Installing the Gas Analyzer 39
Standard Assignment of the Digital Inputs and Digital Outputs
Signal Standard Assignment
1)
Digital I/O Module 1
Standard Assignment
1)
Digital I/O Module 2
Failure
Maintenance request
Maintenance mode
Overall status DO1
Start automatic calibration DI1
Stop automatic calibration
Disable automatic calibration DI2
Sample gas valve DO4
Zero-reference gas valve
Span reference gas valve
Alarm value 1 DO2
Alarm value 2 DO3
Alarm value 3 DO1
Alarm value 4 DO2
Alarm value 5 DO3
Alarm value 6 DO4
Alarm value 7
Alarm value 8
Alarm value 9
Alarm value 10
Measuring range switch-over
Measuring range feedback signal
Sample component switch-over
Sample component feedback signal
Bus DI 1
Bus DI 2
Bus DI 3
Bus DI 4
Bus DI 5
Bus DI 6
Bus DI 7
Bus DI 8
External error
2)
DI3
External maintenance request
2)
DI4
1) Set ex works, can be reconfigured in operation.
2) Depending on the number of available digital inputs several external signals can be configured.