Basic Modules

1 x oil/1 x ambient temp. input (Pt100/4...20mA)1 x current transformer input 0.5...5A

for winding temp. calc.7 x relay contacts; 2 x analog outputs 1 x RS485; 1 x USBSupply voltage standard80-265VAC and 80-353VDC

TD2077/05/01

MesskoMTeC® - EPT202

Ordering specifications

MTeC® series

TEMPERATURE MONITORING AND INTELLIGENT COOLING CONTROL FOR TRANSFORMERS

EPT202 Winding temperature calculation and intelligent cooling control

The EPT202 consists of a basic module and optional – depending on required features – additional modules that can be snapped on. The drawings below show combinations of these modules for rail mounting. Combinations are also possible for other mounting options.

Please select the modules, mounting options, housing (if required) and / or other features:

1

1 x oil or ambient temp. input Pt100/4…20mA+ 4 x FO inputs for winding or core temp. measurement by LumaSense Fluoroptic® sensors7 x relay contacts; 2 x analog outputs 1 x RS485; 1 x USBSupply voltage standard80-265VAC and 80-353VDC

Optional:

Power supply 20–72 VDC

Split core transformer (instead of standard CT input) (refer to page 12)

Parameter: 1 2

66421 - - - 0 0

Part no.:

XX Version Para- (refer to drawings meter 1 pages 6 to 11) Rail mounting

00 according to EN 60715 TH35-7,5 or TH35-15 19“-Rack 42TE

01 according to DIN 41 494 T5 and IEC 60 297-3,-5 Console panel mounting

02 similar to DIN 41 494 T5 and IEC 60 297-3,-5 19“-Rack 84TE

03 according to DIN 41 494 T5 and IEC 60 297-3,-5

EPT202FO Direct measurement of the winding temperature with fi ber optic sensors and intelligent cooling control

66430 - 2 0 - -

Part no.:

66430 - 3 0 - 0 0 -

66430 - 4 0 - 0 0 - 0 0

XX Input range Para- (temperature meter 2 sensor)

00 -20 ... +140 °C 01 0 ... +160 °C 02 0 ... +120 °C 03 -20 ... +130 °C 04 0 ... +150 °C

Other ranges on request

66430 - 0 0 - 0 0 - 0 0

Parameter: 1 2* 3*

* for parameters 2 and 3 refer to page 3 EPT202FO Accessories

Accessories: 66430 - 1 0 - - Sensors

EPT202FO

Tank Wall FeedthroughPlate Assembly

Extension cable

Enclosure to coverFeedthrough Plate

1

TD2077/05/012

MesskoMTeC® - EPT202

Ordering specifications

+ Additional CT inputs and oil level inputs

2 x current transformer inputs 0.5...5Afor 2 additional winding temp. calc.

6 x relay contacts2 x analog outputsSupply voltage via SPI interface of the basic device EPT202 or EPT202FO

EPT202-CT

66450 - 2 0 - 2 0 - 2 1Rail mounting

Parameter: 1 2

66441 - - - 0 0

XX Para- Version meter 1

01 19“ Rack 10 Panel mounting

XX Input range Para- (temperature meter 2 sensor)

00 -20 ... +140 °C 01 0 ... +160 °C 02 0 ... +120 °C 03 -20 ... +130 °C 04 0 ... +150 °C

Other ranges on request

Rack or Panel mounting

Optional:

Split core transformer (instead of standard CT input) (refer to page 12)

2 x current transformer inputs 0.5...5Afor 2 additional winding temp. calc.

2 x oil level inputs 4...20mA6 x relay contacts2 x analog outputsSupply voltage via SPI interface of the basic device EPT202 or EPT202FO

EPT202-OL/CT

66450 - 6 0 - 2 0 - 2 1Rail mounting

Parameter: 1 2

66441 - - - 0 0

XX Para- Version meter 1

02 19“ Rack 11 Panel mounting

XX Input range Para- (temperature meter 2 sensor)

00 -20 ... +140 °C 01 0 ... +160 °C 02 0 ... +120 °C 03 -20 ... +130 °C 04 0 ... +150 °C

Other ranges on request

Rack or Panel mounting

Optional:

Split core transformer (instead of standard CT input) (refer to page 12)

2

Part no.:

Part no.:

MesskoMTeC® - EPT202

Ordering specifications

EPT202FO Accessories

XXAccessories

XXVariants

XXLength

Parameter 1 Parameter 2 Parameter 3

00 FO-Modul Standard 00 Standard 00 –

10 Sensors

00Rugged Dip

Tip Probe

04 4 m

06 6 m

10 10 m

10 Quality probe

04 4 m

06 6 m

10 10 m

20

Tank Wall

Feedthrough

Plate Assembly

004

Feedthroughs00 –

108

Feedthroughs00 –

30 Extension Cable 00Standard

4 in 1 extension cable

05 5 m

10 10 m

15 15 m

20 20 m

Other length on request

40

Tank Wall Adapter

and Penetrator

Enclosure Kit

00

NEMA 12

Enclosure Kit

for 4 and 8

Feedthroughs

00 –

TD2077/05/01 3

2 analog inputs4 binary inputs (see parameter 1)1 x RS232/1 x RS4851 x USB1 x fi ber optic conductor (option)1 x RJ45 Ethernet/Modem (option)Supply voltage standard80-265VAC and 80-353VDC

