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Transcript of Quasar Manual
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1
INSTRUCTION MANUALFOR
QUASARDIGITAL PANEL METER
Class 1.0
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Table of contents
Page No.
Section 1. General Details 3
Section 2. Front Panel Details 3
Section 3. Installation 11
Section 4. Mechanical Dimensions 12
Section 5. Specific Points 12Section 6. Programming the meter 13
Section 7. Warranty & Disclaimer 14
Appendix 1. Technical Specifications 15
Appendix 2. Modbus Details 17
Appendix 3. Memory Map 26Appendix 4. Meter Programming Procedure 32
Appendix 5. Display Screens - 3phase, 3wire. 37
Appendix 6. Display Screens - 3phase, 4wire. 40
Appendix 7. Wiring Diagram 43
Appendix 8. Dimensional Details 47
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1.0 General Details: QUASAR is a 96 x 96 mm, flush mounted,
single screen multiple parameter display digital panel meter for
measuring electrical parameters. The meter is designed with
DSP technology to combine measurements of bothinstantaneous and cumulative values in an electrical feeder.
The device is built with a custom made, backlit, LCD display
to provide high-resolution view of various parameters to the
viewer. The parameters are displayed over all screens which
can be scrolled up & down by front panel push buttons. The
feeder parameters like CT / PT ratings, baud rates, port
address, demand parameters etc. are set by additional pushbuttons (PBs) on the front panel.
2.0 Front Panel Details: Please see fig. 1. The front panel has one
LCD display, 4 PBs and a LED. The functions of the PBs are
explained in the sections 2.3, 2.7 and Appendix 4. The LED
flashes at a rate proportional to the kWh in the feeder.
2.1 Display Features: QUASAR comes with a custom made LCD
display. The power parameters are displayed through all
screens. Please refer Appendix 5& 6 for details of parameters
displayed in each screen. Please also refer to Table-1&2 for a
ready reckoner of screen references.
The following displays appear immediately after power on-
1. all segments check
2. serial no.
3. Version no.Finally it continuously displays the selected power on screen
until keys are pressed.
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2.2 Front panel push buttons: There are four Push buttons (PBs)
on the front panel to do following functions:
a) scrolling thro display
b) min/max/present values selectionc) reset of min/max values
d) front panel programming.
Fig.- 1
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Table-1: 3phase, 3wire
P a r a m e t e rUnit
L1(r-y)
L2(b-y)
Tot/
Avg
Max/m
in
optionVoltage(Line
Voltage)
V 2, 16 2, 17 1
Current A 3, 18 3, 19 1
Active power kW 4 4 10, 1 (onlyfor total)
Reactive power L kVAr L 5 5 10(Lor C) (onlyfor total)
Reactive power C kVArC 5 5 10(Lor C) (onlyfor total)
Apparent power kVA 6 6 10 (onlyfor total)
Power factor PF 7 7 11
Phase angle
(w.r.t. Voltages)
- V 8 8
Phase angle (B/w
Voltages & currents)
- A 9 9
Frequency Hz 11 *
Power demand (max.) Pd 11
Active energy kWh 12
Reactive energy L kVArLh 13
Reactive energy C kVArCh 14
Apparent energy kVAh 15
Voltage Fundamental ~1 16 17
Voltage Distortion ~D 16 17
Current Fundamental ~1 18 19
Current Distortion ~D 18 19
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Table-2: 3phase, 4 wire
Parameter
Unit
P1 P2 P3 Tot/
Avg
Max/m
in
optionVoltage (P-N) V 2, 17 2, 18 2, 19 1
Voltage (P-P) V 3 3 3
Current A 4, 20 4, 21 4, 22 1
Active power kW 5 5 5 11, 1 (onlyfor total)
Reactive power L kVAr
L
6 6 6 11(L orC) (onlyfor total)
Reactive power C kVAr
C
6 6 6 11(L orC) (onlyfor total)
Apparent power kVA 7 7 7 11 (only
for total)Power factor PF 8 8 8 12
Phase angle
(w.r.t. Voltages)
- V 9 9 9
Phase angle
(between voltages
& currents)
- A 10 10 10
Frequency Hz 12 * *
Power demand
(max.)
Pd 12
Active energy kWh 13
Reactive energy L kVArLh 14
Reactive energy C kVArCh 15
Apparent energy kVAh 16
Voltage
Fundamental
~1 17 18 19
Voltage Distortion ~D 17 18 19
Current
Fundamental
~1 20 21 22
Current Distortion ~D 20 21 22
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Notes:
All display screens of 3 parameters each are available. (nos. in
the above Tables indicate the order of the default display
screens).Note: * in above Tables indicates that Freq. of phase 1 is
displayed if phase1 is available, freq. of phase 2 is displayed if
phase1 is not available and phase 2 is available, freq. of phase
3 is displayed if phase1&2 are not available and phase 3 is
available.
