0010-29014工控产品优势经销
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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。
BOBST 704-1337-01 PC BOARD
BODINE ELECTRIC B10 W/43110411PAW PC BOARD DC DRIVE TERMINAL
BOFORS ELEKTRONIK H-2-KCA BOARD
BOFORS H-2-KG CIRCUIT BOARD
BOHERS H-2-KC-1 1131721A CIRCUIT BOARD
BOHERS H-2-KG 1133459 AMPLIFIER BOARD
BOMAC INC 11S1-65 CIRCUIT BOARD
BOMAN INC 11S01-00065-01 CIRCUIT BOARD
Bonitron 3438C2D3 Pcb Circuit Board
Bonitron 3460D4G Pcb Circuit Board
Bonitron 3460V2A46 Pcb Circuit Board
Bonitron 3460X4A1 Pcb Circuit Board
Bonitron 3534G1A Scr Gate Trigger Pcb Circuit Board
Bonitron 3534I2B Pcb Circuit Board
Bonitron 3534S4A1 Snubber Pcb Circuit Board
Boonton 576535d assy08252300a board for boonton audio oscillator 1110
Boonton assy 11102600a board for boonton audio oscillator 1110
Boonton assy 11102800a board for boonton audio oscillator 1110
Boonton assy 11103000a board for boonton audio oscillator 1110
Boonton assy 11103200a board for boonton audio oscillator 1110
Boonton assy 11202001a oiscillator 10mhz board for boonton audio oscillator 1110
Boonton assy 112022002y board for boonton audio oscillator 1110
BOSCH 0.811.405.067 CIRCUIT BOARD PL10-AGC1
Bosch 0811 405 086 Verstärkerkarte Proportional Amplifier Card 5/3 Wv NG 10 24V
BOSCH 0811405074 CONTROL CARD
Bosch 1070066924-109 R500 Control Card Module Plc Slot Board
Bosch 1070066924-110 R500 Control Card Module Plc Slot Rexroth
BOSCH 1070075324-102 PC BOARD DIGITAL INPUT MODULE
Bosch 8101304911 8101304910 Pcb Circuit Board
BOSCH 9536230017 CIRCUIT BOARD
Bosch Analog Leiterkarte 0811405097 Amplifier Card PV 60 0 811 405 097 Unit
Bosch Analog Verstärkerkarte PV60 Elektrical Amplifier Card 0811405097
Bosch B 830 303 245 Verstärkerkarte Proportional Amplifier Card 830303245
Bosch Card CNC Servo I No. 1070068006-102 Servocard Control
Bosch Card CNC Servo I No. 1070071494-101 Servocard Control
Bosch CNC Control Card 060668-102401 Unit Without Cover
Bosch CNC Control Card CP/Mem4 No. 1070068998-102 Control Board 09W36 E Unit
Bosch CNC Control Card CP/MEM4-1 No. 1070068998-102 Board Fd : 12W19 Unit
Bosch CNC Control Card Mat. No. 060668-102401 NC-SPS Word 3 Unit
Bosch CNC Servo i Card Mat. No. 065596-104401 Servocard Control Card CNC
Bosch Construction Group 1070068149-115 Board Module Spindle Drive Control Card
Bosch Control Board 047297-303401-201303 Control Card 047297 303401 201303
Bosch Control Card 060715-104401 Memory Card Slot Memory Module Card
Bosch Control Card 1070066924-107 R500 Module Plc Slot Board
Bosch Control Card CNC CP/Mem4 Control Board Mat. No. 066998-101401 Platine
Bosch Control Card CNC Servo 1070062860-106 O/E 062859-1067 Platine
Bosch Control Card Mat. No. 054860-202401 Control Board Platine Unit
Bosch Control Card Mat. No. 060739-101401 PC R600 E-Stand 01
Bosch Control Card Mat. No. 066627-305401 Platine Circuit Board
Bosch Control Valve 0 811 405 028 Control Card 24V Magnet 12V 0811405028
Bosch Drucktochterkarte D 830 303 749 830303749 Valve Control Card Ferromatik
Bosch Input Card Mat. No. 046088-507401 Input Module E-Analog 24 V Module Unit
Bosch Module 062859-1027 Component Board Alte Mat. Nr. 062860-104401 Platine
Bosch Module 064972-2027 Component Board Z-No 1070064971-202 Platine Unit
Bosch Module Platine Mat. No. 047858-503401 Module Circuit Board Rexroth Unit
Bosch Output Card 1070078587-202 Output Board A24v/0.5a Esf Version 1
Bosch Output Module 052190-404401 Eprom 16K 052190-301303 Card
Bosch Part 064983-2017 Component Board Old Mat. No. 064982-203401 Platine
Bosch Part Mat. No. 064971-202401 Component Board 064972-2027 O/E Platine
Bosch PC Control Card Mat. No. 050059-204401 R600 E-Stand 03 Unit
Bosch Platine Mat. No. 056583-106401 Circuit Board Module ZE613 Ag / NC3 Module
Bosch Platine Mat. No. 068149-105401 Circuit Board 105401 Card Electronic Module
Bosch Platine Mat. No. 1070066627-307 Circuit Board Card 066628-2047 O/E Unit
