The GE MMLG02R1AA0001E is part of GE's "MMLG" series of test blocks. Specifically:

This module is dedicated to testing bus differential/busbar protection schemes.

It is designed for use with the "MMLB" series of multi-finger test plugs.

It is primarily used to perform monitoring, injection testing, and isolation operations in relay protection systems without disturbing the primary and secondary wiring.

Series: MMLG Series

Number of Circuits: The test block contains 14 independent circuits, each with a pair of terminals at the rear.

Terminal Type: Each circuit consists of a pair of spring-loaded normally closed contacts; they are closed during normal operation; inserting a test plug opens the circuit for testing purposes.

Power Supply/Auxiliary Description: Although this module is primarily a wiring/test channel module, the distributor's literature incorrectly describes it as a safety relay, with parameters such as "24 V DC power supply." This should indicate that the auxiliary voltage in the protection system is not directly supplied by the module.

Applicable Systems: For use with GE MIDOS series modules and MiCOM series protection relays.

GE's Speedtronic Mark VIe gas turbine control system is an advanced digital control platform designed for gas turbines, steam turbines, and combined-cycle power plants.

The system combines high-speed processors, distributed I/O modules, and real-time control software to precisely monitor and control gas turbines.

The Mark VIe system features a highly modular design, including a primary controller, a backup controller, and a variety of analog, digital, and discrete input and output modules. This allows for redundant configurations to ensure high system reliability and continuous operation. It supports multiple communication protocols, including Ethernet, Modbus, and PROFIBUS, enabling seamless integration with plant control systems and third-party equipment.

The Speedtronic Mark VIe system provides real-time data acquisition, fault diagnostics, trending, and safety features to optimize gas turbine efficiency, extend equipment life, and reduce maintenance costs. Its flexibility, reliability, and high performance make it widely used in power generation, petrochemical, industrial boilers, and other industries requiring precise control and high safety.

ABB

EMERSON

EPRO

IMHSS03

A6210

PR6424/013-140 CON021

NTDI01

A6220

MMS6120

NTAI05

A6312

PR6426/000-030 CON021

INNIS21

FX-340

PR6423/013-000-CN

SDCS-PIN-51

PR6423/010-010 CON021

PR6423/000-031

SMIO-01C

1X00781H01L

PR6423/015-030 CON021

XM06B5 1SBP260103R1001

A6120

PR6426/010-030 CON021

IPMON01

A6410

PR6423/004-010

IPSYS01

A6312/06 

PR6423/000-131-CN CON031

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