Digital Panel Meter
Dual Source Energy Meter
4040 LED Series
INSTRUCTION MANUAL
4.Technical Specification
3 Phase 4 Wire, 3 Phase 3 Wire, 1 Phase
Class 1 as per IEC 62053-21
Class 0.5 as per IEC 62053-22
4 digit for instantaneous and 6 digits for cumulative
True RMS, 64 samples per cycle1 sec update time
TypeType of measurement
Measurement Accuracy
Display type and resolution LED
Input voltage
Input current
Frequency
Aux voltage
Aux burden
Freq range
Test of power consumption
Voltage dips and interrupts
Short time over current protection
Fast transients burst test
Surge immunity test
Rated power frequency magnetic fields
Emission
Radiated, radio-frequency,electromagnetic field immunity testImmunity to electromagneticHF fields through conducted lines
Immunity to electrostatic discharge
Measuringcircuit
Auxiliarycircuit
Electricalrequirements
Electro-Magnetic
Compatibility(EMC)
1.FeaturesAccuracy class 1 as per IEC 6 , class 0.5 as per IEC 62053-22· 2053-21True RMS measurement·
Separate registers for EB and DG energy and load hours·
Automatic switching of display based on input source as EB or DG through DG sensing input·
Autoscrolling & freeze mode provision is available·
Positive accumulation of active energy / reverse lock programmable·
Old registers to store the previously cleared energy values·
User programmable password protection·
Auto-scaling of Kilo, Mega, Giga values·
LED pulse output available·
Site selectable for 3 Phase 4 Wire, 3 Phase 3 Wire, 1 Phase·
Optional RS485 port communication·
3. LED Indication2. Dual Energy Registers· Two separate energy registers are provided,
one for EB (Electricity Board supply) andanother for DG (Generator Supply)
· Normally meter accumulates energy in EBregister
· Whenever the DG sensing signal (230 V AC)is present, meter accumulates energy in DGregisterSeparate LED indication is provided on the·
LED meter front panel, which glows when DGsensing signal is present DUAL SOURCE METER
WL 4040
PRG
M
K
-
Pulse ON
Mega ON
Kilo ON}41 5.0 P.P
EB DG
BothON
Giga
CommunicationON
Electricityboard supply
Generatorsupply
50 - 550 VLL
Burden : 0.2VA max per phase
-/5A and -/1A site selectableCurrent range from 10% to 120% of In (50mA-6A),Starting current : 0.4% of full scale
PT Primary and Secondary user programmablefor LT and HT applications
CT Primary and Secondary user programmablefor LT and HT applications
40 - 70 Hz
80 - 300V AC/DC
<5VA
40 - 70 Hz
as per IEC 62053-21
as per IEC 62053-21
10A max continuous, 20 times of In for 3 sec
±4 kV as per IEC 61000-4-4
±6 kV as per IEC 61000-4-5
1 A/m as per IEC 61000-4-8
Class B as per CISPR 22
10 V/m as per 61000-4-3
10 V/m as per IEC 61000-4-6
±8 kV air discharge, ±6 kV contact dischargeas per IEC 61000-4-2
DG sensing input: 230VAC
Lag (ON)
Impulse voltage test
AC voltage test
Insulation resistance
Operating temperature
Storage temperature
Humidity
Recommended wire
Shock
Vibration
Casing
Measurement category
Pollution degree
Protection
Product weight
Bezel dimension (W x H x D)
Panel cutout
Type
Baud rate
Parity
Slave id
Isolation
Insulationproperties
Operatingconditions
Safety
Mechanicalconditions
Weight &dimensions
Outputs
Certifications
Communi-cation
±6 kV as per IEC 62052-11
4 kV double insulation as per IEC 62053-21
500 V DC as per IS 13779
-10 C to +55 CO O
-25 C to +70 CO O
5% to 95% relative humidity non-condensing
2.5 sq mm
As per standard IEC 60068-2
10 to 55 Hz, 0.15 mm amplitude
Plastic mould protected to IP51 from front side
CAT III
2
I 20 I 51P Pat terminals at, on front
300 gms
96 x 96 x 58 mm
92 x 92 mm
Meter constant : 1250/external CT ratio xPT ratio
RS485 port Modbus RTU
2400, 4800, 9600, 19200 bps (site selectable)
Odd, Even, None
1 to 247 (programmable)
2 kVAC isolation for 1 min between communication & other circuits
CE, RoHS
+0.8- 0.0
To select the valueor accept the valuein programmingmode
To edit thevalue/Parameterin programmingmode
During normal operation of this instrument ,hazardousvoltages are present at the rear terminals, which can causeinjury or death. Installation ,disconnection or removal of themeter should be carried out only by qualified, trainedpersonnel, after de-energizing connected circuits. Improperinstallation , including improper grounding will void warranty.Product warranty void if seal is broken.