The power up screen will be by default- total power (of all
phases), average voltages (of all phases) & average currents (of
all phases). The default power ON screen is programmable. It
will remain in this display until keys are pressed as explained
below.
2.3 Functions of front panel push buttons :
Display scroll PBs5555 & 6666 .
The display scroll PBs are indicated as 5555 & 6666.
All screens of display can be viewed one after the other by
pressing 5 or 6 PBs of front panel. Pressing 5&
6keys simultaneously will take display to auto scroll mode.
The display will scroll through all screens at a fixed rate of 3
secs. In auto scroll mode, pressing 5 or 6key will take
display to manual mode. (No time out for any mode ofdisplay).
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Max / min values selector PB MODE
QUASAR stores max/min values of the feeder (only for
parameters ticked in Table-1&2). The PB designated as
MODE is meant to read these max/min values. Normally
latest updated values will be displayed.By pressing the push button MODE, the display can be
switched to Min., Max. or present values one after the other.
The display will remain in Min & Max modes until the PB is
pressed again. In case there is a maximum timeout of 2 mins,
the display will go back to Present values. Min/Max modes are
not supported in auto scroll mode.
Reset Push button
Resets the max/min values, except power demand & energies.
2.4 Energy & Pulse outputs:
Units and precision of energy will vary with the CT*PT ratios
selected as shown in table below.
CT*PT Display format Unit
< 10 xxxxxx.xx k
< 100 xxxxxxx.x k
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PULSE OUTPUT: kWh pulse output LED is available.
2.5 Resetting (clearing) the stored parameters:Pressing reset key on front panel clears off all the max./min.
values except the following parameters.
a) Power demand max. value can be cleared only in the
programming mode.
b) Energy counters can be cleared only in programming
mode.
2.6 Harmonics for Voltage & Current:
Phase wise voltages/currents are separately available as -
Total
Fundamental (~)
Distortion (D)2.7 Set up & Configuration:
Set up configuration is possible through front panel keys or
RS485 port (optional). Viewing and modifying of setup
through front panel is possible all the time and is password
protected.
Programming mode can be entered from front panel by
pressing simultaneously 5
and Mode keys. Meter restartsafter coming out of programming mode.
Pulses/kWh Voltage/current
2,500 / (external CT*PT) 3ph 4W 415 V (L-L) / 5A
12,500 / (external CT*PT) 3ph 4W 415 V (L-L) / 1A10,000 / (external CT*PT) 3ph 4W/3W 110 V (L-L) / 5A
50,000 / (external CT*PT) 3ph 4W/3W 110 V (L-L) / 1A
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Refer appendix 4 for details of programming through front
panel.
Refer appendix 2&3 for details of programming through
RS485.
Following are the setup (programming) options -
a) CT primary/secondaryChange in CT ratio will automatically change the
resolution of the parameters displayed. Primary and
secondary values can be selected between 1 to 9999.
Default factory settings: 1
b) PT primary/secondary
Change in PT ratio will automatically change the
resolution of the parameters displayed. Primary andsecondary values can be selected between 1 to 9999.
Default factory settings: 1
c) Clear - Clear energy counters
- Clear max. /min. demand
d) Power demand
Mean value of power in specified integration period
- Parameter kW or kVA
Integration period 1,2,3,4,5,6,10,12,15,30,60mins. (not
w.r.t RTC)
Default factory settings: kW & 30mins. Any change in
power demand settings, clears max./min. demand values.
e) Default Power ON screen
The default power ON screen can be selected as one of the
all displays.Default factory settings: Total power, average voltage of
all 3 phases & average current of all 3 phases.
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f) Slave ID setting(Available only for meter with RS485
option)
Unique slave IDs can be set for each meter for monitoring
from a PC. Default factory settings: 1
g) Port properties settings (Available only for meter withRS485 option)Baud rate- 4800 bps or 9600 bps
Parity- Even, odd, none
Default factory settings: 4800 bps, even.h) Password setting (only for front panel programming)
Default password is 0000.
2.8 RS485 COMMUNICATION (optional):
With this option, the meters can be networked and various
parameters can be monitored on a central PC.
All parameters will be available via the RS 485 port.
Set up configuration is also possible through this port.
Protocol: MODBUS in RTU mode.
Refer appendix 3 and appendix 2 for RS485 & MODBUSdetails.
3.0 Installation:
3.1 Incoming Inspection: Before the meter is installed, visual
inspection for any damage due to transport, has to be done. If
there are any damages, please refer the warranty sheet and take
appropriate action.
3.2 Re-Packing: If the meter has to be returned to the supplier, themeter has to be repacked in its original packing.
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3.3 Optimum Field conditions: For the reliability and better life
of product, the unit has to be operated at moderate
temperatures and humidity. The meter is designed to work
from 5 to 60 degrees C and humidity of 95%RH non
condensing.
3.4 Storage: In case of meter not installed after receipt, it has to bestored in a dry place in its original packing material.
