Actuator Wiring (Modbus Rtu); Commissioning Notes; General Checks - Siemens OpenAir GEB 1 Series Technical Basics

Actuators without spring return

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Also See for OpenAir GEB 1 Series

Mounting instructions - 10 pages
Mounting instructions - 10 pages

Table Of Contents

Note

References

Environmental conditions

Mechanical check

Electrical check

Siemens

Building Technologies

6.4

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

red (RD)

black (BK)

violet (VT)

grey (GY)

pink (PK)

The operating voltage at terminals G and G0 must comply with the requirements under

SELV or PELV.

Safety transformers with twofold insulation as per EN 61558 required; they must be

designed to be on 100 % of the time.

Commissioning notes

All information 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. Additionally, ensure that the dampers are shut

tight when in the closed position.

∂

Fasten the actuator securely to avoid side load.

∂

Rotary movement check: Manually change the damper setting by pressing the gear

train disengagement button and turn the adapter (only if not voltage is applied).

∂

Check to ensure that the cables are connected in accordance with the plant wiring

diagram.

∂

The operating voltage AC 24 V (SELV/PELV) or AC 230 V must be within the

tolerance values.

Technische Grundlagen: Drehantriebe GEB...1

Terminal code

Description

System potential AC 24 V

System neutral AC 24 V

REF

Reference (Modbus RTU)

Bus + (Modbus RTU)

Bus - (Modbus RTU)

25/44

CM2Z4621en

2017-05-26

Table of Contents

Also See for Siemens OpenAir GEB 1 Series

Siemens GEB 1 Series Mounting Instructions 10 pages

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This manual is also suitable for:

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