Manufacturer: OMRON
Type: Compobus/S Master Unit
Model: CJ1W-SRM21
I/O Points: 256 (128 inputs and 128 outputs) or 128 (64 inputs and 64 outputs)
Applicable PLC Models: CJ-series PLCs
Communications Method: Special CompoBus/S protocol
Unit Type: Special I/O Unit
Modulation Method: Baseband method
Coding Method: Manchester coding method
Communications Cycle Time: 0.5 ms (at 750 kbps)
Communications Distance: Up to 500 m (at 93.75 kbps)
No. of Mountable Master Units: 40
No. of Connectable Slaves: 32
Dimensions: 20 X 80 X 90 mm
Weight: 0.06 Kg