I/O / Process Data and Diagnosis Section (Cyclic Data)

The cyclic data section for CI52x-MODTCP

Register (hex) Description Readable by MODBUS function code Writeable by MODBUS function code
FCE *) Module state 3,4, 23 x
FFA Diagnosis 3,4, 23 x
1000 Inputs CI 3, 4, 23 x
1100 Inputs 1.EXP 3, 4, 23 x
  x
1A00 Inputs 10.EXP 3, 4, 23 x
2000 Outputs CI 3, 23 6, 16, 23
2100 Outputs 1.EXP 3, 23 6, 16, 23
   
2A00 Outputs 10.EXP 3, 23 6, 16, 23
2B00 Dummy output 3, 23 6, 16, 23

*) supported from CI52x firmware version V3.2.0 (device index F0)

This section can be divided again in three sections:

  • Module state (containing the state of connected expansion modules and hot swap terminal units)
  • Diagnosis data (containing diagnosis data in AC500 specific format)
  • Process data (containing I/O data)