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Siemens OpenAir GMA 1 Series Technical Basics

Actuators with spring return
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OpenAir
GMA..1 actuators with spring return
Technical basics
Edition 2.3
Building Technologies
CM2Z4614en
2018-01-11

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  Summary of Contents for Siemens OpenAir GMA 1 Series

  • Page 1  OpenAir GMA..1 actuators with spring return Technical basics Edition 2.3 Building Technologies CM2Z4614en 2018-01-11...
  • Page 2 2/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2017-05-08...
  • Page 3: Table Of Contents

    Actuator wiring (modulating) ............... 24 6.4.1 AC 24 V supply ................... 24 6.4.2 DC 24 V supply ................... 25 Actuator wiring (Modbus RTU)..............26 Commissioning notes.................. 27 3/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies Table of contents 2018-01-11...
  • Page 4 Connection diagrams (networked) .............. 41 9.5.1 Typical application ..................41 Environmental compatibility and disposal ........... 41 Appendix ..................... 42 11.1 Dimensions ....................42 11.2 Referenced documents ................43 4/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies Table of contents 2018-01-11...
  • Page 5: Introduction

    It offers all information on engineering, correct mounting and wiring, commissioning, and service. Referenced documents Chapter 11.2 "Referenced documents" contains a list of documents on rotary and linear actuators with accessories. 5/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 6: Document Contents

    ∂ Notes on engineering and safety-specific guidelines and regulations ∂ Notes on mounting, wiring, and commissioning ∂ Technical data ∂ Connection diagrams ∂ Notes on environmental compatibility and disposal 6/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 7: Spring-Return Actuators

    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 External auxiliary switches ASC77..E Data sheet for accessories and spare parts N4697 7/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 8: Description Of Functions

    "90°" – open" direction) or by shortly supplying operating voltage The rotary angle range can be limited mechanically Rotary angle limitation by inserting the shaft adapter in 5° increments. 8/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 9: Function Description Supplement For Gma16

    GMA12..1 Two-position AC 230 V GMA32..1 Three-position AC 24 V or DC 24…48 V GMA13..1 DC 0...10 V / DC 0...35 V GMA16..1 Modulating GMA161.1E/MO Modbus RTU Modbus RTU 9/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 10: Structure And Design

    The HMI of networked types consists of a push button and an LED to allow certain at external Interface interactions with the actuator or to provide visible feedback from the actuator. 10/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies...
  • Page 11: Setting And Operator Elements

    (10), potentiometer (3, 4), and locking shaft (8) Rotary direction, dependent on mounting position Arrangement of shaft For long damper shafts For short damper shafts adapter 90° 90° 11/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 12: Technical Design

    = number of steps (5°) · · Χ = 62.5° ② incl. gear train presetting Χ = 95°-x 5° +2.5° x >1 · Χ = 95° x = 0 12/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 13: Auxiliary Switches And Positioning Signals

    0° limit. Adjustment tool The adjustment tool is used to set the auxiliary switches; it is part of the delivery (type- specific). 13/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 14: Adjustable Characteristic Function

    Ζ ∴ Ζ ∴ ∋ ∋ < √ < √ < Δ Ζ ∴ Span Potentiometer settings Χ Uo = 2 V, U = 16 V 14/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 15: Neutral Zone

    For DC 0...35 V (with characteristic function) the following values apply: Actuators Χ GMA163.1, 164.1 Neutral zone NZ = 2 % of span Hysteresis H = 0.7 % of span Χ (DC 0...35 V) 15/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 16: Engineering Notes

    G0 respective manufacturers. ∂ To avoid earth loops, connect systems with PELV to the earth at only one end in the system, normally at the transformer, unless otherwise specified. 16/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 17: Device-Specific Regulations

    Mount max. two actuators on the same damper shaft. ∂ Use the mounting bracket to secure the second actuator also (see accessories in chapter 2.2). ∂ Do not mechanically connect modulating GMA16..1 actuators. 17/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 18: Notes On Emc Optimization

    = Torque rating [Nm/m × damper area [m Total torque Instead of the torque rating, the total torque can also be determined from the manufacturer's sizing diagrams. 18/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 19 GCA...1. If the actuator torque is greater than 18 Nm, two actuators of type series GCA...1 can mechanically be connected and mounted on the damper shaft. 19/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies...
  • Page 20: Mounting Notes

    2.2 "Type summary") as per the separate mounting instructions. Tandem (Powerpack) When mounting two actuators on the same damper shaft (for GMA12..1, 32..1, 13..1,) mounting use the ASK73.3 mounting bracket. 20/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 21: Wiring Notes

    ∂ In the case of improper sizing of the G0 line, actuator load changes may cause natural oscillation due to a change in the DC voltage drop. ∂ The supply voltage loss at AC 24 V may not exceed 8% (4% over G0 line). 21/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies...
  • Page 22 Permissible line length in [m] Power consumption in [VA] or [W]; The value is printed on the actuator's type plate. DC current portion in line G0 in ΖA∴ I(DC) 22/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 23: Actuator Wiring (Two-Position)

    1 (G), 2 (G0), 6 (Y1), 7 (Y2) AC 24 V 5 VA Χ U/U = max. 8 % (4 % each per line) DC 24 V 3.5 W 23/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 24: Actuator Wiring (Modulating)

