Grundfos S Serie Instrucciones De Instalación Y Funcionamiento página 9

Level
transmitter
Fig. 2 Wiring diagram
Description
Cable type
FEP, PE-LD
EPR
Shielding
Reverse voltage
protection
Max. current
consumption
Electrical circuit
requirements
1
The product must be equipped with an electrical circuit that meets the
requirements of EN 61010-1.
2
The voltage peaks must not exceed or fall below the specified supply
voltage value.
Power
supply unit
Type S
• Supply voltage
DC 10-30 V
• U /S+: white
B
0 V/S-: grey
• Supply voltage DC 10 to 30 V
• U /S+: brown
B
0 V/S-: blue
Ground all connected products such as pumps and
valves to the same potential.
The cable is black.
≤ 25 mA
Controller Display
unit
Type E
Cable
• Supply voltage
DC 10-30 V
2
• U /S+ : white
B
0 V/S-: grey
Yes
30 mA
1
SELV
Recorder
Type W
• Supply voltage
DC 12-30 V
2
• U /S+ : white
B
0 V/S-: grey
-
≤ 25 mA
9