System Introduction
2–17
1070 072 262-101 (01.09) GB
2.2.7
INTERBUS-S Functionality (ZS550-DP-IBS only)
Status display
Dev
Select: INTERBUS-S functionality
Dev
Status display refers to INTERBUS-S functionality
Display
status
Description
ACTIVE: INTERBUS-S in active status
USER: User error/parameterization
READY: INTERBUS-S in ready status
PF: Peripheral fault
DETECT: Diagnosis routine is active
Bus error
Busmaster cannot access the bus (no idle state level)
Possible causes:
D
Short circuit on the field bus
D
Terminating resistance not switched on
D
Terminating resistance has no voltage
Error on the interface module/hardware