DEIF CM‑2 Delomatic‑3 Main Control Module

Technical Specifications

Model:CM‑2

Brand:DEIF

System compatibility:Core CPU module for DEIF Delomatic‑3 DGU rack,only one CM‑2 per DGU unit,works with PSM‑1 power supply module,communicates with IPM‑1,OPM‑1,AOM‑1 via back‑plane ARC‑net internal bus,supports external RS232/RS485 Modbus‑RTU communication

Function:Central processing unit of Delomatic‑3 system,runs pre‑loaded application firmware,executes generator start‑stop,circuit‑breaker synchronisation,load sharing,over‑current and under‑voltage protection logic,coordinates all rack‑mount I/O modules,stores system parameters,provides ARC‑net internal bus management,realizes data exchange with upper monitoring system via serial port

Installation:Plug‑in slot mounting inside Delomatic‑3 DGU rack,6TE width back‑plane connection,powered by PSM‑1 through rack back‑plane

Interface:

‑Back‑plane ARC‑net internal bus

‑External serial expansion:RS232 / RS485,Modbus‑RTU protocol

‑Status LED indicators

Circuit feature:On‑board flash prom for application program storage,hardware watchdog,self‑diagnosis for back‑plane bus faults,1kV galvanic isolation for communication circuits

Feature:Rack‑mount hot‑plug capable,marine classification society approved,operates independently even if operator panel fails,controls complete genset protection functions

Diagnostic:Front‑panel LED: I/O OK, LAN OK;indicates back‑plane bus and ARC‑net communication health status,fault codes transmitted over serial bus

Power supply:Supplied by PSM‑1 via rack back‑plane,typical power consumption 1.5W,max 3W

Protection class:IP20 when installed inside DGU rack

Horizontal operating temperature:‑25℃ ~ +70℃

Storage temperature:‑40℃ ~ +70℃

Relative humidity:5%‑95% non‑condensing

Shock & vibration:Complies with DNV / GL marine environmental requirement

Weight:0.47kg

Dimensions:30.5mm ×234mm ×160mm

Certification:DNV,GL,LR,ABS,CE

Built‑in function

CM‑2 serves as the central brain for DEIF Delomatic‑3 generator control system. It performs full automatic genset control including start‑stop,synchronisation,load distribution and electrical protection. It communicates with rack‑mount I/O modules through ARC‑net back‑plane bus and exchanges process data with remote supervision system via Modbus‑RTU serial port. Widely used for marine and offshore generator power‑plant automation control.

Product Brief

CM‑2 belongs to DEIF Delomatic‑3 series marine power‑control‑system spare‑part family,main CPU control module for DGU rack. One DGU rack requires exactly one CM‑2 and matched PSM‑1 power module. Widely applied for marine generator control cabinet maintenance and renovation. ESD anti‑static protection shall be followed during installation.