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Siemens

Technische Grundlagen: Drehantriebe GEB...1

CM2Z4621en

Building Technologies

2017-05-26

The following sections show how to determine the permissible line length and cross
sections for the various actuators based on examples.
The examples for actuators connected in parallel apply to the following arrangement:

L1

L2

A1

L2

L2

A2

L2

A3

A4

L1

G0

G0

G0

G0

G0

G0

G

G

G

G

G

G

Controller

4

61

4S

0

1e

n

The line resistances of L2 are equal and can be ignored for L1. Separately calculate the
permissible line lengths L2 for other connections (ring, star-like).

6.2 Actuator wiring (three-position)

In three-position actuators, only the situation as presented under

AC 24 V

is important.

Sizing occurs via lines 1 (G), 6 (Y1), and 7 (Y2).

The table shows the main power consumption of an actuator as well as the permissible
voltage drop.

Operating
voltage/pos. signal

Power
consumption

Perm. voltage drop for line

1 (G), 6 (Y1), 7 (Y2)

AC 24 V

3.5 VA

Χ

U/U = max. 8 % (4 % each per line)

The diagram shows the currents in the connecting lines for

one actuator

.

4

62

1

G

0

6

M

AC 24 V

AC 0,15 A

G

Y1

Y2

GEB13...

1

7

6

0 V

0 V

Determining the line lengths for two actuators GEB13..1 and AC 24 V supply.
Only the currents in line 1 (G) and 6 (Y1) or 7 (Y2) determine the line sizing.
Max. permissible voltage drop =

4% per line

(total 8 %).

∂

Consumption = 2 x 3.5 VA = 7 VA.

∂

Line current = 2 x 0.15 A = 0.3 A.

Max. permissible single line length: 280 m at 1.5 mm

2

line cross section.

Line length for actuators
connected in parallel

Assumption

Actuators with three-
position control

GEB13..1

Power consumption and
perm. voltage drop with
one actuator

P&I diagram:
Conduction currents at
AC 24 V

Example:

Parallel connection of two
actuators

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Содержание GEB 1 Series

Страница 1: ...OpenAir Actuators without spring return GEB 1 Technical basics CM2Z4621en 2017 05 26 Building Technologies ...

Страница 2: ...2 44 Siemens Actuators without spring return GEB 1 CM2Z4621en Building Technologies 2017 05 26 ...

Страница 3: ...gn 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...

Страница 4: ...d function description 33 8 Technical data 34 9 Diagrams 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 ...

Страница 5: ...rovides 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...

Страница 6: ...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 s...

Страница 7: ...X Modbus RTU X Feedback potentiometer 1kς X 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...

Страница 8: ...er 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 auto...

Страница 9: ...teristic 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...

Страница 10: ...uare 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 bol...

Страница 11: ...k potentiometer 9 Disengagement button for gear train 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 Adjustment tool for auxiliary switches 10 potentiometer 4 5 For long damper shafts For short damper shafts 4621Z30 90 4 5 13 12 90 45 4621Z33 11 90 4 5 4621Z32 13 12 14 90 ...

Страница 12: ...tect both actuator and dampers 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 90 2 5 0 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 4621D03 1 2 Outer mechanical limits Adapter setting range Actuator ro...

Страница 13: ...4 5 6 5 0 4 0 30 2 0 10 50 6 0 70 8 0 9 0 A B 4614Z03en Aux Switch Adjustment Auxiliary switches 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 no movement G G0 Y U opening G G0 Y U ƒ closing G G0 Y U or G G0 Three position signal AC 24 V AC 230 V no movement no voltage opening G Y1 or N Y1 cl...

Страница 14: ...4 0 1 3 5 Uo 30 2 16 10 24 U Uo U Y s 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 4 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 ...

Страница 15: ...s the setting characteristics by including the neutral 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...

Страница 16: ...allation regulations of the respective country Regulations by the energy supplier Diagrams cable lists dispositions specifications and instructions as per the customer or the engineering company 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 ...

Страница 17: ...utral Fuse of AC 230 V mains voltage Transformers primary side as per the applicable installation regulations of the respective country 4 2 Device specific regulations Safety for the devices is ensured by among other aspects Supply of AC 24 V extra low voltage as per SELV or PELV Double isolation between AC 230 V mains voltage and SELV PELV circuits Three position actuators GEB13 1 and GEB33 1 Mou...

