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随着PLC应用领域日益扩大，PLC技术及其产品结构都在不断改进，功能日益强大，性价比越来越高。
    （1）、在产品规模方面，向两较发展。一方面，大力发展速度更快、性价比更高的小型和**小型PLC。以适应单机及小型自动控制的需要。另一方面，向高速度、大容量、技术完善的大型PLC方向发展。随着复杂系统控制的要求越来越高和微处理器与计算机技术的不断发展，人们对PLC的信息处理速度要求也越来越高，要求用户存储器容量也越来越大
    （2）、向通信网络化发展
    PLC网络控制是当前控制系统和PLC技术发展的潮流。PLC与PLC之间的联网通信、PLC与上位计算机的联网通信已得到广泛应用。目前，PLC制造商都在发展自己**的通信模块和通信软件以加强PLC的联网能力。各PLC制造商之间也在协商*通用的通信标准，以构成更大的网络系统。PLC已成为集散控制系统（DCS）不可缺少的组成部分。
    （3）、向模块化、智能化发展
    为满足工业自动化各种控制系统的需要，近年来，PLC厂家先后开发了不少新器件和模块，如智能I/O模块、温度控制模块和专门用于检测PLC外部故障的**智能模块等，这些模块的开发和应用不仅增强了功能，扩展了PLC的应用范围，还提高了系统的可靠性。
    （4）、编程语言和编程工具的多样化和标准化
 
    多种编程语言的并存、互补与发展是PLC软件进步的一种趋势。 PLC厂家在使硬件及编程工具换代频繁、丰富多样、功能提高的同时，日益向MAP(制造自动化协议)靠拢，使PLC的基本部件，包括输入输出模块、通信协议、编程语言和编程工具等方面的技术规范化和标准化。
FANUC A14B-0067-B002 A20B-1000-0410 POWER SUPPLY A14B0067 WARRATY 90 DAYS
GE CIRCUIT BOARD 44B294269-002/4 44B294177-001 44A294511-G01
HITACHI SEIKI VM-40 CNC MILL 01-05-04/01 BOARD 01050401 01-05-04
ISLATROL ACTIVE TRACKING FILTER I-102 120VAC LR-58750
KURODA SOLENOID VALVE LEADWELL MCV-550S CNC VERTICAL MILL
MATSUURA MC-1000VS CNC SUMTAK OPTCODER WHEEL ENCODER MGX-10B MGX10B
MICRO SWITCH SL1-P2 LIMIT SWITCH SL1P2 MAKINO MC40 CNC MILL
MIYANO BNC-34 CNC LATHE PATLITE LME-TW LMETW FB076 1Q20V AC 50/60HZ LAMP LIGHT
MORI SEIKI SL-3 CNC LATHE ELECTRONIC DOOR OPENER SLIDER BOSCH REXROTH R480040221
OKUMA CADET V CNC MILL TSUGE CO LTD HEAT EXCHANGER TYPE 500 W E5502-470-140
PARKER D1VW9HNJWF70X4595 SOLENOID VALVE OKUMA L1420 CNC LATHE
SIEMENS INDUCTION MOTOR 1HU 3058-0AC01-Z 1HU3058-0AC01-Z ROD 320
TAMAGAWA SEIKI ENCODER TS1901N113E3 TS1901 N113 E3
WILKERSON PNEUMATIC AIR FILTER REGULATOR L20-03-000 0 90 CINCINNATI MC02 MCO2
ACROLOC AF 15-40 MILL CNC HONEYWELL MICRO BZE6-2RQ8 LIMIT SWITCH ROLLER TYPE
BROTHER TC-323 QL4 CHICK VISE #2 QL4 CHICK KURT WORK QL4 VISE
CNC LATHE TOUCH PROBE EYE PRE SETTER PRESETTER TOOL CHANGING ARMS EYES
EMCO TURN-325 CNC LATHE SIEMENS 01E TJ5001-0BB4 CONTACTOR VDE 0660/IEC 158
FANUC ROM DRIVE A20B-0008-0480
HAMAI MC-3VA CNC VERTICAL MILL PARAMETER TAPE ROLL PARAMETERS LIST
HITACHI SEIKI VM-40 CNC MILL VCMD MET MTSP VK/VM AC INV 851211 900525 BOARD
ALLEN BRADLEY CIRCUIT BOARD 1771-0W16/B J01
CHARMILLES CIRCUIT BOARD 853512 812089a 853 512 812089 A
DAIKIN JSO-G02-2BA-20 OPERATED VALVE JSOG022BA20
FANUC A20B-0008-0230 A20B00080230 A350-0008-T232 CNC CIRCUIT BOARD
GENERAL ELECTRIC GE MARK CENTURY 1050 CONTROL SWITCH 44D904128 3N8100CS111E1
