Instruction Manual

Publication 1753-UM001C-EN-P - March 2010 315
System Signal Variables Appendix B
Module Variables for GuardPLC 1600 and 1800 Controllers and
Distributed I/O
The GuardPLC 1600 and 1800 controllers and distributed I/O support
these module parameters.
DO[0y].State
(2)
Read Error mask for counter outputs 1…4
0x01 Error in output channel
0x02 Output channel switched off due to overcurrent
0x04 Error during readback of the output channel
0x08 Faulty initialization after counter reset
DO[0x].Value
(2)
Write Output value of counter outputs 1…4 (These 4 outputs cannot be driven by counter presets.
They are driven by user software only.)
0 Output de-energized
1 Output activated
(1) Ox = counter 01 or 02.
(2) 0y = outputs 01, 02, 03, or 04
I/O Data Read/Write Description
I/O Data Read/Write Description
Module.SRS Read Slot number (System.Rack.Slot)
Module.Type Read Module type
0x00A5
Digital input module (DI20) for GuardPLC 1600 controllers
Digital input module (DI20) for 1753-IB20XOB8
Digital input module (DI8) for 1753-IB8XOB8
0x00E2 Digital input module (DI16) for 1753-IB16XOB8
0x002D Digital input module (DI16) for 1753-IB16
0x005A Digital output module (DO16) for 1753-OB16
0x003C Digital relay output module (DO8) 1753-OW8
0x00B4 Digital output module (DO8) for GuardPLC 1600/1800 controllers, and
1753-IB20XOB8
0x005B Digital output module (DO8) for 1753-IB8XOB8
0x00C4 Digital output module (DO8) for 1753-IB16XOB8