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1. 014 Operation Manual PRODUCT NAME Sl unit for CC Link MODEL Series Product Number EX12 SMJ1 Series SMC Corporation LEL CRR oafety Instructions 2 Model Indication and How to Order 8 Summary of Product parts 9 Definition and terminology 11 Mounting and Installation 12 Communication wiring 12 Power supply wiring 14 Settings 15 Maintenance 19 Troubleshooting 21 Specification 31 Specifications 31 Dimensions 32 No EXX X OMB0014 G Safety Instructions These safety instructions are intended to prevent hazardous situations and or equipment damage These instructions indicate the level of potential hazard with the labels of Caution Warning or Danger They are all important notes for safety and must be followed in addition to International standards ISO IEC and other safety regulations 1 ISO 4414 Pneumatic fluid power General rules relating to systems ISO 4413 Hydraulic fluid power General rules relating to systems IEC 60204 1 Safety of machinery Electrical equipment of machines Part 1 General requirements ISO 10218 1992 Manipulating industrial robots Safety etc A Amie CAUTION indicates a hazard with a low level of risk which if not avoided NCaution could result in minor or moderate injury WARNING indicates a hazard with a medium level of risk which if not NMarning avoided could result in death or serio2. O No EXX X OMB0014 G oFaults and countermeasures Trouble P Power supply for communication wiring failure 1 S unit PW LED is OFF Power supply for communication failure SI unit PW 2 LED is ON Communication and wiring failure RD LED is OFF Master station power supply failure S unit L RUN Communication LED is OFF failure 3 and L ERR LED is OFF Station number setting error Communication speed setting error Station number setting error or SI unit L RUN duplicate station 4 LED is OFF number error and LERR LED is Communication speed setting error Y Check the power supply for communication cable for breaks and check that the terminals are not Connect the power supply loose cable correctly Avoid repetitive bending and stress on the cables which may cause damage eileen ii Aid un To Correct the wiring communication wiring for any errors Supply 15 to 30 VDC to the power supply for communication Check the power supply for communication voltage Check the communication cables for breaks and check that the terminals are not loose Avoid repetitive bending and stress on the cables which may cause damage Connect the communication cable correctly Check the communication wiring for Correct the wiring any errors Connect the power supply to the master station correctly Check the power supply to the master station Check that there are no high voltage cables
3. m Do not operate in an atmosphere containing flammable or explosive gases Fire or an explosion can result This product is not designed to be explosion proof using the product an interlocking circuit Provide a double interlocking system for example a mechanical system eCheck the product regularly for proper operation Otherwise malfunction can result causing an accident m The following instructions must be followed during maintenance Turn off the power supply Stop the air supply exhaust the residual pressure and verify that the air is released before performing maintenance Otherwise an injury can result No EXX X OMB0014 G mAfter maintenance is complete perform appropriate functional inspections Stop operation if the equipment does not function properly Safety cannot be assured in the case of unexpected malfunction mProvide grounding to assure the safety and noise resistance of the Serial System Individual grounding should be provided close to the product with a short cable NOTE oFollow the instructions given below when designing selecting and handling the product e The instructions on design and selection installation wiring environment adjustment operation maintenance etc described below must also be followed Product specifications When conformity to UL is required the SI unit should be used with a UL1310 Class 2 power supply The SI unit is a UL approved product only if they
4. generates a large amount of surge solenoid type lifter high frequency induction furnace motor etc close to the fieldbus system this may cause deterioration or breakage of the internal circuit of the fieldbus system Avoid sources of surge generation and crossed lines When a surge generating load such as a relay or solenoid is driven directly use an fieldbus system with a built in surge absorbing element Direct drive of a load generating surge voltage can damage the fieldbus system The product is CE marked but not immune to lightning strikes Take measures against lightning strikes in the system Prevent foreign matter such as remnant of wires from entering the fieldbus system to avoid failure and malfunction No EXX X OMB0014 G Mount the product in a place that is not exposed to vibration or impact Otherwise failure or malfunction can result Do not use the product in an environment that is exposed to temperature cycle Heat cycles other than ordinary changes in temperature can adversely affect the inside of the product Do not expose the product to direct sunlight If using in a location directly exposed to sunlight shade the product from the sunlight Otherwise failure or malfunction can result Keep within the specified ambient temperature range Otherwise malfunction can result Do not operate close to a heat source or in a location exposed to radiant heat Otherwise malfunction can result Adjustment and Ope
