Siemens OpenAir 121.1E Technical Basics Download Page 2

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Siemens

GMA..1 actuators with spring return

CM2Z4614en

Building Technologies

2017-05-08

Summary of Contents for OpenAir 121.1E

Page 1: ...OpenAir GMA 1 actuators with spring return Technical basics Edition 2 3 CM2Z4614en 2018 01 11 Building Technologies ...

Page 2: ...2 44 Siemens GMA 1 actuators with spring return CM2Z4614en Building Technologies 2017 05 08 ...

Page 3: ... 6 Setting and operator elements 11 3 Technical design 12 3 1 Drive motor and spring return 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 Mo...

Page 4: ...dbus registers 32 7 3 5 Parameter and function description 34 8 Technical data 35 9 Diagrams 37 9 1 Internal diagrams 37 9 2 Cable labeling 37 9 3 Connection diagrams two pos three pos 38 9 4 Connection diagrams modulating 39 9 4 1 Typical application 39 9 4 2 Special switchings for modulating control 40 9 5 Connection diagrams networked 41 9 5 1 Typical application 41 10 Environmental compatibili...

Page 5: ...2005 6 1 19 20 Environmental compatibility and disposal 10 33 Referenced documents 11 2 34 Auxiliary switch 19 10 2006 8 28 Internal diagrams 9 1 29 EU and RCM Conformity 26 02 2016 8 28 European Directive 2012 19 EU 10 33 Added type GMA161 1E MO 08 05 2017 whole document 1 2 About this document This document targets engineering product management and commissioning staff in the market areas This d...

Page 6: ...dulating 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 C...

Page 7: ...pes GMA 121 1E 126 1E 321 1E 326 1E 131 1E 132 1E 136 1E 161 1E 163 1E 164 1E 166 1E 161 1E MO Control type Two position control Three position control Modulating control Modbus RTU Standard version Operating voltage AC 24 V DC 24 48 V X X X X X X X X X AC 24 V DC 24 V X Operating voltage AC 230 V X X Positioning signal Y X X DC 0 10 V DC 0 35 V with characteristic function Uo ΧU X X Modbus RTU X ...

Page 8: ...given by the position indicator Position indication Electronic 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 By Modbus register value Self adaptation of rotary angle range When self adaption is active the actuator automatically...

Page 9: ...ctuator 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 ...

Page 10: ... 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 A bolted metal strip is used for attaching the actuator All actuators have pre wired 0 9 m long standard length connection cables The actuators can be delivered as a type specific variant having th...

Page 11: ...ry switches or feedback potentiometer 8 Locking shaft for gear train 9 Keyhole for manual adjustment 10 Setting shafts for auxiliary switches A and B 11 Position indicator 12 Self centering shaft adapter 13 Locking ring for shaft adapter 14 Adapter for position indicator 15 Turnkey for manual adjustment 9 16 Adjustment tool for auxiliary switches 10 potentiometer 3 4 and locking shaft 8 Rotary dir...

Page 12: ...n force is stored in a spring which returns the actuator to the zero position in the case of power failure 3 2 Rotary range and mechanical limitation The illustration below shows the relationship between the inner and outer mechanical limitation of the rotary range Gear train rotary range Inner mechanical limits 5 0 20 40 60 80 5 95 0 95 97 5 2 5 40 95 Χ 62 5 x 5 7 5 x 1 x 0 Χ 95 x 5 2 5 Χ 95 0 46...

Page 13: ...itches Factory setting A 5 B 85 Setting range 5 90 Switching states Rotary movement as a function of the positioning signal Modulating signal DC 0 10 V AC 24 V DC 24 48 V no movement G G0 Y U opening G G0 Y U ƒ closing G G0 Y U or G G0 Spring return function no voltage Tree position signal AC 24 V DC 24 48 V no movement G G0 opening G G0 Y1 closing G G0 Y2 or G G0 Y1 Y2 ˆ Spring return function no...

Page 14: ...0 2 16 10 24 U Uo U Ys U 4614Z02 Example Positioning signal Y Positioning range Ys Settings Uo ΧU 1 DC 0 2 V 0 100 DC 0 V DC 2 V 2 DC 5 10 V DC 5 35 V 0 17 0 100 DC 5 V DC 30 V 3 DC 0 10 V DC 0 30 V 0 33 0 100 DC 0 V DC 30 V 4 DC 0 10 V 0 100 DC 0 V DC 10 V Characteristic curve for factory setting The Y input is limited to max DC 35 V The adjustable span ΧU is max 30 V Define the adjustable span Χ...

