Monitoring The Number Of Changes In Direction 'O.\\Dchg - Siemens SIPART PS2 Operating Instructions Manual

Electropneumatic positioners with profibus pa
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L3.FACT2 - Factor 2
Adjustment range:
Purpose:
Factory setting:
L4.FACT3 - Factor 3
Adjustment range:
Purpose:
Factory setting:
9.3.3.11

Monitoring the number of changes in direction 'O.\\DCHG'

O. DCHG - Monitoring the number of changes in direction
Requirement:
Possible settings:
Purpose:
Factory setting:
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB
0.1 ... 40.0
Use this sub-parameter to set the factor for formation of threshold
1. Set the factor in a range from '0.1' to '40.0'. The threshold is the
product of 'L1.LIMIT' and 'L3.FACT2'.
The threshold 1 message is displayed when threshold 1 is excee‐
ded. The process to activate and display this message is described
in the 'XDIAG' parameter.
2.0
0.1 ... 40.0
Use this sub-parameter to set the factor for formation of threshold
1. Set the factor in a range from '0.1' to '40.0'. The threshold is the
product of 'L1.LIMIT' and 'L4.FACT3'.
The threshold 1 message is displayed when threshold 1 is excee‐
ded. The process to activate and display this message is described
in the 'XDIAG' parameter.
5.0
The '50.XDIAG' Activation of extended diagnostics (Page 170) pa‐
rameter is set to 'On1', 'On2' or 'On3'.
● OFF
● On
Use this parameter to continuously monitor the number of changes
in direction of the actuator beyond the deadband. Monitoring is per‐
formed in three steps. Set the following sub-parameters appropri‐
ately. To activate monitoring, set the parameter to 'On'. Sub-param‐
eters are displayed.
The current value is displayed in Diagnostic value '2.CHDIR - Num‐
ber of changes in direction' (Page 255). The positioner triggers a
message if the current value exceeds one of the three thresholds.
OFF
Parameter assignment
9.3 Description of parameters
193

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