Siemens GEB 1 Series Installationsanleitung

OpenAir

Actuators without spring return GEB…1

Technical basics

CM2Z4621en

2017-05-26

Building Technologies

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Building Technologies Table of contents 2017-05-26

Table of contents

1Introduction ................................................................................................... 5

1.1 Revision history............................................................................................. 5

1.2 About this document ..................................................................................... 5

1.3 Document contents....................................................................................... 5

2Non spring-return actuators .......................................................................... 6

2.1 Application .................................................................................................... 6

2.2 Type summary .............................................................................................. 7

2.3 Description of functions................................................................................. 8

2.3.1 Description of functions for GEB...1.............................................................. 8

2.3.2 Supplementary information on the description of functions for GEB16..1 .... 9

2.4 Controllers................................................................................................... 10

2.5 Structure and design................................................................................... 10

2.6 Setting and operator elements.................................................................... 11

3Technical design......................................................................................... 12

3.1 Motor technology ........................................................................................ 12

3.2 Rotary range and mechanical limitation...................................................... 12

3.3 Auxiliary switches and positioning signals .................................................. 13

3.4 Adjustable characteristic function ............................................................... 14

3.5 Neutral zone................................................................................................ 15

4Engineering notes....................................................................................... 16

4.1 Safety notes ................................................................................................ 16

4.2 Device-specific regulations ......................................................................... 17

4.3 Notes on EMC optimization ........................................................................ 18

4.4 Determining the actuator............................................................................. 18

5Mounting notes ........................................................................................... 20

6Wiring notes ................................................................................................ 21

6.1 Permissible line length and cross-sectional areas...................................... 21

6.2 Actuator wiring (three-position) ................................................................... 23

6.3 Actuator wiring (modulating) ....................................................................... 24

6.4 Actuator wiring (Modbus RTU).................................................................... 25

7Commissioning notes.................................................................................. 25

7.1 General checks ........................................................................................... 25

7.2 Electrical function check ............................................................................. 26

7.3 Modbus ....................................................................................................... 28

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7.3.1 HMI – Human-machine interface ................................................................28

7.3.2 Push button addressing ..............................................................................29

7.3.3 Commissioning............................................................................................30

7.3.4 Modbus registers.........................................................................................31

7.3.5 Parameter and function description ............................................................33

8Technical data .............................................................................................34

9Diagrams.....................................................................................................36

9.1 Internal diagrams ........................................................................................36

9.2 Cable labeling .............................................................................................37

9.3 Connection diagrams (three-position control) .............................................38

9.4 Connection diagrams (modulating) .............................................................39

9.4.1 Typical application.......................................................................................39

9.4.2 Special switchings for modulating control ...................................................39

9.5 Connection diagrams (networked) ..............................................................40

9.5.1 Typical application.......................................................................................40

10 Environmental compatibility and disposal ...................................................40

11 Appendix .....................................................................................................41

11.1 Dimensions .................................................................................................41

11.2 Referenced documents ...............................................................................43

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1 Introduction

1.1 Revision history

Changes Date Chapter Pages

Accessories (Ext. auxiliary switches ASC77..) 10.01.2005 2.2 6

Referenced documents (ASC77..) 11.2 33

Electrical parallel connection of actuators

07.02.2005

4.2 16

Determining the actuator type 4.4 18

Permissible line length and cross-sectional areas 6.1 20/21

Environmental compatibility and disposal 10 31

Referenced documents 11.2 32/33

EU and RCM Conformity 26.02.2016 827

European Directive 2012/19/EU 10 31

Added type GEB161.1E/MO 26.05.2017 whole document

1.2 About this document

This document targets engineering, product management, and commissioning staff in

the market areas.

This document provides basic knowledge. In addition to background information, it

contains general technical fundamentals on the GEB…1 actuator series.

It offers all information on engineering, correct mounting and wiring, commissioning,

and service.

Chapter 11.2 Referenced documents contains a list of documents on rotary and linear

actuators with accessories.

1.3 Document contents

This document contains basic technical information on type series GEB...1 for:

∂Three-position control

∂Modulating control, and

∂Modbus communication

The following topics are discussed:

∂Type overview and description of the available options

∂Applications and functions

∂Actuator design including setting and operator elements

∂Adjustable auxiliary switches and characteristic function

∂Notes on engineering and safety-specific guidelines and regulations

∂Notes on mounting, wiring, and commissioning

∂Technical data

∂Diagrams

∂Environmental compatibility and disposal

Main audience

Purpose

Referenced documents

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2 Non spring-return actuators

This chapter provides information on application, functions, and device combinations.

Furthermore, it contains a type overview and explains the actuator design including

setting and operator elements for this family of actuators.

2.1 Application

The actuators are used in ventilating and air conditioning plants to operate air dampers

and air throttles:

∂For damper areas up to 3 m2, friction-dependent.

∂Suitable for modulating controllers (DC 0...10 V) or three-position controllers

(e.g. for outside air dampers).

∂For dampers having two actuators on the same damper shaft (tandem-mounted

actuators or Powerpack).

Introduction

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2.2 Type summary

The following table shows the options for the actuator types.

