
Condition
Signal State (T-True)
LED Status
Relay Logic
AC OK
Battery
Status
Connector Relay Pins (x-closed)
AC Failure
BAT Low
STANDBY
Pin 1-2
Pin 2-3
Pin 4-5
Pin 5-6
no Fault
GReen
GReen
x
x
AC Fault UPs is on Back-Up Mode
t
ReD
GReen
x
x
on Back-Up Mode - Battery is Low
t
t
ReD
ReD
x
x
standby/Inverter is oFF
t
oFF
oFF
x
x
Table 8. SDUCFRELAYCARD Relay Logic and LED State
Figure 9: SDUCFRELAYCARD Application Block Diagram
sDU AC - A seRIes CoMM CARDs InstRUCtIon MAnUAL |
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