Technical Specifications Applicable PLC: GE Series‑90‑30 PLC On‑board Resource: Independent processor and user memory Interface: Serial communication port Operating Temperature Range: 0 ℃ to +60 ℃ Storage Temperature Range: ‑40 ℃ to +85 ℃ Mounting: Series‑90‑30 rack slot‑mount
Functional Features Independent execution of user high‑level language programs. Off‑load complex computation and custom protocol tasks from main CPU. Serial port for external device connection. Data sharing with Series‑90‑30 CPU via backplane bus memory mapping. Module self‑diagnosis and status LED indication.
Application Scenarios Special protocol conversion, complex mathematical calculation tasks, customized data processing, special equipment interface development for Series‑90‑30 control system.
Performance Parameters On‑board program execution runs independently of PLC main scan cycle.
Structural Characteristics Series‑90‑30 rack‑mount module housing. Serial port connector. Front‑panel RUN and FAULT LED indicators. Rear gold‑plated backplane connector for rack bus.
Working Principle User compiled high‑level program downloads into IC693PCM311 on‑board memory. Independent processor runs custom program separately from PLC main scan cycle. It exchanges data with Series‑90‑30 CPU through shared memory area on system backplane bus, and communicates with external equipment via serial port.
Installation Requirements Insert module into Series‑90‑30 rack free slot. Complete serial wiring for external devices if needed. Download dedicated coprocessor user program. ESD anti‑static operation required during handling.
Usage Notes Separate coprocessor program from PLC ladder logic program. Check module status LED when custom function fails. Power off rack before module removal.
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