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外部輸入設(shè)備的選用與PLC輸入繼電器的使用

    1. 外部輸入信號(hào)的采集

    PLC的外部設(shè)備主要是指控制系統(tǒng)中的輸入輸出設(shè)備，其中輸人設(shè)備是對(duì)系統(tǒng)發(fā)出各種控制信號(hào)的主令電器，在編寫(xiě)控制程序時(shí)必須注意外部輸入設(shè)備使用的是常開(kāi)還是常閉觸點(diǎn)，并以此為基礎(chǔ)進(jìn)行程序編制。否則易出現(xiàn)控制錯(cuò)誤。

：張亮（工程師）    專(zhuān)線：
24小時(shí)移動(dòng)專(zhuān)線：         【】

    在PLC內(nèi)部存儲(chǔ)器中有于輸入狀態(tài)存儲(chǔ)的輸入繼電器區(qū)，各輸入設(shè)備（開(kāi)關(guān)、按鈕、行程開(kāi)關(guān)或傳感器信號(hào)）的狀態(tài)經(jīng)由輸入接口電路存儲(chǔ)在該區(qū)域內(nèi)，每個(gè)輸入繼電器可存儲(chǔ)一個(gè)輸入設(shè)備狀態(tài)。PLC中使用的"繼電器"并非實(shí)體繼電器，而是"軟繼電器"，可提供無(wú)數(shù)個(gè)常開(kāi)、常閉觸點(diǎn)用于編程。每個(gè)"軟繼電器"僅對(duì)應(yīng)PLC存儲(chǔ)單元中的一位（bit），該位狀態(tài)為"1"，表示該"軟繼電器線圈"通電，則程序中所有該繼電器的觸點(diǎn)都動(dòng)作。輸入繼電器作為PLC接收外部主令信號(hào)的器件，通過(guò)接線與外部輸入設(shè)備相，其"線圈"狀態(tài)只能由外部輸入信號(hào)驅(qū)動(dòng)。