Page 15: ...zone The values for the neutral zone listed in the diagram apply to DC 0 10 V without characteristic function E E E Rotary direction Hysteresis H 70 mV Neutral zone NZ 200 mV Hysteresis H 70 mV Counter clockwise Clockwise 90 0 0 90 4614D03en The diagram shows the relationship between the differential voltage E Y U difference between setpoint Y and actual value U and the rotary direction including ...

Page 16: ...ons of the respective country Regulations by the energy supplier Diagrams cable lists dispositions specifications and instructions as per the customer or the engineering business Third party regulations from e g the general contractors or building contractors Electrical safety in Landis Staefa building automation and control systems primarily depends on extra low voltage with safe isolation from m...

Page 17: ...ransformers the ratio between voltage at idle time to voltage at full load is unsatisfactory 20 Specifications for DC 24 48 V supply Determine the supply by adding up the power consumption in W for all actuators used Fuse of AC 24 V DC 24 48 V operating voltage Transformers secondary side or DC supply According to the effective load of all connected devices Line G system potential must always be f...

Page 18: ...tion is not available separate the interference emitting cables from other cables by a minimum of 150 mm or route in separate ducting Cross high interference cables with equipment susceptible to interference only at right angles When as an exception signal and interference emitting supply cables are run in parallel the risk of interference is very high In this case limit the cable length of the po...

Page 19: ...r from the table below If Ζ 1 SF Nm torque Total then use type with spring return 7 Nm GMA 1 7Nm 14 Nm 2 x GMA 1 2 x 7 Nm 2 or 18 Nm GCA 1 18 Nm 3 36 Nm 2 x GCA 1 2 x 18 Nm 4 1 Safety Factor SF When calculating the number of actuators remember to include non definable variables such as slight misalignment damper age etc as a safety factor We recommend a total safety factor of 0 8 Apply the same fa...

Page 20: ...ine Use the weather protection cover ASK75 3 for any mounting position The mounting bracket see dimensions is required for mounting on the damper shaft The insertion depth for the bolt into the housing must be sufficient and guaranteed The actuator comes with a factory set spring preload of 5 which ensures a tight close off for the air dampers Manual adjustment of the shaft adapter via hex wrench ...

Page 21: ...tion to the permissible voltage drop between the signal and supply lines see table below The line sizing between the controller and the actuators depends on the actuator type used and is determined on the following basis Type Operating voltage Line Max permissible voltage drop GMA12 1 GMA13 1 AC DC 24 V G0 G Y1 Y2 4 each tot 8 of AC DC 24 V GMA16 1 AC 24 V G0 G 4 each tot 8 of AC 24 V DC 24 V G0 G...

Page 22: ...agram C is the primary power consumption for all actuators connected in parallel U ΧU 2 ΧU 2 RL RL L L U ΧU 4614D09 M The maximum line length can be calculated using the following formula Operating voltage Perm voltage drop line Formula for line length AC DC 24 V 4 of AC DC 24 V L P A 1313 Ζm 1 of DC 10 V L DC I A 5 47 Ζm AC 230 V 2 of AC 230 V L 46 P A 1313 Ζm A Line cross section in mm 2 L Permi...

Page 23: ...AC 24 V DC 24 V 5 VA 3 5 W ΧU U max 8 4 each per line GMA32 1 AC 230 V 7 VA ΧU U max 4 2 each per line Use the table or the formulas in chapter 6 1 to determine the permissible line lengths and cross sections 6 3 Actuator wiring three position Three position actuators are supplied AC DC 24 V via the supply lines 1 G and 2 G0 The positioning signal current of about 8 mA is supplied via lines 6 and ...

Page 24: ...e cross section Consumption 2 x 3 5 W 7 W Line current 2 x 0 15 A 0 3 A Max permissible single line length 281 m at 1 5 mm2 line cross section 6 4 Actuator wiring modulating Differentiate between AC 24 V and DC 24 V to determine the permissible line lengths between the positioning module and the actuator The section below discusses the effect of G0 line sizing 6 4 1 AC 24 V supply With AC supply t...