    Y. one actuator Power Perm. voltage drop for line Operating voltage consumption 1 (G), 2 (G0) AC 24 V 5 VA 4 % of AC 24 V 24/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 25: Dc 24 V Supply

    Positioning signal: 1 % of 0.001 W Y = DC 0...10 V DC 10 V Position indicator: 1 % of 0.01 W U = DC 0...10 V DC 10 V 25/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 26: Actuator Wiring (Modbus Rtu)

    The operating voltage at terminals G and G0 must comply with the requirements under Note SELV or PELV. Safety transformers with twofold insulation as per EN 61558 required; they must be designed to be on 100 % of the time. 26/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 27: Commissioning Notes

    2 – 6 / 2 – 7 open After interrupting the operating voltage, the actuator must return to the zero position. Note Check the actuator operating states as per the truth table in chapter 9.3. 27/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 28 The angle values are valid only for the zero position of the actuator and when no current is applied. Factory setting The auxiliary switches have the following settings: ∂ Switch A: Switchover point at 5°. ∂ Switch B: Switchover point at 85°. 28/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 29: Modbus

    1s on / 5s off Internal error 0.1s on / 1s off Invalid configuration, e.g. Min = Max Blue Flashes 1x after address Bus termination is set active. display 29/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 30: Push Button Addressing

    3. Set 10-digits: Press button 5-times → LED flashes green per button press 4. Store address (skip 100-digits): hold button pressed until LED shines red – release button → address is stored and displayed 1x for confirmation 30/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 31: Commissioning

    ∂ Damper actuator parameters (opening direction, position limits, position adaptation etc.) can be checked via the Modbus register. The documents can be downloaded from http://siemens.com/bt/download The devices can be configured over bus if the pre-commissioning settings allow for a Workflow 2 connection between the Modbus master / programming tool and peripheral devices (i.e.
  • Page 32: Modbus Registers

    Bus Termination 0 = Off / 1 = On Bus Conf. Command 0 = Ready / 1 = Load / 2 = Discard Status See below, Register 769 “Status” 32/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 33 Function codes codes 03 (0x03) Read Holding Registers 04 (0x04) Read Input Registers 06 (0x06) Write Single Register 16 (0x10) Write Multiple Registers (Limitation: Max. 120 registers within one message) 33/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 34: Parameter And Function Description

    The self test is not passed when the limits were not reached from the lower end (results in jam). If the Min/Max limits can be exceeded, the self test is not evaluated as failed. 34/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies...
  • Page 35: Technical Data

    DC 0...5 V function for GMA163.1, 164.1 Span ΧU DC 2...30 V Max. permissible input voltage DC 35 V Protected against faulty wiring max. AC 24 V/DC 24…48 V 35/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 36 1.2 kg GMA321.1, 326.1 1.3 kg GMA161.1E/MO 1.4 kg The documents can be downloaded from http://siemens.com/bt/download The product environmental declaration contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal). 36/44 Siemens GMA..1 actuators with spring return...
  • Page 37: Diagrams

    Switch B normally-closed contact black/pink BK PK Switch B normally-open contact Feedback white/red WH RD Potentiometer 0...100 % (P1-P2) potentiometer white/blue WH BU Potentiometer pick-off white/pink WH PK Potentiometer 100...0 % (P3-P2) 37/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 38: Connection Diagrams (Two-Pos./Three-Pos.)

    Controller Actuator GMA13..1 Actuator GMA13..1 System potential AC 24 V System potential AC 24 V/DC 24…48 V System neutral System neutral Q1, Q2 Switch contacts Q1, Q2 Switch contacts 38/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 39: Connection Diagrams (Modulating)

    The controller output is connected directly to the actuator input. GMA16..1 (G0) GMA16..1 Controller S2 S3 S5 S6 Actuator GMA16..1 Position indication System potential AC 24 V/DC 24…48 V System neutral 39/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 40: Special Switchings For Modulating Control

    Mounting position for actuator GMA16..1 Note *) Actuators with adjustable characteristic function: Full opening cannot be reached GMA163.1, 164.1 (dependent on Uo, Χ U) in this position (switch contact K2). 40/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 41: Connection Diagrams (Networked)

    (by means of special tools) and dispose of such actuators. Environmental declaration The environmental declarations for these actuators contain detailed information on the materials and volumes used. Request a declaration at your local dealership. 41/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 42: Appendix

    Actuator dimensions ∂ Referenced documents ∂ Standards and directives 11.1 Dimensions 10.6 Dia.5 GMA...1 Dia. 6.4...20.5 Square 6.4...13 Taptite M6 x 16 Mounting bracket min.60 min.100 Dimensions in mm 42/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 43: Referenced Documents

    Instructions on mounting a 74 319 0108 0 Mounting instructions : rotary actuator with spring GMA...1. (M4614) return. Installation Instruction: Installation of types with A6V101006034 G..161../MO S..6../MO external Modbus interface. 43/44 Siemens GMA..1 actuators with spring return CM2Z4614en Building Technologies 2018-01-11...
  • Page 44 Siemens Switzerland Ltd Building Technologies Division International Headquarters Theilerstrasse 1a 6300 Zug Switzerland Tel. +41 58-724 24 24 © Siemens Switzerland Ltd, 2005 Technical specifications and availability subject to change without notice. www.siemens.com/buildingtechnologies 44/44 Siemens GMA..1 actuators with spring return CM2Z4614en...