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。

(25) USHIO UFL-F32T8/850

(25) FULHAM FLFT832W850

(25) HALCO 40807154194047

(25) GE GENERAL ELECTRIC G.E 42064

(25) HALCO 109404

(25) UFL-F32T8/850 (for USHIO)

(25) F32T8/850 (for SLI SYLVANIA LIGHTING)

(25) F32T8VLX/ND (for VERILUX)

(25) F32T8/850K/HL (for EIKO)

(25) 40807154194047 (for HALCO)

(25) F32T8/NATURAL SUNSHINE (for PHILIPS)

(25) 109404 (for HALCO)

(25) 42064 (for )

(25) F32T8/850K (for EIKO)

(25) FLFT832W850 (for FULHAM)

(25) F32T8VLX (for VERILUX)

Y1907 BARE LAMP ONLY (for SMITH & NEPHEW)

 LISTINGJ185E-AC (for TROJAN)

4115 BATTERY (for STRYKER)

N3645700 (for OLYMPUS)

DU 500 UV/VIS SERIES DEUTERIUM LAMP (for BECKMAN / ALTMAN) and

MTC3713 (for TESSCO)

DC224-6 (for FULL RIVER)

Replacement fo-CITE 120 (for EFOS)

(3) EXCELITAS CERMAX PE300BFA

 LISTING7250 (for NAPA)

PORTABLE PACK DIGITAL (for STORZ)

7210115 (for SMITH & NEPHEW)

LS7701 BARE LAMP ONLY (for LINVATEC)

PE300BFA (for BATTERIES AND LIGHT BULBS)

DO 543/05 J (for HANALUX / HANAULUX)

( SATCO F72T12/CW

( HALCO F72CW/M

( F72T12CW (for SYLVANIA)

( F72T12CW (for SATCO)

( F72CWM (for HALCO)

G1315D (for AGILENT)

(6) F40T12/BBY (for LIGHT BULB / LAMP)

 LISTING(6) 20189-7 (for PHILIPS)

 LISTING(6) PHILIPS 20189-7

DC24 (for DEKA)

24D140 BATTERY (for HARRIS)

24T800 BATTERY (for CROWN)

 LISTINGT105 (for US BATTERY)

01264000R (for BATTERIES AND LIGHT BULBS)

H444GS (for PHILIPS)

2701408 (for EZGO / CUSHMAN / TEXTRON)

538711 (for BECKMAN / ALTMAN)

 LISTING56391391330AHBATTERY (for NILFISK-ADVANCE)

898730 (for CARDINAL SNOWDEN)

Replacement foL4400 (for FUJIX / FUJINON)

Y1052 (for OLYMPUS)

Y1262 (for LINVATEC)

OH4BARELAMPONLY (for LEICA)

FTS4400 (for FUJINON)

LLX300BF (for CUDA TECHNOLOGIES)

Y1762 (for CERMAX)

SSX0300BARELAMPONLY (for SUNOPTICS)

MS2BARELAMPONLY (for LEICA)

9300BARELAMPONLY (for LUXTEC)

Y1064 (for OLYMPUS)

20133120 (for STORZ)

20133026 (for KARL STORZ)

08X300 (for ISOLUX)

OLS300BARELAMPONLY (for OLIVE MEDICAL)

304949-9001-000 LAMP ONLY (for ZEISS)

4686136001 (for ROCHE)

H8AGMVERSIONBATTERY (for BATTERIES AND LIGHT BULBS)

GRANTURISMOV847L850CCAAGMYEAR2019BATTERY (for MASERATI) and

 LISTINGVANQUISHV1260L830CCAAGMYEAR2015BATTERY (for ASTON MARTIN) and

 LISTINGSLRMCLARENV855L825CCAAGMYEAR2005BATTERY (for MERCEDES BENZ) and

 LISTINGGLE450AMGV630L850CCAAGMYEAR2016BATTERY (for MERCEDES BENZ) and

 LISTINGG63AMGV855L850CCAAGMYEAR2013BATTERY (for MERCEDES BENZ) and

V300-Y20A (for PERKIN ELMER)

MA6 (for KARL SUSS)

 LISTING8G24 (for DEKA)

PR18267A (for HERAEUS / HEREAUS)

S10, UV/VIS DEUTERIUM LAMP (for ANALYTIK JENA)

47642187001 (for CLUB CAR)

97451 LAMP AND HEAT SINKS (for INTEGRA)

DR/4000U (for HACH)

 LISTINGSL550 V8 4.6 L 850CCA YEAR 2013 BATTERY (for MERCEDES BENZ) and

 LISTINGSLA55-ER BATTERY (for PREMIUM POWER PRODUCTS)

 LISTINGRBC55 BATTERY (for APC)

AL-5060 (for WELCH ALLYN)

SSX0030 LAMP & MODULE (for SUNOPTICS)

150-200W WITH CABLE 201D1 202D1

(12) F35CX41U6WM (for )

MMC-62-SCST (for FLUKE)

CLV180 (for OLYMPUS)

Replacement fo6000BARELAMPONLY (for STRYKER)

CERMAX300W (for EXCELITAS TECHNOLOGIES)

CLVU20BARELAMPONLY (for OLYMPUS)

 LISTING94DLT (for DEKA)

 LISTINGF-4DLT (for EXIDE)

 LISTINGSLI4DLT BATTERY (for BATTERIES AND LIGHT BULBS)

Replacement foBO 2000W/H OFR (for SYLVANIA)

UXL-2000FS (for USHIO)

3EH-875 (for NATIONWIDE)

6551BATTERY (for NAPA)

 LISTING55B24RBATTERY (for PANASONIC)

 LISTING7551BATTERY (for NAPA)

U2200226AHBATTERY (for INTERSTATE)

SLIGC125BATTERY (for BATTERIES AND LIGHT BULBS)

(25) F32T8741ECOMAX (for WESTINGHOUSE / CAMELION)

IL-150 (for SELTZER INSTITUTE)

Replacement foBO R100W/45/OFR (for OSRAM SYLVANIA)

DRX1BATTERY (for CARESTREAM)

SPAJ2900 (for CARESTREAM)

103221902 (for CLUB CAR)

GC110230AHBATTERY (for UNI-SELECT)

GBAP2000230AHBATTERY (for POWERTRON)

CENTENNIALBATTERIESGC2200P230AHBATTERY (for CENTENNIAL

LH-51 (for SONNTEK)

U-4100 DEUTERIUM LAMP (for HITACHI)

C6957529 DEUTERIUM LAMP (for PERKIN ELMER)

DEUTERIUM LAMP - 3 WIRES

RAMVB168SW1 (for RAM MOUNTS)

Y1441 (for CERMAX)

SARA 3000 FAMILY BATTERY (for ARJO CENTURY)

SARA 3000 BATTERY (for PATIENT LIFT MODEL)

ALENTI BATTERY (for ARJO HUNTLEIGH)

WZ-5RUV-1 (for BATTERY)

WZ-5RUW-4 (for BATTERY)

 LISTINGEGG-FX-6A (for LIGHT BULB / LAMP)

 LISTING1538-A (for GENRAD)

 LISTING1531-9430 (for STROBOTAC)

 LISTINGFX-6A (for EXCELITAS TECHNOLOGIES)

 LISTINGFX-6A (for BATTERIES AND LIGHT BULBS)

WAT081142 (for WATERS)

 LISTINGBP291BATTERY (for FLUKE)