Figure 3-29: S300-SIO8 Module
CK721-A Installation and Operation S300 Expansion Enclosures
24-10349-8 Rev. B 3-45
This document contains confidential and proprietary information of Johnson Controls, Inc.ï€
© 2012 Johnson Controls, Inc.
S300-SIO8 Supervised Input/Output Module
The S300-SIO8 is almost identical in appearance to the S300-IO8 module shown in
Figure 3-28. The differences in functionality between the two modules are:
 The S300-SIO8 module provides eight four-state alarm inputs, which
monitor open or short circuit, alarm, and secure states.
 The eight alarm input LEDs are three-color indicators showing:
Off - Open Green - Secure
Yellow - Short Red - Alarm
All other functions, including the eight output relays, are
identical to the S300-IO8
module.
J3
J4
J2C
J2B
J1C
J1B
J1A
RX TX
5V
12V
J2A
J1D
U1
J6D
J6C
J6B
J6A
J2D
SW1
16
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