5. of the CC Link system Refer to Fig 2 Master unit aims unit Local unit ud aa Terminating Terminating resistor resistor 3 The appropriate terminating resistor varies depending on the CC Link cable used Refer to the table and Fig 3 below Cable type Terminating resistor CC Link dedicated cable l 110 Q 1 2 W Brown Brown Brown CC Link dedicated cable compatible to Ver 1 10 CC Link dedicated high performance cable 130 Q 1 2 W Brown Orange Brown 6 2 Terminating resistor Fig 3 Use the correct terminating resistor available from the manufacturer of the CC Link master Use a CC Link dedicated cable or a cable with the same specifications If a cable with any other specifications is used normal data transmission cannot be guaranteed 12 O No EXX X OMB0014 G 4 The CC Link dedicated cable s shield wire SLD should be connected to the FG terminal of the SI unit For the 12 5 1 the SLD terminal and FG terminal are common Therefore connect 3 wires to the FG Terminal as shown in Fig 4 SI unit SLD line Fig 4 Wiring to the FG terminal FG line on the SI unit When connecting 3 wires to the FG terminal crimp 2 wires together into one crimped terminal as shown in Fig 5 Use another crimped terminal for other wires After crimping connect wires so that the back of the two crimped terminals face each other E E Fig 5 How t
6. or equipment that generates noise around the communication and power supply cables Separate the communication and power supply cables from the noise sources Check that the SI unit station number setting and the setting in the master station are the same Correct the setting Check that the SI unit communication speed setting and the setting in the master station are the same Check that the station number settings contain no errors and no duplications Correct the setting To review the setting method see Settings Check that the communication speed is set correctly No EXX X OMB0014 G Trouble D Communication speed setting Sl unit L RUN error LED is ON and SD LED is OFF Station number setting error or duplicate station number error Communication speed change error SI unit L RUN LED is ON and L ERR LED is flashing Station number setting change error Communication failure Solenoid valve failure Connection failure between SI unit and solenoid valve manifold Solenoid valve malfunction Too many solenoid valves more than 16 outputs Y Check that the SI unit communication speed setting and the setting in the master station are the same Check that the station number settings contain no errors and no duplications Check that the communication speed setting has not changed while the power supply for communication is supplied Check that the station number
7. setting has not changed while the power supply for communication is supplied Check that there are no high voltage cables or equipment that generates noise around the communication and power supply cables Replace the solenoid valve with another and check the operation or check the troubleshooting section in the solenoid valve manual Check the connector between the SI unit and solenoid valve manifold for a connection failure such as a bent pin Check that the total number of outputs for the connected solenoid valves is 16 or less Correct the setting Correct the settings with the power supply turned off and then supply the power again Separate the communication and power supply cables from the noise sources Check the troubleshooting section of the solenoid valve manual or contact SMC Correct the connection between the SI unit and solenoid valve manifold Correct the total number of outputs connected to the EX12 SMJ1 unit to 16 outputs or less No EXX X OMB0014 G Precautions for replacement of SI unit 1 Be sure to turn the power OFF before replacing the SI unit Otherwise injury or SI unit malfunction can result 2 Check the wiring before supplying power Otherwise damage to the SI unit can result in some wiring conditions causing breakdown or malfunction 3 The screws should be tightened to the specified torque 4 Check the seal is not caught or left unmounted Otherwise the enclosu
