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
Содержание LIQUIPORT 1.100
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