Johnson Controls S300 Series Hardware Installation Manual page 12

Hardware Installation
 To wire multiple DIN-mounted devices:
1. Wire the devices following the "daisy chain" pattern:
DC power cable
connecting to
power supply
RS-485 cable
2. Make sure each wire is connected to the same corresponding connector
position in the subsequent device:
Power
Connectors of
the 1st device
RS485
Do not connect the DC power cable to a DIN-mounted device
!
until all wiring is complete.
CAUTION
8
3rd device
1st device 2nd device
Connectors of
the 2nd device
This document contains confidential and proprietary information of Johnson Controls
S300-DIN-L
Connectors of
the last device
24-10239-340 Rev. B
© 2017 Johnson Controls