3.5 Extra Precautions: Make sure that voltage, current ratings and
the configuration of meter is as per the requirements. Wrong
connection can severely damage the meter, which is not
covered under warranty.
3.6 Wiring connections: Wiring of the meter has to be done as per
wiring diagrams in appendix-7.
4 Mechanical dimensions; As per appendix-8.
4.1 Mounting on the panel: The meter is supplied with clip on
type mounting accessories. After inserting the meter into the
designated cut out on the panel, the clip on clamps have to be
fixed on the back side to hold the meter against the panel
firmly.
5.0 Specific Points: QUASAR uses CT/PT inputs for measuring
and display of electrical parameters. Following points should
be noted :
5.1Power demand calculation:Integration period starts and continues from power on, i.e. if
integration period selected is 30mins. and if 20mins of
integration period is completed and power fails, then in the
next power ON, the power is accumulated for the next 10 minsand then demand is computed.
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5.2 Current reversal conditions:
a) kWh energy is updated as it is with the sign i.e. negative
energies are subtracted & positive energies are added and
stored in a single register (no forward & reverse). The
negative reading is made positive by adding 10^8.
b) For kWh energy, demand is calculated by algebraicallyadding the powers, but if final demand is negative then
display shows 0.0.0.0 just to indicate that something is
wrong.
c) When the meter connections are wrong, it will not show
display parameters properly.
5.3 Unit of Voltage and current when kilo:Unit of voltage: for PT ratio 30 unit is k steady and V
will be blinking, indicating unit is in kilo Volt.
Unit of current: for CT ratio 75 unit is k steady and A
will be blinking, indicating unit is in kilo Amps.
Note: i) For Voltage and current k will not be there in Total
Power, Avg Voltage & current display (Default display no is 1)
ii) Meter is not designed for export mode.
6.0 Programming the meter: Parameters like CT/PT ratios etc
have to be programmed into the meter so that it can read the
feeder data correctly. Please refer Appendix 4 for details of
how to programme the meter.
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7.0 Warranty:
Larsen & Toubro Limited warrants that all the L&T products will
meet L&T's published product specifications, and will be free of
defects in workmanship and materials for a period of 12 months
from the date of invoice from L&T.
L&T's obligation under this warranty shall be limited to servicing orreplacing defective parts subject to the following terms and
conditions provided the notice of defects and satisfactory proof
thereof is given to L&T by its distributor or its customer within the
Warranty period.
1.L&T shall provide repairs and maintenance service for all
equipment sold/or distributed by L&T, and products which cannot
be repaired by L&T will be returned, subject to L&T's prior consentfor free repairs.
2.Defective parts shall be serviced or replaced by L&T on one way
freight paid basis.
This warranty does not cover any defect in the product caused by
accident, misuse, neglect, alteration modification or substitution of
any of the components or parts, or any attempt at internal
adjustment by unauthorized service personnel.
Under no circumstance shall L&T be liable for any consequential or
resulting injury or for loss, damage of expense directly or
indirectly from the use of this product.
The foregoing warranty is in lieu of all other warranties, expressed
or implied, and is the sole and exclusive remedy for any claim
arising from any defect in L&T products.
Disclaimer: Sufficient care is taken to provide all information
regarding the product but L & T does not claim any responsibilityfor the damages caused by using the product directly or indirectly.
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Appendix 1: TECHNICAL SPECIFICATIONS
Accuracy For power Class 1.0
IEC 62052-11,62053-21/ IS 13779
For Voltage 10%
For Current 0.5% of readout 2 digits
Voltage (Vn) 3Ph 4W- 415V AC (-40% to +20%)
3Ph 4W- 110V AC (-40% to +20%)
3Ph 3W- 110V AC (-40% to +20%)
Current (In) 5A or 1A (Imax=2In)
Starting current 0.2%In (Class 1.0)
Frequency 50 Hz +5%
Load characteristics < 8 VA in potential circuit
< 0.5 VA in current circuit
Electromagnetic compatibility:Electrical Fast transient As Per IEC 62052-11,62053-21,
Test Level: 4kV, 5kHz(Refer to
IEC61000-4-4)
Surge immunity As Per IEC 62052-11,62053-21,Test
Level: 4kV(Refer to IEC61000-4-5)
Influence of short time over currents:
20 times Imax for 0.5 sec at rated
frequency. As Per IEC62053-21
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Case material Plastic moulded Protected to
IP51- IEC 62052-11,62053-
21/IS 13779 (Class 1.0)(with
panel)
Insulation properties:
Insulation resistance As per IEC62052-11,62053-21/IS13779 (Class 1.0)
AC Voltage Test 2kV AC RMS, 50Hz for
1 minute as per IEC62052-11
Impulse voltage 6kV, 1.2/50sec, as per
IEC62052-11
Voltage Dips and Interrupts As per IEC61000-4-11
Display Backlit LCD, 10mm height
digits
Pulse output
Pulses/kWh Voltage/current
2,500 / (external CT*PT) 3ph 4W 415 V (L-L) / 5A
12,500 / (external CT*PT) 3ph 4W 415 V (L-L) / 1A10,000 / (external CT*PT) 3ph 4W/3W 110 V (L-L) / 5A
50,000 / (external CT*PT) 3ph 4W/3W 110 V (L-L) / 1A
Temperature -100c to 600c for operation
-200c to 700c for storageHumidity 95% RH non condensing
Dimension 96 x 96 mm - depth 105 mmWeight < 600gms
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Appendix 2: MODBUS DETAILS
1. Details of communication interface:
RS485 interface is available to communicate with the meter.
