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@ L&T Electrical & Automation
OMMIR- Intelligent Motor Management Relay
Intelligent Motor Protection, Control and Monitoring Solutions
iMMR Main Unit
+ Auxiliary Input: 85-265VAC/DC
+ 4 digital input & 3 Digital output
+ One 2 wire RIDIPTC input
+ Communication Protocols -
1) Profibus OP
2) Modbus RTU
Protections
* Current based protections [with CT unit]
~ Over and under current
~ Phase unbalance
~ Phase loss
Phase reversal
Earth fault protection
Thermal overload
= Stalled & locked rotor
~ Excessive start time
* Optional Voltage based protections
[with CT + VT module]
= Over and under voltage
- Phase unbalance
~ Phase loss
Phase reversal
Motor reacceleration
Active power protection
Power factor protection
Frequency
Individual HMW/Display
+ Self powered display.
+ Monitoring, Control & Parameterization
+ Inbuilt memory module
+ Micro USB available for data access
CT/CIVT Unit
+ Compact CT or CTVT up to 25 A.
+ CT 1range-0.3-34
+ CT2range-2.5-25A
Metering and Monitoring Data
~ Current -R, Y, B, EF, Unbalance
- Voltage, Frequency, kW, kVAr, KVA.PF, kWh,
kvarh , KVAR
- Voltage and Current THD,
- Thermal memory, Motor status, Starting
current and time
- Thermal time to trip, time to cool, Run hours,
No. of Starts and No. of Stops
- 20 Trip, 100 Event and 20 IRF records
Product Dimensions
Dimensions (H x W x D)
iMMR Module Name a
Main Module 112 x 45 x 90
CT1, CTIVT Module
126 x 45 x 55
CT2, CT2VT Module
Display Module (Cut-out) 45 92.5 x 45 Wiring Diagram
MMR relay set for starter type DOL
$Note:-
iMMR Terminal Details
ForDigtal nputs-24V0C is intemally generated. Do not connect external Supa,
Ordering Codes with MRP
Ordering Code Description MRP
5912440000 MMR Modbus RTU 85-265 VAC/DC 116000
3912450000 T1 (03-34) with 15 cm cable 4500
912460000 72 (2.5-25A) with 15 cm cable 4500
5912490000 TI (0.3.34) + VI with 15 cm cable 8000
3912500000 C12 (2.5-25A) + VT with 15 cm cable 8000
3912530000 IMMR Display unit without cable 10000
XK131280000 MMR Display cable - 1 meter 900
XK131290000 IMMR Display cable ~ 2 meter 1300
Available on request iMMR PROFIBUS 85-265 VAC/DC -
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