Страница 18: ...d interference emitting supply cables are run in parallel the risk of interference is very high In this case limit the cable length of the positioning signal line DC 0 10 V for modulating actuators We recommend to use unshielded cables When selecting unshielded cables follow the manufacturer s installation recommendations In general unshielded twisted pair cables have sufficient EMC characteristic...

Страница 19: ... torque total then use type 15 Nm GEB 1 15 Nm 25 Nm GBB 1 25 Nm 2 30 Nm 2 x GEB 1 2 x 15 Nm 3 35 Nm GIB 1 35 Nm 4 70 Nm 2 x GIB 1 2 x 35 Nm 5 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 factor when calculating the actuato...

Страница 20: ...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 setting of 2 5 which ensures a tight close off for the air dampers The actuator can be manually adjusted by pushing the gear train disengagement button To ensure a tight close off function for the dampers and the exact switching position fo...

Страница 21: ...d the actuators depends on the actuator type used and is determined on the following basis Type Operating voltage Line Max permissible voltage drop GEB13 1 AC 24 V G Y1 Y2 4 each tot 8 of AC 24 V GEB16 1 AC 24 V G0 G G0 Y U 4 each tot 8 of AC 24 V 1 of DC 10 V GEB33 1 AC 230 V L N 2 each tot 4 of AC 230V Consider the following criteria For modulating control The permissible positioning signal erro...

Страница 22: ...I diagram P 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 24 V 4 of AC 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 Permiss...

Страница 23: ...ble shows the main power consumption of an actuator as well as the permissible voltage drop Operating voltage pos signal Power consumption Perm voltage drop for line 1 G 6 Y1 7 Y2 AC 24 V 3 5 VA ΧU U max 8 4 each per line The diagram shows the currents in the connecting lines for one actuator 4621G06 M AC 24 V AC 0 15 A G Y1 Y2 GEB13 1 7 6 0 V 0 V Determining the line lengths for two actuators GEB...

Страница 24: ...ts in the connecting lines for one actuator M 0 V AC 0 23 A G0 AC 24 V AC 0 23 A DC 0 10 V G Y U GEB16 4621G07 1 2 9 8 DC 0 10 V Determining the line lengths for four actuators GEB16 1 and AC 24 V supply Only the AC currents in line 1 G and 2 G0 determine the line sizing Max permissible voltage drop 4 per line Consumption 4 x 5 5 VA 22 VA Line current 4 x 0 23 A 0 92 A Permissible single line leng...

Страница 25: ...ation necessary for commissioning is contained in the following This document Technical basics Z4621en Mounting instructions 74 319 0109 0 M4621 HVAC plant diagram 7 1 General checks Check to ensure that all permissible values as contained in chapter 8 Technical data are observed Check for proper mounting and to ensure that all mechanical settings correspond to the plant specific requirements Addi...

Страница 26: ...plant papers Check of output voltage U For inactive self adaptation U DC 0 10 V for rotary angle 90 For active self adaptation U DC 0 10 V for determined rotary range Measures resistance changes while the actuator turns from 0 to 90 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 t...

Страница 27: ...ry setting 0 2 0 Alternate setting 2 DC 2 10 V 0 DC 0 10 V Factory setting 0 C 0 Alternate setting C DC 0 35 V Comfort with characteristic function 0 DC 0 10 V without characteristic function Factory setting 0 Self adaptation Positioning signal without characteristic function GEB161 1 GEB166 1 Positioning signal with without characteristic function GEB163 1 GEB164 1 ...

Страница 28: ... mode 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 setting...

Страница 29: ...D shines 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 digit...

Страница 30: ...s 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...

Страница 31: ...58 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 1 150 513 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 ...

Страница 32: ..._16 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 Ba...

Страница 33: ...turned 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 pos...

Страница 34: ... 8 2 Current consumption Input resistance Max permissible input voltage Protected against faulty wiring Neutral zone for non adjustable characteristic function for adjustable characteristic function Hysteresis for non adjustable characteristic function for adjustable characteristic function DC 0 10 V 2 10 V 0 1 mA 100 kς DC 35 V max AC 24 V 200 mV 2 of ΧU 70 mV 0 7 of ΧU Communication Modbus RTU R...

