Honeywell 900CP1 - 0300 CPM , CONTROLEDGE 900 ControlEdge PLC Module In Stock Control Processor Module (900CP1-0200) and Ext. Temp (-40 to 70°C)Model (900CP1-0300) and Control Processor Module (900CP2-0100). The ControlEdge PLC has a rack based modular hardware design with control processor modules that plug onto different rack options depending on system configuration requirement. Performance and Capability Item Specification Maximum I/O Modules per controller 144 Maximum