8. Remove the screws 4 x M4 which secure the SI unit to the manifold Terminal block lt EX124 series Refer to page 29 gt lt EX126 series Refer to page 30 gt 28 Y No EXX X OMB0014 G lt 124 series 3 Remove the manifold wiring from the SI unit Pull out the cable with connector manifold wiring from the manifold while holding the board of the SI unit TE Pulling enm direction Cable with connector g eMounting 1 Connect the manifold wiring to the SI unit Follow the procedure of step 3 in reverse eEnsure the cable manifold wiring does not get caught between the SI unit and the manifold Otherwise damage to the unit can result due to cable breakage causing breakdown or malfunction eTighten the screws diagonally so that the SI unit is securely fitted Tightening torque 0 6 Nm 2 Mount the SI unit to the manifold then wiring the communication terminal and power terminal 3 Mount the cover to the SI unit after setting the switches Tighten the screws diagonally so that the cover unit is securely fitted Tightening torque 0 6 Nm Y No EXX X OMB0014 G lt EX126 series 3 Remove the manifold wiring from the SI unit Q Q EX126 VQ4000 Base eMounting 1 Mount the SI unit to the manifold then wiring the communication terminal and power terminal 2 Mount the cover to the SI unit after setting the switches Tighten the screws diagonally so that the cover
9. ct mounting Plug in EX121 DIN rail mounting Flat ribbon cable EX122 DIN rail mounting Plug in EX124U Direct mounting Plug in IP65 U side EX124D Direct mounting Plug in IP65 D side EX126D Direct mounting Plug in IP67 D side No EXX X OMB0014 G Summary of Product parts EX120 SMJ1 EX121 SMJ1 ZAN nna wal ae Pi EX122 SMJ1 No EXX X OMB0014 G EX124D U SMJ1 Waterproof plug seem 2 Cable gland Example 8 Waterproof plug assembly Cable gland Example EX126D SMJ1 10 Y No EXX X OMB0014 G o Terminal block with switch cover open Description Output connector To connect to the valve manifold LED display to indicate the status of the SI unit Be ado Switches for setting the station number and transmission speed Communication terminals DA DB DG To connect the CC Link line with a CC Link dedicated cable Power supply terminals 24 V 0 V To supply power to solenoid valves Power supply terminals 24 V 24 G To supply power for communication l To connect to functional ground and to connect the CC Link cable FG terminal shield wire 7 DIN rail mounting bracket For mounting to a DIN rail For connecting the communication and power supply cables to the SI unit For wiring use a G1 2 cable gland to achieve enclosure rating of IP65 67 The cable gland should conform to the wire diam
10. e of the vacuum pad or failure due to the deterioration of rubber material are not covered by the limited warranty Compliance Requirements 1 The use of SMC products with production equipment for the manufacture of weapons of mass destruction WMD or any other weapon is strictly prohibited 2 he exports of SMC products or technology from one country to another are governed by the relevant security laws and regulation of the countries involved in the transaction Prior to the shipment of a SMC product to another country assure that all local rules governing that export are known and followed No EXX X OMB0014 G Operator his operation manual is intended for those who have knowledge of machinery using pneumatic equipment and have sufficient knowledge of assembly operation and maintenance of such equipment Only those persons are allowed to perform assembly operation and maintenance Read and understand this operation manual carefully before assembling operating or providing maintenance to the product s oafety Instructions mDo not disassemble modify including the replacement of the circuit board or repair the product Do not use the components other than the specified components An injury or failure can result mDo not operate the product outside of the specifications Do not use for flammable or harmful fluids Fire malfunction or damage to the product can result Verify the specifications before use
11. eter of the communication and power supply cables and should be tightened with the specified torque Incorrect handling of the wiring entry may allow foreign matter to enter the SI unit which will lead to a malfunction and damage to the SI unit Use the waterproof plug assembly part number AXT100 B04A for unused wiring entries Wiring entry 4 places Definition and terminology Numbers assigned to the slave stations from 1 to 64 with No 0 assigned to the CC Link master Slave stations must be assigned numbers according to the number of occupied stations so they are not duplicated Number of networked stations in use by a slave Depending on the data one to four stations can be set The remote I O only occupies one station A station which can only use digital data Occupies only one Station Example digital units solenoid valves sensors etc Y No EXX X OMB0014 G Mounting and Installation aCommunication wiring The connection between a CC Link dedicated cable and an SI unit communication terminal for CC Link is shown below 1 Be sure to connect each signal line to its dedicated terminal Refer to Fig 1 Tighten the screws securely with a torque of 0 5 to 0 6 Nm The terminal screw is an M3 cross head screw v Et E JL 6 2 ee eee se Blue White Yellow Shield Fig 1 2 Be sure to connect a terminating resistor between DA and DB at both ends
