Clary Corporation DT1000RET Owner's Manual - Page 12

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SIGNALS AND INTERFACING

T
here are two DB-9, subminiature, female
connectors. These are provided for
communications links to a computer or
sophisticated monitoring device.
SIGNAL provides open collector type contact
closures that typically signal Utility Interrupt, Low
Battery and Inverter Active conditions. A system
shutdown feature is also available on this port. By
shorting pin 6 to pin 7 will cause the system to
OPEN-COLLECTOR CONNECTOR (SIGNAL)
2-
UTILITY INTERRUPTED SIGNAL
3-
INVERTER ACTIVE SIGNAL
4-
COMMON SIGNAL RETURN
5-
LOW BATTERY SIGNAL
6-
+ UPS SHUTDOWN
7-
- UPS SHUTDOWN
RS232 CONNECTOR
2-
TRANSMITTING DATA (TX)
3-
RECEIVING DATA (RX)
6 & 8- DATA SET READY
5-
SIGNAL GROUND
5
DB-9F
9
-
SYSTEM
+
SHUTDOWN
SIGNAL: OPEN-COLLECTOR CONNECTOR
T H E C O N T I N U O U S P O W E R C O M P A N Y
LOW BATTERY
INVERTER ACTIVE
UTILITY INTERRUPTED
(Programmable:
1
0 to 4Hr 15 Min 10 S)
6
shutdown in battery mode. This conserves the
battery life once an orderly shutdown has been
accomplished. The system may be configured to
shutdown by applying a +5 to +12V signal across
the appropriate pins. Contact the factory for
configuration details.
RS232 is a true communications signal port.
Below is the pin out of the two connectors with their
default assignments:
Page 12
RX
GND
TX
3
2
5
DB-9F
6
8
DSR
RS232: COMPUTER
CONNECTOR