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Siemens SIPART PS2 6DR52xx User Manual

Page 107

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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

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