Manufacturer assumes no responsibility for a hazard ordamage caused by incorrect or non-application of any of theinstructions attached herein. Under no circumstance shallLarsen & Toubro be liable for any consequential or resultinginjury or for loss, damage or expense directly or indirectly fromthe use of this product. Sufficient care is taken to provide allinformation regarding the product but Larsen & Toubro doesnot claim any responsibility for the damage caused by using theproduct directly or indirectly. Use according to the operatinginstructions, professional practices, wiring rules, codes, safetyregulations applicable to the given installation.
8. Mounting Dimensions
6. Memory Map
float
float
float
float
float
float
float
40101
40103
40105
40107
40117
40119
40121
DataType
Watts Total
Watts R phase
Watts Y phase
Watts B phase
PF Avg (inst)
PF R phase
PF Y phase
ParameterAddress
float
float
float
float
float
float
float
40123
40125
40127
40129
40131
40133
40135
DataType
PF B phase
VA total
VA R phase
VA Y phase
VA B phase
VLL average
VR Y phase
ParameterAddress
float
float
float
float
float
float
float
40137
40139
40141
40143
40145
40147
40149
DataType
phaseVY B
VB R phase
VL N average
V R phase
V Y phase
V B phase
Current total
ParameterAddress
float
float
float
float
float
float
float
40151
40153
40155
40157
40159
40161
40167
DataType
Current R phase
Current Y phase
Current B phase
Frequency
Wh EB
VAh EB
Wh DG
ParameterAddress
float
Unsigned long
Unsigned long
40169
40217
40219
Data Type
VAh DG
Load Hours EB
Load Hours DG
ParameterAddress
7. Wiring Diagram
3 Phase 4 Wire System Single Phase System
AMF IP240V AC
Load Line
Received (Import) Delivered (Export)
230 V AC fromAMF Panel
3 Phase 3 Wire System
Load Line
Received (Import) Delivered (Export)
AMF IP240V AC
AMF IP240V AC
Load Line
Received (Import) Delivered (Export)
5.4. Enabling and Disabling Auto ScrollingPress DOWN for 6 secsDisplay Shows: EnbL. Au.Again press DOWN for 6 secDisplay Shows: dSbL. Au.
5. Programming Mode5.1 Programming keys
To select Edit Mode and save parameter
DOWN to decrement value or parameter
5.2 General Programming Guide·�Press UP + Down to enter Programming Mode
Enter Password (default value 0000)·�
Blink indicates Edit Mode is ON·�
Press DOWN to decrement value·�
0/9/8/7/6/5/4/3/2/1·�Press UP to move to the next digit till 4th digit
If Password is correct, meter display readsFor Clear Mode move to step 5.2.1For Programming Mode move to step 5.2.2
5.2.1.Clear Mode·�Press UP to Enter Clear Mode Display reads “ ”
·�Press UP to clear parameter. Display prompts “ ”
·�Press DOWN to change for “ ” (yes) to clear valuesy
·�Press UP to clear
If password is incorrect, meter will display nextparameter but cannot be edited.