12. have mark on the body Use the specified voltage Otherwise failure or malfunction can result Reserve a space for maintenance Allow sufficient space for maintenance when designing the system Do not remove any nameplates or labels This can lead to incorrect maintenance or misreading of the operation manual which could cause damage or malfunction to the product It may also result in non conformity to safety standards No EXX X OMB0014 G e Product handling Installation Do not drop hit or apply excessive shock to the fieldbus system Otherwise damage to the product can result causing malfunction Tighten to the specified tightening torque If the tightening torque is exceeded the mounting screws may be broken Never mount a product in a location that will be used as a foothold The product may be damaged if excessive force is applied by stepping or climbing onto it Wiring Avoid repeatedly bending or stretching the cables or placing heavy load on them Repetitive bending stress or tensile stress can cause breakage of the cable Wire correctly Incorrect wiring can break the product Do not perform wiring while the power is on Otherwise damage to the fieldbus system and or I O device can result causing malfunction Do not route wires and cables together with power or high voltage cables Otherwise the fieldbus system and or I O device can malfunction due to interference of noise and surge voltage from power and h
13. he product herein described is basically provided for peaceful use in manufacturing industries If considering using the product in other industries consult SMC beforehand and exchange specifications or a contract if necessary If anything is unclear contact your nearest sales branch Limited warranty and Disclaimer Compliance Requirements The product used is subject to the following Limited warranty and Disclaimer and Compliance Requirements Head and accept them before using the product Limited warranty and Disclaimer 1 The warranty period of the product is 1 year in service or 1 5 years after the product is delivered whichever is first Also the product may have specified durability running distance or replacement parts Please consult your nearest sales branch For any failure or damage reported within the warranty period which is clearly our responsibility a replacement product or necessary parts will be provided This limited warranty applies only to our product independently and not to any other damage incurred due to the failure of the product Prior to using SMC products please read and understand the warranty terms and disclaimers noted in the specified catalogue for the particular products 2 Vacuum pads are excluded from this 1 year warranty A vacuum pad is a consumable part so it is warranted for a year after it is delivered Also even within the warranty period the wear of a product due to the us
14. ifold The fuses are positioned either side of the connector on the bottom face of SI unit Fuse part number EX9 FU20 Fuse EX9 FU20 Bottom view of Housin 20 Y No EXX X OMB0014 G Troubleshooting oTroubleshooting Applicable model EX12 SMJ1 If an operation failure of the product occurs please confirm the cause of the failure from the following table If a cause applicable to the failure cannot be identified and normal operation can be recovered by replacement with a new product this indicates that the product itself was faulty Problems with the product may be due to the operating environment network construction etc Please consult SMC If the cause of the problem cannot be found and the SI unit is not faulty then inconsistencies with parameter settings or the network construction at the master station is possible In this case please refer to the troubleshooting section of the CC Link master user s manual by Mitsubishi Electric Corporation Solenoid valve Only the solenoid Solenoid valve malfunction valve LED is ON failure SI unit PW Refer to Fault Yes LED is OFF No 1 NO a SI unit RD Refer to Fault LED is OFF No 2 SI unit L RUN SI unit L ERR Refer to Fault LED is OFF LED is OFF No 3 Refer to Fault No 4 Sl unit SD Refer to Fault LED is OFF No 5 SI unit L ERR LED is flashing Solenoid valve malfunction S unit has no error Hefer to Fault No 6 Hefer to Fault No 7
15. igh voltage cables to the signal line Route the wires piping of the fieldbus system and or I O device separately from power or high voltage cables eConfirm proper insulation of wiring Poor insulation interference from another circuit poor insulation between terminals etc can lead to excess voltage or current being applied to the product causing damage Take appropriate measures against noise such as using a noise filter when the fieldbus system is incorporated into equipment Otherwise noise can cause malfunction Environment Select the proper type of protection according to the environment of operation In case of IP20 avoid use in the place where water and oil scatter IP65 67 protection is achieved when the following conditions are met 1 The units are connected properly with fieldbus cable with M12 connector and power cable with M12 M8 connector 2 Suitable mounting of each unit and manifold valve If using in an environment that is exposed to water splashes please take measures such as using a cover If the product is to be used in an environment containing oils or chemicals such as coolant or cleaning solvent even for a short time it may be adversely affected damage malfunction etc Do not use the product in an environment where corrosive gases or fluids could be splashed Otherwise damage to the product and malfunction can result Do not use an area where surges are generated If there is equipment which