HARDINGE SUPER SLANT GN-3 CNC FANUC M-M INTERFACE A20B-0008-0500 A350-0008-T504
HURCO 415-0177-002-F PERSONALITY BOARD 414-0177-001 C HURCO BMC-20 414-0177-001C
KURODA ENCODER AG1711 C-1 AG1711C-1
MATSUSHITA EA4031H811 SMALL BUZZER 125V SMALL TOPPER NOVA-200 CNC LATHE
MAZAK V12 V-12 CNC VERTICAL MILL CAD-11-L CAD11L YAMAGAWA OIL CHILLER PART
MITSUBISHI FX2N-16EX-ES/UL PROGRAMMABLE EXTENSION MODULE FX2N16EXESUL
MORI SEIKI SL-3H CNC LATHE DIAGRAM LIST SCHEMATICS INSTRUCTIONS MANUAL
OKUMA CIRCUIT BOARD E0241-653-101
PARKER TRILOGY SYLLABIC COMPANDOR LINEAR MOTOR MAGNETIC TRACK SCALE
SIEMENS POWER SUPPLY BOARD 6SC6190-0FB00
TDK PD17B POWER UNIT LEADWELL MCV-1000E
YAMATAKE HONEYWELL BZ-2RQ18-T4-J LIMIT SWITCH BZ2RQ18T4J SINGLE LEADWELL
ACROLOC M15 FANUC SWITCHBOARD FRAME OPERATOR CONTROL PANEL KEYBOARD
BROTHER TC-323 TAPPING CENTER CNC SANYO DENKI 65BA030VDT10 SERVO AMPLIFIER SUPER
CNC NSD CONVERTER UNIT MODEL VI-12030P1RT2.8 VI-1 V1-12030P1RT2.8 POWER
ENGESPARK EDM 400 MACHINE BOARD RACK CHASSIS ENCLOSURE
FANUC SERVO AMP A06B-6058-H203 F76 00925-B BASE ONLY NO BOARD
HARDINGE CHNC CNC LATHE 10' INCH PULLEY
HITACHI SEIKO H-CUT304P CNC EDM ETRI 141LV 141LV 2282 115V FAN 141LV2282
KURODA PULCEN ENCODER PC-1024ZLH-8K-68
MAZAK MLTPLX 420 MITSUBISHI SPINDLE DRIVE MAINTENANCE MANUAL FREQROL-SF M046-ES
MITSUBISHI DWC-90 NC-EDM SYSTEMS K SERIES STANDARD EQUIPMENT OPERATION VOL. 1
MORI SEIKI TL-5 CNC LATHE MISC OIL LUBRICATOR RESERVOIR ALUMINUM FILTER
OKUMA LB-15II LB-15 CNC LATHE X AXIS BALL SCREW 30 1/2" BALLSCREW
OMRON D4NS-3BF SAFETY DOOR SWITCH D4NS3BF
SHOWA YMAS-6 SHOWA YMAS-6 PART #5 TREE MILLENNIUM 3200
SUNON COOLING FAN DP201A 220v
VARTECH SYSTEMS VT20B-CF VT20B-CF-101-00-00 CRT MONITOR DIS**Y VT20BCF1010000
2003 MERCEDES CL500 A 220 460 0816 Q8 A 220 462 04 20 G STEERING COLUMN
Biesse Rover CNI VIG 7211.30 VIG 2153063 00 Circuit board
CINCINNATI MILACRON PSR4/5A-250-7500 POWER SUPPLY PSR45A2507500
ELCO POWER SUPPLY MAKINO CNC VERTICAL MILL
FANUC CONTROL PANEL OM 0M A02B-0083-C132 MONITOR A02B0083C132 MIYANO TSV-21 CNC
GENSPARK CY38 EDM CNC MAXSEE MAX SEE 4-AXIS SERVO BOARD 8620
HITACHI SEIKI TF15 CNC LATHE TOKO LW30-51 POWER SUPPLY MODULE LW3051 LW 30-51
ACROLOC M15L CNC VERTICAL MILL MEAD FLUID DYNAMICS SWITCH CONTROL VALVE
BT 40 BT40 CNC TOOLHOLDER TOOL HOLDER 1 5/32"
CNC TOOL CUTTER HOLDER TURNING 1" 1''
ENSHU 650VX CNC MILL Z AXIS SPINDLE HEAD GEARBOX ASSEMBLY BT50 CAT50 CT50
FANUC SERVO MOTOR PULSE CODER A860-0304-T111