5.2.2. Programming ModePress to enter Programming Mode·� DOWN
·�Press UP key to select the Edit Modeindicates Edit Mode is� � ONBlink
Press DOWN to decrement values or·�
to select from available optionsPress UP to accept the value of the parameter·�
Press DOWN to edit next parameters till end·�
after the configuration of last parameter displayscreen will prompt “ ”, Display reads “ ” (YES)SAVE Y
Press to change to “ ” (NO)·� DOWNPress UP to save·�
CUSTOMER INTERACTION CENTRE ( )CIC
TOLL-Free: 1800 233 5858, 1800 200 5858
Telephone : 022 6774 5858
email: [email protected]
In case of complaint please contact
Electrical Standard Products
L&T Business Park, Tower 'B' / 3rd Floor
Saki Vihar Road, Powai Mumbai 400 072
Website: www.Lntebg.com
L&T Electrical & Automation
Option/Range
3P 4W3P 3W1 Phase
3P 4W
415
100V-999kvTo set 33kV Set first four digits(3300) as explained above pressUP/DOWN key to place decimal pointat appropriate location.Letter K/M will indicate the Kilo/Mega.M & K both LED will glow for Giga
41 5.0 P.P
5.3. Display
Default
First four digit : Parameter value5th & 6th digit : Parameter to edit
ProgrammingParameter
ConFIG(Defines thepower systemconfiguration.)
PT Primary415.0p.p
415.0
5.000
5.000
50V to 550V
0.5A - 99kA
0.5A - 6A
NoYes/NoIf YES it blocks energy accumulation incase the CT polarity reverse.
VECH Method of VA Selection:Arithmetic /Vector harmonics /Vector
PT Secondary
CT Primary
CT Secondary
Reverse lock
VA Selection
415.0p.s
5.000c.p
5.000c.s
UEC.HUA.
WL
40
40
50
1A
Steps for MountingInsert meter to panelwithout clamps
Insert both clamps
1
2
3
4mm
54mm
12
3
disable
1000
3.000
*Threshold value 1
*Digital output 1
*Digital Output Delay
000-999.9 M
1-180 sec
disable / Wh.dG / Wh.Eb
1.000
9600
Even
2400, 4800, 9600 19.2k
Even/Odd/none
1 to 247
Baud rate
Parity
Slave Id 1.000SL.
0000
Resolution
Wh
0000 to 9999
Resolution/Counter
Wh/VAh
PASSWORD
Energy
Energy Selection
0000
* Optional for select product variants
230 V AC fromAMF Panel
230 V AC fromAMF Panel
90 + .2 0- 0.0
90 + .2 0- 0.0
Digital Panel Meter
Dual Source Energy Meter
4040 LCD Type
INSTRUCTION MANUAL
4.Technical Specification
3 Ph 4 W, 3 Ph 3 W, 1 Ph
Class 1 as per IEC 62053-21
Class 0.5 as per IEC 62053-22
4 digit for instantaneous and 7 digits for cumulative
True RMS, 64 samples per cycle1 sec update time
TypeType of measurement
Measurement Accuracy
Display type and resolution LCD
1. Features· Accuracy class 1 as per IEC 62053-21, class 0.5 as per IEC 62053-22· True RMS measurement· Separate registers for EB and DG energy and load hours· Automatic switching of display based on input source as EB or DG through DG sensing input· Load hours and ON hours for both sources· Positive accumulation of active energy / reverse lock programmable· Old registers to store the previously cleared energy values· User programmable password protection· Auto-scaling of Kilo, Mega, Giga values· LED pulse output available· Field programmable 3Phase 4Wire, 3Phase 3Wire Single phase configuration· Optional RS485 port communication
3. LED Indication2. Dual Energy Registers· Two separate energy registers are provided, one for EB (Electricity Board supply) and another for DG (Generator Supply) · Normally meter accumulates energy in EB register· Whenever the DG sensing signal (230 V AC) is present, meter accumulates energy in DG register· LCD meter indicates automatically the source of energy
Pulse ONCommunication
ON
DUAL SOURCE METER
WC 4040
PRG
To select the value or accept the valuein programming mode
To edit the value/Parameter in programming mode
Input voltage
Input current
Frequency
Aux voltage
Aux burden
Freq range
Test of power consumption
Voltage dips and interrupts
Short time over current protection
Fast transients burst test
Radiated, radio-frequency, electromagnetic field immunity test
Immunity to electromagnetic HF fields through conducted lines
Immunity to electrostatic discharge
Measuring circuit
Auxiliary circuit
Electrical requirements
Electro-Magnetic
Compatibility (EMC)
Surge immunity test
Rated power frequency magnetic fields
Emission
±8 kV air discharge, ±6 kV contact discharge as per IEC 61000-4-2
50 - 520 VLL
Burden : 0.2VA max per phase
