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Siemens

QAX32.1 – Room unit with PPS2 interface

CA2N1641en_03

Building Technologies

2015-12-23

Connection diagram (Example: RXC)

The following example shows the room unit connected to a Desigo RXC room
controller:

A03

PPS2

Tool

7 8 1 2

4 3 2 1

C–

C+

–

CLA

CLB

PPS2

LonWorks® Bus

= Twisted pair

Room unit QAX32.1

Room controller RXC...

Connection for RXT10 commissioning and service tool

Connection for service terminal with PPS2 interface

Dimensions

9,5

4,2

80087

100

Published by:
Siemens Switzerland Ltd.

Building Technologies Division

International Headquarters
Gubelstrasse 22

6301 Zug

Switzerland
Tel. +41 41-724 24 24

www.siemens.com/buildingtechnologies

Delivery and technical specifications subject to change

All dimensions in mm

Содержание QAX32.1

Страница 1: ...oom unit is used in rooms controlled by an individual room control system to measure the room temperature and for operation of a room controller It can also be used in conjunction with a Desigo PXC automation station 1 The room unit incorporates a socket for a commissioning and service tool or service terminal This tool socket provides access via the PPS2 interface or via a bus system e g LONWORKS...

Страница 2: ...ted circuit board room temperature sensor element setpoint adjuster rocker switch for mode selection plug in connectors and a socket for the commissioning and service tool or service terminal Both the housing and base are made of plastic Base unit Housing 80082 80084 Socket for the commissioning and service tool or service terminal 80167A Dial for stepless adjustment of the setpoint LEDs to indica...

Страница 3: ...om units may be connected to a PXC automation station they are identified by different settings of their address plugs A twisted pair cable is required for the connection to the controller Desigo RX uses four core cables Desigo PX uses two core cables see the respective installation guides Screening is not required Mounting The room unit is suitable for wall mounting and for mounting on a recessed...

Страница 4: ...tion from controller Max 0 10 VA Function data Temperature sensor Measuring element NTC resistor Measuring range 0 40 C Response time 8 min Accuracy 5 30 C 0 5 K Accuracy 25 C 0 25 K Setpoint correction Correction range determined by controller max 12 K default 3 K Accuracy over full correction range 10 Indication control mode 2 LEDs yellow Interfaces Type of interface between controller and room ...

Страница 5: ...ht grey Weight Excluding packaging 0 12 kg The documents can be downloaded from http siemens com bt download Connection terminals The tool socket on the room unit provides access to the connected individual room controller via the commissioning and service tool or the service terminal The bus cable Terminals 3 and 4 is therefore looped to the tool socket Pins 1 and 2 The bus cable is not affected ...

Страница 6: ...ed pair R1 Room unit QAX32 1 N1 Room controller RXC A Connection for RXT10 commissioning and service tool B Connection for service terminal with PPS2 interface Dimensions 9 5 32 36 4 2 60 80087 90 100 56 60 56 Published by Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 6301 Zug Switzerland Tel 41 41 724 24 24 www siemens com buildingtechnologies S...

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