HARDINGE CHUCKER VBS CNC FURNAS ELECTRIC C-5026 3 HP 110V 3PH PART #1
HOUR METER PANEL E5405-019-513 ES405019513 OKUMA MC 4VA
LEBLOND MAKINO BARON 25 CNC LATHE BOSTON GEAR REGULATOR FILTER LUBRICATION
MAZAK V5 CNC MACHINE CONTROL W/ FANUC ENCODER PULSE GENERATOR A860-0200-T011
Mitsubishi PC Board MC271B BN624A871G52A MC721
MORI SEIKI FRONTIER M2 FM-2 F-M2 CNC SHINKO 122M2-400C CLUTCH BRAKE
NORGREN PNEUMATIC AIR REGULATOR R46-200-RNLA W/ USG PSI GAUGE
OKUMA MC4VA 2ND YUKEN HYDRAULIC CYLINDER CGLB-32B70B-125 CGLB32B70B125
REXROTH HYDRONORMA VALVE 4 WE6 E51/AG24NZ5L1 43 4WE6E51/AG24NZ5L143
SIEMENS 3TH2040-0BB4 CONTACTOR 3TX422-2A 3TH20400BB4 TRAUB TNM 42 CNC LATHE
SUPERMAX MAX-1 REBEL NC PARAMETER AND PITCH ERROR CNC LIST SHEET
VICKERS ACRAMATIC 2100 SERVO DRIVE AS06300 AMPLIFIER
2003 MERCEDES CL500 RIGHT PASSENGER PILLAR MOULDING PANEL SILVER OEM
BORING BAR B 2516 INS.-N 3L---6 DL80 CNC 1 7/8" SHANK
CINCINNATI SABRE 750 ERH CNC MILL SIEMENS C0210---RD38 BOARD PCB C0210RD38
ELINDUKTRA SUNDBERG 50/60 HZ 3 PHASE 6 KVA TRANSFORMER BBCB SMT SWISS CNC
FANUC DC SERVO MOTOR MODEL 5 A06B-0614-B022
GETTY'S FANUC SERVO MOTOR NO ENCODER A06B-0601-B032
HITACHI SEIKI VA-40 CNC VERTICAL MILL TOOL HOLDERS 20 40 TAPER CAT 40 CT40 atc
KIMEX CNC DIS**Y MONITOR UNIT KMC-320D 120-240V REV.B 8437-MCRT 14100341
MATSUURA MC-500V-DC CNC VERTICAL MILL SPINDLE MOTOR
MITSUBISHI DWC-110 EDM CNC LC 3E LC3E BN624A148H01 MACHINE BOARD
MORI SEIKI MV-45 CNC MILL YASKAWA OVERLOAD RELAY RH-18/0.55MP
OKUMA CNC LATHE FOOT PEDAL SWITCH OJIDEN FOOT SWITCH OFL-1-SM2.KS
OKUMA MC-4VA MC4VA TOOL CHANGER CAROUSEL ATC CAT40 CT40 CAT 40 ARM
SEGA MASTER SYSTEM OUT RUN OUTRUN VIDEO GAME CARTRIDGE SEGA RARE ORIGINAL CASE
SQUARE D OPERATING MECH. CLASS 9421 FN-1 FN1 HANDLE CNC
TRAUB TNM 65 LATHE KLOCKNER MOELLER MOTOR CONTROLLER STARTER PKZM0-25 PKZMO-25
1989 JAPAX CONTROL DRV-4GV 655-00-0125 DRV-4G COMPUTER UNIT
ASK SK PRESSURE SWITCH VALVE SV-618 CNC
CINCINNATI ARROW 1000 CNC MILL SIEMENS 3 542 1382A BOARD PCB 35421382A
DYNA MYTE DM4400M CNC LOT OF 4 POTTER BRUMFIELD W58XB1A4A-2 BREAKER 2A 250VAC
FANUC AC SPINDLE MOTOR ELECTRICAL TERMINAL BOX A290-0301-X425
GE FANUC AC SERVO MOTOR MODEL 5S A06B-0314-B201 NO ENCODER. MOTOR ONLY
HITACHI SEIKI HiTURN 2520 CNC 3AM1 4.5V 3A M1 BATTERY CAPACITOR 80-01
345 345 551 506.510K 10 SLOT 345551506510K VALVE MAHO 600
BOXER FAN 220V WS2107FL-1003 IMPEDENCE PROTECTED CNC
CKD GAB41-03-7 GAB41037 VALVES CNC
