Operating Instructions for Actuators Type AB with Control Unit
OM-ENGLISH-ABCSC.V1.2-16xx-V2.02-2023.04.27 5 Commisioning
Figure 20: 1. . . potentiometer
for position sensing,
2. . . slotted shaft for
turning the poten-
tiometer
Figure 21: 1. . . mechanical
position indicator
Figure 22: 1. . . mechanical
position indicator,
2. . . wheel turning the
potentiometer
Figure 23: 1. . . absolute value of the position unit, 3. . . value for the torque unit (is factory adjusted)
For the set up of the end positionsl see section 5.8, page 18.
The abobe transmitter gear is made according to the customer’s specifications. If another travel of the actuator
is necessary, a new transmitter gearbox can be supplied.
5.4 Adjustment of the mechanical position indication (Option)
The adjustment of the mechanical position indication should be done together with the mechanical pre-setup.
Vorgehensweise:
• Switch with the hand lever to manual operation (see section 5.2, page 15) and turn the actuator to the
next end position.
• Remove cover of the signalling unit
• turn Indicator slide according below end position:
– when the actuator in in the closed position: Display with the filled circle
– when the actuator is in the open position: Display with the circle
• move the actuator to the other end position and turn the other Indicator slide. It is necessary that you
hold the second slide in its earlier set position.
• Check the clamping screw
• Close cover of the signalling unit. Take special care upon reassembly so that seals are not damaged and
remain properly fastened
17
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