Samson 3760, Mounting And Operating Instructions

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5.1 Retrofitting a limit switch
For installation of a limit switch in an i/p
positioner (model index .02 and higher;
model index .00 and .01 without explosion
protection) at a later date, a retrofit kit (or-
der no. 1400-8803) is required.
To retrofit the limit switch, the positioner
must be removed from the actuator.
1. Connect the plug of the proximity switch
cable to the plug connection (2) located
on the PCB.
2. Install support plate (8) on the aluminum
plate adjacent to the terminal base using
two screws.
3. Attach positioner to the actuator.
4. Fix bracket with pin (5) on the clamp at-
tached to the actuator stem and secure it
with screws. Make sure that the pin (5)
is located in the recess of the operating
lever (3).
5. Connect the switching amplifier to the
ter and – using cable glands or
connectors.
6. Refer to section 5 for adjustment.
20
EB 8385 EN
Adjusting the limit switch
1
2
3
4
7
5
6
8
Fig. 7 · Limit switch, for positioner with left attachment (for right attachment, drawing turned by 180°)
1 Terminal base with PCB
2 Connector
3 Operating lever
4 Adjustment screw
5 Pin
6 Notch mark
7 Switching point indicator
8 Support plate