Logic Level Interface - LEGRAND WHAD HE 3 kVA Installation Manual

3.8.2 Logic level interface

The logic level interface is available on connector D89 at the back of the UPS and makes it possible to connect the UPS in
remote control mode with the aim of monitoring its functioning status. The following control signals are available:
• Mains/battery mode
• Autonomy reserve
• UPS failure
• ON/OFF input
The electric characteristics of the logic level interface are the following:
- Logical output: V = 12 Vdc , impedance on output: 2.2 kΩ in series
MAX
- Power supply: 12 Vdc , I = 700 mA , not regulated
MAX
- Open collector outputs: 30 Vdc , I
PIN
1
2
3
4
5
6
7
8
9
= 50 mA
MAX
(maximum voltage + 15 V - corresponding to the panel ON/OFF key)
Autonomy reserve (output, active high)
Mains / Battery (output, active high)
Alarm (open collector, active low)
Autonomy reserve (open collector, active low)
Mains / Battery (open collector, active low)
WHAD HE 3-4-5-6 kVA
Detail B
FUNCTION
ON/OFF
Power supply
GND
GND
31