Grundfos DMX 221 Montage- Und Betriebsanleitung Seite 10

3.8.1 Inputs and outputs
Inputs
Contact signal
Current 0-20 mA
Remote on/off
Two-stage tank-empty signal
Dosing controller and diaphragm leakage sensor
Outputs
Current 0-20 mA
Error signal
Stroke signal
Pre-empty signal
AR control unit factory settings
• Inputs and outputs: NO (normally open)
or
• inputs and outputs: NC (normally closed).
3.9 Materials
• Upper part of enclosure: PPO blend
• Lower part of enclosure: PP, glass-fibre-reinforced
• Stroke-length adjustment knob: ABS.
AR control unit enclosure
• Upper part of enclosure: PPO blend
• Lower part of enclosure: aluminium.
3.10 Weights
Pump type
Plastics
[kg]
DMX 4-10
DMX 7-10
DMX 9-10
DMX 12-10
DMX 17-4
DMX 25-3
DMX 7.2-16
DMX 8-10
DMX 14-10
DMX 18-10
DMX 26-10
DMX 39-4
DMX 60-3
DMX 13.7-16
DMX 16-10
DMX 27-10
DMX 35-10
DMX 50-10
DMX 75-4
DMX 115-3
10
Maximum load: 12 V, 5 mA
Maximum load: 22 Ω
Maximum load: 12 V, 5 mA
Maximum load: 12 V, 5 mA
Maximum load: 350 Ω
Maximum ohmic load:
50 VDC / 75 VAC, 0.5 A
Contact time/stroke: 200 ms
Maximum ohmic load:
50 VDC / 75 VAC, 0.5 A
Weight
Stainless steel
[kg]
5 7
5 7
5 7
5 7
7.5 12
8 13
5 7
5 7
5 7
5 7
5 7
7.5 12
8 13
5 7
5 7
5 7
5 7
5 7
7.5 12
8 13