Power Supply - Johnson Controls S300 Series Hardware Installation Manual

Hardware Installation
5
GND
DAT+
DAT-
1

Power Supply

For power wiring with either the large or small enclosure, use the cable assembly
shown in the following figure. Refer also to the S300-DIN-L Hardware Installation
Manual and the S300-DIN-S Hardware Installation Manual.
Connects to
RDR2S module
When connecting multiple RDR2S modules, wire the modules in parallel following
the "daisy chain" pattern as shown in the following figures. To construct the power
wiring, use listed 18 AWG wires.
DC power cable
connecting to
power supply
RS-485 cable
connecting to
controller
Make sure each wire is connected to the same corresponding connector
!
position in the subsequent RDR2S module. See the following figure for
details.
CAUTION
12
Wire nuts
BLACK
WHITE
GREEN
RED
N/A
YELLOW
N/A
1st RDR2S 2nd RDR2S
This document contains confidential and proprietary information of Johnson Controls, Inc.
S300-DIN-RDR2S Module
COM
+24 VDC
connector
Chassis
ground
to the next
3rd RDR2S
RDR2S
24-10239-413 Rev. A
© 2010 Johnson Controls, Inc.