Страница 35: ...y non condensing Transport Climatic conditions Temperature Humidity non condensing Mechanical conditions IEC 721 3 3 class 3K5 interior weather protected 32 55 C 95 r h IEC 721 3 2 class 2K2 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 EN 60 730 2 14 type 1 For residenti...

Страница 36: ...Q24 Q22 1 S2 S3 S5 S6 7 P3 S1 S4 Q11 Q21 B Y1 b c 6 P1 P2 AC 24 V M AC 230 V 4621G02 A 100 0 Y2 AC 230 V 0 1000 ς AC 24 V 230 V 6 2 A GEB33 a N Q12 Q14 Q24 Q22 4 S2 S3 S5 S6 7 P3 S1 S4 Q11 Q21 B Y1 b c 6 P1 P2 M GEB16 1 AC 24 V M 4621G03 A 100 0 DC 0 10 V G DC 0 10 V Y G0 U Q12 Q14 Q24 Q22 2 9 S2 S3 S5 S6 1 8 S1 S4 Q11 Q21 B AC 24 V 230 V 6 2 A GEB16 AC 24 V Three position control Modulating contr...

Страница 37: ...et VT Reference Modbus RTU 8 gray GY Bus Modbus RTU 9 pink PK Bus Modbus RTU Actuators AC 230V N 4 blue BU Neutral conductor Y1 6 black BK Positioning signal AC 230 V clockwise Y2 7 white WH Pos signal AC 230 V counterclockwise Auxiliary switches Q11 S1 gray red GY RD Switch A Input Q12 S2 gray blue GY BU Switch A Normally closed contact Q14 S3 gray pink GY PK Switch A Normally open contact Q21 S4...

Страница 38: ...troller contacts 4621A02 L N L N AC 230 V 4 S2 S3 S5 S6 7 P3 S1 S4 Y 6 P1 P2 N Y1 Y2 Q1 Q2 GEB33 N Controller Y Actuator GEB33 1 L System potential AC 230 V N System neutral Q1 Q2 Controller contacts The table shows the actuator s operating state for both rotary directions regardless of the position of the controller contacts Q1 and Q2 Controller contacts Operating state Q1 Q2 Remains in current p...

Страница 39: ...depending on the position of the changeover switch featuring switch contacts K1 K2 K3 see table of operating states 4621A03 Y N S2 S3 S5 S6 S1 S4 Y G0 1 8 2 9 SP SN AC 24 V P G GEB16 K1 K3 D N Controller Y Actuator GEB16 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 K3 K2 K1 Switch contacts Operating state Fully closed Ful...

Страница 40: ...ls such as steel aluminum die cast and zinc die cast Do not dispose as household garbage This particularly applies to the circuit board See also European Directive 2012 19 EU As a rule dispose of all waste in an environmentally compatible manner and in accordance with environmental recycling and disposal techniques Adhere to all local and applicable laws The aim is to achieve maximum recyclability...

Страница 41: ...ter contains Actuator dimensions Referenced documents Feedback form 11 1 Dimensions Dia 6 4 20 5 Square 6 4 13 min 7 min 150 min 60 min 100 900 12 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 GEB 1 15 168 min 100 min 100 4621M02en Mounting bracket Dimensions in mm Chapter contents ...

Страница 42: ...42 44 Siemens Actuators without spring return GEB 1 CM2Z4621en Building Technologies 2017 05 26 External Modbus Interface A6V101006034M01 X 220 mm Dimensions in mm ...

Страница 43: ...riteria CM2Z4621en Z4621 Basic documentation Technical basics actuators without spring return GEB 1 Technical basics for engineering mounting wiring and commissioning 74 319 0109 0 M4621 Mounting instructions GEB 1 Instructions on mounting a rotary actuator without spring return A6V101006034 Installation Instruction G 161 MO S 6 MO Installation of types with external Modbus interface CM2N4697en M4...

Страница 44: ...ompatibility Emissions IEC EN 61 000 6 1 Electromagnetic compatibility Immunity IEC EN 61 000 6 2 Electromagnetic compatibility Immunity 89 336 EWG Directive on electromagnetic compatibility 73 23 EWG Low voltage directive Standards Issued by Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 6301 Zug Switzerland Tel 41 41 724 24 24 www siemens com bu...

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