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

ALLEN BRADLEY MPL-B330P-SJ72AA SERIES A SERVO MOTOR

DANAHER MOTION SC453-004-15 DRIVE

ALLEN BRADLEY 4100-ALEC SERIES C ENCODER

SIEMENS 6ES7340-1CH02-0AE0 PLC PROCESSOR

SCHNEIDER ELECTRIC GLC2600-TC41-24V HMI

IDEC HG3G-8JT22MF-B HMI

LAFERT AMPH90L BA2 MOTOR

BOSCH R911305623 SERVO MOTOR

PHOENIX CONTACT QUINT-PS/1AC/24DC/40 POWER SUPPLY

EMBRY WINSLOW TANK AND HOPPER WEIGHT SYSTEM, SSM-AJ-1000, 100LBF (4941 - )

STOBER K102AG0140MT10F GEAR

SICK XC40E-0901A0A0CBC0 SENSOR

SANYO DENKI P20B13500FXSH0 SERVO MOTOR

NIDEC CORP EI-203-00-000 SERVO DRIVE

DODGE 202A05R56 TIGEAR-2 REDUCER (145435 - )

DODGE 20A15L56 TIGEAR-2 REDUCER (145428 - )

ENDRESSHAUSER 63MT08-ATF00B25XXX (64634 - )

FUJI ELECTRIC GYC152DC1-SA SERVO MOTOR

RELIANCE ELECTRIC MOTOR (2722 - )

INDRAMAT TVM 2.2-050-220/300-W1/115/220 SERVO DRIVE

COGNEX XE-552C LENS

LEESON 110353.00 MOTOR

OHIO GEAR B2262MQ140 RIGHT ANGLE GEAR REDUCER (63615 - )

PENTAIR 20-2587102 VALVE

SCHNEIDER ELECTRIC 140-DAO-842-20C PLC MODULE

DATALOGIC DS2100N-1214 BARCODE SCANNER

1  DATALOGIC DS2100N-1214 BARCODE SCANNER

AYDIN DISPLAYS 18" INDUSTRIAL PANEL VFP18S4 100/240VAC 0.8/0.4A 50/60HZ (24278

DANAHER MOTION 42-114324-7545 GEAR

ODRIVE WA20 DT171D2 GEARMOTOR 230/400V 2.85/1.65A 3800/135RPM 3 PHASE

GENERAL ELECTRIC IC660CBB903J PLC MODULE

HONEYWELL 1911IER-3USB-5-N BARCODE SCANNER

1  HONEYWELL 1911IER-3USB-5-N BARCODE SCANNER

REGAL BELOIT 110671.00 MOTOR

STERLING 4FR00S050 GEAR (0388) (34497 - )

BALDOR VM8004 INDUSTRIAL MOTOR 1�HP FRAME: 56C 208-230/460V 5.3-5/2.5A 60HZ

ASEA BROWN BOVERI ACS601-0006-4-000B1200801 DRIVE

SICK C40E-0904CB010 (1018819) SAFETY LIGHT CURTAIN RECEIVER (36689 - )

GENERAL ELECTRIC IC695CHS016-DA PLC RACK

FANUC IC695CHS016-BA PLC RACK

NORDSON 274793D HOSE

BOSCH DDS02.1-W050-D SERVO DRIVE

ODRIVE KA37/R CM71M/TH/RH1M/KK MOTOR

FANUC A20B-1006-0110 CIRCUIT BOARD

ODRIVE R17DRS71S4 GEARMOTOR (136727 - )

HONEYWELL RA890F-1304 FLAME SAFETY/CONTROL PROTECTORELAY (130831 - )

ASEA BROWN BOVERI PM3435P MOTOR

SARTORIUS 5701502S9---REP FILTER

SMC M66MB50-500-XC18 GUIDE CYLINDER SLIDE, 145PSI (4223 - )

US MOTORS F041B MOTOR

ALLEN BRADLEY MPL-A320H-MK22AA SERIES A SERVO MOTOR

BOSTON GEAR DRIVE REDUCER SRF72610NB5G 1750RPM 3.63HP 10:1 RATIO (1127 - )

SIEMENS 1FK6063-7AF7 GEAR (61540 - )

ODRIVE DRS71H4 GEARMOTOR .75HP 1690RPM 2.50/1.25A 60HZ (63915 - )

SEW-EURODRIVE RF37 DT71D4 GEARMOTOR (157752 - )

DOUGLAS DYNAMICS D6872 MOTOR

SIEMENS 1LA90834KA11 MOTOR

NIDEC U32S2ACR MOTOR (134382 - )

MITSUBISHI QD75MH4 PLC MODULE

ODRIVE S37DRS71M4 MOTOR

SIEMENS 3VL1702-1DA33-0AA0 CIRCUIT BREAKER

ALLEN BRADLEY 2711-B6C20L1 SERIES B HMI

KAPS ALL PACKAGING EB-650A TESTING DEVICE

MOOG 152H233 PROCESS CONTROLLER

HITACHI CHAIN 50-1R, 50 FT X 1 PC. (4579 - )

SEW-EURODRIVE SA37 DT80K4/BMG/TF GEARMOTOR (157247 - )

LEESON M1125269.00 MOTOR HP 1/4 TORQUE 280 LB-IN 90V 42RPM (37038 - )

