Vermes MDS 358X - Actuator Cable; Fig. 21: Distance of the Bores 45 MM; Wiring of the MDS

Initial Operation
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VTK-TR-BA-072e-1 - User Manual MDS 358X Series
Fig. 21: Distance of the bores 45 mm
IMPORTANT NOTE
Corrosion
In order to prevent corrosion, all parts used in connection with the valve (screws, fixing plates
etc.) should consist of stainless steel, nonferrous metals or galvanized steel.
6.3.3 Wiring of the MDS
The valve is connected to the control unit by means of a four-pin actuator plug (red) and five-pin
sensor plug (yellow). The plugs are protected by coding against interchanging by mistake.
WARNING
Switch off before removing plug
Never attempt to attach or remove one of these plugs, when the system is connected to mains.
CAUTION
Plan your cable connections carefully
Make sure to plan your cable run carefully, when considering the wiring, especially if the valve is
included into a more complex system. Your cables cannot hang too loose, since then they might
start to swing and get damaged, because of the vibrations of the valve. On the other hand, you
need enough length in your cables, if the valve is moved in the z-axis.
IMPORTANT NOTE
Switch off for disconnection
Before you disconnect the valve from the control unit or connect it to it, switch OFF the whole
system.
6.3.3.1 Actuator Cable
Power to the piezo element is supplied by the actuator cable, which is wrapped with a red
antikink sleeve. The voltage range is -50 V to 150 V (bipolar operation).