IS200TDBSH2A

IS200TDBSH2A

：祖巧丽

：

有时候我们会分不清排PLC的接线方式，特别是在接近开关和OMRON的PLC怎么接线是个问题，那么今天小编就来讲解一下到底怎么接线。

        直流二线型：褐色线接PLC输入点，PLC的com点接到电源正极，电源负极接到蓝色线。

　　NPN型：褐色接电源正，蓝色接电源负，黑色线接到PLC输入点，PLC的com点接到电源正。NPN是漏型，检测到物体时输出低电平信号。

　　PNP型：褐色接电源正，蓝色接电源负，黑色线接到PLC输入点，PLC的com点接到电源负。 PNP是源型，检测到物体时输出高电平信号。

　　如图：

SQUARE D 600VAC/VDC 30A 3-POLE SAFETY SWITCH, H361AWK SER. E1
 
SQUARE D CLASS 9999 DPDT ELECTRICAL INTERLOCK R46 *NEW*
 
SQUARE D 3A 65VDC CIRCUIT BOARD SER.C LOT OF 2 GCB30
 
SQUARE D TYPE X CONTROL RELAY 8501X040 SER.A
 
SQUARE D .050 KVA CLASS 9070 SER. A TRANSFORMER TYPE K50D1
 
SQUARE D 500:5 RATIO CURRENT TRANSFORMER 5NR-501
 
SQUARE D CIRCUIT BREAKER 30 AMP SERIES 2 FH36030
 
SQUARE D 9036DG2 OPEN TYPE FLOAT SWITCH, NIB
 
SQUARE D LDG-6T COMBINATION HINGE AND SCREW COVER, NIB
 
SQUARE D OPERATING MECH CLASS 9422 TYPE RP.1 SERIES B
 
SQUARE D MOLED CASE CIRCUIT BREAKER 500 AMPS 240 VOLTS 3 POLE MH3650
 
SQUARE D 3-POLE 1000A MOULDED CASE SWITCH SMAL3000M
 
SQUARE D ACCESSORY KIT, 31055-560-50 *NEW*
 
SQUARE D SY/MAX PLC CLASS 8030 OUTPUT MODULE ROM-221 SERIES D1
 
SQUARE D 600V 250A 3 POLE MOLDED CASE CIRCUIT BREAKER, LA36250
 
SQUARE D 600VAC 60A MOLDED CASE CIRCUIT BREAKER FHB36060 SER. 2
 
SQUARE D 480V 15A 3 POLE MOLDED CASE CIRCUIT BREAKER, FA34015
 
SQUARE D * SER F1 100A SAFETY SWITCH * H363AWK
 
SQUARE D 9070 SK5271S F11 TRANSFORMER DISCONNECT, 500 VA, SER B
 
SQUARE D 600V 40A 3 POLE DEFINITE PURPOSE CONTACTOR, 8910DPA33V06, NIB
 
SQUARE D TYPE X 8-POLE 24VDC COIL INDUSTRIAL CONTROL RELAY 8501XDO80 SER. A
 
SQUARE D VOLTAGE CONTROL RELAY TYPE DGV 1
 
SQUARE D 4PDT 3A 120V 60/60Hz MINIATURE GP RELAY 8501TRS4V20 55963 NIB
 
SQUARE D 600VAC 600A 3-POLE MOLDED CASE CIRCUIT BREAKER MHP36600 *CHIPPED*
 
SQUARE-D * 30A DISCONNECT BREAKER 8538 SER.C * SBG13 / CFF4P1T
 
SQUARE D OVERLOAD RELAY THERMAL UNIT B 5.50 LOT OF 3
 
SQUARE D RED PUSH/PULL KNOB TYPE RSS CLASS 9001 SER. H NIB
 
SQUARE D 24VDC TIMING RELAY JCK1F.25V14
 
SQUARE D CLOSING PLATE-ROUND, 9001K51 SERIES H *NEW*
 
SQUARE D 60111 MULTI 90 C60 240 VOLTS 1 POLE MINIATURE CIRCUIT BREAKER, NIB
 
SQUARE D MOLDED CASE CIRCUIT BREAKER MA36600 600AMP 3 POLE 600 VOLT
 
SQUARE D PANELBOARD CABLE THROUGH MTX855, NEW
 
SQUARE D 9999 JA-1 OVERLOAD RELAY KIT, NIB
 
SQUARE D 600V 200A 2 POLE MOLDED CASE CIRCUIT BREAKER, KA26200AB
 
SQUARE D 240X480V INDUSTRIAL CONTROL TRANSFORMER W/ FUSE BLOCK, 9070TF500D1
 
SQUARE D CLASS 9070 SER. B CONTROL CIRCUIT TRANSFORMER TYPE E0-1
 
SQUARE D RATIO 400:5 CURRENT TRANSFORMER 5NR-401
 
SQUARE D 460V 20/25/50HP CLASS 8804 ADJUSTABLE MOTOR CONTROLLER TYPE 2BFG4P