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。

Turck RSM-RKM-5735-10M MINIDOUBLE ENDED CORDSET U-46696 (CBL11DM S

Parker 1.50CD4MA2U19AC05.00 Pneumatic Cylinder 4MA Series (YE242)

Climax H2C-393 3-15/16'' ID 2 Piece Shaft Collar (GR19DM S

Turck RYM 66-6M 6M MiniCordset U99-13087 (CBL10DM S

Lapp/Epic 10.1039 HBE24  Singe Lever Panel Mot Base (BL25DM S

Martin 2060B19 Bore Sprocket 1-1/2" 19 Teeth (YE21DM S

Mayr 2/100.311 Clutch / Torque Limiter (CL141)

Bussmann Fusetron FRS300  Dual Element K5 Fuse 300 Amp 600V (GR21DM S

Mac Valves 6321D-000-PM-111DA 110/120VAC Solenoid Valve

Panasonic EX-19A-PN Photoelectric Sensors 12-24VDC NPN

Yale Hyster 504224285 Steer Bearing Cap 4-1/2'' (CL340)

IMI Norgren LRA204NANNNN Pneumatic Clamp Assembly (BK14DM S

SMC CDG1BA20-150A-C73L-XC8 Cylinder w/ Reed Switches (OV100)

Lenze 8400 BaseLine D Inverter Drive | E84avbde3714sxo (GR19DM S

year 2322V1001 Variable Speed Belt (BE120)

WIKA 213.40 4" PRESSURE GAUGE 4226324 1/4" 60PSI NPT LM (RE18DM S

Micron Regist 500W15HB 15 Ohm Regenerative Brake Resistor (CL357)

TPC Wire  Cable 74702 Cable Assembly (CBL12DM S

Parker 2.00 CD2AU14AC 3.000 Pneumatic Cylinder CC514253B 250PSI (CL327)

Baldor Dodge 112877 / P44-8M-30-2012 HT250 8M Sprocket (SH107)

NITRA E25M040MD-M 25mm Bore 40 Stroke Double Acting Pneumatic Piston (CL21DM S

Ross Controls CX34NA4550DM SValve 2-10 Bar (BL12DM S

ATLANTA RINGFEDER DISC 4061 050X090 (BL12DM S

ITT Conoflow 33 Commandaire Pneumatic Valve Positioner 1/4 Npt Ports (CL11DM S

Murr 7000-18111-6171000 MSDU Valve Cable, 4 Wire 10 Meter (CBL147)

Brad Harrison DN11A-M060 5-Pole 6 meter Devicenet Cable (CBL12DM S

Bimba MFD M4F210-08-G Pneumatic Foot Pedal 0-115 PSI (CL400)

Turck Rssw-Rksw-455-12M U0371-13 Profibus Cable 5 Pin M12 (CBL150)

SMC VFRA3411 Air Pilot Valve VFR3000 Solenoid Valve 4/5 Port (BL177)

Auburn Triboflow 12" 2000 Series Sensor (OV10DM S

SCHNEIDER ELECTRIC LUB12 Power Base (BK120)

Allen Bradley 1491-N333 Fuse Block Series A (BL16DM S

Yale 505963537 Brake Master Cylinder (CL100)

Puls SL10.100 Power Supply Input - AC 120/240V Output - DC 24V/10A (BK13DM S

Tolomatic 36009089 Hall Effect Switch Sensor (BL28DM S

Parker H1FWX000XXC Single Remote Pilot Air Valve

Parker 2.00DSRM02.00 Pneumatic Cylinder 2'' Bore 2'' Stroke SS Body (CL401)

Festo CPE18-M1H-5J-1/4 5/2 way Pneumatic Valve w/24VDC Coils 163143

Turck CSFD 16-16-2/S613/CS13086 Pigtail / Cable Cordset U45455 (CBL102)

Fuji Electric SC35BAA Contactor w/ TK-N2 32-42A Relay (CL187)

INA NATR40-PP-A Yoke Type Track Roller 40X80X32mm - Germany (YE150)

SMC CDQ2B32-25 DZ Pneumatic Cylinder (YE161)

NATC 7/8-12 S 2B HS GH-6 Cast Iron Tap USA 1001917 - (BK107)

