Festo FB13 - Diagnostic Information

Diagnostic information
The diagnostic information can be requested by
the DP master from the valve terminal via the
function
Slave_Diag . The valve terminal replies
with an octet string of length 15.
Octet 1: Station status_1
Bit Meaning Explanation
0
Diag.Station_
Non_Existent
Valve terminal cannot/not yet be addressed.
Possible causes:
- operating voltage not applied
- data cable interrupted
- fault in data cable
1
Diag.Station_
Not_Ready
Valve terminal not yet ready for data exchange.
2
Diag.Cfg_Fault The configuration data received from the master
do not agree with the data calculated by the
valve terminal.
3
Diag.Ext_Diag There is a device-related diagnosis.
Possible causes:
- short circuit/overload of electrical outputs
- V
valves
< 21.6 V*
- V
outputs
< 10 V*
-
V
sensor
< 10 V
- AS-i error
- Error in analogue data processing
4
Diag.Not_Supported Logic "0": FREEZE/SYNC is supported
5
Diag.Invalid_
Slave_Response
Always logic "0" (set by valve terminal)
6
Diag.Prm_Fault Error in last parametrizing telegram
7
Diag.Master_Lock Always logic "0" (set by valve terminal)
* Only if voltage monitoring is activated.
VIFB13 - 03/05 5. Diagnosis/error treatment
9701 NH 5-23