ELOX COLOR GRAPHIC PRINTER P11-153 80501 0 P11-153 PII-153 RS232 RS232C
FANUC HITACHI BUBBLE MEMORY UNIT BMU 64-2 A87L-0001-0016
GROMAX EVERMORE B1-40X25 4(1") TOOL HOLDER B140X254 OKUMA LB-15II CNC LATHE
HITACHI SEIKI VM-40 CNC MILL PT.TSS1-01 BOARD PTTSS101 PT.TSSI-0I
LEADWELL MCV-550S CNC MILL FANUC ADD I/0 A3 A16B-1210-0590 A320-1210-T596 BOARD
MAZAK VQC-30B/50 CNC MILL N.P.S.V B 161A BOARD PCB NPSVB N.P.S.VB
MITSUBISHI CNC SPINDLE MOTOR COOLING FAN
MIYANO LS-18C CNC LATHE SMC CM2E40-75 145 PSI PNEUMATIC MACHINE CYLINDER
NOMURA NNC P1053 CNC DAIKIN SOLENOID OPERATED VALVE JS-G01-2CB-12-103 COIL 200V
OKUMA Okuma Robot Panel 5000 S Teach Pendant ROBOT PANEL 5000 S E0189-653-025
SEIKI PT.G3 C RELAY BOARD PCB PTG3C
STAR KNC -16/20 CNC LATHE MITSUBISHI SUPER LINE SF-JRFC INDUCTION MOTOR SFJRFC
TREE JOURNEYMAN-325 ECON-O-TROL E1H-H250 250PSI PARKER PNEUMATIC CJ1S70116L11BE
1989 JAPAX EDM Z AXIS JAPT MEASURING UNIT
ATC CONTROL PENDANT PANEL F93065914 LEBLOND MAKINO 74-A30 CNC LATHE
CINCINNATI ARROW 500 750 1000 1250 ACRAMATIC 2100E OPERATING MANUAL 91203809-001
DYNA MYTE DM4400M CNC SET OF 2 LEGS PADS BASE STAND 3 1/2" INCH
FANUC CABINET RAIL PANEL
GE FANUC SERIESTHREE PROGRAMMABLE CONTROLLER IC630MDL352A
HITACHI SEIKI HT 25S CNC LATHE 8- JB-4 OUT-2 IN85-03 1N85-03 CONNECTOR BOARD
JAPAX DX45NC EDM S-2721B 33A-28 SLAVE BOARD S2721B 33A28
MATSUSHITA BALLAST JK7020 100V
MITSUBISHI COLOR DIS**Y MONITOR FT3420ETL 100-120V
MORI SEIKI SL 1-7 YASNAC LX-1 LX1 CNC I/O LIST IO LIST MANUAL
NAKAMURA TMC-4 CNC LATHE ACTUATOR DRAWBAR DRAW BAR (SEE PICS FOR DIMENSIONS)
OKUMA LB-15 CNC LATHE B-03-15423-3 COOLANT B03154233 PUMP MOTOR
PRATT WHITNEY EDM W1 FANUC RESISTOR UNIT A04B-0220-C412 IWAKI NCRH80V NCRH200V
SIEMENS BOARD, 6SC6100-0GC11 462 101 9062.11, ALARM BOARD, C98043-A1304-L
SODICK FS-A3C EDM CNC YASKAWA THERMAL OVERLOAD RELAY RH-35/7.8 RH3578
TOYODA FH-45 CNC MILL TOYO-OKI TOOYOOKI HD3-43***-BG1A-025A SOLENOID VALVE
YASKAWA SERVOPACK CPCR-MR 085K2 CPCR-MR 085 K2 BASE ONLY NO BOARD
AMADA DEGA TURRET PUNCH PRESS OMRON TL-T5E2-7 PROXIMITY SWITCH TLT5E27
CHARMILLES POWER SUPPLY CIRCUIT BOARD 853506 814096 B 853 506 814096B
DAIKIN SOLENOID OPERATED VALVE KS0-G02-9CA-30-CLE KSO-G02-9CA-30-CLE
FANUC A16B-0160-0030 PCB BOARD A16B01600030
FUJI ELECTRIC FIELD REGULATOR CDPB1CAF-51 TYPE: FREG-10E DC150V 10A
HITACHI S C BOARD 68E*7297 68E3157297 HITACHI SEIKO H-CUT 3045 EDM
1999 DAEWOO ACE DMV-400 CNC ATC TOOL CHANGER CHANGING ARM
BIESSE ROVE C.N.I. SR1 CPS256 7187.20