The interface is available at the terminals. For connection
details refer Appendix 7.
1.1 Interface Standard:
The configuration details to communicate with the meter are
given below-
Standard RS485 (half duplex)
Baud rate Selectable- 9600, 4800 bpsParity Selectable- None, odd or even
Start bit 1 Stop bit 1
1.2 Protocol:
The RS485 interface uses MODBUS Protocol inRTU mode.
Communicating with the meter involves sending commands to
the meter for reading and writing the particular register. Themeter can be addressed with specific user defined meter
address (slave ID) from 1-255.
2 Details of MODBUS protocol:
In the explanation of protocol the examples used are specific to
L&T meters. The details of the protocol are also limited to
L&T meters.
2.1 Remote Terminal unit Framing:
In RTU mode data is sent as 8-bit binary characters. In RTU
mode, message characters must be transmitted in a continuous
mode.
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The receiving device monitors the elapsed time between
receipt of characters i.e. inter byte delay. Ifinter byte delay is
three and one half the character time (for e.g. at 9600bps,
the max. inter byte delay expected will be 1ms*3.5), the
receiving device can timeout.
The max. response time of the meter to a command, i.e. thetime taken to send the first byte out in response to the
command is max. 60ms.
ADDRESS FUNCTION DATA CHECK
8 BITS 8 BITS N * 8 BITS 16 BITS
2.2 Address field:
The meter can be addressed with specific user defined address
from 1-255. Each slave must be assigned a unique address and
only the addressed slave responds to query that contains its
address. When the slave sends a response the slave address
informs the master which slave is communicating.
In broadcast message, an address of 0(zero) is used. All slavesinterpret this as an instruction to read and take action on the
message, but do not issue a response message.
2.3 Function field:
The function code field tells the addressed slave what function
is to be performed. The higher order bit in this field is set by
the slave device to indicate that other than a normal response is
being transmitted to the master device (See Section 3 forexception response). The following functions have been
implemented in the meter.
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2.4 Data Field:
The data field contains the information needed by the slave to
perform the specific function or it contains data collected by
the slave in response to a query.
2.5 Error Check Field: This allows the master and slave device to
check a message for error transmission.The error check field uses a CRC-16 check in the RTU mode.
3. Exception responses:
Exception response is a notification of an error. The exception
response codes are listed in the table 3-1.When a slave detects
one of these errors, it sends a response to the master consisting
of slave address, function code, error code and error check
field. To indicate that the response is a notification of an error,
the high order bit of the function code is set to 1.
CODE MEANING ACTION
03 Read holding
registers
Obtains current binary value in one
or more holding registers.
04 Reading Input
registers
Obtains current binary value in one
or more Input registers.06 Preset single
register
Place a specific binary value
into a holding register.
16 Preset multiple
registers
Places specific binary values into a
series of consecutive holding registers.
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Table 3-1
CODE NAME MEANING
01 ILLEGAL
FUNCTION
The message function received is
not an allowable action for slave.
02 ILLEGAL
DATA
ADDRESS
The address referenced in the data
field is not an allowable address
for the addressed slave location.
03 ILLEGAL
DATA VALUE
The value referenced in the data
field is not allowable in the
addressed slave location.
Example: Query Message
The query requests the status of input 0036 in slave no.10.
Since the function is an invalid function for the L&T meters so
the following error response will be generated.Response Message
The function code field is the original function code with thehigh order bit set and exception code 01 indicates an illegal
function field.
SLAV
E
ADDR
FNC H.O
START
ADDR
L.O.
START
ADDR
H.O
NO.
OF REG
L.O NO.
OF
REG
ERROR
CHECK
FIELD
ERROR
CHEC
FIELD
0A 01 00 24 00 02 FC BB
SLAVE
ADDR
FUN
C
EXCEPTIO
N CODE
ERROR
CHECK
ERROR
CHECK
0A 81 01 F0 52
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4. Explanation of various function:
The purpose of this section is to define the general format for
the specific command available to programmers. The form of
each query message (in RTU transmission mode) and an
explanation of the function the query message performs areprovided.
All numbers in Modbus format are entered in hexadecimal.
4.1 Read Output Register (Function Code 03) Query:
Read output Register (03) allows the user to obtain the binary
contents of holding register in the addressed slave. The
addressing allows up to Max.90 registers to be obtained at eachrequest.
