Power Source - Johnson Controls S300 Series Hardware Installation Manual

RDR8S and I32O16 Modules

Power Source

See the following table for power requirements.
Parameter
Input voltage
Input current
Power
Line Voltage Information
If the facility is located in an area where power lines are subject to frequent lightning
strikes, verify with the electric company that the building transformer is equipped
with surge protectors. These, as well as a "crowbar" type of protection, can be
installed at the main service entrance if the building transformer is not equipped
with lightning protection.
While lightning is one cause of power line transients, others can be internal or
external to the building environment. The general application of transient surge
suppression is low-cost insurance to ensure long life of the equipment being
installed.
D
ESCRIPTION OF
All interface signals are connected via plug-in connectors. For a description of the
I/O interface signals, see:
"Input Point Signals" on page 19

"Output Point Signals" on page 21

The following figures show the details of the terminal blocks.
24-10489-0 Rev. B
This document contains confidential and proprietary information of Johnson Controls, Inc.
© 2010 Johnson Controls, Inc.
Value
+12 to 24VDC
2A at 24V, 4A at 12V
48W
S
IGNALS
Hardware Installation
5