Page 25: ...ength for G G0 98 m at 1 5 mm2 line cross section or 163 m at 2 5 mm2 line cross section 6 4 2 DC 24 V supply With DC supply the G0 line has a DC 0 15 A supply current and a DC 0 1 mA positioning signal current from Y DC 0 10 V The entire DC voltage drop on the G0 line directly impacts positioning signal Y Max permissible voltage drop on G0 line 1 Power consumption Perm voltage drop for line 1 G 2...

Page 26: ...tion 4 x 3 5 W 14 W Line current 4 x 0 15 A 0 6 A Permissible single line length 141 m at 1 5 mm2 line cross section or 235 m at 2 5 mm2 line cross section 6 5 Actuator wiring Modbus RTU The damper actuators are supplied with a prewired connecting and communication cable All interconnected devices must be connected to the same G0 Strand code Strand color Terminal code Description 1 red RD G System...

Page 27: ...he hex wrench in the direction of 90 Check to ensure that the cables are connected in accordance with the plant wiring diagram The operating voltage AC 24 V DC 24 48 V SELV PELV or AC 230 V must be within the tolerance values 7 2 Electrical function check When operating voltage is supplied the actuator must turn from 0 to 90 or to end position for rotary angle limitation After interrupting the ope...

Page 28: ...alues Uo 0 V ΧU 10 V Specify the values set for Uo and ΧU in the plant papers Check of output voltage U DC 0 10 V for rotary angle 90 Measures resistance changes while the actuator turns Switchover of the auxiliary switch contacts A and B as soon as the actuator reaches the respective switching positions Set the setting shafts part of the delivery to the desired value by means of the adjustment to...

Page 29: ...ode 2 press button until LED shines red LED shines red confirmation 3 release button Normal operation Enter Modbus address with push button Press button 1s and 5s See chapter Push button addressing below Enter push button addressing mode for use with Climatix TM controllers 1 Press button 5s and 10s 2 Release button LED shines red and gets dark after 5s LED shines orange Reset to factory settings ...

Page 30: ...hines red confirmation release button An address can be stored at any time i e after setting the 1 digits or after setting the 1 and the 10 digits 5 Entered address is repeated one times for confirmation If button is released before LED shines red the address is discarded Set address 124 1 Enter addressing mode 2 Set 1 digits Press button 4 times LED flashes red per button press 3 Store 1 digits p...

Page 31: ... master programming tool and peripheral devices i e non conflicting addresses and matching baudrate transmission format Full configuration over bus If the address is unique per segment when powered up the device can be accessed by the Modbus master or programming tool and the address and other parameters can then be set to the definitive values Partial configuration over bus If the address is not ...

Page 32: ... Adaptive Mode RW 0 Off 1 On 259 Operating Mode RW 1 POS 260 MinPosition RW 0 01 0 100 261 MaxPosition RW 0 01 0 100 262 Actuator Running Time R s 1 90 513 Backup Mode RW 0 Go to BackupPosition 1 Keep last position 2 Disabled 514 Backup Position RW 0 01 0 100 515 Backup Timeout RW s 1 0 65535 516 Startup Setpoint RW 0 01 0 100 764 Modbus Address RW 1 247 255 unassigned 765 Baudrate RW 0 auto 1 960...

Page 33: ...6 15 R Each register Two bytes each coding an ASCII char ASN is coded beginning with reg 1409 Example 0x47 44 GD 0x42 31 B1 0x38 31 81 0x2E 31 1 0x45 2F E 0x4D 4F MO ASN is GDB181 1E MO 1410 ASN Char_14 13 R 1411 ASN Char_12 11 R 1412 ASN Char_10 9 R 1413 ASN Char_8 7 R 1414 ASN Char_6 5 R 1415 ASN Char_4 3 R Reserve 1416 ASN Char_2 1 R Status Bit 00 1 reserved Bit 06 1 Adaption done Bit 01 1 Back...

Page 34: ...ned off and on again Backup mode 513 514 515 In case the communication to the controller is lost the device can be configured to go into a defined state Default setting mode is keep last setpoint i e in case of communication loss the device controls to the last received setpoint If the backup mode is enabled it can be configured as follows o go to a predefined backup position o keep current positi...

Page 35: ...0 90 Operating voltage AC 230 V wires 3 4 Open 0 90 Operating voltage AC 24 V DC 24 48 V wires 1 2 Open Switching current wires AC 1 6 2 6 DC 2 6 Close Switching current wires AC 1 7 2 7 DC 2 7 AC DC 8 mA AC DC 8 mA Input voltage Y wires 8 2 Current consumption Input resistance Max permissible input voltage Protected against faulty wiring Neutral zone for non adjustable characteristic function for...

