Instruction Manual

316 Publication 1753-UM001C-EN-P - March 2010
Appendix B System Signal Variables
Digital Input Module Variables for GuardPLC 1600 Controllers and
Distributed I/O
The GuardPLC 1600 controllers and distributed I/O support these
digital input parameters.
Module.Error.Code Read Error mask for the module
0x0000 I/O processing may be running with errors
0x0001 No I/O processing (CPU not in RUN)
0x0002 No I/O processing during start-up tests
0x0004 Manufacturing interface running
0x0010 No I/O processing due to incorrect configuration
0x0020 No I/O processing due to exceeded fault rate
0x0040/80 No I/O processing because configured module is not plugged in
I/O Data Read/Write Description
I/O Data Read/Write Description
DI.Error Code Supply
(1753-IB16XOB8 only)
Read 0x0001 Error in the total module DI supply.
DI[xx].Error Code Supply
(1753-IB16XOB8 only)
Read Error mask of all digital inputs
0x01 Error in DI supply of the module.
0x02 Supply is switched off due to overcurrent.
0x04 Error in reading back the supply.
DI.Error Code Read Error mask for all digital inputs
0x0001 Error in digital input range
0x0002 FTZ test of test pattern failed
DI[xx].Error Code
(1)
Read Error mask of all digital input channels
0x01 Error in digital input module
0x10 Short-circuit of the channel
0x80 Line interrupt between pulse output (DO) and pulse input (DI)
DI[xx].Value
(1)
Write Input value of digital input channels
0 Input not set
1 Input set