SMC CDQMA40TF-100 Guide Rod Cylinder 40mm Bore 100mm Stroke (CL37DM S

Allen Bradley 1753-dnsi Guardplc DeviceNet Safety Scanner f/w rev 1.002 (GR18DM S

Hartmann  Lammle WE04-6P100-4 Hydraulic Valve (GR122)

Gortrac Nylatrac 1505595 Cable Carrier 22 Links 42" X 1.37" X 1.17" (BK13DM S

Ametek SS 150019  US Gauge 4-1/2" in Hg VAC 30-0-60 PSI Pressure Gauge BL177

Turck RSM-RKM-5735-5M MINIDOUBLE ENDED CORDSET U-46696 (CBL120)

SOLA SDN 5-24-100P Power Supply Module 115/230 VAC 24 VDC / 5A (BK13DM S

DM SSOLA SDN 5-24-100P Power Supply Module 115/230 VAC 24 VDC / 5A (BK13DM S

SOLA SDN 5-24-100 Power Supply Module 115/230 VAC 24 VDC / 5A (CL14DM S

Allen Bradley 1492-CM800-LD015 Ser. A F Swing-Arm Conversion Module (CB10DM S

Numatics I63BA43AMG56Y61 I62BA400M000061 Solenoid Valve with Base (CL18DM S

Eaton HS-24-10A Surge Suppressor Device 400-1000. 24VDC (BK10DM S

Allen Bradley 879D-F4HJDM-3 4-Pin Female Micro to Dual Male 3 Meters (BK13DM S

Fanuc EE-4696-544-002 ESTOP / BRAKE Cable / Harness (CBL1DM S

Taylor Dn 41-127-64 Dana Cover Plate fill Plug Kit (RE201)

Wika 6" Gauge 4287895 212.20 160 PSI 1/2 " NPT Lower (RE212)

Yamatake Honeywell Microswitch LMA-21-01J Limit Switch Plger 2A 125VAC (GR187)

SMC VS7-6-FIG-D 24VDC Solenoid Valve (GR100)

Mitsubishi A2SHCPU CPU PLC, 14k Step Processor w/ Key (GR22DM S

DM SMitsubishi A2SHCPU CPU PLC, 14k Step Processor w/ Key (GR22DM S

Banner LEDIA80X80W  LED LIGHT ARRAY 02902 (GR18DM S

CKD R3100-10-W-L  Pressure Regulator 0.05-0.35 MPa, Rc 3/8" Ports (RE242)

Turck RKC 4.4T-10-RSM 40 UX06617 (CBL11DM S

Automative Valve L4505AA-R Compact Spool Valve (CL120)

Airtac HLQ16X20S Compact Air Cylinder w/ Flow Valves (RE147)

Fusetron FRN-60  of (DM S 250V 60A Fuses (GR17DM S

Festo ADN-40-100-A-P-A / 536288 Pneumatic Cylinder (CL271)

Automation Products Group 4300 Air Valve 110/120VAC (YE12DM S

Honsa HTP-8113R Rotating Retainer (CL19DM S

Hammelmann 01.02981.0553 Hydrualic Pump Fitting (BL27DM S

Parker WP565609-D Pneumatic Cylinder 1.50'' Bore 4'' Stroke (RE15DM S

Bussmann Low-Peak LPN-RK-100SP  Lot of (DM S 250V 100A (CL10DM S

Dadco Nitrogen Gas Spring U.0400.125.T0  32mm 2600 PSI (GR11DM S

Schneider Electric MGN61397  C60 15A 3P Breaker (RE12DM S

Mac 48B-AUA-000-GEUA-1GE  Solenoid Valve With Base 120 Psi (BL12DM S

Stilson VL-6601 Vacuum Generator (RE227)

Atlas Copco 4210361780 Complete Motor Casing (CL220)

Lapp Epic 10161000 / 10.1610 Panel Mot Panel Base (SH10DM S

IFM Efector OGS-OOKG/US/90° / OG5129  Sensor 10-30VDC 9M (BL24DM S

Atlas Copco 4222-0485-05 Remote Control Kit/Harness-TECH MOTIVE TOOL (GR201)

SQUARE D C60  Multi 9 CIRCUIT BREAKER 30A 60198 (RE19DM S

Parker 1XA78-12-12 #12 3/4" Caterpillar Flange Head Hose Fitting (CL301)

MAC 811C-PM-111JD-152 110/120VAC Solenoid Valve (CL18DM S

Speedivac QSBIB Butterfly Valve 584 (CL121)