Page 36: ...ion Temperature Humidity non condensing Transport Climatic conditions Temperature Humidity non condensing Mechanical conditions IEC 60 721 3 3 class 3K5 interior weather protected 32 55 C 95 r h IEC 60 721 3 2 class 2K3 32 70 C 95 r h class 2M3 Product safety Automatic electrical controls for household and similar use Electromagnetic compatibility Application EU Conformity CE RCM Conformity EAC Co...

Page 37: ...ling All wires are color coded and labeled Pin Cable Meaning Code No Color Abbreviation Actuators G 1 red RD System potential AC 24 V DC 24 48 V AC 24 V G0 2 black BK System neutral DC 24 48 V Y1 6 purple VT Pos signal AC 0 V AC 24 V DC 24 48 V Open Y2 7 orange OG Pos signal AC 0 V AC 24 V DC 24 48 V Close Y 8 grey GY Pos signal DC 0 10 V 0 35 V U 9 pink PK Position indication DC 0 10 V Modbus typ...

Page 38: ...SN System neutral N Controller Y Actuator GMA32 1 L Phase conductor AC 230 V N Neutral conductor GMA131 1 GMA132 1 GMA136 1 AC 24 V SELV PELV AC 24 V DC 24 48 V SELV PELV 4614A03 Y1 G G0 SP SN AC 24 V GMA13 1 1 S2 S3 S5 S6 7 P3 S1 S4 Y 6 P1 P2 Y2 2 N Q1 Q2 4614A04 Y1 GMA13 1 1 S2 S3 S5 S6 7 P3 S1 S4 Y 6 P1 P2 Y2 2 N SP SN AC 24 V DC 24 48 V Q1 Q2 N Controller Y Actuator GMA13 1 SP System potential...

Page 39: ...2en Remains in current position Opens Closes Controller contacts Mounting position of actuator GMA13 1 Closes Rotary direction 9 4 Connection diagrams modulating 9 4 1 Typical application The controller output is connected directly to the actuator input 4614A08 Y N S2 S3 S5 S6 S1 S4 Y G0 1 8 2 9 SP AC 24 V DC 24 48 V P G GMA16 1 SN N Controller Y Actuator GMA16 1 P Position indication SP System po...

Page 40: ...24 48 V P G GMA16 1 K1 K3 SN N Controller Y Actuator GMA16 1 P Position indication SP System potential AC 24 V SN System neutral D Diode e g R4000 K1 K3 Switch contacts 10 V 0 1 mA N Controller Y Actuator GMA16 1 P Position indication SP System potential DC 24 48 V SN System neutral K1 K3 Switch contacts 10 V 0 1 mA K3 K2 K1 4614T01en Operating state Rotary direction Fully closed Fully open Contro...

Page 41: ...ollution To do this note the various material and disposal notes printed on specific parts WARNING Tensioned return spring Opening the actuator housing can release the tensioned return spring resulting in flying parts that may cause injury Do not open the actuator body The device is considered electrical and electronic equipment for disposal in terms of the applicable European Directive and may no...

Page 42: ...ains Actuator dimensions Referenced documents Standards and directives 11 1 Dimensions 4614M02en Mounting bracket 12 min 100 min 100 min 7 10 6 20 180 Dia 5 141 192 60 Dia 10 5 42 31 5 60 81 30 30 3 19 113 2 Taptite M6 x 16 min 150 min 60 min 100 GMA 1 15 900 168 Dia 6 4 20 5 Square 6 4 13 Dimensions in mm Chapter contents ...

Page 43: ...TEP on the company internal Intranet Document number Classification no Title Description Contents N4614en N4614 Data sheet Actuators for air dampers rotary version with spring return GMA 1 Two pos three pos modulating Type overview function and selection criteria A6V101037201 Data sheet Air Damper Actuators Modbus RTU GMA GCA Spring return types Type overview function and selection criteria Z4614e...

Page 44: ...ounted actuators or Powerpack ASK73 3 74 319 0431 0 M4615 External auxiliary switches ASC77 HD 384 Electrical installations in buildings EN 61 558 Safety of transformers power supply units and similar equipment EN 60 730 Automatic electrical controls for household and similar use IEC EN 61 000 6 1 Electromagnetic compatibility Immunity IEC EN 61 000 6 2 Electromagnetic compatibility Immunity IEC E...

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