KNF LIQUIPORT 1.100, Operating Instructions Manual

Page: 20 / 48

Technical data Operating Instructions LIQUIPORT EN
20 KNF Flodos | BA_LIQUIPORT_EN_11_153820.docx | Translation of original operating instructions, English
3.9 External actuation (RC version only)
Parameter Value
Analog input
Signal range 0-10V
Signal range optional 1) 0-20mA
Input resistance
133 k

at 0-10 V
510

at 0-20mA
Dielectric strength 24V DC
Digital input
Signal range Pull up to 24 V
Dielectric strength 24V DC
Voltage level without external wir-
ing 19V typ.
Level low
≤ 4.0V = low
Level high
≥ 14.0V = high
Pull-up resistance
10 k

Resistance to ground/GND
43 k

Digital output
– open-collector output (NPN transistor to GND)
Dielectric strength 24V DC
Loading capacity/output current
low level
0…10mA typ.
20mA max.
Tab. 8: External actuation
1)
Optional on request.
1 Analog input
Brown
2
External actuation jumper
White
3 Pulse input
Blue
4
Open collector output
Black
5
Ground
Grey
Fig. 4: RC cable pin assignment
Pin no. Lead colour Description Function
1 brown Analog input (0%) 15% to 100% flow
rate
2 white
External actuation
jumper Switches pump over to
external actuation.
→
Control knob is deac-
tivated
3 blue Pulse input
Start/Stop via external
actuation
4 black Open collector out-
put Operating mode output
(On/Off)
5 grey Ground/GND --
Tab. 9: RC cable pin assignment