Siemens OpenAir GLB141.1P

OpenAir™ GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator Technical Instructions
Document Number 155-785
January 20, 2017
Siemens Industry, Inc. Page 7
Auxiliary Switches
GLB146.1P, GLB346.1U, GLB166.1P
Figure 10 shows the adjustable switching values for auxiliary Switches A and B.
Actuator Scale:
Clockwise
Adjustment range for
Switches A and B
Setting interval: 5°
Switching hysteresis: 2°
Actuator Scale:
Counterclockwise
Figure 10. Adjustable Switching Values
for the Dual Auxiliary Switches.
NOTE: The auxiliary switch setting shafts rotate with the actuator. The scale is valid only
when the actuator is in the 0 position on clockwise motion.
Use the long arm of the † (AUX SWITCH ADJUSTMENT) to point to the position of Switch A. Use
the narrower tab on the red ring to point to the position of Switch B.
Rotation Direction
GLB14x.1P, GLB34x.1U
Two-position/Floating
Control
Figure 11. Setting the Rotation Direction.