SMC Networks D-P5DW Switch User Manual
Contents
1. Model number Wiring style Two wire type Non polarity D P5DW Application 24V DC Relay PLC Current consumption Source voltage Load voltage DC24V DC20 28V Load current Internal voltage drop 6 40mA 5V or less Leak current 1mA or less at DC24V Proof voltage Operating time 40ms or less Operating Two colour indicator lamp 1 Magnet field AC16000A proof 2 Proof impact 1000m s Insulation resistance 50M Q or more at DC500V mega AC1000V for 1 minute lead wire between cases Ambient temperature 10 60 C Protection structure 1 Operating position Red diode lights Optimum operating position Green diode lights 2 Applicable adjacent to conductor Omm Installation Actuators Z WARNING To eliminate the possibility of magnetic interference between switch es please ensure that when two or more actuators are used in parallel they are kept at least 40mm apart A Mid stoke position sensing Exercise caution when attempting to detect the piston at mid position without stopping as the switch detection time may be too short particularly at relatively high actuator speeds Detectable max piston speed can be obtained by the following formula V mm s Auto switch operating range mm x1000 i Load operating time ms Where possible keep all wiring as short as possible Z CAUTION If the 2 wire type solid state auto s2. actuator has a specified mounting bracket to mount the switch to the actuator The type of bracket depends on the following e Type of actuator and tube O D Please consult the current actuator catalogue for details When fitting an auto switch for the first time please ensure that the actuator is fitted with a magnet and that the brackets are correct for the actuator type Sink output mode Source output mode ON OFF i t pRed p Green 4 Red 4 4 Operating range 4 lt gt Autoswitch set screw M3x0 5x104 EX w Hysteresis a ee ON position ees Aes Piston moviy Pia Hysteresis direction OFF position Fig 2 Fig 5 Appropriate tightening torque M3 mounting screw correct tightening torque is 0 5 0 7 Nm 5 1 7 1 kgf cm Setting the switch detection position Fig 6 Position the actuator at its stroke end Single colour display Move the auto switch into the centre of the operating range and ensure that the red LED is ON Two colour display Move the Auto switch into the centre of the operating range and ensure that the green LED is ON Detecting actuator stroke end Refer to dimensions A amp B in the actuator catalogue Fig 6 Z CAUTION Welding current his product has no immunity against high magnetic fields Do not use in applications where welding takes place using D C inverter rectified source If using in conjunction with a D C wel
3. D S TFI99GB O This manual should be read in conjunction with the current product catalogue Safety Instructions hese safety instructions are intended to prevent a hazardous situa ion and or equipment damage These instructions indicate the level of potential hazard by label of Caution Warning or Danger o ensure safety be sure to observe 1504414 e JIS B 8370 and other safety practices ote 1 ISO 4414 Pneumatic fluid power Recommendations for the application of equipment to transmission and control systems ote 2 JIS B 8370 Pneumatic system axiom gt CAUTION Operator error could result in injury or equipment damage WARNING Operator error could result in serious injury or loss of life possible result of serious injury or loss of life A DANGER n extreme conditions there is a WARNING The compatibility of pneumatic equipment is the respon sibility of the person who designs the pneumatic system or decides its specifications Since the products specified here are used in various operating conditions their compatibility for the specific pneumatic system must be based on specifications or after analysis and or tests to meet your specific requirements Installation and Maintenance Manual Solid State Auto Switch Series D PS5DW For future reference please keep this manual in a safe place 2 Only trained personnel should operate pneumatically operated ma
4. ch requires high reliability then instigate mechanical protection or place another switch double inter lock style together Ensure the correct operation of this Inter lock frequently Ensure when installing this product that enough space is available for maintenance to be carried out Z CAUTION Do not subject this product to any form of impact damage Do not lift an actuator fitted with an auto switch by the switch lead as stress may be applied to the inside of the switch Ensure auto switch mounting screw is tightened to the correct torque see Mounting of switch bracket Adjust the auto switch so that the ON position coincides with the cen tre of the operating area If the switch is set to one side or the other of this centre position then inconsistent operation will occur Do not apply repeated bending or tensile forces to the connecting wiring as this may cause disconnection Bend radius is approximately R40mm or more Connect the load before applying power to the switch failure to do so may cause excess current to damage the switch Ensure wiring is carried out correctly Not all wiring modes have pro ection and the switch may be damaged Separate signal lines from power high voltage lines to prevent noise Ensure all wiring is correctly and fully insulated Z WARNING DO NOT USE THIS SWITCH IN AN EXPLOSIVE ATMOSPHERE Do not use this switch in high magnetic fields as this will damage the switch and act