Broadcast mode is not allowed. The below example reads
registers of 1st phase voltage from slave number 17(decimal).
Since 1st phase voltage is stored in the address 0000 and 0001
so to read phase voltage both addresses should be read
simultaneously.
Example:
Query MessageSLAV
E
ADDR
FNC H.O
START
ADDR
L.O.
START
ADDR
H.O
NO
OF
REG
L.O
NO.
OF
REG
ERROR
CHECK
FIELD
ERROR
CHECK
FIELD
11 03 00 00 00 02 C6 9B
NOTE: If a particular parameter is stored in more than one
address location. Then for reading that particular parameter allthe address locations should be read simultaneously. Otherwise
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meter will not respond or the response will not be the correct
value.
For further details see memory map of parameters.
Response:
The addressed slave will respond with its address and the
function code, followed by the information field. Theinformation field contains 1 byte describing the quantity of
data bytes to be returned. The contents of register requested
(DATA) are two bytes each. The first byte includes the higher
order bits and the second byte includes lower order bits.
Response MessageSLA
VE
ADD
R
FNC BTE
COU
NT
DATA
O/P
REG
H.O.
0000
DATA
O/P
REG
L.O.
0000
DATA
O/P
REG
H.O.
0001
DAT
A
O/P
REG
L.O.
0001
ERR.
CHE.
FLD
ERR.
CHK
FLD
11 03 04 00 00 5D E6 52 E8
In this particular example the data obtained for 1st phase
voltage is0x00005DE6 which if converted into integer will be 24038.So
to get the voltage of the phase this particular value should be
multiplied with the specified multiplication factor (MF) which
is 0.01 in this case. (For further details see the memory map of
the parameters). So 24038 x 0.01=240.38 which is the phase
voltage.
4.2 Preset Single Register (Function Code 06):
CAUTION:
Function (06) will overwrite controller memory.
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Function (06) allows the user to modify the contents of a
holding register. The contents of only those holding registers
can be modified which are write only. The values are provided
in binary, up to the maximum capacity of the controller (16-
Bits in L&T meters) and unused higher bits must be set to zero.When used with slave address zero (Broadcast mode), all slave
controllers will load the specified registers with the content
specified.
Example:
This example will set the CT primary value in slave number
17.The address of CT primary is 2048 and value to be
programmed is 1000.Query MessageSLAV
E
ADDR
FNC H.O
START
ADDR
L.O.
START
ADDR
DATA
VAL.
H.O
DAT
A
VAL.
L.O
ERR.
CHK
FLD
ERR.
CHK
FLD
11 06 08 00 03 E8 89 84
The normal response to a preset single register request is to
transmit the query message after the register has been altered.Response Message
SLAV
E
ADDR
FNC H.O
START
ADDR
L.O.
START
ADDR
DATA
VALUE
H.O
DATA
VALUE
L.O
ERR.
CHK
FLD
ERROR
CHECK
FIELD
11 06 08 00 03 E8 89 84
If the value is an illegal value then the response message will
be an exception response (Error message).
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For the details of max and min. values of any parameter, please
refer to manual.NOTE: For programming RTC the values the data for setting
the RTC should be BCD (Binary Coded Decimal).Example:
For setting date 29 and day 5 at location 257 the query message
will be as follows
Query Message
4.3 Preset Multiple Registers(Function Code 16):
CAUTION:
Function (16) will overwrite controller memory.
Function (16) allows the user to modify the contents of holdingregisters.
The contents of only those holding registers can be modified
which are writeable only. The values are provided in binary up
to the maximum capacity of the controller (16-Bits in L&T
meters), unused higher bits must be set to zero.
Maximum of 10 registers can be programmed by this function.
When used with slave address zero (Broadcast mode) all slave
controllers will load the specified registers with the contents
specified.
SLAVE
ADDR
FNC H.O
START
ADDR
L.O.
START
ADDR
DATA
VALUE
H.O
DATA
VALUE
L.O
ERR.
CHK
FLD
ERR.
CHK
FLD
11 06 01 01 29 05 04 F5
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Example:
This example will set the CT primary and CT secondary value
in slave number 17.The address of CT primary is 2048,CTsecondary is 2049 and value to be programmed for CT primary
and secondary are 1000 and 100 respectively.
Query MessageA
D
D
R
F
U
N
C
H.
O.
A
DD
L.
O.
A
DD
Q
T
Y.
H.O
Q
T
Y.
L.O
B
Y
T
SN
T
H.
O
D
AT
L.
O
D
AT
H.
O
D
AT
L.
O
D
AT
E
R
R
FL
D
E
R
R
FL
D
1
1
1
0
0
8
0
0
0
0
0
2
0
4
0
3
E
8
0
0
6
4
4
1
3
4
The normal response to a preset multiple register request is to
echo the address function code, starting address and number of
registers to be loaded.