+ Communication module

EPT202-IM

Parameter: 1 2

66470 - - - 0 0 - 0 0 1

Optional:

Power supply 20–72 VDC

XX Para- Version meter 1

00 Binary input 80-250VAC/VDC

01 Binary input 20-60VAC/VDC

XX Para- Version meter 2

00 RS232/RS485 10 RS232/RS485 + Fiberoptik 20 RS232/RS485 + Ethernet 30 RS232/RS485 + Modem 40 RS232/RS485 + FO and Ethernet

3

Part no.:

MesskoMTeC® - EPT202

Technical Data

Mounting options

Installation on Aluminum housing, can be snapped onto mounting rail as per DIN EN60715 TH 35-7.5 and TH 35-15,mounting rail protection rating IP 00 as per IEC 60529, weight approx. 1.2 kg

19“ module rack 19“ slide-in housing as per DIN 41494, part 5; 270 mm x 132 mm x 177 mm (W x H x D) for installation in 19“ cabinet system, protection rating IP 00 as per IEC 60529, weight approx. 1.5 kg

Installation in Aluminum housing 270 mm x 182 mm x 177 mm (W x H x D) for panel cutout 236 mm x 142 mm control panel (W x H), protection rating IP 00 as per IEC 60529, weight approx. 1.5 kg

Installation in 19“ slide-in housing as per DIN 41494, part 5; 483 mm x 133 mm x 178 mm (W x H x D), protectionTAPMOTION® ED rating IP 00 as per IEC 60529, weight approx. 2.5 kgmotor drive from MR

Temperature ranges

Operation -25° C...+70° C (-13°F…+158°F)

Storage -30° C...+85° C (-22°F…+185°F)

Operator control elements, indication, terminals

User Interface 5 function keys with tactile pressure point

Display Monochrome LCD, black characters and white background

Status indication LED’s 1 green LED for “Power” indicationFor basic module 1 yellow LED for “Alarm” switching contact

1 red LED for “TRIP” switching contact1 red LED for “ERROR” switching contact4 yellow LEDs for switching contacts S1, S2, S3 and S4

For OL/CT module 1 green LED for “Power” indication1 yellow LED for “Alarm II” switching contact1 red LED for “TRIP II” switching contact3 yellow LEDs for indication of highest winding temperature WTI 1 or WTI 2 or WTI 34 yellow LEDs for switching contacts 0L1 MAX, 0L1 MIN, 0L2 MAX, 0L2 MIN (oil level)

For IM module 1 green LED for “Power” indication1 red LED for “ERROR” switching contact2 yellow LEDs for status indications RxD and TxD (communication)

Terminals: Safety screw terminals, for rigid braided leads: 0.2 - 2.5 mm2, AWG 24 - 12, fl exible braided leads (with core end sleeves): 0.2 - 2.5 mm2, AWG 24 - 12 15-pin, D-Sub plug connector for connection between modules

Inputs

Power supply 80...265 VAC, 40 Hz...400 Hz80...353 VDCOptional: 20 - 72 VDCPower consumption: Max. 10 W

Temperature sensor input Pt100 signal as per IEC 751 in 3-wire technique and 4...20 mA signal (active or passive), standard measuring range: -20° C...+140° C (others on request)Measuring converters can be provided for other input signals such as, for example, 0...1 mA or 0...10 V.Optional: The 4-20 mA input can be used to record the ambient temperature (active or passive signal), standard measuring range: -40° C...+200° C.

Current transformer 0.5...5 A CT nominal currentinput Optional: Model with split core current transformer for cable diameters up to max. of Ø10 mm

Continuous load capacity: 10A for 8 hoursShort-time current: 500A for 1 second

Inputs of OL/CT module 2 x 0.5...5 A CT nominal current (current transformer input)(additional) 2 x 4...20 mA signal (active or passive), measuring range: 0...100% for oil level

Technical data of the EPT202

TD2077/05/014

MesskoMTeC® - EPT202

Technical Data

Inputs of the IM module 2 analog inputs4 fl oating inputs for powered contacts elements with 80-250 VAC/DC, optional for 20-40 VAC/DC

Rated isolation voltage 2.0 kV between power, binary inputs and ground (housing)0.5 kV between analog inputs, interfaces and ground (housing)

Outputs

Analog outputs 1 oil temperature (Oil Temp.), temperature range: -20° C...+140° C 1 winding temperature (Winding), temperature range: 0° C...+160° C