Fuji Electric 70C-1A 2-3/4" Oversize Black Push Button Momentary (CL13DM S

Schmitt SB1640 Balance System Connector Cable (YE24DM S

SMC CDQ2B50TF-20TZ Compact Pneumatic Cylinder (Cl36DM S

Festo J-5-1/4-B 5/2 G1/4 Pneumatic Valve

Test Products 25-875-0032-R01 Circuit Board PCD 25-880-0046-001

Parker P8S-MPSHX PNP Sensor 0.3M M8 10-30VDC

SMC CDQ2B25-50DZ Compact Pneumatic Cylinder 25mm Bore, 50mm Stroke

Panasonic SX GS-8S Inductive Proximity Sensor 2mm Range

Panasonic SX GX-5S Shielded NPN Inductive Sensor 10-30VDC

Panasonic SX GX-3S / UGX3S Shielded NPN-NO Proximity Sensor

Gates 8MGT-1440-21 / 8M-1440-21 Poly Chain GT Power Timing Belt

Panasonic GX-5M-R / UGX5MR Proximity Switch Sensor M5, NPN

Apex SA-404 1/2'' Square Drive 3/4'' 6-Point iversal Socket

Fanuc A20B-2902-0374//01A

Simatec SL18-250 Simalube 250 ML Single Point Automatic Lubricator NOS (BK170)

OMRON K31-FLK1 / K31-SDM SProcess Meter Module (YE101)

ABB Autoquip JG-1004 Dual Encoder Input Divider Board (CB101)

Turck BL20-32DI-24VDC-P Electronic 32 digital Input Module 6827015 (RE13DM S

Warner Electric Armature Hub for Clutch or Brake 5103-541-008 - (GR122)

Brad Harrison 712P401 Multi-Port Interconnect System (GR201)

Banner MGAB-4 Machine Guard Control Module 30348 (BL16DM S

Fanuc Robotics EE-4696-632-009 FIBER OPTIC SERVO CABLE 9M (CBL10DM S

Asco 8262G212V Solenoid Valve 110/ 120 VAC (CL267)

SMC EX600-SMJ1 CC Link V2 Si it / Module (BL171)

ASCO 8320G003 Solenoid Valve 1/8" 20PSI (BL241)

Magadyne 20/AT10-3750 Timing Belt MFX Series (BE122)

Joslyn Clark TB113-1 110/120 VAC Magnetic Coil Type CYA Starter (RE1DM S

DM SJoslyn Clark TB113-1 110/120 VAC Magnetic Coil Type CYA Starter (RE1DM S

Festo D.S-PSV-3 72-S0NAT 152864 3/2-Way Valve w/ Mushroom Actuator (GR107)

Eaton E57MAL18T111EB1 PREMIUM 18mm INDUCTIVE PROXIMITY SENSOR (RE12DM S

SMC solenoid valve VEX1500 (RE141)

DesignAGroove Thinbit CN036377B Lot of 12 Grooving Insert (BL140)

Yale Hyster Tube 580075843 / 8223-53771 (RE12DM S

TESTAR MARPOSS  6872030021 DigiCrown PSC (RE11DM S

Fanuc A290-7324-Z421 J4 Gear (CL28DM S

Turck BI2-CRS476-ADZ30X2-B3131/S34 - 4276693 Sensor 47.6mm Probe (CL13DM S

Turck BI2-CRS260-ADZ30X2-B3131/S34 - 4275493 Sensor 26.0mm Probe (CL13DM S

Visolux 9.011 007 Beam Sensor Visolux SL 5-S 318077003 10MM (RE107)

Yamatake Honeywell FE7C-TLC6E  Proximity Sensor (YE130)

SCHNEIDER TELEMECANIQUE ZCMD21M12 Square D Limit Switch (RE13DM S

IFM Efector TS2051 TS-200KCKD10  Temperature Sensor (RE13DM S

Honeywell 922AA3XM-A9N-L  Proximity Switch(GR12DM S

Turck BI2-CRS705-ADZ30X2-B3131/S34 - 4277893 Sensor 70.5mm Probe (GR15DM S

IFM Efector EBC002 Splitter  M12 4-Ways 10-30V DC 12A (BL160)

Hydepark VM1-NN0-Q Proximity Sensor (BL11DM S