Communication Interfaces - Toshiba 1600EP SERIES Instruction Manual

Communication Interfaces

Remote Contacts
The remote contacts interface is provided as a set of solid state relay switch contacts. The switches
are available through a DB9 male connector on the rear of the UPS. The following chart shows the pin
assignment for each signal.
MAXIMUM CURRENT CARRYING CAPACITY
OF THE SWITCH
Voltage
48Vdc Peak
30Vac rms
(42Vac peak)
Pin Signal Function
1 Fault Signal
2 UPS stop common
3 UPS stop signal input
4 Normal input power supply
5 Signal common
6 Bypass operation
7 Battery voltage drop
8 UPS operation
9 Power failure signal
NOTE Pin "switches" are shown in their inactive states. For example, if battery voltage is low, pin 7 will be connected to pin 5.
1600EP Series Instruction Manual
Current
100mAdc peak
70mAac rms
(100mA peak)
Logic
Closed when fault detected
Backup stop when the level
changes from Low (-3 to – 15V) to
High (+3 to +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
DB9 MALE CONNECTOR OUTLINE
(FACING CONNECTOR)
1 2 3 4
6 7 8 9
In the UPS
5
1
2
3
4
5
6
7
8
9
17