Grundfos Vortex Flow Industry Instructions Manual page 8

8
2
3
TYPE: Loop-powered, 2 wire
12.5-30 VDC Flow signal 4-20 mA
Max. 8 A
1
!
1
4
3
Not in use
Load impedance
Max 60 Ω at 12.5 VDC
Max 100 Ω at 13.3 VDC
Max 600 Ω at 24 VDC
Max 900 Ω at 30 VDC
Pin 4-20 mA 0-10 V (2 x 0 - 10 V)
1 + Supply + Supply
2 Flow signal
3 Flow signal GND*
4 Temperature signal
* Common ground for both pressure
& temperature signal.
TYPE: VFI (+T) 4 wire
16.6 - 30V Sensor/
analog input
1
2
Flow signal
0-10V
GND Sensor/
analog input
3
4
Temperature
signal 0-10V