16. ing is out of range the L ERR LED will turn on Turn the power off and correct the setting Set the same communication speed as the master station The default setting is 0 156 kbps Y No EXX X OMB0014 G oOutput and error information 1 l O mapping table for master station Buffer Memory EX12 SMJ1 is a remote I O station 1 station occupied 32 inputs 32 outputs An example of when the SI unit station number is set to 01 is shown below Master station buffer area e g QJ61BT11N Buffer Buffer Remote input memory RX memory address address Remote output RY Reme arena RYOF to RY90 RYAF to RYAO RYBF to RYBO HEC Y memory map of EX12 SMJ1 For station number 1 Remote input Remote output RX RY RYOO Output No 0 RYO1 Output No 1 RYO2 Output No 2 RY RY ro Oupano 18 00 Output No 13 Output No 14 RXOF RYOF Output No 15 RX10 RY10 Unused Unused RX1F RY1F Unused area cannot be used When remote I O station is assigned to buffer area the area of 32 inputs 32 outputs will be used O Solenoid valve OFF 1 Valve ON No EXX X OMB0014 G 2 Output number assignment The output number refers to the D side solenoid position on the manifold and starts at zero ro pz 4 s 157 9 Valve maifold Standard wiring of the manifold is for double solenoid valves and the output number starts a
17. jects have been confirmed 2 When the product is to be removed confirm that the safety measures as mentioned above are implemented and the power from any appropriate source is cut and read and understand the specific product precautions of all relevant products carefully 3 Before machinery equipment is restarted take measures to prevent unexpected operation and malfunction 4 Contact SMC beforehand and take special consideration of safety measures if the product is to be used in any of the following conditions 1 Conditions and environments outside of the given specifications or use outdoors or in a place exposed to direct sunlight 2 Installation on equipment in conjunction with atomic energy railways air navigation space shipping vehicles military medical treatment combustion and recreation or equipment in contact with food and beverages emergency stop circuits clutch and brake circuits in press applications safety equipment or other applications unsuitable for the standard specifications described in the product catalogue 3 An application which could have negative effects on people property or animals requiring special safety analysis 4 Use in an interlock circuit which requires the provision of double interlock for possible failure by using a mechanical protective function and periodical checks to confirm proper operation No EXX 7X OMB0014 G The product is provided for use in manufacturing industries T
18. o crimp the terminal 13 Y No EXX X OMB0014 G s Power supply wiring Connect the power supply wiring to the solenoid valve power supply terminals and to the SI unit control power supply terminals Although the power supply consists of two separate systems it is possible to use either a single power supply or separate power supplies Be sure to connect the power supply to the correct terminals Refer to Fig 6 Tighten the screws securely with a torque of 0 5 to 0 6 Nm The terminal screw is an M3 cross head screw Note Connect the ground terminal to ground Resistance to ground should be 100 ohms or less A Single power supply used B Dual power supplies used A E E 9 7 A p 3 2 J I 9 4v ov 22 v 22 Terminal Terminal block block Power supply Power supply 24 VDC for solenoid valve for communication 24 VDC 24 VDC Fig 6 Y No EXX X OMB0014 G o Display setting LED B STATION NO 0 222 G SMC L ERR SD RD J SERIAL UNIT Display LED is ON when the communication power is ON Indicates whether the SI unit is communicating with the master station correctly L RUN LED is ON when the SI unit is receiving normal data from the master station LED is OFF during time out LED is ON when data is being sent LED is ON when data is being received LED is ON during communication errors CRC errors LED is OFF during time
