IM-P343-37 CTLS Issue 4
37
SP400 Electropneumatic Smart Positioner
Fig. 42 CTRL Control Action dIRCT or REV setting guidance
Installed orientation At-rest position Control action
Manual Selection
of required % travel
(TRAVL)
Automatic determintation
Spring action only affects
the rest or fail-safe position
Manual Selection of required
Control Action
(CTRLA)
(TRAVL)
0 - 100%
(TRAVL)
100 - 0%
0%
100%
0%
100%
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