4.2. Flash Codes
The different flash codes signal the present status of the DFA.
Signal sequence
Flash code
Description
LED off
0
DFA inoperative
LED on
1
DFA operating (standard mode)
LED sequence:
0,1 s on / 0,9 s off
2
automatic connection(s) active
LED sequence:
1 s on / 1 s off
3
automatic connection(s)
failed (blocked)
5. Wiring
The following diagram shows the connection assignment of the DFA:
1 2
3 4
5 6
7 8
9 10 11 12 13
15
14
16
0 V
+ 24 V DC
24
V AC
24 V AC/DC
1A
in / out
in
in
in
connecting
disconnecting
operational
blocked
common pole
common pole
24
V AC
Doepke
16