5. chinery and equipment Compressed air can be dangerous if an operator is unfamiliar with it Assembly handling or repair of pneumatic systems should be performed by trained and experienced operators 3 Do not service machinery equipment or attempt to remove component until safety is confirmed 1 Inspection and maintenance of machinery equipment should only be performed after confirmation of safe locked out control positions 2 When equipment is to be removed confirm the safety process as mentioned above Switch off air and electrical supplies and exhaust all residual compressed air in the system 3 Before machinery equipment is re started ensure all safety measures to prevent sudden movement of cylinders etc Bleed air into the system gradually to create back pressure i e incorporate a soft start valve 4 Contact SMC if the product is to be used in any of the following conditions 1 Conditions and environments beyond the given specifica tions or if product is used outdoors 2 Installations in conjunction with atomic energy railway air navigation vehicles medical equipment food and beverage recreation equipment emergency stop circuits press applications or safety equipment 3 An application which has the possibility of having negative effects on people property or animals requiring special safety analysis CAUTION Ensure that the air supply system is filtered to 5 micron 1 Product specification
6. ding application remove he switch from the D C source and operate it as a standard switch As a rule of thumb in this type of application to prevent malfunction use the scale 10 000A switch which should be at least 30cm away rom the source Effect of magnetisation de magnetisation n the case of exceeding the 10 000A although this is very rare the detecting performance of the switch will deteriorate due to de magnetisation the magnetic field shrinks of the detecting magnet Parts around the actuator also become magnetised Should any malfunction occur please contact your nearest SMC office for advice Z CAUTION In all cases do not clean with a solvent solution When you enquire about the product please contact the following SMC Corporation ENGLAND Phone 01908 563888 TURKEY hone 212 2211512 ITALY Phone 02 92711 GERMANY hone 6103 402 0 HOLLAND Phone 020 5318888 FRANCE hone 01 64 76 10 00 SWITZERLAND Phone 052 396 3131 SWEDEN hone 08 603 07 00 SPAIN Phone 945 184100 AUSTRIA hone 02262 62 280 Phone 902 255255 IRELAND hone 01 4501822 GREECE Phone 01 3426076 DENMARK Phone 70 25 29 00 FINLAND Phone 09 68 10 21 NORWAY hone 67 12 90 20 BELGIUM Phone 03 3551464 POLAND hone 48 22 6131847 PORTUGAL Phone 02 610 8922
7. em y 7 Stay ON Condition sometimes OFF Indicator Stay OFF Stay ON sometimes ON lamp lights Stay OFF Indicator Stay OFF Normal lamp lights Normal Source voltage 2 wires or load voltage 3 wires y Normal Abnormal SN i 2 wires 2 wires wires wires 3 wires y 3 wires Load spec Replace the __ Load spec check switch check y Normal Abnormal Normal Abnormal Normal Abnormal Wiring output check Normal Abnormal Load spec check ON voltage gt Load voltage Internal voltage drop Load spec check OFF current gt Leak current Switch output parts failure replace Correct wiring Replace switch 2 wires 3 wires Switch failure Replace cylinder Detectable magnet field inadequate No magnet Replace PLC input board or replace switch 2 wire 3 wires 2 wire type Sink output OUT Brown Red Power OUT source O Blue Black 2 wire type Source output OUT O Power Brown Red source OUT O Blue Black Fig 4 Exterior dimensions D 5DW Indicator lamp Fig 1 or Solenoid valve a built in surge protection circuit is installed If an auto switch is to be used to generate an inter lock signal whi
8. uator magnet Do not use this switch in water laden atmospheres oil or chemical aden atmospheres Do not use this switch in conditions where temperatures are outside of the switch operating Spec Protect the switch from weld spatter and accumulation of iron dust etc Maintenance To avoid incorrect operation periodic maintenance should be carried out e Check tightness of mounting screw regularly to prevent possible movement of the switch from its set position e Regularly check condition of the wiring Repair insulation damage immediately or replace the switch e Ifa red LED is showing this indicates that the switch has moved from the set position Re adjust the switch until the green LED is showing this is the optimum position Z CAUTION If detection failure occurs i e LED remains ON follow the faultfinding chart above Fig 1 For applications involving contact with water elasticity and welding contact your nearest SMC Office See at the end of this Manual If the hysteresis between the ON and OFF position of the switch is incorrect please consult SMC Fig 3 Basic wiring Fig 4 Lead wire colour in brackets indicates products complying with IEC Connection with PLC sequence controller Depending on the PLC input specification the output design of 3 wire type switches and 2 wire type switches differ See below PLC input specification Sink input Source input Mounting of switch bracket Each
9. witch has a large internal voltage drop and leakage current is also high it is possible that the load may not operate correctly due to incorrect load spec Please confirm the fol lowing conditions before operation and note that the internal voltage IEC529 standard IP67 JISC0920 drop and leak current have a considerable influence on the serial and parallel connection of the 2 wire solid state switch Leak current influence L E Voltage generated to the load when the power is turned off Voltage generated Auto switch leak current x load resistance If this voltage exceeds the OFF voltage of the load it is possible that the load may stay ON In order to match the condition of the controller input unit and leak current then auto switch leak current must be less than input unit OFF current Internal voltage drop Should an internal voltage drop occur then the load supply voltage will also drop as the switch operates Load supply voltage Source voltage Internal voltage drop When the load supply voltage becomes lower than the switch ON voltage the load may not operate correctly Z WARNING Incorrect load voltage Although the switch will operate correctly even if the load current is below the limit of the specification the indicator light will be dimmed If the load current falls to 3mA or lower the operation may not start Ensure that if using a load that can generate a surge voltage ie Relay Probl
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