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。
以下链接皆有货
408-0401// MKS 186B-FFFFFF00 186 VACUUM GAUGE MEASUREMENT, CONTROL SYSTEM
408-0401// MKS 937A-220V60TR-NACTCT232 937A GAUGE CONTROLLER [/FAST]
408-0401// MKS 937A-220V60TR-NAM1CT232 937A GAUGE CONTROLLER [/FAST]
408-0501// MKC 146B-00000-1 VACUUM GAUGE MEASUREMENT AND CONTROL SYSTEM
408-0501// MKC 146C-25087 VACUUM GAUGE MEASUREMENT AND CONTROL SYSTEM
408-0501// ML-256PC KOKUSAI SECS-INTERFACE
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409-0401// ALLEN-BRADLEY 1398-DDM-019 DRIVER [/FAST]
409-0401// ALLEN-BRADLEY 2092-KAP8 KINETIX 3 AXIS MODULE
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409-0401// IKD TDL1-4000E046 CONTROLLER [/FAST]
409-0401// KOLLMORGEN CP320260 PRD-P320260E-C2 (BROKEN)
409-0401// LUST CDA32.008,C1,4,HF CONTROLLER [/FAST]
409-0401// LUST CDE34.006,W2.2,BR CONTROLLER [/FAST]
409-0401// MORITEX MHF-H50LR CONTROLLER [/FAST]
409-0401// TSUBAKI KD2004GGS AC SERVO DRIVER [/FAST]
410-0201// SMC SYJ314M-5LZ (9PCS) SOLENOID VALVE-1-22
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410-0302// IAI DS-SA6-I-30-6-350-C1-S ACTUATOR [/FAST]
410-0302// IAI RCA-SA6D-I-30-6-350-A1-P ACTUATOR [/FAST]
410-0302// SMC MXQ20-150B CYLINDER [/FAST]
410-0401// TRAZAR ECC1-4F 27-153218-00 CONTROLLER [/FAST]
410-0501// FANUC A06B-6079-H206 SERVO AMPLIFIER MODULE [/FAST]
410-0501// GALIL DMC-2120 MOTION CONTROLLER [/FAST]
410-0501// HUGLE 311A CONTROLLER [/FAST]
410-0501// KIKUSUI PLZ150WU ELECTRONIC LOAD
410-0501// TYLAN GENERAL AC-2 (BROKEN) CONTROLLER [/FAST]
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410-0501// VAT PM-2 610PM-26NM-0002/429 CONTROLLER [/FAST]
410-0501// WHEDCO IMC-1130-1-A CONTROLLER [/FAST]
411-0101// DKM 9BDG3-200G 9CD10MHP 9P1D60BH MOTOR [/FAST]
411-0101// DKM 9SRDG1-60FW 9WD10BR MOTOR [/FAST]
411-0301// SPG S9I60GBH-V12 S9KC25BH MOTOR [/FAST]
411-0301// SPG S9I90GBH-V12 S9KC40BH SPEED CONTROL MOTOR
411-0301// SPG S9I90GTH SC9HC18 MOTOR [/FAST]
411-0401// TEKTRONIX FG5010 PROGRAMMABLE 20MHZ FUNCTION GENERATOR
411-0401// TEKTRONIX PS5010 PROGRAMMABLE POWER SUPPLY
412-0101// NSK RS0604FN002 (UNCLEAN) MOTOR [/FAST]
412-0101// NSK RS0608FN001 CABLE MOTOR [/FAST]
412-0101// NSK RS0608FN001 MOTOR [/FAST]
412-0101// NSK RS0608FN002 (BROKEN) MOTOR [/FAST]
412-0401 HITRON ELECTRONICS CORPORATION HSU45-11A POWER SUPPLY
412-0401// TODD PRODUCTS CO. MAX-754-1205A POWER SUPPLY
412-0501 MKS AS00348-02 MKS BLUE BOX 4000X EDIAGNOSTICS SYSTEM INTERFACE
412-0501 NOR-CAL BQC-200L-D INTELLISYS IQ PLUS SERIES PRESSURE CONTROLLER
413-0101 NSK M-JSG014DN503 MOTOR
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413-0201// NSK EDB-LPD2AEB500-01 DRIVER [/FAST]
413-0201// NSK ESA-0608AF6-21.1 DRIVER [/FAST]
413-0301// NSK ESA-B014T25-21 DRIVER [/FAST]
413-0301// NSK ESA-B014T25-31 DRIVER [/FAST]
413-0401// NSK ESA-1410AF4-21.1 (UNCLEAN) DRVIER [/FAST]
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413-0501// NSK ESA-Y5120T23-21 DRIVER [NOT WORKING/FAST]
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414-0101// NSK YS2020FN001 MOTOR [/FAST]
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414-0201// NSK ESA-Y3040C25-21 DRIVER [/FAST]
414-0301// NSK ELA-B030EF1-02 DRIVER [/FAST]
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414-0501// NSK EDC-PS1006AB502 DRIVER [/FAST]
414-0501// NSK EDC-PS1006AB502-B DRIVER [/FAST]
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415-0101// NSK M-PS1018KN002 (CUT CABLE) MOTOR [/FAST]
415-0101// NSK PS3015KN001 (WITHOUT CONNECTOR) MOTOR
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415-0501 NSK EMLZ10CF1-05 (WITHOUT BOLT) DRIVER
415-0501// NSK EMLZ10CF1-04 (WITHOUT BOLT) DRIVER [/FAST]
416-0201// YASKAWA SGM-01A314B AC SERVO MOTOR [/FAST]
416-0201// YASKAWA SGM-A3C3CN21 AC SERVO MOTOR [/FAST]
416-0201// YASKAWA SGM-A8B314B AC SERVO MOTOR [/FAST]
416-0202// YASKAWA SGM-04A314B AC SERVO MOTOR [/FAST]