Endress+Hauser Liquiphant FTL51B Operating Instructions Manual page 27

Liquiphant FTL51B
Endress+Hauser
Terminal assignment
1 When bridged, the relay output works with NPN logic.
2 Connectable load
Behavior of the switch output and signalling
MAX
MIN
MAX DIP switch for setting the MAX safety mode →  37
MIN DIP switch for setting the MIN safety mode →  37
RD LED, red, for alarm
YE LED, yellow, switch status
GN LED, green, operational status (device on)
Functional test
→  38
COM
MAX >0,7
MIN >0,5
U = 9...35 V DC
L1 N
1 2 3 4 5
0.5 A
L1 N PE NO C NC
L+ L- a u
1 2
RD YE GN
Electrical connection
3 5 6 8
4 7
6 7 8
NO C NC
r a u r
2
3 4 5 6 7 8
3 4 5 6 7 8
3 4 5 6 7 8
3 4 5 6 7 8
3 4 5 6 7 8
A0037685
A0033513
27