Communication Interface; Remote Contacts; Rs-232C - Toshiba 1700 Series User Manual

Uninterruptible power system single phase 1.5/2.0/2.4 kva
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Communication Interface

Dry Contacts
The remote contacts interface is a standard feature. It is provided
through solid state relays with contacts through a DB9 male
connector located on the back of the UPS (refer to the
Communication Option User Manual for a more detailed description
of this option). The following chart shows the signals and the
connector pinout.
Pin
Signal Function
1
Fault Signal
UPS stop
2
common
UPS stop signal
3
input
Normal input
4
power supply
5
Signal common
6
Bypass operation
Battery voltage
7
low
8
UPS operation
Power failure
9
signal
DB9 Male Connector Outline
(facing connector)

RS-232C

RS-232C serial communication interface is a standard feature
provided through a DB9 female connector located on the backside of
the UPS (see "Electronics Module Layout ", page 9). This interface
allows communication between the UPS and a personal computer.
The chart on the following page shows the signals and the connector
pinout.
Logic
Closed when fault
detected
Backup stop when the
level changes from Low (-
3 to – 15V) to High (+3 –
+15V)
Closed with normal
supply power
Common signal return
Closed during bypass
operation
Closed at voltage drop
Closed during inverter
operation
Closed at power failure
Voltage
48Vdc peak
30Vac rms
(42Vac peak)
In the UPS
1
2
3
4
5
6
7
8
9
Current
100mAdc peak
70mAac rms
(100mAac peak)

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