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CJP2 Datasheet(PDF) 20 Page - List of Unclassifed Manufacturers |
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CJP2 Datasheet(HTML) 20 Page - List of Unclassifed Manufacturers |
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20 / 32 page  18 Auto Switch Connections and Examples Basic Wiring Solid state 3-wire, NPN 2-wire Solid state 3-wire, PNP (Solid state) 2-wire (Reed) • Sink input specification 3-wire, NPN • 3-wire • Source input specification 3-wire, PNP OR connection for NPN output 2-wire with 2-switch AND connection 2-wire with 2-switch OR connection 2-wire 2-wire Switch Input Black COM Brown Blue Switch Input Blue COM Brown Switch Input Black PLC internal circuit COM Brown Blue PLC internal circuit PLC internal circuit PLC internal circuit Switch Input Blue COM Brown Connect according to the applicable PLC input specifications, since the connection method will vary depending on the PLC input specifications. (Power supplies for switch and load are separate.) Example of AND (Serial) and OR (Parallel) Connection Example of Connection to PLC (Programmable Logic Controller) AND connection for NPN output (using relays) AND connection for NPN output (performed with switches only) The indicator lights will illuminate when both switches are turned ON. Switch main circuit Brown Black Blue Load Brown Black Blue Load Brown Black Blue Load Brown Blue Load Brown Blue Load Indicator light protective circuit etc. Brown Blue Load Brown Blue Load Switch main circuit Switch main circuit Switch main circuit Switch main circuit Indicator light protective circuit etc. Switch 1 Switch 2 Load Brown Black Blue Brown Black Blue Switch 1 Brown Switch 2 Black Blue Relay Relay Brown Black Blue Load Relay contact Switch 1 Brown Switch 2 Black Blue Load Brown Black Blue Power supply Residual Load voltage at ON = voltage – voltage x 2 pcs. = 24 V - 4 V x 2 pcs. = 16 V Example: Power supply is 24 VDC. Internal voltage drop in switch is 4 V. Load voltage at OFF = Leakage current x 2 pcs. x Load impedance = 1 mA x 2 pcs. x 3 k Ω = 6 V Example: Load impedance is 3 k Ω. Leakage current from switch is 1 mA. Switch 1 Switch 2 Brown Blue Brown Blue Load Switch 1 Switch 2 Brown Blue Brown Blue Load (Solid state) (Reed) When two switches are con- nected in series, a load may malfunction because the load voltage will decrease when in the ON state. The indicator lights will illumi- nate if both of the switches are in the ON state. When two switches are connected in para- llel, a malfunction may occur because the load voltage will in- crease when in the OFF state. Because there is no cu- rrent leakage, the load voltage will not increase when turned OFF. Ho- wever, depending on the number of switches in the ON state, the indi- cator lights may someti- mes dim or not light be- cause of the dispersion and reduction of the cu- rrent flowing to the swit- ches. |
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