User Manual
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Siem ens Actuators without spring return GEB…1 CM2Z4621en
Building Technologies Table of contents 2017-05-26
Table of contents
1 Introduction ................................................................................................... 5
1.1 Revision history............................................................................................. 5
1.2 About this document ..................................................................................... 5
1.3 Document contents ....................................................................................... 5
2 Non 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
3 Technical 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
4 Engineering 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
5 Mounting notes ........................................................................................... 20
6 Wiring 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
7 Commissioning notes.................................................................................. 25
7.1 General checks ........................................................................................... 25
7.2 Electrical function check ............................................................................. 26
7.3 Modbus ....................................................................................................... 28










