Siemens SIPART PS2 6DR52xx User Manual
Page 107
Operation
107
SIPART PS2 Manual
A5E00074631--06
.
NOTE
If you have activated the extended diagnostics (parameter 51.XDIAG)
with On2 or On3, the alarms cannot be output via the alarm unit.
However, the message is possible via HART communication at any
time.
Response threshold alarm 1
and
Response threshold alarm 2
The alarm thresholds are related to the mechanical path (MPOS-scale).
Function of the fault message output
The fault message output serves as a group message for following
faults:
S
Control error (e.g. by actuator fault, valve fault, compressed air fail-
ure) with the parameters “48. TIM” and “49. LIM”
S
Positioner not in automatic mode
S
Digital input activated (see parameter “42.BIN1” and “43.BIN2”)
S
Exceeding of a limit value (e.g. way integral or valve seat, see pa-
rameter 50 to 54)
It also responds at:
S
Power failure
S
Processor fault
The direction of action of the digital outputs can be adapted from high
active to low active sequence systems.
For more information on error messages, see chapter 4.5.3 Online-
Diagnostics, page 131.
45.A1
46.A2
47. FCT