System Operation
Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.
IPN 997-00012-03 B2 Issue B2 July 2018
83
Input/Output (I/O)
The following section describes the I/O functions available with a single IOBGP I/O board.
Also see I/O Board Mapping on page 145.
Optional SiteSure-3G Input / Output (I/O) modules or additional IOBGP I/O boards can be
connected to the SC300 to provide additional I/O to monitor and control external devices. For
details refer to the SiteSure-3G Installation Guide (see Related Information on page i).
Identify an I/O Board
Input /Output (I/O) boards and SiteSure-3G modules are referenced by their serial numbers.
► To identify a particular I/O board or SiteSure-3G module
Either:
• On SC300 keypad go to: Settings > IOBs and select a module or board. Press Enter.
The I/O board details screen appears. Use to scroll to other I/O boards.
• The Power-on LED on the selected I/O board or SiteSure-3G module will flash for 60 seconds
(or press Esc to stop).
Or:
• On the web, go to: System > Interfaces > RXP > RXP Devices.
• Web: click on Start Identifying.
• The Power-on LED on the selected I/O board or SiteSure-3G module will flash for 60 seconds.
Analog System Values
The SC300 provides access to the following system analog values.
Parameter Description Where to find:
Bus Voltage The average of all analog inputs configured as Bus
Voltage. Otherwise, the system bus voltage is
determined from the rectifier output voltages.
SC300: Analogs
DCTools:
Analog Inputs >
System Values
Web: Analog
Input / Output
> Analog Inputs
> System Values
Load Current The sum of any analog inputs configured as Load
Current. Otherwise, if Battery Current is available, the
Load Current is calculated as Rectifier Current +
Alternative Source Current - Battery Current. Otherwise
it is unavailable.
Rectifier Current The sum of any analog inputs configured as Rectifier
Current. Otherwise, if there are Battery and Load
Currents, the Rectifier Current is calculated as Battery
Current + Load Current - Alternative Source Current.
Otherwise, Rectifier Current is determined as the sum
of all reported rectifier output currents.
Battery Current The sum of any analog inputs configured as Battery
Current. Otherwise, if Load Current is available, the
Battery Current is calculated as Rectifier Current +
Alternative Source Current - Load Current. Otherwise it
is unavailable. If positive, the battery is being
charged.
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