20
EN
PCB DESCRIPTION
1. Terminals (clockwise):
1.1 Power supply (+,-)
1.2. Tamper (T,T) (nc) solid state relay
1.3. Input for remotely inhibition (I)
1.4. Fault and mask output (F) (nc) open collector with the second
terminal in common on terminal (-)
1.5. Alarm (A, A) (nc) solid state relay
Notes
:
• All the outputs are normally closed (nc).
• Input for remotely inhibition (I) used to enable/disable the LED
remotely.
• Fault output (F) signals:
- Masking
O
N O
N
1
2
3
4
A A F I
T T
1
2
4
6
3
5
7
velum DT-AM
O
N O
N
1
2
3
4
A A F
I
T T
1
2
4
6
3
5
7
velum-C
