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CA2N1741en_03 
2015-12-23 

 

Building Technologies 

 

 

 

 

1

741

 

 

 

 

 

QAX30.1 

 

 

QAX31.1 

 

 

 

 

 

Desigo™  RX 

 

 

Room units with PPS2 

interface 

QAX30.1 

QAX31.1 

 

for use with:  –  devices of the ranges Desigo RXC, RXB, RXL, and RXA (PPS2)  
 

–  Desigo PX Automation stations 

 

–  devices with a PPS2 interface 

 

 

 

Room temperature measurement 

 

Room temperature setpoint adjuster 

 

PPS2 interface to controller 

 

Socket for commissioning and service tool or service terminal 

Use 

The room units are  used in rooms controlled by an individual room control system, to 
measure the room temperature, and, in the case of the QAX31.1, to adjust the room 
temperature setpoint. 

They can also be used in conjunction with a Desigo PXC… automation station 

The room units incorporate 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. L

ON

W

ORKS

® bus) to the connected individual room controller.  

 
 
 

Summary of Contents for QAX30.1

Page 1: ...ket for commissioning and service tool or service terminal Use The room units are used in rooms controlled by an individual room control system to measure the room temperature and in the case of the QAX31 1 to adjust the room temperature setpoint They can also be used in conjunction with a Desigo PXC automation station The room units incorporate a socket for a commissioning and service tool or ser...

Page 2: ...or mounting on a recessed conduit box with the cables connected from the rear The unit comprises a housing and base unit connected by releasable snap fittings The base unit accommodates the screw terminals which have an integrated terminal strip The housing accommodates a printed circuit board room temperature sensor element setpoint adjuster plug in connectors and a socket for the commissioning a...

Page 3: ... 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 conduit box Do not mount in recesses shelves behind curtains or doors or above or near heat sources Avoid exposure to direct sunlight or draughts The electrical wiring conduit must be sealed where it joins the ro...

Page 4: ...PX CA110396 2 core or 4 core twisted pairs unscreened Connecting cable for service tool Off the shelf max 3 m Protection data Housing protection IP 30 to EN 60529 Protection class III to EN 60730 1 Ambient conditions IEC 721 Operation Transport Ambient air conditions Class 3K5 Class 2K3 Temperature 0 50 C 25 70 C Humidity 85 rH 95 rH Mechanical conditions Class 3M2 Class 2M2 Standards directives a...

Page 5: ... Device supply Data PPS2 pos CP 2 Device supply Data PPS2 neg Bus connection looped to tool socket C 3 With LONWORKS bus Desigo RXC CLA C 4 With LONWORKS bus Desigo RXC CLB 5 8 Not used Standard type RJ45 tool socket 1 3206Z01 2 3 45 67 8 With LONWORKS bus Desigo RXC CLA With LONWORKS bus Desigo RXC CLB Not used Not used Not used Not used CP Data PPS2 CP Data PPS2 Connection diagram Example RXC Th...

Page 6: ...5 32 36 4 2 60 80089 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 Siemens Switzerland Ltd 2000 Delivery and technical specifications subject to change ...

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