9
2018-08-01
4.1 Connect slave unit to master unit and first power supply
- Provide 230 V power supply to FDS-M as described in point 3.1 p. 7
- Provide 230 V power supply to transformer FDS-P
- Supply power to the first slave unit through G0 and G pins
- Connect the signal from master unit FDS-M to A and B pins
0
2
4V
0
2
3
0V
4. Installation with slave unit
If in the system there are slave unit (FDS-S) the first slave must be supplied with power supply unit (FDS-P).
Commutication (2 input)
230 V
230 V
24 V (2 input)
0
FDS-P
24V
0
B
230V
A
G
G0
A
B
FDS-S
FDS-M
B
A
N
RS485
G
G
0
A
B