SIEMENS 6ES7551-1AB00-0AB0 PLC MODULE

NORDSON 8507145 HOT GLUE DISPENSER

MITSUBISHI Q06UDHCPU PLC MODULE

EFECTOR PN3229 SWITCH

KEBA DO-272/A PLC MODULE

RECHNER KFA-5-1-L-P-A-Y50 PROBE

SCHK PGN 64-1 GRIPPER

GENERAL ELECTRIC DS200SDCIG1A CIRCUIT BOARD

BALDOR CWDM3538 WASH DOWN A-C MOTOR, 1/2HP, 1725RPM, 3PH, FR:56C 208-230/460V

 CWDM3538 WASH DOWN A-C MOTOR, 1/2HP, 1725RPM, 3PH, FR:56C 208-230/460V

GENERAL ELECTRIC 173C8434FA G03 FILTER

YASKAWA ELECTRIC SGDV-OCC02A PLC MODULE

TIGEAR 202Q15L56 GEAR REDUCER (145444 - )

BELDEN RS2-16 ETHERNET SWITCH

ADEPT TECH 10330-00400 CIRCUIT BOARD

OMRON 3G3XV-A4007-CE DRIVE

ASEA BROWN BOVERI VEUHM3558 MOTOR

ZEBRA Z4M00-2001-4000 THERMAL LABEL PRINTER (135385 - )

QUANTIS HB381CN180TC GEAR REDUCER (150657 - )

YASKAWA ELECTRIC SGDR-COA250A01B AMPLIFIER

REGAL BELOIT 110035.00 MOTOR

ODRIVE RF32DT71D4-KS MOTOR

VIDEOJET 399180 PRINTER

FANUC A06B-6057-H006 SERVO DRIVE

ODRIVE DFT71D4 W/ R17DT71D4-15.84 RATIO MOTOR

WORLDWIDE ELECTRIC HDRF262-30/1-R-56C GEAR

SCHNEIDER ELECTRIC TCSESM083F1CS0 SWITCH

BONFIGLIOLI BN 90LA 4 230/400-50 IP55 CLF B5 MOTOR

FANUC A80L-0012-0010-01 TRANSFORMER (136240 - )

ALLEN BRADLEY F-4030-Q-H00AA SERIES A SERVO MOTOR

MAGNETROL KOTRON SENTINEL 804-R01C-330 RF LEVEL TRANSMITTER 120VAC (28819 -

NIDEC CORP FX-455 SERVO DRIVE

EATON CORPORATION TA15CWBA-1AA04000 HYDRAULIC CYLINDER

AUTOMATION SOURCE TECHNOLOGIES 9AFG01505/410 SERVO MOTOR

SKF 22318 MB K W33 BEARING

REXROTH R480608247 CYLINDER (159057 - )

MOOG G413-604A SERVO MOTOR

KEB AUTOMATION 09-F4-S1D-1220/1.2 DRIVE

SIEMENS 6SN1123-1AB00-0BA1 DRIVE

ABB 0U 90 L 2 AR MOTOR (63566 - )

ALLEN BRADLEY 520E-BOD SERIES C MOTOR STARTER

ALLEN BRADLEY 709-F0D46 MOTOR STARTER

ALLEN BRADLEY 140M-I8R-D15-M SERIES A CIRCUIT BREAKER

ALLEN BRADLEY MPF-B430P-SJ22BA SERIES A SERVO MOTOR

ALLEN BRADLEY 1769-IF4I SERIES A PLC MODULE

WENGLOR CP24MHT80 SENSOR

HI-SPEED K2 OPERATING MECHANISM

PARKER C3S025V2 F10 I21 T30 M00 SERVO DRIVE

BYSTRONIC 10071766 DRIVE

BTG JCT1100/A CONSISTENCY TRANSMITTER (136154 - )

FANUC A20B-1000-0950/05A PC BOARD (133320 - )

ALLEN-BRADLEY 1785-L11B  REV C PROCESSOR MODULE (138996 - )

CATTRON 840ET-90 PORTABLE RADIO REMOTE CONTROL (158415 - )

CONCOA 4322301-01-580 PRESSURE TRANSMITTER

DUFF NORTON L9521 ROTOR

EMERSON ROSEMOT 3051-TG3F2B21AA0190A0 PRESSURE TRANSMITTER (RP088 - )

EMERSON ROSEMOT 3144P D1F2NAA01B4GM TEMPERATURE TRANSMITTER (RP082 - )

TOTOKU ELECTRIC W/ FANUC A61L-0001-0092 W/ A02B-0094-C021 OPERATOR INTERFACE ..

LEUZE MLC500T30-2100 SAFETY LIGHT CURTAIN (145160 - )

FANUC A02B-0207-C030 POWER RACK (141059 - )

MECAIR MTS7-P5D SEQUENCER (100556 - )

PARKER S025V2F10I20T40M11 SERVO DRIVE

ALLEN BRADLEY 140G-HC6C3-C70 SERIES A CIRCUIT BREAKER

ANDERSON INSTRUMENT SL5088100001370 SIGNAL TRANSMITTER

ALLEN BRADLEY 1336-B005S-E0D-L3-S1 SERIES A DRIVE