福建中立恒自动化设备有限公司
1.输入/输出单元
输入/输出单元通常也称I/O单元或I/O模块,是PLC与工业生产现场之间的连接部件。
PLC通过输入接口可以检测被控对象的各种数据,以这些数据作为PLC对被控制对象进行控制的依据;同时PLC又通过输出接口将处理结果送给被控制对象,以实现控制目的。
由于外部输入设备和输出设备所需的信号电平是多种多样的,而PLC内部CPU的处理的信息只能是标准电平,所以I/O接口要实现这种转换。
I/O接口一般都具有光电隔离和滤波功能,以提高PLC的抗干扰能力。另外,I/O接口上通常还有状态指示,工作状况直观,便于维护。
PLC提供了多种操作电平和驱动能力的I/O接口,有各种各样功能的I/O接口供用户选用。I/O接口的主要类型有:数字量(开关量)输入、数字量(开关量)输出、模拟量输入、模拟量输出等。
常用的开关量输入接口按其使用的电源不同有三种类型:直流输入接口、交流输入接口和交/直流输入接口。
常用的开关量输出接口按输出开关器件不同有三种类型:是继电器输出、晶体管输出和双向晶闸管输出。
继电器输出接口可驱动交流或直流负载,但其响应时间长,动作频率低;而晶体管输出和双向晶闸管输出接口的响应速度快,动作频率高,但前者只能用于驱动直流负载,后者只能用于交流负载。
PLC的I/O接口所能接受的输入信号个数和输出信号个数称为PLC输入/输出(I/O)点数。I/O点数是选择PLC的重要依据之一。当系统的I/O点数不够时,可通过PLC的I/O扩展接口对系统进行扩展。
2.通信接口
PLC配有各种通信接口,这些通信接口一般都带有通信处理器。
PLC通过这些通信接口可与监视器、打印机、其它PLC、计算机等设备实现通信。
PLC与打印机连接,可将过程信息、系统参数等输出打印;与监视器连接,可将控制过程图像显示出来;与其它PLC连接,可组成多机系统或连成网络,实现更大规模控制。
与计算机连接,可组成多级分布式控制系统,实现控制与管理相结合。远程I/O系统也必须配备相应的通信接口模块。
3.智能接口模块
智能接口模块是一独立的计算机系统,它有自己的CPU、系统程序、存储器以及与PLC系统总线相连的接口。
它作为PLC系统的一个模块,通过总线与PLC相连,进行数据交换,并在PLC的协调管理下独立地进行工作。
PLC的智能接口模块种类很多,如:高速计数模块、闭环控制模块、运动控制模块、中断控制模块等。
KEI SYSTEM BTB-DI1/01B PCB BOARD
Schneider Electric 54444 Power Supply OUTPUT VOLTAGE 24VDC 1AMP
OMRON SDV-FH2T ELECTRONIC TIMER VOLTAGE 24VDC
FUJI ELECTRIC TR-N8 THERMAL OVERLOAD RELAY RANGE 125-185AMP
LS GMC-85 POWER CONTACTOR 85AMP COIL VOLTAGE 440VAC
LS GMC-75 POWER CONTACTOR 75AMP COIL VOLTAGE 440VAC
LS GMC-65 POWER CONTACTOR 65AMP COIL VOLTAGE 440VAC
ABB INSUM MCU2 2950401 MOTOR VOLTAGE CONTROL IT
CR305C0 GE SIZE 1 30AMP MAGNETIC CONTACTOR VOLTAGE 110VAC
SIEMENS 3SK1121-1CB42 CONFIGURABLE SAFETY RELAY VOLTAGE 24VDC
HYDAI ELECTRICAL HL-100E CIRCUIT BREAKER 30AMP VOLTAGE 440VAC 75KA
SIEMENS 3VA1216-5DA22-0AA0 CIRCUIT BREAKER 160AMP 440VAC 36KA 2POLE
LS ELECTRIC MC-85A POWER CONTACTOR 85AMP VOLTAGE 220VAC 3POLE
SCHNEIDER ELECTRIC NSX160B CIRCUIT BREAKER 160AMP 4POLE 440V 36KA
Mitsubishi Electric SD-N50 Magnetic Contactor 50A Voltage 24VDC
IMCON-INTEC SPS-60S-24.3-WS POWER SUPPLY INPUT 230VAC OUTPUT 24VDC 3AMP FASTSHIP
TELEMECANIQUE LC1D80004FE7 CONTACTOR 80AMP 4POLE VOLTAGE 110VAC
ABB A95-30 MAGNETIC CONTACTOR 95AMP VOLTAGE 220VAC
Schneider Lc1d95 R7 440V AC contactor
SIEMENS 3TC4817-0B MAGNETIC CONTACTOR 75AMP VOLTAGE 220VAC