-/5A and -/1A site selectableCurrent range from 50mA - 5A with overload capacity upto 120% In (i.e., 6A)
PT Primary and Secondary user programmable for LT and HT applications
CT Primary and Secondary user programmable for LT and HT applications
40 - 70 Hz
80 - 300V AC/DC
<5VA
40 - 70 Hz
as per IEC 62053-21
as per IEC 62053-21
10A max continuous, 20 times of In for 3 sec
±4 kV as per IEC 61000-4-4
10 V/m as per 61000-4-3
10 V/m as per IEC 61000-4-6
DG sensing input: 230VAC
±6 kV as per IEC 61000-4-5
1 A/m as per IEC 61000-4-8
Class B as per CISPR 22
Impulse voltage test
AC voltage test
Insulation resistance
Operating temperature
Storage temperature
Humidity
Recommended wire
Shock
Vibration
Casing
Measurement category
Pollution degree
Protection
Product weight
Bezel dimension (W x H x D)
Panel cutout
Type
Baud rate
Parity
Slave id
Isolation
Insulation properties
Operating conditions
Safety
Mechanical conditions
Weight & dimensions
Outputs
Certifications
Communi-cation
±6 kV as per IEC 62052-11
4 kV double insulation as per IEC 62053-21
500 V DC as per IS 13779O O-10 C to +55 CO O-25 C to +70 C
5% to 95% relative humidity non-condensing
2.5 sq mm
As per standard IEC 60068-2
10 to 55 Hz, 0.15 mm amplitude
Plastic mould protected to IP51 from front side
CAT III
2
IP20 at terminals, IP51 on front
300 gms
96 x 96 x 58 mm
92 x 92 mm
Meter constant: 2500/(external CT ratio x PT ratio)
RS485 port Modbus RTU
2400, 4800, 9600, 19200 bps (site selectable)
Odd, Even, None
1 to 247 (programmable)
2 kVAC isolation for 1 min between communication & other circuits
CE, RoHS
+0.8-0.0
During normal operation of this instrument ,hazardous voltages are present at the rear terminals, which can cause injury or death. Installation ,disconnection or removal of the meter should be carried out only by qualified, trained personnel, after de-energizing connected circuits. Improper installation , including improper grounding will void warranty. Product warranty void if seal is broken.
Manufacturer assumes no responsibility for a hazard or damage caused by incorrect or non-application of any of the instructions attached herein. Under no circumstance shall Larsen & Toubro be liable for any consequential or resulting injury or for loss, damage or expense directly or indirectly from the use of this product. Sufficient care is taken to provide all information regarding the product but Larsen & Toubro does not claim any responsibility for the damage caused by using the product directly or indirectly. Use according to the operating instructions, professional practices, wiring rules, codes, safety regulations applicable to the given installation.
9. Mounting Dimensions
6. Memory Map
float
floatfloat
float
float
float
float
40101
4010340105
40107
40117
40119
40121
Data Type
Watts TotalWatts R phaseWatts Y phase
Watts B phase
PF Avg (inst)
PF R phase
PF Y phase
ParameterAddress
float
floatfloat
40123
40125
4012740129
40131
4013340135
Data Type
VR Y phase
ParameterAddress
4013740139
40141
40143
40145
40147
40149
VY B phaseVB R phaseVL N average
V R phase
V Y phase
V B phase
Current total
40151
40153
4015540157
40159
40161
40167
Current R phase
Current Y phase
Current B phaseFrequency
Wh EB
VAh EB
Wh DG
Unsigned long
Unsigned long
40169
40217
40219
VAh DG
Load Hours EB
Load Hours DG
8. Wiring Diagram
5. Programming Mode5.1 Programming keys
To select Edit Mode and save parameter
DOWN to decrement value or parameter
5.2 General Programming Guide· Press UP + Down to enter Programming Mode · Enter Password (default value 0000) · Blink indicates Edit Mode is ON· Press DOWN to decrement value 0/9/8/7/6/5/4/3/2/1· Press UP to move to the next digit till 4th digit If Password is correct, meter display reads For Clear Mode move to step 5.2.1 For Programming Mode move to step 5.2.2
5.2.1.Clear Mode· Press UP to Enter Clear Mode Display reads “ ”· Press UP to clear parameter. Display prompts “ ”· Press DOWN to change for “y” (yes) to clear values· Press UP to clear
If Customer enters wrong password then Pass Error will be displayed (Meter will display next parameter but cannot be edited). If customer forgets the set password, kindly contact L&T Customer Interaction Center.
