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Doc.No. EX## -OME0015
OPERATION MANUAL
SI unit
EX120-SDN1
EX121-SDN1
EX122-SDN1
EX124D/U-SDN1
SMC Corporation
Summary of the content on the page No. 2
SMC CORPORATION Contents Doc.No.EX##-OME0015 1.Safety instructions ------------------------------------------------------ P3 2.Specifications 2-1.General specifications ------------------------------------------------------ P4 2-2.Electrical and network specifications ------------------------------------------------------ P4 2-3.Applicable solenoid valve series ------------------------------------------------------ P5 3.Wiring and setting 3-1.Conn
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SMC CORPORATION 1.Safety instructions Doc.No.EX##-OME0015 These safety instructions are intended to prevent a hazardous situation and/or equipment damage. These instructions indicate the level of potential hazard by label of "CAUTION" , "WARNING". To ensure safety, be sure to observe ISO, JIS and other safety practices. CAUTION: Operator error could result in injury or equipment damage. WARNING: Operator error could resu
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SMC CORPORATION 2. Specifications Doc.No.EX##-OME0015 2-1. General specifications Item Specifications Model EX120 EX121 EX122 EX124D EX124U -SDN1 -SDN1 -SDN1 -SDN1 -SDN1 Operating ambient temp. 0 to +55(with 8 points of valve ON) 0 to +50 ℃(with 16 points of valve ON) Operating ambient humidity 35 to 85%RH(No dew condensation) Storage ambient temp. -20 to +60 ℃ 2 Vibration proof 50m/s (comply with JIS C 0911) 2 Impact proof 100m/s (comply with JIS C 0912) Noise immunity Normal mode ±1500 V P
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SMC CORPORATION Doc.No.EX##-OME0015 SI unit I/O data (Receiving and sending data of polled command) Item Output(Poll request) Input(Poll response) Occupied byte 2 byte 2 byte (Solenoid valve output) Sending/ Address +0 Output No. 0 to 7 receiving data Address +1 Output No. 8 to 15 *) Mapping method of sending / receiving data is different by PLC. For further information, refer to the manual for PLC master (scanner) Bit of each output data and corresponding solenoid valve no. Offset MSB LSB 0 No.
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SMC CORPORATION Doc.No.EX##-OME0015 Cable specification Thick cable Thin cable Item Communication Communication Power upply Power supply Signal Signal Conductor 2 2 2 2 0.82 mm 1.65 mm 0.20 mm 0.33 mm cross section Colors Blue, W hite Red, Black Blue, W hite Red, Black 120Ω± 120Ω± Impedance ―― ―― 10%(1MHz) 10%(1MHz) Propagation 1.36ns / ft(max) ―― 1.36ns / ft(max) ―― delay 500k ：0.25dB / ft 500k ：0.50dB / ft Attenuation 125k ：0.13dB / ft 125k ：0.29dB / ft ―― ―― rate 1.00M
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SMC CORPORATION Doc.No.EX##-OME0015 Wiring of cable for solenoid valve power supply and communication Communication connector for DeviceNet Terminal Wire color Connected to V- Black (-) side of power supply cable CANL Blue Low side of communication cable FG - Ground / Shield CANH White High side of communication cable V+ Red (+) side of power supply cable Power supply connector for solenoid valve Terminal Wire color Connected to 24V - (+) side of solenoid valve source supply 0V - (-) side of
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SMC CORPORATION Doc.No.EX##-OME0015 3-2. Address setting Before setting of address by DIP switch, turn power supply for communication cable in SI unit “OFF”. Setting (binary) of following items is available by DIP switch installed to cover. 1) Node address (00 to 63) 2) Communication speed (125kbps, 250kbps, 500kbps) ON Node SW1 SW2 SW3 SW4 SW5 SW6 address 12 48 16 32 #0 00 0000 #1 10 0000 #2 01 0000 : : : #62 01 1111 #63 11 1111
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SMC CORPORATION 4.LED indicator and Physical dimensions Doc.No.EX##-OME0015 4-1 LED indication EX124D-SDN1 EX120-SDN1 EX124U-SDN1 EX121-SDN1 EX122-SDN1 Indication Contents PWR Green Lights up when power for DeviceNet line is supplied. Lights off SI unit isn’t on line or power supply for communication line isn’t turned on. Green Waiting for connection (ON line) flashing MOD / NET Green Connection completed (ON line) lights up Red Connection time out (Minor communication error) flashing Red MAC ID
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SMC CORPORATION Doc.No.EX##-OME0015 SI unit (EX121-SDN1) Flat cable length about 70mm Flat cable length about 70mm SMC SMC SERIAL UNIT SERIAL UNIT SWITCH SWITCH 1 1 ON ON SETTINGS SETTINGS 0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 1 1 2 2 4 4 8 8 16 16 32 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 STATION STATION 2 2 0 0 1 1 0 0 0 0 0 0 0 0 ADDRESS ADDRESS 62 62 0 0 1 1 1 1 1 1 1 1 1 1 63 63 1 1 1 1 1 1 1 1 1 1 1 1 125K 125K 0 0 0 0 TRANSMIT TRANSMIT 250K 250K 1 1 0 0 SPEED SPEED 5
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SMC CORPORATION Doc.No.EX##-OME0015 SI unit (EX124D-SDN1) SI unit (EX124U-SDN1) 4-G(PF)1/2 19 114 - 11 - 19.8 67 5.5 (72.5) 11.6 53.8
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SMC CORPORATION 5.EDS (Electronic Data Sheet) File Doc.No.EX##-OME0015 The EDS File is a file which described ID information on SI unit and important information in the operation. The DeviceNet controller or scanner automatically recognizes the SI unit by referring to the EDS File. * Please refer to the undermentioned list when DeviceNet controller or the scanner dose not automatically recognize the EDS File. $ Electronic Data Sheet File for $ SMC EX120-SDN1 Serial Interface Unit
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SMC CORPORATION Doc.No.EX##-OME0015 6. Trouble Shooting MOD/NET LED Cause & Countermeasure Lights off PWR LED lights off Confirm that power for SI unit circuit is supplied. Confirm correct wiring. If above countermeasures do not improve status, please exchange SI unit. PWR LED lights up Confirm that baud rate is set correctly. If MOD/NET LED lights off in spite of baud rate is set correctly, change SI unit. Green flashing Connection waiting Shows co
