Dale Power Solutions Ltd
User Manual
22
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Relay card (advanced monitoring and control)
If your unit has been specified and fitted with the optional relay card (located in the Intelligent Slot on the
rear panel) you have access to more advanced monitoring and control functionality via a set of dry
contacts and a single opto-coupled input.
You can connect to a 9 pin D-type connector on the card or to a 16-way terminal block mounted internally
on the card.
Note:
If you want to connect to the
Remote shutdown
and the
Operation indication
or other
N/C
signals
you will need to connect to the relay card using both connection methods described above.
Connections:
Description
Terminal block
connection no.
DB9 pin no.
Additional information
UPS failure (N/C)
1
1
-
UPS failure (N/O)
2
1
Bypass active (N/C)
1
3
-
Bypass active (N/O)
4
6
UPS summary alarm (N/C)
1
5
-
UPS in battery mode
Battery low
UPS internal failure
UPS summary alarm (N/O)
6
2
Battery low (N/C)
1
7
-
Battery low (N/O)
8
7
UPS on (N/C)
1
9
-
UPS on (N/O)
10
8
Utility failure (N/C)
1
11
-
Utility failure (N/O)
12
9
Utility or mains failure
Operation indication (N/C)
1
13
-
Operation indication (N/O)
1
14
-
Relay common
15, 16
5
Remote shutdown GND
2
-
3
0 V for shutdown signal
Remote shutdown
2
-
4
Shutdown signal: 5 V to 12 V
1. Access via 16-way terminal block only
2. Access via 9 pin D-type connector only
Relay contact specifications:
Parameter
Value
Maximum switched voltage
250 V a.c. or 28 V d.c.
Typical switched voltage
5 to 12 V d.c.
Maximum current
7 A d.c.
7 A a.c. @ 250 V a.c.
12 A a.c. @ 125 V a.c.
