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990-1007A, Revision 2 9/99
7
14
NC1
15
NC1
NO1
2
COM1
NO1
COM1
CHGND
X005
EPO RELAY
CONNECTOR
16
NC2
17
NC2
NO2
4
COM2
NO2
COM2
CHGND
18
NC3
19
NC3
NO3
6
COM3
NO3
COM3
CHGND
20
NC4
21
NC4
NO4
8
COM4
NO4
COM4
CHGND
ON/OFF RELAY
BYPASS
OPERATION
RELAY
BATTERY
OPERATION
RELAY
BATTERY LOW
WARNING RELAY
EPO RELAY
PC BOARD
RELAY
FUNCTION
+V
11
12
PSU_PU
PSU
13
25
24
RSD+
RSD-
CGND
PSU_PU
PSU
RSD+
RSD-
CGND
CGND
PSU_PU
CHGND
EPO
[REMOTE
SHUTDOWN]
J100 EPO Relay PC Board
J100
J101
J102
ISOLATED OPERATION
PSU_PU
PSU
RSD+
RSD-
CGNS
CGND
PSU_PU
CHGND
ISOLATED
VOLTAGE
ISOLATED
GND
NORMALLY CLOSED
OPERATION
PSU_PU
PSU
RSD+
RSD-
CGND
CGND
PSU_PU
CHGND
NORMALLY OPEN OPERATION
PSU_PU
PSU
RSD+
RSD-
CGND
CGND
PSU_PU
CHGND
EPO SHUTDOWN EXAMPLES
To shut the unit down the RSD+ pin is connected to PSU and RSD- pin is connected to CGND. The unit will shut down
in one second. The EPO-port can be connected to a stop switch so that the Smart-UPS DP can be switched off quickly
(e.g., in case of fire).