S300 Expansion Enclosures CK721-A Installation and Operation
3-46 24-10349-8 Rev. B
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© 2012 Johnson Controls, Inc.
Table 3-21: S300-SIO8 Components
Component Description
J1A Output Relay 1 Connector
J1B Output Relay 2 Connector
J1C Output Relay 3 Connector
J1D Output Relay 4 Connector
J2A Output Relay 5 Connector
J2B Output Relay 6 Connector
J2C Output Relay 7 Connector
J2D Output Relay 8 Connector
J3 RS-485 Input
J4 RS-485 Output
J6A Alarm Inputs 1 and 2
J6B Alarm Inputs 3 and 4
J6C Alarm Inputs 5 and 6
J6D Alarm Inputs 7 and 8
SW1 Address Settings
System
LEDs
Indicates when data is transmitted or received, and the ï€
presence of 5 and 12 VDC as labeled in Figure 3-30.
U1 S300-SIO8 Firmware