Saia-Burgess Controls AG
Bahnhofstrasse 18 | 3280 Murten, Switzerland
T +41 26 580 30 00 | F +41 26 580 34 99
www.saia-pcd.com
[email protected] | www.sbc-support.com
4
26-605 ENG01 03-2016 Technical data and information subject to change.
Wiring a Five-Position Fan Speed Rotary Switch
Terminals FANSPEED and COMMON are used to connect the
five internal preset resistance values of the fan speed rotary
switch to a controller input. These terminals are present on the
Q.RCU-A-TSOF model. The following table shows the five fan
speed settings and their corresponding resistance values.
Fan Speed Setting
Corresponding Resistance Value
Auto
0 Ω
Off
2.5 kΩ
Fan Speed 1
5.0 kΩ
Fan Speed 2
7.5 kΩ
Fan Speed 3
10.0 kΩ
Internal resistors
switch
Controller
UI
COM
FANSPEED
COMMON
5-position rotary
2.5 k
Ω
5.0 k
Ω
7.5 k
Ω
10.0 k
Ω
Figure 6:
Five-position fan speed input
Document History
Version
Changes
Published
Comments
ENG01
2016-03-23
2016-03-23
First edition
Trademarks
Saia PCD® is a registered trademark of Saia-Burgess Controls AG, short form SBC.
Technical changes are subject to the state of technology.
Saia-Burgess Controls AG, 2016. © All rights reserved.
Postal address for returns from customers of the Swiss Sales office
Saia-Burgess Controls AG
Service Après-Vente
Bahnhofstrasse 18
3280 Murten, Switzerland
