SMC Networks VP346E Series Operation Manual page 9

VP300, 500, 700, 900 Series / 3-Port Solenoid Valve Modular Type/
Residual Pressure Relief Valve
Specific Product Precautions 2
３ポート残圧排気弁
Be sure to read this before handling
Light/Surge Voltage Suppressor
With light/surge voltage suppressor (DZ,YZ)
For M12 connector
With light / surge voltage suppressor (KOZ)
 The varistor surge voltage suppressor has residual voltage
corresponding to the protective element and rated voltage;
therefore, protect the controller side from the surge voltage.
Valve EXH.[3(R)] port
Do not plug the 3(R) port of this valve as it is a residual pressure
relief valve.
Size
VP346E AC20
VP546E AC30
VP746E AC40
AC50
VP946E
AC60
Built-in check valve
A check valve is built into the pilot flow path to suppress the pilot
pressure drop due to pressure fluctuation in the inlet side.
There is a residual pressure between the check valve and the pilot
valve, please be careful when replacing the pilot valve.
Silencer
AN20-02, AN202-02
AN30-03, AN302-03
AN40-04, AN402-04
AN600-10, ANA1-10
Soft start-up function
When the soft start-up function is selected, the initial pressure of the
pneumatic system can be increased gradually.
●Adjustment method
Turn the needle of the throttle valve to the left from fully closed (as
shipped) to adjust the initial speed of the drive equipment on the outlet
side.
UL Approved Product
When conformity to UL is required, the product should be used with
a UL1310 Class 2 power supply.
The product is a UL approved product only if it has a
mark on the body.
- 8 -
throttle valve
No.VP500-OMZ0005-B