Contents Chapter 3: Proportional DC Valves
Contents Chapter 3: Proportional DC Valves
Contents Chapter 3: Proportional DC Valves
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Catalogue HY11-3500/UK<br />
Characteristic Curves /Monitor Switch<br />
Pilot Operated <strong>Proportional</strong> <strong>DC</strong> Valve<br />
Series D*1FW<br />
Flow characteristics<br />
at ∆ p=5bar per metering edge<br />
D*1FW<br />
Spool code E* Spool code B*<br />
3<br />
Plug<br />
Solenoid coil<br />
1 = coil connection<br />
2 =coil connection<br />
PE =ground potential<br />
Monitor switch M12x1 pin assignment<br />
1 + Supply 18...42V<br />
2 output B(normally closed)<br />
3 0V<br />
4 output A(normally closed)<br />
5 Earth ground<br />
Signal Output A(pin 4) Output B(pin 2)<br />
neutral closed closed<br />
The neutral position is monitored. The signal changes<br />
after less than 10% ofthe spool stroke.<br />
open<br />
closed<br />
closed<br />
open<br />
DFW_UK.INDD CM_28.01.08.1<br />
3-30<br />
Parker Hannifin GmbH &Co. KG<br />
Hydraulic Controls Division<br />
Kaarst, Germany
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