The General Electric Multilin Motor Manager is a series of control modules that combine several functions for controlling motor capabilities and extensive motor protection. This product was initially developed and produced by General Electric’s industrial automation branch. The Motor Manager II (also known as MM2) is a device that was designed to provide the most sophisticated control and protection for the lowest possible price when compared to other brands and models of discrete motor controls.
This model of the Motor Manager II series is the MMII-PD-1-2-240 is built to cover a large array of functions that low voltage motor controls are meant to handle, such as handling any possible overloads, unbalanced phases, possible contractor failings, and if a rotor is locked and/or stalled. There is also a hot winding thermistor module integrated into this model. If there’s an amount of power that is under the nominal intake required, the undervoltage auto restart kicks in.
The MMII-PD-1-2-240 unit’s physical frame is outfitted with a set of 4 output and 16 input ports. The output ports are designated as a pair of contractor outputs and a pair of programmable outputs. For input ports, there are 6 fixed inputs and 10 programmable inputs.
For informational reports, this unit is outfitted with an analog interface that displays the phase current, and ground current, the thermal capacity analog input, and the power and energy levels. This model makes sure to trip record and to record the pre-trip values for comparison.
The unit is able to be integrated with an RS485 ModBus Plus module, at 1200 to 19200 bits per second (bps).