5.5 DIAGNOSIS VIA PROFIBUS-DP (DP-SIEMENS)
General
Diagnostic words
The diagnostic information of a valve terminal is
grouped together in diagnostic words.
With these diagnostic words, the following error
states are communicated to the controller.
• operating voltage of the valves/outputs
< 21.6 V (V
val
)
• operating voltage of the valves/outputs
< 10 V (V
out
)
• operating voltage of the sensors
< 10 V (V
sen
)
• output overloaded/short circuited
• AS-i error (bus, power and slave error)
• error in analogue processing.
VIFB13 - 03/05 5. Diagnosis/error treatment
5-16
9701 NH
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