Siemens SITRANS VP300, Руководство по эксплуатации

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Operate
6.2 Parameter description
SITRANS VP300 with or without HART
96
Operating Instructions, 03/2011, A5E01258666-03
6.2.3.5 "3.5 Partial stroke test (PST)"
The partial stroke test is used for a partial stroke inspection of up/down and servo solenoid
valves on a cyclical or manual basis. The menus provide parameters for activating and
testing the partial stroke test. The following table contains an overview of the menus and
parameters:
3.5.1 PST Overview 3.5.5 Activate SIL mode
3.5.2 PST basic settings 3.5.6 PST interval
3.5.3 Initiate reference stroke 3.5.7 Initiate test
3.5.4 PST reference 3.5.8 Stop test
"3.5.1 PST Overview"
The menu can be used to indicate the actual status of the partial stroke test. The following
table contains an overview of the menus and parameters:
3.5.1.1 Reference status 3.5.1.6 Stroke time
3.5.1.2 SIL mode 3.5.1.7 Total time
3.5.1.3 Test status 3.5.1.8 Last test
3.5.1.4 Current start position 3.5.1.9 Next test
3.5.1.5 Breakaway time
"3.5.1.1 Reference status"
Purpose: Indicates the reference status of the partial stroke test.
Description: The following status information can be displayed:

No reference stroke performed

Start position reached

Reference stroke OK

Reference stroke failed
"3.5.1.2 SIL mode"
Factory setting: Off
Purpose: Indicates the current SIL mode
Description: The following status information can be displayed:

Off

Configure

Active
The display indicates the current SIL mode of the device.