Operate
6.2 Parameter description
SITRANS VP300 with or without HART
Operating Instructions, 03/2011, A5E01258666-03
103
Purpose:
Indicates the stroke time of the reference stroke.
Description:
The stroke time includes the period from the start of the partial stroke
test until the specified stroke amount relative to the start position has
been reached.
"3.5.4.4 Threshold stroke time"
Factory setting:
5.0 s
Setting range:
0.1 ... 100.0
Purpose:
Setting of time above which the positioner triggers a failure reaction.
How the positioner is to respond to failure of the partial stroke test is
set in the "3.5.2.8 Failure reaction" (Page 100) parameter.
"3.5.4.5 Total time"
Requirements:
Reference stroke has been initiated.
"3.5.3 Initiate reference stroke" (Page 101)
Factory setting:
0.0 s
Display range:
0.0 ... 100.0
Purpose:
Indicates the total time of the reference stroke.
Description:
The total time includes the complete motion sequence of a partial
stroke test from the outset, including the breakaway time, stroke time,
adjustable pause time, and return time to the starting point.
"3.5.4.6 Threshold total time"
Factory setting:
10.0 s
Setting range:
0.0 ... 100.0
Purpose:
Setting of time above which the positioner is to signal violation of the
total time.
"3.5.5 Activate SIL mode"
Conditions:
No partial stroke test has been carried out.
Factory setting:
Off
Setting options:
Off
On
Purpose:
Execute partial stroke test in SIL mode.
Description:
SIL function.
The SIL mode of the partial stroke test is deactivated in the factory.