Response message
SLA
VE
ADD
R
FNC H.O
START
ADDR
L.O.
START
ADDR
QTY
H.O
QTY
L.O
ERR.
CHK
FLD
ERR.
CHK
FIEL
D
11 10 08 00 00 02 41 38
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Appendix 3: MEMORY MAPRead only Parameters (Function Code 4):
Memory map (Address list)
Address Parameters Words MF
(If no specific format is
mentioned, format is HEX)
READ ONLY PARAMETERS
Instantaneous Parameters
30,001 Phase 1 Voltage 2 0.01
30,003 Phase 2 Voltage 2 0.01
30,005 Phase 3 Voltage * 2 0.01
30,007 Phase 1 Current 2 0.001
30,009 Phase 2 Current 2 0.001
30,011 Phase 3 Current * 2 0.001
30,013 Phase 1 Active Power 2 0.0001
30,015 Phase 2 Active Power 2 0.000130,017 Phase 3 Active Power * 2 0.0001
30,019 Phase 1 Reactive Power 2 0.0001
30,021 Phase 2 Reactive Power 2 0.0001
30,023 Phase 3 Reactive Power * 2 0.0001
30,025 Phase 1 Apparent Power 2 0.0001
30,027 Phase 2 Apparent Power 2 0.000130,029 Phase 3 Apparent Power * 2 0.0001
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30,031 Phase 1 Power Factor 2 0.001
30,033 Phase 2 Power Factor 2 0.001
30,035 Phase 3 Power Factor * 2 0.001
30,037 Total Active Power 2 0.0001
30,039 Total Reactive Power 2 0.0001
30,041 Total Apparent Power 2 0.0001
30,043 Total Power Factor 2 0.001
Format: for above addresses 30,013 to 30,043
1st word (MSW) 0x0000 if value positive
0xFFFF if value negative
2nd
word value itself, if positive as indicated by 1st
word2s complement of value, if negative as indicated by 1st
word
30,045 Line Frequency 2 0.01
30,047 Reserved 2
30,049 Phase 1 Voltage Angle 2 0.1
30,051 Phase 2 Voltage Angle 2 0.1
30,053 Phase 3 Voltage Angle * 2 0.1
30,055 Phase 1 Phase Angle 2 0.1
30,057 Phase 2 Phase Angle 2 0.1
30,059 Phase 3 Phase Angle * 2 0.1
30,061 Phase 1 Voltage Fundamental 2 0.01
30,063 Phase 2 Voltage Fundamental 2 0.0130,065 Phase 3 Voltage Fundamental * 2 0.01
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30,067 Phase 1 Voltage Distortion 2 0.01
30,069 Phase 2 Voltage Distortion 2 0.01
30,071 Phase 3 Voltage Distortion * 2 0.01
30,073 Phase 1 Current Fundamental 2 0.0001
30,075 Phase 2 Current Fundamental 2 0.0001
30,077 Phase 3 Current Fundamental * 2 0.0001
30,079 Phase 1 Current Distortion. 2 0.0001
30,081 Phase 2 Current Distortion 2 0.0001
30,083 Phase 3 Current Distortion * 2 0.0001
30,085 Average Voltage 2 0.01
30,087 Average Current 2 0.001
30091 Vry* 2 0.01
30093 Vyb* 2 0.01
30095 Vbr* 2 0.01
Minimum / Maximum of Instantaneous Parameters
30,129 Minimum Phase 1 Voltage 2 0.0130,131 Minimum Phase 2 Voltage 2 0.01
30,133 Minimum Phase 3 Voltage * 2 0.01
30,135 Maximum Phase 1 Voltage 2 0.01
30,137 Maximum Phase 2 Voltage 2 0.01
30,139 Maximum Phase 3 Voltage * 2 0.01
30,141 Minimum Phase 1 Current 2 0.00130,143 Minimum Phase 2 Current 2 0.001
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30,145 Minimum Phase 3 Current * 2 0.001
30,147 Maximum Phase 1 Current 2 0.001
30,149 Maximum Phase 2 Current 2 0.001
30,151 Maximum Phase 3 Current * 2 0.001
30,153 Minimum Phase 1 Power Factor 2 0.001
30,155 Minimum Phase 2 Power Factor 2 0.001
30,157 Minimum Phase 3 power Factor * 2 0.001
30,159 Maximum Phase 1 Power Factor 2 0.001
30,161 Maximum Phase 2 power Factor 2 0.001
30,163 Maximum Phase 3 Power Factor * 2 0.001
30,165 Minimum Average Voltage 2 0.01
30,167 Maximum Average Voltage 2 0.01
30,169 Minimum Average Current 2 0.001
30,171 Maximum Average Current 2 0.001
30,173 Minimum Average Power Factor 2 0.001
30,175 Maximum Average Power Factor 2 0.00130,177 Minimum Frequency 2 0.001
30,179 Maximum Frequency 2 0.001
30,181 Minimum Total Active power 2 0.0001
30,183 Maximum Total Active power 2 0.0001
30,185 Minimum Total Reactive power 2 0.0001
30,187 Maximum Total Reactive power 2 0.000130,189 Minimum Total Apparent Power 2 0.0001
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30,191 Maximum Total Apparent Power 2 0.0001
30,193 Minimum Power Demand 2 0.0001
30,195 Maximum Power Demand 2 0.0001
Read Only Parameters (Function Code 4):
Cumulative energies since installation
independent of Tariffs.
