Proposal of a new “management and setting” method for sensors

CE Marking

CE Approved

Centralized control and setting of scattered digital sensors (FX-301/305) is possible using a PLC or personal computer.

Example of use in semiconductor cleaning process

Type Main unit
Model No. SC-GU1-485
Applicable digital sensor / input unit FX-501(P), FX-502(P), FX-301(P) (Note 2), FX-305(P), LS-501, LS-403, DPS-401(P), DPS-402(P), SC-A01, SC-A02, SC-T1JA
Connectable units Max. 16 units of digital sensor or input unit per SC-GU1-485
(Max. 12 units including FX-500 / LS-500 series)
Connectable nodes Max. 31 nodes
Supply voltage 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption 45 mA or less (SC-GU1-EU: 10 mA or less)
Communication method 2 wire half duplex method
Communication speed 57,600 bps / 38,400 bps / 19,200 bps / 9,600 bps, Selectable by DIP switch
Synchronization method Asynchronous communication method
Electrical characteristic Conforming to EIA RS-485
Total extension length Communication cable: 100 m 328.084 ft or less [SC-GU1-485 (termination) to PLC]
Power supply cable: Less than 10 m 32.808 ft
Indicators Power
Green LED (Lights up when the power is ON)
Green LED (Lights up during communication)
Upper communication error
[Blinks when communication error between PLC (Programmable Logic Controller) and Master or Master and Slave, or command error occurs]
Lower communication error
Red LED (Blinks when communication error between the main unit and sensors occur)
Ambient temperature –10 to +55 ℃ +14 to +131 
(If 4 to 7 units are connected in cascade: –10 to +50 ℃ +14 to +122 , if 8 to 16 units are connected in cascade: –10 to +45 ℃ +14 to +113 )
(No dew condensation or icing allowed),
Storage: –20 to +70 ℃ –4 to +158 
Material Enclosure: Heat-resistant ABS, Connector cap: silicone rubber
Weight Net weight: 35 g approx. (SC-GU1-EU: 10 g approx.), Gross weight: 120 g approx.
Dimensions SC-GU1-485: W25 x H41.7 x D64.5 mm W0.984 x H1.642 x D2.539 in
SC-GU1-EU: W10 x H27 x D68.5 mm W0.394 x H1.063 x D2.697 in
Accessories SC-GU1-EU (End unit): 1 pc.
CN-73-C2 [Quick-connection cable (cable length 2 m 6.562 ft)]: 1 pc.
SC-GU1-CC02 [Link cable (cable length 0.2 m 0.656 ft)]: 1 pc.