Emerson 7400 Series User Manual page 53

Series 7400 Single Phase 1+N UPS
OUTPUT INTERFACE PCB
MOUNTED IN UPS SYSTEM
MAINS OK
(BYPASS)
RECTIFIER
ACTIVE
BATTERY
OK
END OF
DISCHARGE
INVERTER
OK
SYNCHRO
OK
LOAD ON
UPS
LOAD ON
BYPASS
OVER
TEMPERATURE
OVERLOAD
MAINT. BYP.
ENABLED
STATIC BYPASS
ISOLATOR CLOSED
OUTPUT SWITCH
CLOSED
SYNCHRO INHIBIT RELAY
INVERTER ON/OFF RELAY
TERMINALS OF INTERFACE PCB
Figure 26: Interconnection diagram for single module RAM & Output Interface PCB
M1
1
MIMIC STATUS LED – MAINS (BYPASS) VOLTS OK
2
MIMIC STATUS LED – LOAD ON BYPASS
3
MIMIC STATUS LED – RECTIFIER ACTIVE
4
MIMIC STATUS LED – INVERTER OUTPUT OK
5
MIMIC STATUS LED – BATTERY OK
6
MIMIC STATUS LED – LOAD ON INVERTER (UPS)
7
8
9
10
11
12
13
14
15
M2
ALARM SIGNAL LED – PREALARM END OF DISCHARGE
1
ALARM SIGNAL LED – SYNC. NOT OK
2
ALARM SIGNAL LED – OVERLOAD
3
ALARM SIGNAL LED – OVER TEMPERATURE
4
ALARM SIGNAL LED – INVERTER NOT OK
5
ALARM SIGNAL LED – RECTIFIER NOT ACTIVE
6
ALARM SIGNAL LED – BATTERY NOT OK
7
ALARM SIGNAL LED – MAINS VOLTAGE NOT OK
8
ALARM SIGNAL LED – LOAD ON MAINT. BYPASS
9
24 VOLT SUPPLY
10
11
12
13
14
15
M3
1
2
3
4
NOTES:
5
6
1. Short terminal with the help of suitable wire.
7
8
2. Note that if this supply is not available, RAM will not function
9
3. USF, 24 core, 1.5mm, multistrand cable for interconnection
10
11
between RAM and Output interface
12
13
4. Status of contacts is shown when relay is 'Off'. Relay switches
'On' when signal is received as per the description
REMOTE ALARM MONITOR
LOCATED AT REMOTE PLACE
230V AC Supply
N
L
M2 - 8
1
M1 - 2
2
M2 - 5
3
M1 - 14
4
M1 - 5
5
M1 - 8
6
- 11
1 M2
- 1
2 M2
- 14
3 M2
- 11
4 M2
- 13
5 M1
- 4
6 M1
- 7
7 M1
- 1
8 M1
- 1
9 M3
10
TEST
RESET
+ 24 V
TERMINALS OF RAM
RM1
RM2
RM3
44