Technical Instructions
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator
Document No. 155-173P25
May 19, 2014
Page 16
Siemens Industry, Inc.
GCA15x.1x
(0 to 10 Vdc or
2 to 10 Vdc)
for Tandem
Application
(Master/Slave)
Figure 22. Tandem Application DIP Switch Settings.
•
After setting the 4th DIP switch for TM (tandem mount) on all actuators
used in the tandem application, one actuator must be identified as the
Master by selecting the "M" on the 5th DIP switch.
•
The rest of the actuators used in the application must have the "S"
(slave) set on the 5th DIP switch.
•
Connect all the 2 (black) Neutral wires and connect them to the power
supply.
•
Connect all the 1 (red) Supply wires together and connect them to the
power supply.
•
The Output Signal 9 (pink) wire, identified as the Master actuator, needs
to be connected to all the Control Signal Wires 8 (gray) of the slave
actuators used in the tandem application.