19. out L RUN LED is also OFF LED is ON during station number setting and communication speed setting errors the LED will turn off when the setting has been corrected and power has been restored LED flashes when the station number or communication speed settings have changed during communication the L RUN LED will turn on and the SI unit will operate according to the new settings once power is restored If the data link is normal PW L RUN SD and RD LED s will be ON O No EXX X OMB0014 G oSwitch setting The setting for the station number and communication speed can be carried out using the rotary switches under the LED and switch cover The settings must be carried out with the power supply for the SI unit turned off Station number setting STATION NO SW2 SW3 Communication speed setting B RATE SW1 STATION NO 0 PW LRUN I dE GSMC L ERR SD RD _ SERIAL UNIT Rotary switch for baud rate Rotary switch for station number setting x10 0 to 6 The station number should be set within the range of 01 to 64 If the number is set to 00 or to 65 or above the L ERR LED will turn on The station number must not be duplicated this will cause an error The default setting is 00 Setting Communication speed E 156 kbps 625 kbps po 2 5 Mbps 5 Mbps 10 Mbps The communication speed should be set within the range of 0 to 4 If the sett
20. ration Set the switches by using a sharp pointed screwdriver etc It may damage set switches Perform settings suitable for the operating conditions Incorrect setting can cause operation failure For details of each setting refer to page 15 of this manual Please refer to the PLC manufacturer s manual etc for details of programming and addresses For the PLC protocol and programming refer to the relevant manufacturer s documentation Maintenance Turn off the power supply stop the supplied air exhaust the residual pressure and verify the release of air before performing maintenance There is a risk of unexpected malfunction Perform regular maintenance and inspections There is a risk of unexpected malfunction After maintenance is complete perform appropriate functional inspections Stop operation if the equipment does not function properly Otherwise safety is not assured due to an unexpected malfunction or incorrect operation Do not use solvents such as benzene thinner etc to clean the each unit They could damage the surface of the body and erase the markings on the body Use a soft cloth to remove stains For heavy stains use a cloth soaked with diluted neutral detergent and fully squeezed then wipe up the stains again with a dry cloth No EXX X OMB0014 G Model Indication and How to Order 120 5 1 Output type 16 outputs NPN positive common sink Fieldbus Valve interface EX120 Dire
21. re conditions will not be satisfied for EX124 EX126 Series oHow to replace the EX120 Series SI unit eRemoval 1 Lift the clip at the bottom of the SI unit with a flat blade screw driver By lifting the clip the hook will be removed from the manifold and this releases the SI unit The hook will be released 24 Y No EXX X OMB0014 G 3 This releases the lock Pull the SI unit slowly and remove from the manifold ePrecautions when opening the cover When opening the cover hold both sides of the cover 25 Y No EXX X OMB0014 G eMounting 1 Align the raised part on the manifold side at the bottom of the SI unit with the groove of the manifold and press it in evenly 2 Confirm that the SI unit and manifold are securely locked together and slide the SI unit downwards into the groove in the manifold p 2 0 T Q 5 i 26 Y No EXX X OMB0014 G oHow to replace the EX121 122 Series SI unit eRemoval 1 Loosen the mounting bracket screw eMounting 1 Hook claw 1 to the upper side of the DIN rail and claw 2 to the lower side No EXX X OMB0014 G oHow to replace the EX124 EX126 Series SI unit eRemoval 1 Remove the cover from the SI unit by removing the screws 4 x M4 which hold the cover 2 Disconnect the wiring from the SI unit and remove the SI unit from the manifold Disconnect the wiring to the SI unit
22. t the A side and then B side in that order as shown in the figure a If a single solenoid valve is mounted on the standard wiring manifold the output number for the B side valve is skipped Custom wiring for mixed mounting single solenoid valves and double solenoid valves can be specified with a Wiring Specification Sheet Example wiring is shown in the figure b Bit status 0 and 1 in the data corresponds to solenoid valve status OFF and ON 0 OFF 1 ON and the output number starts at zero from LSB least significant bit fig a fig b Double Single Double Double Double Single Double Double No SideA No Station Station No SideB No 3 Fuse disconnection details The power supply fuse disconnection for the SI unit solenoid valves can be monitored by the link special register of the master station 0 Normal 1 Fuse disconnected Buffer area of master station Example QJ61BT11N b15 514 b13 012 Pss b2 b1 32 31 30 29 20 19 18 17 48 47 46 45 36 35 34 3 63 62 6t 52 51 50 49 1 to 64 represents the station number The bits of occupied stations will turn on Y No EXX X OMB0014 G Mounting and wiring Item to inspect Are SI unit terminals for communication and power supply No looseness securely connected Tighten the connector Refer to Mounting Installation Are the terminating resis