FUJI ELECTRIC SC-2SN MAGNETIC CONTACTOR 50AMP VOLTAGE 440VAC
TELEMECANIQUE LR9F5369 THERMAL OVERLOAD RELAY RANGE 90-150AMP
SIEMENS 3RT1044-1A POWER CONTACTOR 65A VOLTAGE 220VAC
ALLEN BRADLEY 193-EEFD THERMAL OVERLOAD RELAY RANGE 9-45AMP
ALLEN BRADLEY 193-EEFD THERMAL OVERLOAD RELAY RANGE 9-45AMP
MITSUBISHI NF100-HP CIRCUIT BREAKER 60AMP 3POLE VOLTAGE 440VAC 50KA
SIEMENS 3VA2010-4HL32-0AA0 CIRCUIT BREAKER 100AMP 440VAC 36KA 3POLE
ABB TMAX T1C 160 CIRCUIT BREAKER 125AMP 4 POLE 440VAC 25KA
SQUARE D 9070TF100D1 TRNSFORMER CONTROL 100VA 4400V-110V
SQUARE D 9070TF100D1 TRNSFORMER CONTROL 100VA 4400V-110V
MITSUBISHI ELECTRIC TH-N120KPTA THERMAL OVERLOAD RELAY RANGE 85-125A
LS MT-150/2H THERMAL OVERLOAD RELAY RANGE 95-130A
TERASAKI ELECTRIC TC-65A MAGNETIC CONTACTOR 65AMP VOLTAGE 440VAC
SIEMENS 3RT2036-1KB40 POWER CONTACTOR 50AMP VOLTAGE 24VDC
5x Siemens Sirius 3TX7014-1BB00 E-Stand: 02 -
TELEMECANIQUE LX1FH2202 SPARE COIL VOLTAGE 220VAC
MITSUBISHI FX2N-8EX-ES/UL EXPASION MODULE
SIEMENS 3TY6566-0AN1 SPARE COIL FOR 3TB56 VOLTAGE 220VAC
TELEMECANIQUE LC1D40FD POWER CONTACTOR COIL VOLTAGE 110VDC
ETN 170M9001 BUSSMAN FUSE 700AMP 1300V IR1300-100KA
ETN 170M6689 BUSSMAN FUSE 350AMP 1250V IR1300-100KA
ABB MS450 MOTOR PROTECTION CIRCUIT BREAKER RANGE 28-40AMP
SIEMENS 7PU3140-2BN24 TIMING RELAY VOLTAGE 220VAC
FUJI ELECTRIC SC-5N MAGNETIC CONTACTOR 93AMP VOLTAGE 440VAC
PILZ PZA 600/24VDC 1N/O 2N/C 774028 SAFETY RELAY 60S TO 600S VOLTAGE220VAC
TCE065D00F POWER CONTACTOR 65A VOLTAGE 220VAC
BARTEC GB-160/10 Jction -ATEX Baseefa07Atex0140X 7W 550V 21A
SIEMENS 3VA1110-5EE32-0AA0 CIRCUIT BREAKER 100AMP 440VAC 36KA 3POLE
HYDAI ELECTRIC HGC65 MAGNETIC CONTACTOR 65AMP VOLTAGE 220VAC 3POLE
SCHNEIDER ELECTRIC NSX100F CIRCUIT BREAKER 100AMP 4POLE 440V 36KA
SCHNEIDER ELECTRIC LC1D65 AP7 POWER CONTACTOR 65A VOLTAGE 220VAC
WAGO 857-304 POWER RELAY VOLTAGE 24VDC LOT OF 10PCS
SIEMENS 3RB2056-1FC2 THERMAL OVERLOAD RELAY RANGE 50-200AMP
TELEMECANIQUE LC1D50 P7 POWER CONTACTOR 50A VOLTAGE 220VAC
E100NS CIRCUIT BREAKER 100AMP 220VAC 25KA
TOSHIBA C-80 MAGNETIC CONTACTOR 80AMP COIL VOLTAGE 110VAC
TELEMECANIQUE LR9F5367 THERMAL OVERLOAD RELAY RANGE 60-100AMP
TELEMECANIQUE LR9F5357 THERMAL OVERLOAD RELAY RANGE 30-50AMP
