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Controllers; Structure And Design - Siemens OpenAir GEB 1 Series Technical Basics

Actuators without spring return
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Description
Housing
Gear train
Self-centering shaft
adapter
Manual adjustment
Mounting bracket
Electrical connection
Type-specific elements
Auxiliary switch
Potentiometer for offset
and span
DIL switch
(only for GEB16..1)
Feedback potentiometer to
position indication
10/44
Siemens
Building Technologies
2.4

Controllers

The actuators can be connected to all controllers having the following outputs.
All safety-related requirements must be met (see chapter 4 "Engineering notes").
Actuator type
Control type
Three-position
GEB13..1
Three-position
GEB33..1
Modulating
GEB16..1
GEB161.1E/MO
Modbus RTU
2.5

Structure and design

The electronic motor-driven GEB..1 electronic actuators are available for three-position,
modulating and networked control. The maximum torque is 15 Nm. The actuator's
connection cables are prewired.
Robust, light-weight full metal housing from aluminum diecast. The housing guarantees
a long actuator life even under harsh environmental conditions.
Maintenance-free and noise-free gear train with stall and overload protection for the life
of the actuator.
This mounting type allows for fastening the actuator to shafts with various diameters
and in various shapes (square, round) using just one screw.
Insert the shaft adapter from either side into the opening for the shaft adapter.
For short shafts, the shaft adapter is on the duct side.
The shaft adapter coupling and the adapter holding are coupled by means of double-
sided gearing.
When no voltage is supplied, you can manually adjust the actuator or the air damper by
pressing the gear train disengagement button.
A bolted metal strip is used to attach the actuator.
All actuators have pre-wired 0.9 m long connection cables.
The actuators can be delivered as a type-specific variant having the following elements:
For supplementary functions, you can adjust auxiliary switches A and B on the actuator
front.
Both potentiometers for the characteristic functions Uo and
front.
The DIL switches exist only in modulating actuators and are accessible from the front
(see chapter 2.6 "Setting and operator elements").
The potentiometer is integrated and can be connected by means of a cable.
Actuators without spring return GEB...1
Controller output
AC 24 V
AC 230 V
DC 0...10 V / DC 2...10 V /
DC 0...35 V
Modbus RTU
Χ
U are accessible on the
CM2Z4621en
2017-05-26

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