Grundfos DME Serie Instrucciones De Instalación Y Funcionamiento página 15

Cable 3: Input for dosing stop and dosing monitoring or dosing output
Number / colour
Function
Dosing stop (input)
Dosing stop (input)
Dosing monitoring
Dosing monitoring
Dosing output (pump
running)
* Open collector (NPN) can be used for a relay or a lamp.
1. Using the internal 5 VDC power supply:
Max. current: 100 mA
Relay
Fig. 4
Cable 4: Level input
Number / colour
Function
Empty tank Potential-free*
Empty tank
Low level
Low level
* The function of the potential-free contact sets can
be selected via the control panel (NO = normally
open and NC = normally closed), see section
5.21 Input setup.
1 / brown 2 / white
5 V
Potential-free
Open collector
(NPN)*
Lamp
Power
1 / brown 2 / white
5 V
Potential-free*
3 / blue
Potential-free
Potential-free
2. Using an external power supply:
Max. 24 VDC - 100 mA
24 VDC
3 / blue
Potential-free*
Potential-free*
5 V
4 / black 5 / grey
Ground
Potential-free
Ground 5 V
Ground
Lamp
4 / black
Ground
Ground
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