INDRAMAT DSM2.1-S11-01.RS PROGRAMMING MODULE DSM21S1101

NIB ALLEN BRADLEY 609U-AAB MANUAL STARTER SIZE 0

KGK AW-2304 PUMP RATION 45X1 104M2 AW02304

FURNAS 42DE35AG106 MAGNETIC CONTACTOR DEFINITE PURPOSE 

 NUMATICS MODEL NO. 33SAD435K VALVE REPLACEMENT UNIT

GW LISK 3633139 COIL 110/120V 50/60HZ 1X1.25 X.75IN CEN

SOLA SDN20-24-480C POWER SUPPLY SDN2024480C 24VDC/20A

AUTOMATED PACKAGING SYSTEMS 55524A1 I/O BOARD 55525E1

MOTOROLA AES-0262 CONTROL BOARD MODULE RIO II REV. 1.20

MITSUBISHI MELSEC-J71LP21-25 DATA LINK UNIT 5VDC 0.5

 ROSS S2768C5F00 VALVE 2768C5900 SAE-08 DUAL PO CK

LOT OF 2 NIB FAG 22313E S AB BEARING

AMPHENOL XH075DL4K-AA10E31 CABLE 31FT

MODICON 100-021 PC BOARD REF/TIMER S007-000

RANSBURG 9020 GEMA CONTROL-UNIT 9020-1

GE AF-60 LP MICRO DRVE 6KLP43001X9A1 AF60LP 132F0046 NI

SIEMENS RV462G BUS PLUG FUSIBLE 60A 600V 4P GND

REXROTH VT3006 S35 R5 PROP. AMPLIFIER

HUBBELL FDS60 CIRCUIT-LOCK F DISCONNECT SWITCH 60AM

NIB ABB A185-30-11 CONTACTOR 1SFL491001R8411, A1853011,

GENERAL ELECTRIC IC600YB929A OUTPUT MODULE W/ 44A717558

 SQUARE D 52046-117-51 SCR/POWER ASSEMBLY 5204611751

NIB KAYDON KC055CP0 REALI SLIM BALL BEARING

 MARTIN 6 5V 1250 F SHEAVE QD 6 GROOVE 5V BELT

NIB ALLEN BRADLEY 801-EMC21 LIMIT SWITCH 801EMC21

 LEESON M1115018.00 GEAR MOTOR M111501800 985.504E

 SLO-SYN M092-FC-301 STEPPING MOTOR 3VDC/4.0

BARNETT PROTALK OPTION 004 BACKUP BATTERY SUPPLY 12VDC 

 MILLER ELECTRIC 070-609 CONTROL CARD ELECTRICAL BOA

DURANT 58821-400 SINGLE PRESET W SCALING 120V 58821400 

GRECON 108973 BATTERY RAM CARD

MOELLER ELECTRIC PS3-AC110 PROGRAMMABLE LOGIC CONTROLLE

AUTOMATED PACKAGING 59121A1 STRIPPER PLATE

BEI KAS25-R-HS-0360-B-C-TL-05-E-X ENCODER D/C 9941

 ALLEN BRADLEY 505-T0B STARTER 505T0B SER. B

 ALLEN BRADLEY 1606-XL480E-3 POWER SUPPLY SER. A, 16

LANTECH PANEL BOARD

KRONES NEUMO DN25 VALVE 2-1/2'' STAINLESS STEAL P/N: 00

NIB BOSCH 9810231006 DIRECTIONAL CONTROL VALVE 081WV06P

INTROL DESIGN MODEL 601 INTROLOC 1 DIGITAL SPEED CONTRO

TEXAS INSTRUMENTS 500-5011 OUTPUT MODULE 2AMP 120VAC 8P

OHMIT RHEOSTAT MODEL U STOCK NUMBER 1462 (IN BOX)

POWER ELECTRONICS BT1523-1A SMOOTH MOVE MOTOR CONTROL

NIB FANUC IC200MDL650C MODULE INPUT 24VDC POS/NEG GROUP

 SQUARE D HDL36025 CIRCUIT BREAKER MOLDED CASE CIRCU

NIB IFM EFECTOR LK7022 LEVEL SENSOR LK0264A-A-00KQPKG\U

BRAD HARRISON 409P606-35 MPIS CABLE 409P60635 

NIB GE FANUC IC693CPU313P BASE 5-SLOT WITH CPU 10MHZ

FANUC A860-2000-X011 ENCODER A8602000X011

SMC RS1H63TN-30BM-R STOPPER CYLINDER RS1H63TN30BMR 

VICKERS KXCG6 W160 3 Z MU H1 10 VALVE W/ KCG3L160DZMU..

ALLEN BRADLEY 1791-IOBW 64 POINT I/O MODULE 1791IOBW

SIEMENS 6SE6440-2UD15-5AA1 DRIVE 6SE64402UD155AA1

IPE CHESTON 31035-225 RELAY BOARD W/RELAYS 31035225

CLEVELAND-KIDDER M846-01449-004 UPB-1 LOAD CELL 250LBS

TEMPOSONICS 0110060703202000 ANALOG OUTPUT MODULE

TEMPOSONICS 0110330503202000 ANALOG OUTPUT MODULE

DYNACORP 304294-28 CLUTCH-BRAKE 30429428

TR ELECTRONIC 110-01595 ENCODER CE-65M

ISSC 300-LC3A LOGIC BOARD 300LC3A REPAIRED

 BOSCH REXROTH 9810231276 DIRECTIONAL CONTROL VALVE

BOSCH 3 608 870 347 MEASUREMENT CONVERTER 3608870347

RELIANCE 705330-32S RECTIFIER NETWORK 70533032S NIB

ELATRON 4549.09.01 GAS FLOW CONTROL BOARD 870476050114 

MOORE INDUSTRIES IPX CURRENT TO PRESSURE TRANSMITTER

EMECANIQUE GV3P65 CIRCUIT BREAKER GV3-P65 NIB

VEKTOR FLO 3706B CO-OP TOOL C1-0100-01 CYLINDER CARTRID

RAYTRON 336-10 TENTION CONTROL BOARD 120VAC 9.6AMPS 60H

MODICON AS-J890-101 I/O INTERFACE PROCESSOR ASJ890101

BEI MOTION SYSTEMS E25BE-6R-1024-ABZC-8830-LED-SM18-S E

G.W. LISK COMPANY H-2496B COIL 110/115VAC 50/60HZ 2WIRE

GE FANUC IC600BF832K INPUT MODULE 115VAC 32POINT 44A720

VICKERS DG4V-3-8C-VM-FPA5WL-B6-61 02-145156 DIRECTIONAL

VICKERS DG4V-3-2A-M-S5-FTWL-B2-60 02-110005 DIRECTIONAL

KEYENCE KV COMPLETE SYSTEM

 ROLAND S0001883 SENSOR P42GS

DIAGRAPH 8701-922 SOLENOID DRIVER BOARD 8701922

SQUARE D EDB34030AABA CIRCUIT BREAKER 30 A 480Y/277V

HONEYWELL 621-0010R ANALOG OUTPUT MODULE 6210010R

TOWA SEIDEN HL-221 LEVEL SWITCH 

MODICON AS-M84A-002 REV. B CPU MODULE ASM84A002

HPI E5091580 20792729 HYDRAULIC UNIT 

KOMET UB8303051 HSK-63A ROUGH STEP BORE 

NIB TOKIMEC DG4V-5-0A-M-P7L-H-7-40 DIRECTIONAL VALVE

AVTRON M284L 256 51-LP1 SENSOR

BEI 924-01005-678 ENCODER H25D-SS-9000-M5-ABZC-7406-LED...

