Clary Corporation S1500-601 Panduan Pengoperasian Pemilik - Halaman 13

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Halaman Cetak

SIGNALS AND INTERFACING

A
t the rear of the unit are two DB-9
subminiature, female connectors. These are
provided for communications links to a
computer or sophisticated monitoring device.
SIGNAL provides open-collector outputs that
typically signal Utility Interrupt and Low Battery
conditions. A system shutdown feature is also
available on this port. Applying a short between Pin
6 and Pin 7 will cause the system to shutdown in
battery mode. This conserves the battery life once
OPEN-COLLECTOR CONNECTOR (SIGNAL)
2-
UTILITY INTERRUPTED 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
6
+
SYSTEM
-
SHUTDOWN
SIGNAL: OPEN-COLLECTOR CONTACT
CONNECTOR
LOW BATTERY
UTILITY INTERRUPTED
1
9
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
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 computer communications signal
port.
The open-collector signal outputs can be converted
to dry contact closures, as an option. Below is the
pin out of the two connectors with their default
assignments:
+5V
1KΩ
5
6
+
SYSTEM
-
SHUTDOWN
SIGNAL: DRY CONTACT CLOSURE (OPTION)
Page 13
GND
RX
TX
DB-9F
5
3
2
6
8
DSR
RS232 CONNECTOR
LOW BATTERY
1
UTILITY INTERRUPTED
DB-9F
9
CONNECTOR