Option/Range
3P 4W
415
3P 4W3P 3W1 Phase
100V-999kVTo set 33kV Set first four digits(3300) as explained above pressUP/DOWN key to place decimal point at appropriate location.
5.3. Display
First three digit : Parameter to edit4th to 7th digit : Parameter value
Programming Parameter Default
PT Primary
ConFIG(Defines thepower systemconfiguration.)
5.2.2. Programming Mode· Press DOWN to enter Programming Mode· Press UP key to select the Edit Mode
indicates Edit Mode is ONBlink· Press DOWN to decrement values or to select from available options· Press UP to accept the value of the parameter· Press DOWN to edit next parameters till end after the configuration of last parameter display screen will prompt “SAVE”, Display reads “Y” (YES)· Press DOWN to change to “ ” (NO)· Press UP to save
5.4. Enabling and Disabling Auto ScrollingPress DOWN for 6 secs Display Shows: EnbL. Au.Again press DOWN for 6 secDisplay Shows: dSbL. Au.
415.0
5.000
5.000
No
VECHVA Selection
CT Primary
CT Secondary
PT Secondary
Reverse Lock
50V to 550V
0.5A - 99kA
0.5A - 6A
Yes/NoIf YES it blocks energy accumulation in case the CT polarity reverse.
Method of VA Selection: Arithmetic /Vector harmonics /Vector
Electrical Standard Products
L&T Business Park, Tower 'B' / 3rd Floor
Saki Vihar Road, Powai Mumbai 400 072
Website: www.Lntebg.com
L&T Electrical & Automation
CUSTOMER INTERACTION CENTRE (CIC)
TOLL-Free: 1800 233 5858, 1800 200 5858
Telephone : 022 6774 5858
email: [email protected]
In case of complaint please contactSteps for MountingInsert meter to panelwithout clamps
Insert both clamps
1
2
3
4mm
54mm
12
3
1.000
9600
Even
sl1000Slave Id
Parity
Baud Rate 2400, 4800, 9600 19.2k
Even/Odd/none
1 to 247
0000
Resolution
Wh
Energy
Energy Selection
PASSWORD 0000 to 9999
Resolution/Counter
Wh /VAh
ua.uech
90 +2.0-0.0
90 +2.0-0.0
Note:1. If energy value is reset or CT values are modified,then the existing energy value will be made zero and will be saved in another register called Wh.OLD (old energy).
3 Phase 4 Wire System 3 Phase 3 Wire System Single Phase System
AMF IP240V AC
Load Line
Received (Import) Delivered (Export)
AMF IP240V AC
Load Line
Received (Import) Delivered (Export)
Load Line
Received (Import) Delivered (Export)
AMF IP240V AC
Ver
1.1
(Dece
mber
2019)
PF B phase
VA total
VA R phaseVA Y phase
float
float
float
float
VA B phase
VLL average
float
float
float
float
float
float
float
float
Data TypeParameterAddress
float
floatfloat
float
float
float
float
7. Display Parameters7.1 Display of Parameters in meter
Display Meaning
Active Energy
Active Energy Old
Apparent Energy
Apparent Energy Old
Power Factor
Apparent Power
Power Factor r-phase
Power Factor y-phase
Power Factor b-phase
Watts r-phase
Watts y-phase
Watts b-phase
Watts Total
Apparent Power r-phase
Apparent Power y-phase
Apparent Power b-phase
7.2 Energy Value Interpretation
Sl.No.
Displayon Meter
Parameterselection
Energyselection
1. Wh Wh Wh
Programming mode
2. VAh Wh VAh
Display Meaning
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