AVTRON M284L 1024 51-HP1 SENSOR

SIEMENS R15E02A174E6 POWER INTERFACE BOARD

CUTLER-HAMMER C32KN3 STARTER SERIES B1

 PARKER D3DW 30 B N J P I 5 N 41 VALVE D3DW30BNJP

ALLEN BRADLEY 1784-KT COMMUNICATION MODULE NIB

NIB SKF BSC-12030 SAFEFLOW ALARM BOX-C

FISCHER PERMASCOPE M10B-GAB1.3 THERMAL ANALYZER 126-682

HONEYWELL 621-3560R INPUT MODULE 6213560R 

 GENERAL ELECTRIC CR9440J 600V LIMIT SWITCH

NIB TOKIMEC DG4V-3-2C-M-P7-H-7-57 DIRECTIONAL VALVE

BAUMER THALHEIM ITD 27 A 4 Y20 ENCODER ITD27A4Y20 NIB

PHILIPS 9404 462 35901 BASIC CARD IQT 940446235901

GE FANUC IC600BF832K INPUT MODULE 115VAC 25 MA/PT MAX I

POWERTRON 103-13 ISOL/FLD SUPPLY UNIT

BEI MOTION SYSTEMS H25D-SS-1000-ABZC-8830-LED-EM18 ENCO

VALMET A413200 PC BOARD W/ AIU 8 SIMUL.

RELIANCE ELECTRIC 0-51444 DRIVER BOARD

MTS TEMPOSONICS LDT POSITION SENSING SYSTEMS

ROSEMOUNT 644RANA TEMPERATURE TRANSMITTER 4-20 OUTPUT 

 TRI-TRONICS UVS-3 SMARTEYE LUMINESCENCE STEALTH-UV 

 OMEGA LCGD-30K LOAD CELL LCGD30K 0-30,000LBS

NIB EMECANIQUE XML E060U1C23 ANALOG PRESSURE SENSOR

GOODYEAR 1540XH300 BELT POSITIVE DRIVE TRAPEZOIDAL TOOT

FERRAZ SHAWMUT A13X4000-128TA AMP-TRAP FUSE 4000A 130V 

 FESTO CP-E16-M8-Z INPUT MODULE CPE16M8Z 16 INPUTS 3

PARKER D1VW020DNJG56 SOLENOID OPERATOR VALVE NIB

LANTECH 55001801 CONTROL BOARD CAROTRON C10192C

VICKERS DG4S4-0131C-U-H-60 PILOT VALVE 02-140554 

I-T-E SIEMENS LD LD63F600 3 POLE 600 AMP TRIP BREAKER I

RICE LAKE RL35082-N5-4K LOAD CELL SEB RL35082N54K NIB

RICE LAKE RL30000A-4K LOAD CELL RL30000A4K NIB

MODICON AS-B873-011 ANALOG INPUT ASB873011

RICE LAKE RL20001-T10-1K LOAD CELL 21405 NIB FS

HONEYWELL 151ML1 0130 HEAVY DUTY ROLLER LIMIT SWITCH NI

GOODMAN DIGITAL COUNTER S660-S13026  IN BOX S660S130

 ADMIRAL VALVE CO. SPENCE A43 PILOT VALVE

HONEYWELL 300-CM16 MEMORY BOARD 300CN16

UNICO MODULE RACK P/N: 306-637 MODIFIED PER DRAWING 701

NIB VERO ELECTRONICS GARDNER-DENVER NT400 POWER SUPPLY 

NIB FACTORY SEALED ALLEN BRADLEY 1794ACN15 FLEX I/O 179

NIB ORIENTAL MOTOR SS31MA-J CONTROL MODULE 3AMP 100VOLT

ENDRESS+HAUSER TH14 TEMPERATURE SENSOR 

 EMOTIVE E80070 PC BOARD WITH COMPONENTS

 DATALOGIC DAL 90A301230 OM-DRAGON BASE/CHARGER

DATAMETRICS S-9328A-1500 ENCODER TRU-MITE S9328A1500

 BOSCH 081WV06P1V1004KE115/60 D51 VALVE 081WV06P1V10

 SENOTEC CSV 55-L50 LEVEL CONTROLLER SERIES C

 
MITRPAK GEAR DRIVE RT ANGLE 1" IN DIA SHAFT 1:1 REV INP

 VICKERS DGMC3PTCW30 PRESSURE RELIEF VALVE

EMECANIQUE XCSL766B3CA SAFETY INTERLOCK SWITCH 300V

NIB HONEYWELL 621-9937 PARALLEL I/O MODULE 6219937

COMPUTERWISE 8403042 PC BOARD 21002, 840304-2

SUPER VEXTA KBLD60-C AC SERVO DRIVER 

TIMKEN 2MM208WI DUM SUPER PRECISION BEARINGS 2MM208WIDU