ALLEN BRADLEY 100-C72*00 POWER CONTACTOR 72AMP VOLTAGE 110VAC
TERASAKI ELECTRIC T0-60BB 50AMP 3 POLE CIRCUIT BREAKER 440VAC
FUJI ELECTRIC SC-8/10N SPARE COIL VOLTAGE 380-450VAC
SIEMENS 3VF2213-0FS41-0AA0 CIRCUIT BREAKER 100AMP 220VAC 65KA
TELEMECANIQUE LC1D65 P7 POWER CONTACTOR 65A VOLTAGE 220VAC
E100NS CIRCUIT BREAKER 100AMP 220VAC 25KA
ABB TMAX T1C 160 CIRCUIT BREAKER 125AMP 3 POLE 440VAC 25KA
MERLIN GERIN NS100H TM80D CIRCUIT BREAKER 80AMP 440VAC 65KA
TOB100GC1 THERMAL OVERLOAD RELAY RANGE 70-100AMP
FUJI SC-2SN MAGNETIC CONTACTOR 50AMP COIL VOLTAGE 220VAC
FUJI SC-3N MAGNETIC CONATACTOR 65AMP COIL VOLTAGE 220VAC
FUJI SC-3N MAGNETIC CONTACTOR 65AMP COIL VOLTAGE 110VAC
OMRON H5AN-4DM TIMER TIMING 99.99S-9999H VOLTAGE 100-240VAC
TELEMECANIQUE LA5FF431 SPARE CONTACT KIT 115-150A
COOPER CROUSE HINDS GUAT24 CONDUIT OUTLET WITH COVER SIZE 3/4
SIEMENS 3VM1163-4GE42-0AA0 CIRCUIT BREAKER 63AMP 440VAC 36KA 4POLE
TELEMECANIQUE LC1D50 11M7 POWER CONTACTOR 50A VOLTAGE 220VAC
SCHNEIDER ELECTRIC LC1D50 AP7 POWER CONTACTOR 50A VOLTAGE 220VAC
LISTINGOEN 37D-4-24-SLDT POWER RELAY VOLTAGE 24VDC 0PCS
FUJI ELECTRIC SC-N2S(50) MAGNETIC CONTACTOR 50A VOLTAGE 110VAC
FUJI ELECTRIC SC-N2S(50) MAGNETIC CONTACTOR 50A VOLTAGE 110VAC
Allen Bradley 1769-ECR MicroLogix Compact I/O Right End Cap Cover
Allen Bradley 1769-ECR MicroLogix Compact I/O Right End Cap Cover
Schneider Electric LADN22 Auxiliary Contactor Lot Of 10Pcs
SPRECHER SCHUH KT4-CA2-B10 MOTOR PROTECTION CIRCUIT BREAKER 0.63 TO 1.00 AMP
MITSUBISHI ELECTRIC B-N65 MAGNETIC CONTACTOR 65AMP VOLTAGE 220VAC
MITSUBISHI NF60-SP CIRCUIT BREAKER 50AMP 3POLE 220VAC 10KA
SCHNEIDER ELECTRIC LV510472 CIRCUIT BREAKER 32AMP VOLTAGE 440VAC 50KA
SIEMENS 3NA1227 250A NH FUSES - PCS
HYDAI HITH90K N0080S THERMAL OVERLOAD RELAY RANGE 60-80A
HYDAI HIMC50 MAGNETIC CONTACTOR 50A COILVOLTAGE 220VAC
HYDAI HGC50 22NS POWER CONTACTOR 50AMP VOLTAGE 440VAC
MOELLER DILM65 POWER CONTACTOR 65A VOLTAGE 220VAC
ABB YU-1SDA03814R1 BREAKER DER VOLTAGE COIL VOLTAGE 440VAC
SIEMENS 3RB2056-1FC2 THERMAL OVERLOAD RELAY RANGE 50-200AMP
3TY7540-0A CONTACT KIT FIT FOT SIEMENS CONTACTOR 3TF-54
ALLEN BRADLEY 1494V-M40 MECHANISM AND OPERATING HANDLE
