Innovative Energies No-Break SR250i 485 Series User Manual page 9

For use with optional modbus protocol converter
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FRONT PANEL LEDS (WITH BUILT IN SWITCHES)
For full list of LED flash codes please refer to page 5.
BATTERY SYSTEM OK: LED on: Battery present and above V batl.
POWER OK:
STANDBY:
REAR PANEL LAYOUT (
ALARMS
AUX:
This relay is energized when BCT is in progress unless otherwise requested.
MAINS FAIL:
De-energized on loss of mains input power
NOTE: 30 second delay
BAT LOW:
De-energized when either:
1. battery voltage = 1.8V/cell (for 2V cells) - operates only when no mains power
present or
2. battery missing or fault in battery circuit wiring (alarm does not activate for up to
battery detection interval time).
REVERSED POLARITY CONNECTION OF BATTERY
If the battery is accidentally connected in reverse, the internal battery protection fuse will be ruptured and the
unit should be returned to the manufacturer for repair. If the fuse is good, the voltage measured as at step 3
above should be exactly the same on both the load and battery outputs.
Specifications are subject to change without notice. No liability accepted for errors or omissions.
LED on: Charger output present
LED off: no mains input or charger in standby mode
LED on: Charger in standby mode (no output from charger)
Push standby button to turn off charger & allows load to run off battery. Push
button again to turn on charger.
Alarm contacts shown in de-energized state)
AC IN
ALARMS
C NC NO
C NC NO C NC NO
AUX
M/FAIL
BATLOW
(POWER
(BATT SYS
(
)
BCT
OK)
AC IN
ALARMS
C NC NO C NC NO C NC NO
AUX
M/FAIL
BATLOW
(POWER
(BATT SYS
(
)
BCT
OK)
Temperature sensor to be
placed on or near battery
LOAD
BATT
-
-
+
+
RS485
OK)
Temperature sensor to be
placed on or near battery
LOAD- BATT-
COM+
RS485
OK)
To protocol
converter
To protocol
converter
9

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