Bosch Platine Mat. No. 1070066627-308 Circuit Board 1698I Card Unit
Bosch Platine Mat. No. 1070066627-309 Circuit Board 09W06 Card
BOSCH POTM-CARD 0811405093 SETPOINT SIGNAL CARD
Bosch Power Board 038028-301401 Power Card 038028 038028/030064 Unit
Bosch QV60-RGC1 0 811 405 104 Pcb Circuit Board
Bosch Regelventilkarte 0 811 405 028 Control Card 24V 12V Pl 4/3 - 3/2 Wv
Bosch Rexroth 0 608 830 237 SE311 Steuereinschub 0608830237 Control Board Se 311
Bosch Rexroth Card DFF01.3 4/12ft EP Servo Controller Card R911307484 DFF01.1MEP
Bosch Rexroth Control Card 075325-1017 070075324-103 Module
Bosch Rexroth CPU Control Card ZS-401 1070077298-112 Module Card Version 2
Bosch Rexroth CPU ZS 401 incl. Memory Card
Bosch Rexroth DKC03.3 276719 Pcb Circuit Board
Bosch Rexroth Lt 303 0 608 750 84 Slide-Rule Control Card
Bosch Rexroth Lt 303 0 608 750 84 Slide-Rule Control Card 0608750084
Bosch Rexroth Output Card 1070050634-211 PC 400/600 Sps Output Module V 3
Bosch Rexroth Servo Drives 0 608 750 085 LT304 Servo Board 0608750085 Lt 304
Bosch Rexroth Steuereinschub 0608750086 Control Board SLT305 330 V 11 A Lt 305
Bosch Rexroth Steuereinschub 0608830237 Control Board SE311 Control Unit Se 311
Bosch Servo Control Card 065587-202401 065587 Interface Module Platine Card
Bosch Slide-Rule ZE200-COP2 Control Module Card 3802-C-B-H-T-V 3702-C-B-H
Bosch Steuereinschub 0 608 830 160 0608830160 SE301 Control Card 5-24V
Bosch Tenovis Asceu Module 28.5630.2002 A6 Plug - IN Card Board Building Group
Bosch Tenovis Atlc Module 28.5630.4003 A15 Plug - IN Card Board Building Group
Bosch Tenovis Dto Module 28.5630.3023 A11 Plug - IN Card Board Building Group
Bosch Tenovis Eswa Module 28.7640.3395 A1 Plug - IN Card Board Building Group
Bosch Verstärkerkarte 0811405036 Amplifier Card Prop. Reinforced Sdbv NG 6 24 V
Bosch Zs 501 1070071320-104 Module Card + 128K RAM 1070066845-103
Boser HS-5620 Isb Industrial Single Board Computer Isa 586 V/l/sound 100m
BO-SHERREL 70010 CIRCUIT BOARD
BOSTON 104786701 SNUBBER/TRIGGER BOARD
BOSTON BGW-D-62289-G CONTROL CARD
BOSTON DIGITAL B-017 CIRCUIT BOARD
BOSTON SNUBBER/TRIGGER BOARD 1055910
Bot Engineering C14-PCBD-50CC Pcb Circuit Board
Bot Engineering C14-PCBF-50CC Flow Vac Pcb Circuit Board 50ml/min Rev 0.0
Bot Engineering ES-MS3004-PN-AC-PCB Pcb Circuit Board
Bot Engineering ES-MS3004-PN-DPC-PCB Pcb Circuit Board
Bot Engineering RM-SM-2100002 Flow Averaging Board 0-10m3/s
Bot Engineering RM-SM-2100002 Flow Averaging Display Pcb Board
Bot Engineering RM-SM-2100002 Flow Averaging Pcb Circuit Board
Bot Engineering RM-SM-3000008-02 Power Supply Pcb Board
Bot Engineering RM-SM-3000015-01-IFB Pcb Circuit Board
Bot Engineering RM-SM-3000015-01-U568 Pcb Circuit Board 0-8m3/s
Box Of 10 EatoBMUCEMLP60X15 Marker Cards
Box Of 2 Leeds Northrup 4905-01-33-092-7 Conductivity Sensor
BR AUTOMATION RESOLVER 8BAC0122.000-1 BOARD/CARD MODULE
Brabender BT1082R1 Pcb Circuit Board
Brabender BT1182 Pcb Circuit Board
Brabender BT2161-E4/A1 Pcb Circuit Board
BRAMSON SC1040 CIRCUIT BOARD
BRAMSON SC1060 CIRCUIT BOARD
Brand
BRANSON 100-242-275 ULTRASONICS BOARD
BRG BRG7X160TC-ENH MESSAGE BOARD
bridge 87-0097-01 90-0032-06 V35 Card
BRIDGE 87-0698-01-0X-A V.24 RS232 Card
BRIDGE 87-1088-01-32-E, 90-1184-05/E 2B1Q-27LC2 CARD
BRIDGE 87-1582-01-26-D, 90-4927-01/J 28LC CARD
bridge Alcatel Data Com Processor Card 90-0670-01 87-0155-01
Bridge Clock Card 90-0641-01/E 87-0184-01-37-A
BRIDGE SWITCHING CARD 90-0640-03/D 90-0661-01/D 87-0195-01-20-B
Bridgeport 134199A Regulator Pcb Circuit Board
Bristol Babcock 392004-03-8 Analog Input Pcb Circuit Board
Bristol Babcock 392906-11-2 Cpu Board
Broadcom CN-OXK104-72200-36R-01P6-A02 Network Card
BROOKS INSTRUMENT J.097-B.068 REV. E BOARD
BROOKS S097Y247AAA CONTROL BOARD
Brother B521111-5 Pcb Motherboard
Brother B52J052-200A Pcb Circuit Board
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