SCHNEIDER ELECTRIC LX1FG415 MAGNETIC SPARE COIL VOLTAGE 440VAC
ABB AF40-30-00-13 POWER CONTACTOR 40AMP VOLTAGE 100-250VAC
CHNT CJX2-9511 POWER CONTACTOR 95AMP VOLTAGE 220VAC
ABB TMAX T1B160 CIRCUIT BREAKER 125AMP 4POLE 220VAC 25KA
SIEMENS 3UA4300-8AS THERMAL OVERLOAD RELAY RANGE 100-135AMP
ALLEN BRADLEY 1794-OW8 RELAY OUPUT MODULE 8 POINT
SIEMENS 3VJ1108-7DA32-0AA0 CIRCUIT BREAKER 80AMP 440VAC 36KA 3POLE
LISTINGSCHNEIDER ELECTRIC LADN31 ADD ON AUXILIRY CONTACT BLOCK LOT OF 10PCS
MITSUBISHI ELECTRIC S-K65 MAGNETIC CONTACTOR 65AMP VOLTAGE 110VAC
ABB YU-1SDA038311R1 CIRCUIT BREAKER DER VOLTAGE IT VOLTAGE 110VAC
SIEMENS 3VL1712-1DD36-0AA0 CIRCUIT BREAKER 125AMP VOLTAGE 440VAC 40KA
ALLEN BRADLEY 700-TBR24 24VDC RELAY WITH BASE 700-HLT1Z LOT OF 10PCS FASTSHIP
RELCO C5-RF5640 24VDC RELAY 6 PIN LOT OF 10PCS
SCHNEIDER RM35UA13MW VOLTAGE CONTROL RELAY VOLTAGE 24-240VAC/DC
TERASAKI TK-95A THERMAL OVERLOAD RELAY RANGE 45-65AMP
ABB MS165-32 1SAM451000R1014 CIRCUIT BREAKER RANGE 23-32AMP
MITSUBISHI NF100-SH CIRCUIT BREAKER 16-25AMP 3POLE 440VAC 50KA
WEIDMULLER MRZ 5VDC 1CO RELAY 8556150000 LOT OF 10PCS
HYDAI ELECTRIC HGC50 POWER CONTACTOR 50AMP VOLTAGE 220VAC
MITSUBISHI NF100-HP CIRCUIT BREAKER 15AMP 3POLE 440VAC 50KA
SIEMENS 3VF2213-0FN41-0AA0 CIRCUIT BREAKER 63AMP 220VAC 65KA
TELEMECANIQUE LC2D25M7 REVERSING CONTACTOR 25A VOLTAGE 220VAC
SCHNEIDER ELECTRIC LC1D40 P7 POWER CONTACTOR 40A VOLTAGE 220VAC
SCHNEIDER GV3ME40 MOTOR PROTECTION CIRCUIT BREAKER RANGE 25-40AMP
SIEMENS 6SL3255-0AA00-4CA1 SINAMICS BOP-2 SCREEN
SIEMENS 6SL3255-0AA00-4CA1 SINAMICS BOP-2 SCREEN
SIEMENS 6ES7138-4CA01-0AA0 POWER MODULE
SIEMENS 6ES7138-4CA01-0AA0 POWER MODULE
SIEMENS 6ES7138-4FB01-0AB0 POWER MODULE
SIEMENS 6SL3255-0AA00-4CA1 SINAMICS BOP-2 DISPLAY
SCHNEIDER RM35JA32MW MULTIFCTION TIMER VOLTAGE 24-240VAC/DC
BRODERSEN PXT-10.924 TEMPRATURE CONVERTER VOLTAGE 24VDC
SIEMENS 3VT1708-2DC36-0AA0 CIRCUIT BREAKER 80AMP VOLTAGE 440VAC 25KA
SCHNEIDER 33671 200-250V AC/DC CIRCUIT BREAKER DERVOLTAGE TRIP
TELEMECANIQUE RM35ATL0MW ELECTRONIC TIMER VOLTAGE 24-240VAC/DC
ABB CM-SRS.22S OVER/DER MONITERING RELAY VOLTAGE 220VAC
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