Endress+Hauser Liquiphant FTL41 Brief Operating Instructions page 24

Electrical connection
Behavior of the switch output and signaling
MAX
MIN
 21 FEL48 switching behavior and signaling
MAX DIP switch for setting the MAX safety
MIN DIP switch for setting the MIN safety
RD LED red for alarm
YE LED yellow, switch status
GN LED green, operational status, device on
5.4.4 Connecting the cables
Required tools
• Flat-blade screwdriver (0.6 mm x 3.5 mm) for terminals
• Suitable tool with width across flats AF24/25 (8 Nm (5.9 lbf ft)) for M20 cable gland
24
RD YE GN
L+
L+
L+
L+
L+
2.2...3.8 mA
2 1
0.4...1.0 mA
2 1
2.2...3.8 mA
2 1
0.4...1.0 mA
2 1
< 1.0 mA
2 1
Liquiphant FTL41
L-
L-
L-
L-
L-
A0037694
Endress+Hauser