Reduced wiring system EtherNet/IP™ Compatible SI Unit Instruction Manual EX250-SEN1 URL http:// www.smcworld.com Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. EtherNet/IP™ is a trademark used under licence by ODVA. The descriptions of products shown in this document may be used by the other companies as their trademarks.
Contents Thank you for purchasing the SMC reduced wiring system EX250 series. Please read this instruction manual carefully and understand the contents before SAFETY ..........................................................................................................2 use so that you can operate this unit safely and correctly. Product Summary............................................................................................5 Please keep this manual handy for future reference.
SAFETY The body of unit and this manual contain the essential information for the protection of users and others from possible injury and property damage and to ensure correct handling. Please check that you fully understand the definitions of the following messages ( symbols ) before going on to read the body of this manual, and always follow the instructions. Please also read the instruction manuals etc. of related machines and equipments and understand the contents before use.
SAFETY ( continued ) Follow the instructions given below when handling your reduced wiring system. Otherwise a damage or failure to cause a malfunction can result. Operate the reduced wiring system at the specified voltage. Reserve space for maintenance. Do not remove any name plate or label. Do not drop, hit or apply an excessive shock to the unit. Follow the specified tightening torque. Do not apply any excessive force to cables by repeated bending, tensioning or placing a heavy object on the cables.
SI Unit Model Indication Method Dimensions ( unit : mm ) EX250 SI Unit body SEN1 Communication protocol SOL PWR MS NS EtherNet/IP 64.4 1 0 SETTINGS 78.9 EN1 Part Names 63 - - - - - 59.8 BUS PWR Tie-rod (2 pcs.) Accessory Mounting/Installation How to assemble / disassemble units. Part names No. Application Communication connector Connect with EtherNet/IP line. Note1) 2 Power supply connector Supplies power to the solenoid valve, the Output Block, SI Unit and the Input Block.
Mounting/Installation (continued ) 3) Output Block for low wattage load The Output Block for low wattage load cannot be mounted at the right side of the Power Block. Mount to the place nearer to the SI Unit than the Power Block. Layout of the Input Block Position the Input Block on the left side of the SI Unit.
Specifications Basic specifications I/O mapping Rated voltage 24VDC Input area mapping Range of power supply voltage Power supply for input and control : 24VDC 10% Power supply for output : 24VDC+10%/-5% Offset (word) MSB Rated current Power supply for input and control : Max. 1.1A Inside SI Unit : 0.1A Input device :1A Power supply for output : Max. 2A ) ( Number of input/ output points Input point : Max. 32/Output point : Max. 32 * Output type PNP output (-COM.
Wiring Power supply wiring Communication wiring Connect the Ethernet Communication Cable to the communication connector of SI Unit. Cable connection Connect the Power Supply Cable to the power supply connector of SI Unit. When selecting the power supply, refer to "Handling precautions" (page 3) in this manual. Cable connection Aligning the key groove with the communication connector (4-pin, socket) of SI Unit, plug the Ethernet Communication Cable (plug).
Display/Setting Wiring ( continued ) Connecting one or two power supplies to SI Unit. Settings for display Both single power supply and two power supply systems can be adopted, however, the wiring shall be made separately (for solenoid valves/output and for input and control) for either system. SI A.
Display/Setting ( continued ) *1 : Remote control (SW1 Dip Switches 1 to 4 off) Switch setting SMC's EX250 SI Unit will respond to the following Rockwell Automation BOOTP/DHCP Server commands. Open the switch protective cover and set the switches with a sharp-pointed watchmakers screwdriver etc. NOTE 1. Be sure to turn off the power before setting the switches. 2. Be sure to set these switches before use. 3.
Input Block Model Indication Method Dimensions ( unit : mm ) Input Block Model indication method EX250-IE1/2 21 IE 1 2 3 72.6 Block type Input points : 2, M12 connector (2pcs.) Input points : 4, M12 connector (2pcs.) Input points : 4, M8 connector (4pcs.) 67.4 EX250 EX250-IE3 21 Part Names EX250-IE3 59.8 EX250-IE2 59.8 EX250-IE1 Mounting/Installation Refer to subsection "Mounting/Installation" (page 7) in this manual. Specifications Applicable sensor Rated voltage Tie-rod (2 pcs.
Wiring Input wiring Cable wiring EX250-IE3 (M8 connector, 3 pin, Socket) EX250-IE2 (M12 connector, 5 pin, Socket) EX250-IE1/2/3 Aligning the key groove with the input connector (socket) of Input Block, plug in the cable (plug). Tighten the lock nut on cable side by turning it clockwise by hand. 1 Power supply (24VDC) 3 Power supply (0V) 5 Ground EX250-IE1/2 EX250-IE3 1 4 2 5 Input No.1 3 Input No.
Display/Setting EX9 Series Output Block/Power Block Model Indication Method The EX9 series General Purpose Output Block is the unit to operate various output (solenoid valve, relay, etc.) in combination with valve and SI Unit. There are two types ---- one type is for low wattage load (EX9-OET1) receiving power supply from SI Unit, and the other type is for high wattage load (EX9-OEP1) receiving power supply from an external source.
Part Names Dimensions ( unit : mm ) Output Block Output Block 80.3 72.6 Power Block PWR Tie-rod (2 pcs.) Accessory No. Part names 59.8 59.8 Application 1 Output equipment connector Connects with output device. Note1) 2 Operation display LED Indicates the output status. Note2) 21 21 Note1 : For wiring method, refer to subsection "Wiring" (page 26) of section "EX9 Series Output Block/Power Block" in this manual.
Specification ( continued ) Wiring ( continued ) Pin alignment and connection drawing of the Output Cable Power supply 52 24VDC+10%/-5% voltage range Output method φ6.4 Power Block M12 PNP output (-COM.) Max. 3.1A 30 Supply current (When it is operated with the current between 3.0A and 3.1A, the ambient tem- 5 50 perature should be 40 deg.C or lower and the cables should not be bundled.) Model No.
Wiring ( continued ) Pin alignment and connection drawing of the Power Supply Cable Power supply wiring (Power Block) When operating EX9-OEP1, combine it with EX9-PE1, and connect the power supply to the power input connector of EX9-PE1. Power Cable (Power Block) 48.1 φ6.4 M12 Cable wiring Aligning the key groove with the connector of Power Block, plug in the cable. 30 5 50 Tighten the lock nut on cable side by turning it clockwise by hand. Model No.
Option Wiring ( continued ) The Power Supply Cable (for Power Supply Connector of Power Block) is a bypass cable which can be used when the Power Block is positioned next to the SI Unit. Ethernet Communication Cable For details, refer to subsection "Wiring" (page 12) in section "SI Unit" in this manual.
Troubleshooting Option ( continued ) Overall system End Plate (Input Block side) 1 2 Standard product For DIN rail mounting EX250-EA2 No. 64.4 64.4 1 Solenoid valve does not work Check the power for output (24VDC) is supplied. Check that the connectors are properly connected. Check the communication status of EtherNet/IP. 2 Solenoid valve does not work as programmed Check the wiring specification for manifold block assembly and modify the program.
Troubleshooting ( continued ) EtherNet/IP compatible communication No. Item Solution/Corrective action 1 MS LED status Normal status : Green light ON Fatal failure : Red light ON The effect of noise is possible. Check the installation conditions. If the trouble cannot be solved even if the installation conditions are checked, contact our sales branch.
