User Manual

ManualsBrandsSiemens ManualsRoom controlsUniversal setpoint adjuster QAX 39.1

CA2N1646en

_04

2015

-12-23

Building Technologies

646

Desigo

™

Universal setpoint adjuster

QAX 39.1

for use with:

– devices of the ranges Desigo RXC, RXB, RXL, and RXA (PPS2)

– Desigo PX Automation stations

– devices with a PPS2 interface

• For external setpoint adjustment

Application

The QAX39.1 setpoint adjuster is a continuously variable setpoint adjuster.

It can be connected to the controllers of the Desigo RX or Desigo PX range equipped

with a PPS2 interface.

The adjustment range can be defined in the application program.

Ordering

When ordering, please specify the quantity, product name and type code.

Example:

30 type QAX39.1 setpoint adjusters

Summary of content (6 pages)

PAGE 1
646 Desigo™ Universal setpoint adjuster for use with: • QAX 39.1 – devices of the ranges Desigo RXC, RXB, RXL, and RXA (PPS2) – Desigo PX Automation stations – devices with a PPS2 interface For external setpoint adjustment Application The QAX39.1 setpoint adjuster is a continuously variable setpoint adjuster. It can be connected to the controllers of the Desigo RX or Desigo PX range equipped with a PPS2 interface. The adjustment range can be defined in the application program.
PAGE 2
Mechanical design Multi-part plastic housing, comprising: • • • • • Electronic printed circuit board with potentiometer and 3 connection terminals Mounting plate with 3 adjustable end-stops Dial Scale plate Cover plate (transparent) Address switch It allows setting the address in cases where several room units are connected to one controller. 1646A01 AB F01 4 23 56 CD E Address switch inside the housing. The setpoint adjuster is delivered with address 1.
PAGE 3
Technical data Caution Power supply The unit is not protected against accidental connection to AC 230 V. DC 12...15 V (SELV) DC 12…15 V class 2 (US) Operating voltage range The unit receives its supply from the connected controller via a PPS2 interface Power consumption (from controller) Max. 0.10 VA Operating data Setpoint correction Correction range (defined by controller) Max.
PAGE 4
Mounting instructions The QAX39.1 setpoint adjuster can be unit mounted, or mounted on control panels or control panel doors, or flush-mounting boxes (on cover plate). 00143 A ! STOP Note! Not every flush mounting box is suitable for the mounting of a setpoint adjuster! Connection terminals 00112 1 2 PPS 2 3 STOP Note! On all other PPS2 room units, the cable is connected to terminals 1 and 2. Here, however, it must be connected to terminals 1 and 3! 4/6 Siemens Building Technologies QAX39.
PAGE 5
Dimensions All dimensions in mm 48 70197 B Drilling diagram ø4 14 ø7 48 14 ø4 34 70197 C 15 5/6 Siemens Building Technologies QAX39.
PAGE 6
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 6/6 Siemens Building Technologies QAX39.