Both analog outputs can be set as desired to: 4 to 20 mA (error signal < 3.6 mA) 4 to 20 mA (error signal > 22 mA) 0 to 20 mA (error signal > 22 mA) Free adjustable mA signal (max. 0-20mA) Free adjustable V signal (max. 0-10V)

Outputs of OL/CT 2 winding temperature (WT2 and WT3), temperature range: 0° C...160° Cmodule (additional) 2 oil level (OL1 and OL2), output range: 0...100%

Interfaces 1 USB, socket, type B (Service Interface)Basic module 1 RS485 on terminals

Interfaces 1 USB, socket, type B (Service Interface)IM-module 1 RS485 two-tier, safety, screw-type terminal for 0.2 - 2.5 mm2, AWG 24 - 12

1 RJ45, socket (LAN, modem, thermet) 1 fi ber-optic conductor connection, FH-ST plug connector for transmitter and receiver (850 mm)

Relays Basic module 6 relay contacts for fan control or messages 1 relay contact for device self-monitoring

OL/CT module 6 change-over contacts for messages

Contact capacity S1 to S4: AC: 250 V / 12 A; 120 V / 12 A; DC: 250 V / 0,3 A; 120 V / 0,4 A; 24 V / 12 A S5, S6 and Error contact: AC: 250 V / 5 A; 120 V / 5 A; DC: 250 V / 0,3 A; 120 V / 0,4 A; 24 V / 5 A

Tests

Electrical safety Protection class 1 in accordance with IEC 60536Protection rating IP00 in accordance with IEC 60529Degree of soiling 2 in accordance with IEC report 664-1Overvoltage category III in accordance with IEC report 664-1

Electromagnetic IEC 61000-4-2 Interference immunity against electrostatic discharge with 6/8 kVcompatibility IEC 61000-4-3 Interference immunity against HF fi elds with 10 V / m, 80 to 1000 MHz IEC 61000-4-4 Interference immunity against bursts with 2 kV IEC 61000-4-5 Interference immunity against surges with 2 kV IEC 61000-4-6 Interference immunity against HF on lines with 10 V, 150 kHz to 80 MHz IEC 61000-4-8 Interference immunity against magnetic fi elds with 30 A/m, 50 Hz, continuous IEC 61000-4-11 Interference immunity against voltage drops with AC supply: 30 % / 0.5 cycles; 60 % / 5 cycles; with DC supply 100 % / 10 ms and 60 % / 100 ms EN 61000-6-2 CE conformity EN 61000-6-4 CE conformity

Temperature and IEC 60068-2-1 Dry cold, -25° C / 20 hoursclimate resistance IEC 60068-2-2 Dry heat, +70° C / 16 hours IEC 60068-2-3 Moist heat, constant, +40° C/93 % / 2 days, no moisture condensation IEC 60068-2-30 Moist heat, cyclic (12 x 12 hours) + 55° C / 93 % / 6 cycles

Mechanical loads IEC 60255-21-3 earthquake test 1-5 HZ; 22.5 mm IEC 60255-21-1 vibration test 5–35 HZ, 2 g, X, Y, Z Vibration test 100/120/200/240/300/360/400/480 HZ, 1 g, 4 h per frequency and direction

of excitation IEC 60255-21-2 shock 10 g, 10 ms, 10 shocks in X, Y, Z position

TD2077/05/01 5

MesskoMTeC® - EPT202

Drawings Basic module

Dimensional drawing EPT202 for rail mounting

TD2077/05/016

MesskoMTeC® - EPT202

Drawings Basic module

Dimensional drawing EPT202 as 19“ rack (42HP)

TD2077/05/01 7

Dimensional drawing EPT202 for panel mounting

MesskoMTeC® - EPT202

Drawings Basic module

TD2077/05/018

MesskoMTeC® - EPT202FO

Drawings Basic module

Dimensional Drawing of the EPT202FO for rail mounting

TD2077/05/01 9

MesskoMTeC® - EPT202

Drawings OL/CT module

6 8

1) Dimensional drawings EPT202 OL/CT for rail mounting2) Dimensional drawings EPT202 OL/CT as19“ rack3) Dimensional drawings EPT202 OL/CT for panel mounting

1) 2) 3)

TD2077/05/0110

Dimensional Drawing of the EPT202IM for rail mounting

MesskoMTeC® - EPT202

Drawings IM module

TD2077/05/01 11

© Messko GmbH Phone: +49 (0)6171 / 6398 - 0 Gewerbegebiet An den Drei Hasen Fax: +49 (0)6171 / 6398 - 98 Messko-Platz 1 E-Mail: info@messko.com 61440 Oberursel, Germany www.messko.com

Important note: The information contained in all of our publications may differ in detail from the actual equipment delivered. We reserve the right to make alterations without notice.

TD2077/05/01 • 0110/1000 • Art. no. 990947 • Printed in Germany

Messko

Splitcore clamp

PVC cable,length: approx: 1.2mdiameter: Ø 4.5mm (Ø 0.177")

cab

le m

ax. Ø

10m

m (0

.394

")

Dimensional drawing Splitcore clamp