Byte Bit Name and meaning Cause Measure
1 0 DIA_ZERO_ERR
Lower end stop beyond the toler‐
ance
The lower end stop is beyond the
set tolerance.
Check the valve. Flow restrictors
and/or the seat ring are probably
worn out.
1 DIA_SUPPLY
Error in the compressed air supply
A run time overshoot was detec‐
ted. In all probability, the energy
(compressed air) is not available.
Establish the compressed air sup‐
ply and check the feed lines.
2 Not used - -
3 DIA_WARMSTART
Warm restart executed (goes to
"0" after 10 s)
Power was fed to the device. Check the cabling and the supply
unit.
SIMATIC PDM was used to trig‐
ger a warm restart.
The internal watchdog has re‐
sponded.
4 DIA_COLDSTART
Restart executed
(goes to "0" after 10 s)
The device was reset to factory
settings.
-
5 DIA_MAINTENANCE
Maintenance required
To determine the cause, check in
DIAGNOSTICS_EXTENSION
and DIAGNOSTICS_EXTEN‐
SION_2 which diagnostics event
has triggered the message.
Depends on the triggering diag‐
nostics event.
6 DIA_CHARACT
Characteristic curve invalid
The parameterized characteristic
curve does not have the required
monotony, number of support
points, or the x values are not ar‐
ranged in 5% distances. The orig‐
inal characteristic curve is used
further.
Modify the configuration data
(change the GSD) such that it is
consistent with the identification
number set in the device.
7 IDENT_NUMBER_VIOLATION
Identification number changed
You have changed the PROFI‐
BUS identification number param‐
eter during the active cyclic oper‐
ation. The device reports the iden‐
tification number violation and dis‐
plays a failure warning. In case of
a warm restart, the device no lon‐
ger participates in the cyclic trans‐
fer of useful data without chang‐
ing the system configuration.
Modify the configuration data
(change the GSD) such that it is
consistent with the identification
number set in the device.
2 0 ... 7 Reserved - -
3 0 ... 6 Reserved - -
7 EXTENSION_AVAILABLE
Extension available
Further information about the trig‐
gering diagnostics event is avail‐
able in DIAGNOSTICS_EXTEN‐
SION and DIAGNOSTICS_EX‐
TENSION_2.
-
Functions/operations using PROFIBUS PA
9.3 Cyclic data transfer
SIPART PS2 with PROFIBUS PA
Operating Instructions, 05/2019, A5E00127926-AC 223
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