Instruction manual

2–6 MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
MECHANICAL INSTALLATION CHAPTER 2: INSTALLATION
Figure 7: Removing a module from the MM300
Use the following procedure to insert a module.
1. Ensure that control power has been removed from the MM300.
2. Ensure that the module is being inserted into the correct slot.
3. Align the module card edges with the slot track as shown in the diagram below.
4. Gently slide the modules into the slot until the modules latch into the opening marked
by the two arrows on top of the MM300 case.
5. Attach the two captive screws to anchor the module to the case (use a tightening
torque of 3.5 lb.-in.).
Figure 8: Inserting modules into the MM300
2.1.5 Module and terminal identification
The MM300 input/output and protection modules are labeled with the “IO_” prefix followed
by a one-character identifier as follows.
Table 1: Input/output module nomenclature
853733A1.CDR
853734A1.CDR
Module Description
IO_A CT module
IO_B VT module
IO_C Two 10 A form-A relays, six 60 to 300 V AC digital inputs, and Aux VT input module.
IO_D Four 10 A form-C relays module.
IO_G 3 RTD module.