SMC Networks VPX400 Series Operation Manual
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SMC Networks VPX400 Series Operation Manual

Safety exhaust valve
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Doc. No. DOC1092179
PRODUCT NAME
Safety exhaust valve
MODEL / Series / Product Number
Series: (25A-)VPX400

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Summary of Contents for SMC Networks VPX400 Series

  • Page 1 Doc. No. DOC1092179 PRODUCT NAME Safety exhaust valve MODEL / Series / Product Number Series: (25A-)VPX400...
  • Page 2 Contents Safety Instructions ----------------------------------------------------------------------------------- 2 to 4 3 port solenoid valve / Precautions -------------------------------------------------------------- 5 to 7 Specific Product Precautions ---------------------------------------------------------------------- 8 to 20 Troubleshooting ----------------------------------------------------------------------------------------- 21 No.DOC1092179...
  • Page 3 Products compatible with safety standard ISO13849-1 Safety Instructions These safety instructions are intended to let you use the product safely and correctly and to prevent hazardous situations and/or equipment damage. The following instructions indicate the level of potential hazard with the labels of "Caution,"...

  • Page 4: Safety Instructions

    Safety Instructions Caution SMC products are developed, designed, and manufactured as products for automatic control equipment and provided to manufacturing industries for peaceful use. Use of the product in other than manufacturing industries shall be out of the scope of the product warranty. Products manufactured and sold by SMC cannot be used for business or certification ordained by the metrology (measurement) laws.
  • Page 5 Safety Instructions Warning Restrictions on safety relay and safety control When the safety output from a safety relay or safety control is used to operate this product, set the widths of all output test pulses to less than 1 ms so that the solenoid does not respond. Output signal Test pulse <...

  • Page 6: Port Solenoid Valve / Precautions

    (25A-)VPX400 Series 3 port solenoid valve / Precautions 1 Be sure to read before handling. Design/Selection the output circuit, peripheral device, or valve, and may also cause fire accident. Therefore, take appropriate protective Warning measures, such as installation of an overcurrent protection circuit in the power unit or drive circuit, to maintain the sufficient (1) Confirm the specifications.
  • Page 7 (25A-)VPX400 Series 3 port solenoid valve / Precautions 2 Be sure to read before handling. Wiring (6) Install an air filter. Install an air filter at immediate upstream of the valve. Warning Select an air filter with a filtration degree of 5 μm or finer.
  • Page 8 (25A-)VPX400 Series 3 port solenoid valve / Precautions 3 Be sure to read before handling. Operating Environment Caution (2) Ambient environment humidity When the valve is used in an environment with low humidity, ● take countermeasures against static electricity. When the valve is used in an environment with high humidity, ●...

  • Page 9: Specific Product Precautions 1

    (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 1 Be sure to read before handling. (9) For the specifications of and precautions on various pressure Specifications gauges (G/M/E/E1/E2/E3/E4), refer to the catalog for this series 1. Valve specifications or the operation manual.
  • Page 10 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 2 Be sure to read before handling. 6. Pneumatic circuit diagram SOL.1 SOL.2 Soft start-up valve Needle Fig. 1. Pneumatic circuit diagram (VPX400) No. DOC1092179 - 9 -...
  • Page 11 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 3 Be sure to read before handling. 7. LEDs LED ON LED OFF color condition condition LED for SOL.1 SOL.1 non- SOL.1 solenoid energized energized energization SOL.2 SOL.2 non- SOL.2...
  • Page 12 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 4 Be sure to read before handling. 10. Safety system • The valve response time OFF (T2) depends on the volume (V) and 10.1 Safety system circuit diagram flow rate of the protected system. We define the period of time in...
  • Page 13 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 5 Be sure to read before handling. 10.4 Relationship of flow rate and response time to Note that when the pilot pressure drops due to narrowing of safety function pipe, repetitive operation, or for other reason even when the •...
  • Page 14 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 6 Be sure to read before handling. 3. Air supply As this product is not equipped with connection threads, it is necessary to separately order spacers with bracket and piping Warning adapters.
  • Page 15 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 7 Be sure to read before handling. 5.1.2 Pressure sensor (SEN.E/SEN.2) electric circuit 5. Electrical circuit and electric connection • Fig. 10 to Fig. 12 show diagrams of the pressure sensor electric circuits of this product.
  • Page 16 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 8 Be sure to read before handling. 5.2 Electric connection Connector pin assignment (A cord, plug) for pressure • When electric power supply is connected to the valve, make sure •...
  • Page 17 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 9 Be sure to read before handling. 5.2.2 Cable with M12 connector Specifications of cable with M12 connector for Specifications of cable with M12 connector (A cord, • • SOL.SEN.
  • Page 18 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 10 Be sure to read before handling. Maintenance Maintenance 3. Diagnosis test Caution Warning • Failure to observe the procedures for maintenance may cause malfunction or breakage of device. For the purpose of declaring Cat.4, conduct the following diagnosis •...
  • Page 19 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 11 Be sure to read before handling. 1) Remove the pressure gauge cover. Turn the pressure gauge cover by 15 degrees in the arrow 4.Replacement direction (counterclockwise) and then pull it out toward you.
  • Page 20 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 12 Be sure to read before handling. 4.5 Replacement parts Plug/pressure gauge/ Applicable valve product No. (refer to the catalog for the part No.) Replacement parts digital pressure switch Pressure gauge type...
  • Page 21 (25A-)VPX400 Series 3 port solenoid valve / Specific Product Precautions 13 Be sure to read before handling. UL-certified parts Caution For the direct current power supply to be used when conformity to UL is necessary, use a UL1310 class 2 power unit.

  • Page 22: Troubleshooting

    Troubleshooting Symptom Possible causes Corrective action - Confirm that the LEDs (SOL.1/SOL.2) of the pilot valve are lit. The pilot valves (2 pcs.) are not energized. - Confirm that the voltage is within the specification range. - Confirm that the supply pressure is within the specification The supply pressure is too low.
  • Page 23 Revision 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 http://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. © SMC Corporation All Rights Reserved No.DOC1092179...

This manual is also suitable for:

Vpx406-a3Vpx406-a4Vpx406-a6Vpx40025a-vpx400

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