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High functional reliability

The actuator is overload protected, requires no limit switches and automatically stops 

when the end stop is reached.

Home position

The first time the supply voltage is switched on, i.e. at the time of commissioning, the 

actuator carries out a synchronisation. The synchronisation is in the home position 

(0%).

The actuator then moves into the position defined by the positioning signal.

Y = 0%

cw

Y  =  0%

ccw

1

0

Adaption and synchronisation

An adaption can be triggered manually by pressing the “Adaption” button or with the 

PC-Tool. Both mechanical end stops are detected during the adaption (entire setting 

range).

Automatic synchronisation after pressing the gearbox disengagement button is 

configured. The synchronisation is in the home position (0%).

The actuator then moves into the position defined by the positioning signal.

A range of settings can be adapted using the PC-Tool (see MFT-P documentation)

Accessories

Description

Type

Electrical accessories   Auxiliary switch 1 x SPDT add-on

S1A

    Auxiliary switch 2 x SPDT add-on

S2A

    Auxiliary switch 2 x SPDT add-on, grau

S2A/300 GR

    Auxiliary switch 2 x SPDT add-on, grau

S2A/500 GR

    Feedback potentiometer 140 Ω add-on

P140A

    Feedback potentiometer 140 Ω add-on, grau

P140A GR

    Feedback potentiometer 200 Ω add-on

P200A

    Feedback potentiometer 500 Ω add-on

P500A

    Feedback potentiometer 500 Ω add-on, grau

P500A GR

    Feedback potentiometer 1 kΩ add-on

P1000A

    Feedback potentiometer 1 kΩ add-on, grau

P1000A GR

    Feedback potentiometer 2.8 kΩ add-on

P2800A

    Feedback potentiometer 2.8 kΩ add-on, grau

P2800A GR

    Feedback potentiometer 5 kΩ add-on

P5000A

    Feedback potentiometer 5 kΩ add-on, grau

P5000A GR

    Feedback potentiometer 10 kΩ add-on

P10000A

    Feedback potentiometer 10 kΩ add-on, grau

P10000A GR

    Connection cable 5 m, A: RJ11 6/4 ZTH EU, B: 6-pin for connection to 

service socket

ZK1-GEN

    Connection cable 5 m, A: RJ11 6/4 ZTH EU, B: free wire end for 

connection to MP/PP terminal

ZK2-GEN

Description

Type

Mechanical accessories   Actuator arm for standard shaft clamp

AH-GMA

    Ball joint suitable for damper crank arm KH8 / KH10

KG10A

    Damper crank arm Slot width 8.2 mm, clamping range Ø14...25 mm

KH10

    Anti-rotation mechanism 230 mm

Z-ARS230

    Mounting kit for linkage operation for flat installation

ZG-GMA

    Base plate extension for GM..A to GM..

Z-GMA

    Position indicator

Z-PI

Description

Type

Service Tools   Service Tool, with ZIP-USB function, for parametrisable and 

communicative Belimo actuators / VAV controller and HVAC 

performance devices

ZTH EU

    Belimo PC-Tool, Software for adjustments and diagnostics

MFT-P

    Adapter for Service-Tool ZTH

MFT-C

GM24A-MOD

Rotary actuator, modulating, communicative, hybrid, AC/

DC 24 V, 40 Nm

Product features

www.belimo.com

GM24A-MOD • en-gb • 2020-04-21 • subject to changes

3

Summary of Contents for GM24A-MOD

Page 1: ...y 5 Direction of motion motor selectable with switch 0 1 Direction of motion note Y 0 At switch position 0 ccw rotation 1 cw rotation Direction of motion variable electronically reversible Manual override with push button can be locked Angle of rotation Max 95 Angle of rotation note can be limited on both sides with adjustable mechanical end stops Running time motor 150 s 90 Running time motor var...

Page 2: ...e observed Product features Mode of operation The actuator is fitted with an integrated interface for BACnet MS TP Modbus RTU and MP Bus It receives the digital positioning signal from the control system and returns the current status Converter for sensors Connection option for a sensor passive active or with switching contact In this way the analogue sensor signal can be easily digitised and tran...

Page 3: ...on P200A Feedback potentiometer 500 Ω add on P500A Feedback potentiometer 500 Ω add on grau P500A GR Feedback potentiometer 1 kΩ add on P1000A Feedback potentiometer 1 kΩ add on grau P1000A GR Feedback potentiometer 2 8 kΩ add on P2800A Feedback potentiometer 2 8 kΩ add on grau P2800A GR Feedback potentiometer 5 kΩ add on P5000A Feedback potentiometer 5 kΩ add on grau P5000A GR Feedback potentiome...

Page 4: ...D A C2 D B Connection with passive sensor e g Pt1000 Ni1000 NTC 1 2 T 3 5 6 7 Ni1000 PT1000 NTC 28 98 C 35 155 C 10 160 C 1 850 1600 Ω 2 850 1600 Ω 2 200 Ω 60 kΩ 2 MFT C2 C1 D D 1 depending on type 2 Resolution 1 Ohm Connection with active sensor e g 0 10 V 0 50 C 1 2 T 3 5 6 7 MFT C2 C1 D D Possible voltage range 0 32 V resolution 30 mV Connection with switching contact e g Δp monitor 1 2 T 3 5 6...

Page 5: ...Push button and LED display yellow Off On Flickering Press button Standard mode Adaptation or synchronising process active or actuator in address mode LED display green flashing BACnet Modbus communication active In operation 3 s Switch address mode on and off In address mode Address setting by pressing several times When starting 5 s Reset to factory setting Communication 4 Gear disengagement but...

Page 6: ...ACnet MS TP and Modbus RTU address is made up of the set basic address plus the short address e g 100 7 107 Service Tools connection The actuator can be parametrised by ZTH EU via the service socket For an extended parametrisation the PC tool can be connected AC 24 V DC 24 V 1 2 T 3 5 6 7 MFT D D BELIMO PC Tool USB MP USB i esc OK ZTH EU Dimensions mm Spindle length L Min 52 Min 20 Clamping range ...

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