Instruction Manual

Publication 1753-UM001C-EN-P - March 2010 311
System Signal Variables Appendix B
Analog Output Module Variables (AB-AO) for GuardPLC 2000
Controller
The GuardPLC 2000 controller supports these analog output
parameters
I/O Data Read/Write Description
AO.State Read Error mask for all analog outputs
0x0000 No errors detected
0x0001 Error of the module
0x0002 Within the safety time: co-efficient table check error
0x0004 No communication with the module due to controller error
AO[0x].Mode Write Mode of analog output channel
0 voltage
1 current
AO[0x].State
(1)
Read Error mask for analog output channels
0x0000 0001 CPU detected error on AB-AO module
0x0000 0002 CPU detected faulty monotony counter
0x0000 0004 CPU detected error in safe addressing
0x0000 0008 CPU detected faulty CRC
0x0000 0010 CPU detected error in watchdog time of the AB-AO onboard
microprocessor
0x0000 0020 CPU cannot communicate with the AB-AO onboard microprocessor
0x0000 0040 CPU detected that the present operating mode (current/voltage) is
different from the initialized operating mode
0x0001 0000 AB-AO onboard microprocessor detected read back error
0x0004 0000 AB-AO onboard microprocessor detected wrong supply voltage
0x0008 0000 Within the multiple error occurrence time: AB-AO onboard
microprocessor detected faulty safety switch
0x0080 0000 AB-AO onboard microprocessor detected both safety switches
as faulty
0x0200 0000 AB-AO onboard microprocessor INITIALIZE
0x1000 0000 AB-AO onboard microprocessor detected error because of module
over temperature
0x2000 0000 AB-AO onboard microprocessor detected module over temperature
0x8000 0000 CPU detected error on redundant AB-AO onboard microprocessor
channel
AO[0x].Used Write Configuration of analog output channel
0 not used
1used