Technical Data - Grundfos Magna Installation And Operating Instruction

8. Technical data

Inputs for max. and min.
curves
Input for analog 0-10 V
signal
Input for control of twin-head
pumps
Bus input
12
External potential-free switch.
Contact load: 5 V, 1 mA.
Screened cable.
Loop resistance: Maximum 130 Ω.
External signal: 0-10 VDC.
Maximum load: 1 mA.
Screened cable.
Screened cable.
Wire cross section: 0.25 - 1 mm².
Cable length: Maximum 1 m.
Grundfos bus protocol, GENIbus protocol,
RS-485.
Screened cable.
Wire cross section: 0.25 - 1 mm².
Cable length: Maximum 1200 m.