30,513 Cumulative energy - forward kVAh 2 0.01
30,515 Cumulative energy - forward kWh 2 0.01
30,517 Cumulative energy - forward kVArh lag 2 0.01
30,519 Cumulative energy - forward kVArh lead 2 0.01
Read Only Parameters (Function Code 4):
31,281 Power Demand 2 0.01
Read Write Parameters(Supported by function code 6 and 16 for Writing and by function code
3 for Reading.)Communication Parameters
42,385 Meter Address 1 1
42,386 Baud Rate 1 1Format: For read 1 -> 4800 2 -> 9600
For write 5 -> 4800 6 -> 9600
42,387 Parity 1 1
Format: 0 -> None Parity 1 -> Odd Parity 2 -> Even Parity
CT PT ratio settings (1 to 9999 max)
42,049 CT Primary 1 1
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42,050 CT Secondary 1 1
42,051 PT Primary 1 1
42,052 PT Secondary 1 1
(max. CTpri/Ctsec)*(PTpri/Ptsec)
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Appendix 4: METER PROGRAMMING PROCEDUREProgramming of various parameters in Quasar is done by
selecting the appropriate screen and changing the parameters.
Following sections explain the setting procedure.
1.0 Entering into programming mode:Press both Mode & up buttons together.
Screen will appear as shown. First digit will
flash. You have to set password.
1.1 Entering the pass word:
Let us say password is 1234. Press up button to change the
value of the flashing digit. Press Rst button to shift to nextdigit. Press up button to change its value. Set 1234 in all
digits. Press mode. Meter will display PASS ACCEPtEd
momentarily and go to a new screen CtPt rAt.
2.0 Selecting the parameters to be set:
Once the meter is at above screen, the user can select a screen
to set any of the following parametersCtPt rAt
Change ratios of CTs and PTsCLr dAtA Reset the MD value and cumulative energy
values.
SEt nd You can set the integration time and choose either
KW or
KVA for integration.
SEt Id set the node address of meter
SEt Port set the baud rate for communication
SEt dISP set the default display screenSEt PASS set the password
Press Up button to choose any of the above screens.
ProgPASS 0000
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3.0 Setting CT/PT Ratio:
Reach the screen CtPt rAt as explained
above. Press Mode, display shows existing
CT primary rating. Press mode key First
digit will flash. Change the value by usingup and Rst buttons. Say you have set CT
primary as 0200.After setting the required
value press mode. Meter will display L uP
dAtE. Press mode again meter will display
ACCEPtEd briefly and return to display as
shown. Press up button to go to Ct SECy.
Press Mode, display shows existing CT
secondary rating. First digit will flash,
change the value by up and Rst buttons.
Say you have set CT secondary as 0001.
After setting the required value press mode
meter will display L uP dAtE. Press mode
again meter will display ACCEPtEd briefly
and return to display as shown. Press up
button to go to Pt Prny.
Set the ratings of PT primary and secondary in the same
manner as explained above. After finishing with PT
Secondary, press down button. Meter will display ESCAPE
and return to CtPt rAt. Press up button to go to next screen
CLr dAtA.
0100Ct Prny
0200Ct Prny
0001Ct SECy
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4.0 Clearing the existing data:
After reaching the screen CLr dAtA, press mode, display
will change to CLr dnd. Press mode, display will be L uP
dAtE. Press mode again display will be ACCEPtEd
followed by CLr dnd.Press up button. Display will change to CLr Egy. Press
mode, display will be L uP dAtE. Press mode again display
will be ACCEPtEd followed by CLr Egy. Press Down
button, display will show ESCAPE followed by CLr dAtA.
Press up button, display will enter next screen SEt nd.
5.0 Setting the Demand parameters:After reaching the screen SEt nd, press
mode, display will show existing value for
md integration time. The value will be
flashing. By pressing up button change the
value to required setting. Press Mode,
display will show L uP dAtE. Press mode
again display will show ACCEPtEd
followed by the up dated screen.
Press up button, display will show nd kW. Press mode. kW
will flash. By using up button choose kW or kVA. Press
mode, display will show L uP dAtE. Press mode again
display will show ACCEPtEd followed by nd kW. Press
down button to ESCAPE followed by SEt nd. Press up
button to go to next screen SEt Id.
Note: Configuration of kVA demand is LEAD treated asUPF.
