Start-Up; Three-Step Version; Calibrating The Positioner - Samson 3274 Mounting And Operating Instructions

7 Start-up

The work described in this section is only to be performed by personnel appropriately quali-
fied to carry out such tasks.

7.1 Three-step version

No measures are required to start up actuator versions with three-step control.

7.2 Calibrating the positioner

Set the adjusters and slider switches.
DANGER
!
Risk of electric shock from exposed live parts.
Do not touch live parts on operating the adjusters and slider switches.
Zero
in
60
40
20
0
Starting point (zero)
Fig. 7-1: Adjusters and slider switches
EB 8340 EN
Adjusters
Span
out
80
100
%
Position feedback (output signal)
Span
in
Upper range value (span)
Slider switch
on
off
1 2 3
SW1
SW2
SW3
Start-up
4
SW4
7-1