23. tors securely connected to both ends of the network Terminating resistors must be when the SI unit is at the end of the connected network If isibl k Is the connecting cable broken No apparent breaks aod e breaks are found replace Replacement parts Item to inspect isi isi k CC Link dedicated cable No visible error and the correct If any visible breaks are found replace cable must be used the cable or th SI unit No error in operation and display A 0095 bs display indicates errors replace the unit Power supply Item to inspect Check that the communication power Investigate the cause of the voltage supply voltage is within the specified 15 to 30 VDC fluctuation and take countermeasures range against it Connect suitable terminating resistors to cables Refer to Mounting Installation Check that the solenoid valve power Investigate the cause of the voltage supply voltage is within the specified 24 VDC 10 5 fluctuation and take countermeasures range against it O No EXX X OMB0014 G oFuse replacement Only EX126D SMJ1 If an over current occurs in the power supply for communication or the power supply for solenoid valves due to a short circuit etc the fuse will disconnect the supply In this case remove the cause of the over current and replace the fuse The fuse replacement should only be performed with the SI unit disconnected from the valve man
24. unit is securely fitted Tightening torque 0 6 Nm Y No EXX X OMB0014 G Specification aSpecifications Model No EX1242 SMJ1 Applicable system CC Link Ver 1 10 Occupied station 1 station ee number setting 1 to 64 Set with a rotary switch HD Ho Station type Remote I O specification Communication speed 156 k 625 k 2 5 M 5 M 10 Mbps Cable length between 20 cm or more stations 1200 900 400 160 100 m 15 to 30 VDC 24 VDC 10 5 16 outputs Sink NPN positive common Solenoid valve with surge voltage suppressor of 24 VDC and 2 1 W or less Connected load manufactured by SMC Output when communication error occurs Clear Internal current consumption Unit 0 1 Aor less EX120 121 122 IP20 Enclosure EX124U D IP65 EX126D IP67 Withstand voltage 1500 VAC 1min Between FG and external terminal Insulation resistance 2 MQ or more 500 VDC between FG and external terminal Environment Operating temperature 0 to 455 C when 8 outputs are used Ambient temperature 0 to 50 C when 16 outputs are used Storage 10 to 60 C 35 to 8596 RH no condensate Pollution degree 3 No corrosive gas CE marking EX120 110 g or less EX124U D 240 g or less Weight EX121 140 g or less EX126D 360 g or less EX122 130 g or less EX120 EX121 EX122 are IP20 rated When operating this product in a pollution degree 3 environment mount it onto an IP54 rate or higher controller board etc Applicable solenoid val
25. us injury i I DANGER indicates a hazard with a high level of risk which if not avoided Danger will result in death or serious injury The compatibility of the product is the responsibility of the person who designs the equipment or decides its specifications oince the product specified here is used under various operating conditions its compatibility with specific equipment must be decided by the person who designs the equipment or decides its specifications based on necessary analysis and test results The expected performance and safety assurance of the equipment will be the responsibility of the person who has determined its compatibility with the product This person should also continuously review all specifications of the product referring to its latest catalogue information with a view to giving due consideration to any possibility of equipment failure when configuring the equipment Only personnel with appropriate training should operate machinery and equipment The product specified here may become unsafe if handled incorrectly The assembly operation and maintenance of machines or equipment including our products must be performed by an operator who is appropriately trained and experienced 3 Do not service or attempt to remove product and machinery equipment until safety is confirmed 1 The inspection and maintenance of machinery equipment should only be performed after measures to prevent falling or runaway of the driven ob
26. ve series Number Valve series Enclosure Mounting Valve interface SV1000 2000 3000 4000 EX120 SMJ1 VQ1000 2000 Direct Plug in SY3000 5000 7000 IP20 EX121 SMJ1 SY3000 5000 DIN rail Flat ribbon cable ral EX122 SMJ1 5 Y3000 5000 EX124U D SMJ1 VQ2000 4000 5000 IP65 SY3000 5000 7000 Direct Plug in EX126D SMJ1 SV1000 2000 3000 VQC1000 2000 4000 No EXX X OMB0014 G Y m Dimensions 120 5 1 EX121 SMJ1 jJ No EXX X OMB0014 G EX122 SMJ1 J DOD EGS EX124D U SMJ1 No EXX X OMB0014 G EX126D SMJ1 rs No EXX X OMB0014 G Revision history C Complete revision D Terminal screw change Switch cover change EX124U D EX126D E Modified errors in text Page 14 F Limited warranty and Disclaimer are added G Contents revised in several places SMC Corporation 4 14 1 Sotokanda Chiyoda ku Tokyo 101 0021 JAPAN Tel 81 3 5207 8249 Fax 81 3 5298 5362 URL http www smcworld com Note Specifications are subject to change without prior notice and any obligation on the part of the manufacturer 2010 2015 SMC Corporation All Rights Reserved O No EXX X OMB0014 G
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