30nd Intg
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6.0 Setting the node address for meter:
After reaching the screen SEt Id, press
mode, display will show existing value for
Meter Id. The value will be flashing. By
pressing up button change the value torequired setting and use Rst button to go
next digit.
Press Mode, display will show L uP dAtE.
Press mode again display will show ACCEPtEd followed by
SEt Id screen. Press up button to go to the next screen SEt
Port.
7.0 Setting the port characteristics:After reaching the screen SEt Port, press
mode, display will show existing value for
baud rate. Press mode again value will be
flashing. By pressing up button change the
value to required setting. Press Mode
display will show L uP dAtE. Press mode
again display will show ACCEPtEd
followed by up dated screen.
Press up button, display will change to parity
setting screen as shown. Press mode,
parameter EuEn will flash. Using up button
choose EuEn or odd or nonE parity.
Press mode, display will change to L uP date. Press mode
again display will show ACCEPtEd followed by updatedscreen. Press down button display will show ESCAPE
001nEtEr Id
9600bAud rAtE
EuEnPArIty
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followed by SEt Port. Press up button to go to next screenSEt dISP.
8.0 Setting the default display:
After reaching the screen SEt dISP, pressmode, display will show existing default
screen number. Press mode, number will be
flashing. By using up button change screen
number, which will become default screen.
Press mode, display will show L uP dAtE.
Press mode again display will show
ACCEPtEd followed by up dated screen.Press up button to go to the next screen SEt PASS.
Note: Position 00 means screen NO 1,01 means screen NO 2
and so on.
9.0 Setting the pass word:
After reaching the screen SEt PASS, press
mode, display will show default password
screen as shown. The zero will be flashing. By
using up button, change the number into
required new password.
Press mode, display will show L uP dAtE. Press mode
again display will show ACCEPtEd followed by SEt PASS
screen. Press up button to go to the next screen CtPt rAt.
Press down button to ESCAPE. Meter will show rEStArt
and then return to normal display mode.
00Position
0000PASS ord
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Appendix 5: DISPLAY SCREENS -3PH, 3WIREScreen 1
Total Power, Ave. Volts & Amps
Screen 2
Line Voltages
Screen 3
Currents
Screen 4
Inst. Active Power
Screen 5
Inst. Reactive Power
Screen 6
Inst. Apparent Power
Screen 7
Inst. Power Factor Power
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Screen 8
Voltage angles
Screen 9
Phase angles
Screen 10
Total Active, Reactive &
Apparent Power
Screen 11
Power demand, Total PF &
Frequency
Screen 12Cum. Active Energy
Screen 13Cum. Inductive Energy
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Screen 14Cum. Capacitive Energy Screen 15Cum. Apparent Energy
Screen 16
Ph 1 - Total, Fundamental &
Distortion Voltages
Screen 17
Ph 2 - Total, Fundamental &
Distortion Voltages
Screen 18
Ph1 - Total, Fundamental &
Distortion Currents
Screen 19
Ph2 - Total, Fundamental &
Distortion Currents
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Appendix 6: DISPLAY SCREENS-3PHASE, 4WIRE
Screen 1
Total Power Ave. Volts & Am
Screen 2
3Ph. Voltages
Screen 4
3Ph. Currents
Screen 5
Inst. 3Ph. Active Power
Screen 6
Inst. 3Ph. Reactive Power
Screen 7
Inst. 3Ph. Apparent Power
Screen 3
Phase to phase voltages
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Screen 8
Inst. 3Ph. Power Factor
Screen 9
Voltage angles
Screen 10
Phase angles
Screen 11
Total Active, Reactive &
Apparent Power
Screen 12
Power demand, Total PF &
Frequency
Screen 13
Cum. Active Energy
Screen 14
Cum. Inductive Energy
Screen 15
Cum. Capacitive Energy
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Screen 16
Cum. Apparent Energy
Screen 17
Ph 1 - Total, Fundamental &
Distortion Voltages
Screen 18
Ph 2 - Total, Fundamental &
Distortion Voltages
Screen 19
Ph 3 - Total, Fundamental &
Distortion Voltages
Screen 20
Ph1 - Total, Fundamental &
Distortion Currents
Screen 21
Ph2 - Total, Fundamental &
Distortion Currents
Screen 22
Ph3 - Total, Fundamental &
Distortion Currents
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Appendix 7
Wiring Diagram - 3 Ph. 4 Wire with CT & PT
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Wiring Diagram - 3 Ph. 4 Wire with CT & without PT
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Wiring Diagram - 3 Ph. 3 Wire with CT & PT
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Wiring Diagram - 3 Ph.3 Wire with CT & without PT
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Appendix 8: DIMENSIONAL DETAILS
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Manufactured byLARSEN & TOUBRO LIMITED,KIADB INDUSTRIAL AREA,HEBBAL, HOOTAGALLI,MYSORE 570 018.Visit us www.lntebg.com
www.larsentoubro.com
Part No. 4D060100 Rev. 8