GEB.... 131.1E 132.1E 136.1E 331.1E 332.1E 336.1E 161.1E 163.1E 164.1E 166.1E 161.1E/MO

Three-position control Modulating control Modbus RTU

Operating voltage

AC 24 V X X X X X X X X

Operating voltage

AC 230 V X X X

Positioning signal input Y

DC 0...10 V X X X X

DC 2...10 V X X

DC 0...35 V

with characteristic

function

X X

Modbus RTU X

Position indicator

U = DC 0...10 V X X X X

Modbus RTU X

Feedback potentiometer

1kςX X

Self-adaptation of rotary

angle range X X X X X

Auxiliary switches (two) X X X X

Rotary direction switch X X X X

Powerpack (two actuators,

tandem-mounted) X X X X X X

For functional enhancements of the actuators, the following accessories are available:

External auxiliary switches (1 switch) ASC77.1

External auxiliary switches (2 switches) ASC77.2

Universal lever ASK71.9

Rotary/linear set for duct and wall mounting ASK71.11

Rotary/linear set with lever ASK71.13

Rotary/linear set with lever and mounting plate ASK71.14

Weather protection cover ASK75.3

Mounting bracket for tandem-mounted actuators or Powerpack ASK73.3

Data sheet for accessories and spare parts N4697

Accessories, spare parts

Accessories

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2.3 Description of functions

2.3.1 Description of functions for GEB...1

The functions are listed in a table and are assigned to the respective control types.

Type GEB13..1 / GEB33..1 GEB16..1 GEB161.1E/MO

Control type Three-position control Modulating control. Modbus RTU

Positioning signal with adjustable

characteristic function -

Y = DC 0...35 V with

offset Uo = 0...5 V and

span ΧU = 2...30 V

Rotary movement,

rotary direction

Clockwise or counter-clockwise direction depends:

On the type of control.

With no power applied, the actuator

remains in the respective position.

∂On the direction of the DIL

rotary direction switch.

∂On the positioning signal.

The actuator stays in the

position reached:

∂If the positioning signal is

maintained at a constant

value.

∂If the operating voltage is

interrupted.

On the setting of the

respective parameter

Position indication:

Mechanical Rotary angle position indication by using a position indicator.

Position indication:

Electrical

Connecting the feedback

potentiometer to an external voltage

source results in voltage supply

proportional to the rotary angle.

∂Position indicator: Output

voltage U = DC 0...10 V is

generated proportional to

the rotary angle.

∂Only for GEB16..1:

The direction of action

(inverted or not inverted)

of output voltage U

depends on the rotary

direction of the DIL switch.

By Modbus register value

Self-adaptation of rotary angle

range -

∂The actuator automatically

determines the

mechanical end of range

for the rotational angle.

∂The characteristic function

(Uo, ΧU) is mapped to the

determined rotary angle

range.

When self-adaption is active,

the actuator automatically

detects mechanical end of the

rotary angle range.

Auxiliary switch The switching points for auxiliary switches A and B can be set independent of each other in

increments of 5° within 5° to 90°.

Response on damper blocking .- The actuator is equipped with an automatic switch-off

mechanism.

Powerpack (two actuators,

tandem-mounted)

Mounting two actuators of the same

type on the same damper shaft

doubles the torque.

Not permitted.

Manual adjustment The actuator can be manually adjusted by pushing the gear train disengagement button.

Rotary angle limitation The rotary angle for the shaft adapter can be limited mechanically

by inserting the shaft adapter in 5° increments.

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2.3.2 Supplementary information on the description of

functions for GEB16..1

The following information applies to modulating actuators.

Offset Uo and span ΧU can be adjusted using two potentiometers (see 3.4 "Adjustable

characteristic function"). The maximum permissible input voltage (Uo + ΧU) is DC 35 V.

Actuators featuring this function can be used for the following applications:

∂Dampers with a rotary angle limitation, for instance in the 0°...45° range, can be

controlled using the full positioning signal range DC 0...10 V.

∂As a sequencing actuator in control loops that can only apply a DC 0...10 V

positioning signal to control more than one sequence.

∂In control systems with a positioning signal deviating from DC 0...10 V such as

DC 2...10 V or DC 0…35 V.

The actuator automatically determines the mechanical end of range for the rotary angle

on:

∂Activated self-adaptation and switching-on of operating voltage.

∂Switch-on and switch-off for self-adaptation when operating voltage is supplied.

The table shows the different effects of the characteristic function's mapping to the

rotary angle range for "inactive self-adaptation" and "active self-adaptation" (see also

chapter 3.4 "Adjustable characteristic function").

Inactive self-adaptation Active self-adaptation

∂The actuator maps the

characteristic function (Uo, ΧU) to

the positioning range Ys = 100 %

for rotary

angle 90°.

∂The actuator calibrates the position

indication with U = DC 0...10 V for

rotary angle 90°.

∂The actuator maps the characteristic

function (Uo, ΧU) to the positioning range

Ys = 100 % for the determined rotary

angle range.

∂The actuator calibrates the position

indication with U = DC 0...10 V for the

determined rotary angle range.

All process values (setpoints and actual values) and all parameters are implemented as

Modbus RTU registers.

The actuator automatically determines the effective rotary angle range when the

respective parameter is set to “on”. In that case the actuator performs a calibration run

at first startup to determine its actual opening range and adjusts the 0..100% feedback

signal to this opening range.

The table shows the different effects of the characteristic function’s mapping to the

rotary angle range for “inactive self-adaptation” and “active self-adaption”:

Inactive self-adaption Active self-adaption

∂The actuator calibrates the position

indication with Actual Position =

0..100% for rotary angle = 90°

∂The actuator calibrates the position

indication with Actual Position = 0..100%

for rotary angle < 90°

Supplement

Characteristic function

(GEB163.1, GEB164.1)

Application

Self-adaptation of the

rotary angle range

(GEB16..1)

Process values and

parameters

GEB161.1E/MO

Self-adaption of the

rotary angle range

GEB161.1E/MO

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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 Controller output

GEB13..1 Three-position AC 24 V

GEB33..1 Three-position AC 230 V

GEB16..1 Modulating DC 0...10 V / DC 2...10 V /

DC 0...35 V

GEB161.1E/MO Modbus RTU 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 ΧU are accessible on the

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.

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)

Feed

back potentiometer to

position indication

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