DSSR170質量杠杠的DSSR170質量杠杠的
PLC的發展趨勢
隨著PLC應用領域日益擴大，PLC技術及其產品結構都在不斷改進，功能日益強大，性價比越來越高。
（1）、在產品規模方面，向兩極發展。一方面，大力發展速度更快、性價比更高的小型和超小型PLC。以適應單機及小型自動控制的需要。另一方面，向高速度、大容量、技術完善的大型PLC方向發展。隨著復雜系統控制的要求越來越高和微處理器與計算機技術的不斷發展，人們對PLC的信息處理速度要求也越來越高，要求用戶存儲器容量也越來越大。
（2）、向通信網絡化發展
PLC網絡控制是當前控制系統和PLC技術發展的潮流。PLC與PLC之間的聯網通信、PLC與上位計算機的聯網通信已得到廣泛應用。目前，PLC制造商都在發展自己的通信模塊和通信軟件以加強PLC的聯網能力。各PLC制造商之間也在協商通用的通信標準，以構成更大的網絡系統。PLC已成為集散控制系統（DCS）*的組成部分。
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鄭娟萍
廈門仲鑫航自動化設備有限公司
（3）、向模塊化、智能化發展
為滿足工業自動化各種控制系統的需要，近年來，PLC廠家先后開發了不少新器件和模塊，如智能I/O模塊、溫度控制模塊和專門用于檢測PLC外部故障的智能模塊等，這些模塊的開發和應用不僅增強了功能，擴展了PLC的應用范圍，還提高了系統的可靠性。
（4）、編程語言和編程工具的多樣化和標準化
多種編程語言的并存、互補與發展是PLC軟件進步的一種趨勢。 PLC廠家在使硬件及編程工具換代頻繁、豐富多樣、功能提高的同時，日益向MAP(制造自動化協議)靠攏，使PLC的基本部件，包括輸入輸出模塊、通信協議、編程語言和編程工具等方面的技術規范化和標準化。
PHOENIX IB IL 24 DI 4 TERMINAL BLOCK INLINE DIGITAL 4INPUT 24VDC(LOT OF 2 *XLNT*
RELIANCE ELECTRIC RH4B-UL 120VAC RELAY 10A 30VDC (LOT OF 4) ***XLNT***
TCI KLR35ATB KLR SERIES THREE PHASE REACTOR 35A 600V ***XLNT***
PHOENIX IB IL 120 DI 1 TERMINAL BLOCK INLINE POWER 120VAC **XLNT**
INTERBUS IB STTB 120/130 DO 8/3-1A **XLNT**
GE SRPF250A90 CIRCUIT BREAKER ***NIB***
PHOENIX INTERBUS IB IL DO 4 AC-1A INTERBUS INLINE TERMINAL 1AMP 12-253VAC *XLNT*
PHOENIX INTERBUS IB IL 120 PWR IN TERMINAL BLOCK INLINE POWER 120VAC **XLNT**
INTERBUS IB STME 24 BDI 16/4 INPUT MODULE 16POINT DIGITAL 24VDC **XLNT**
ALLEN BRADLEY 700-HA33A1 120VAC SER A GENERAL PURPOSE RELAY (LOT OF 2) **XLNT**
MAREL A004787 CONTROL CABINET NETWORK SERVER **XLNT**
INTERBUS IB STME 24 BK-T 24VDC CONTACT **XLNT**
INTERBUS 2719315 IB STME 120/230 DO 8/3 PHOENIX CONTACT **XLNT**
ALLEN BRADLEY 709-FOD SIZE 5 SER K 600V 3-2PH STARTER **XLNT**
SQUARE D H361 SAFETY DISCONNECT SWITCH (ENCLOSURE ONLY) **XLNT**
ALLEN BRADLEY 100-A09ND3 CONTACTOR SER B 660V 5.5KW 9A (LOT OF 3) **XLNT**
EMECANIQUE XCK-T121 LIMIT SWITCH W/ ROLLER 240VAC 10AMP ***XLNT***
GOULD SHAWMUT 67583 ALUMINUM POWER DIST BLOCK 3 POLE **XLNT**
LENZE 7042 P2 PC BOARD W/ I/O **XLNT**
NIBCO W910B 2.5" SILENT WAFFER CHECK VALVE 2-1/2" FIG ***NIB***
SOLA SOLIDS 84-05-150 INPUT 115VAC OUTPUT 5VDC POWER SUPPLY ***XLNT***
DEIF H0350/5 100 AMP METER GAUGE ***XLNT***
RIDGID B-294 FOOTSWITCH 15A-125 250VAC **NNB**
DEIF 40350/1 TRANSFORMER VOLT METER GAUGE ***XLNT***
ACCU-SORT SYSTEMS 95020406 OPERATOR INTERFACE PANEL ***XLNT***
RELIANCE ELECTRIC BLS-S5-5-G8-05 BALLUFF DATA SENSOR ***XLNT***
SQUARE D HU361DS STAINLESS STEEL SAFETY SWITCH (ENCLOSURE ONLY) ***XLNT***
EMECANIQUE XVA-C03 400MM BANK AND BEACON TUBE ***NNB***
DAYTON 2C362 FAN BLADE 18" DIAMETER 3 BLADE ***NNB***
FMI RP-G50 METERING LAB PUMP **XLNT**
CUTLER HAMMER A30CDA0 ENCLOSURE MOTOR STARTER 460/575V 10HP ***XLNT***
CUTLER HAMMER WMS1D30 D30 CIRCUIT BREAKER 240V 5A 1POLE (LOT OF 2) **XLNT**
EMECANIQUE LC2D0910 REVERSING CONTACTOR 750V 25A **XLNT**
ELLIOTT 64B 4"-5"-6" COPPER GROUNDING CLAMP (LOT OF 4) **NNB**
CUTLER HAMMER WMS1D20 D20 CIRCUIT BREAKER 240V 5A 1POLE (LOT OF 6) **XLNT**
CUTLER HAMMER WMS1D05 D5 CIRCUIT BREAKER 240V 5A 1POLE (LOT OF 5) **XLNT**
FCI 12-64-4/1"/2"U/SW/L 5281-W-ADFH NEMA TYPE 3 BASIC FLOW SWITCH **XLNT**
FCI 12-64-4/1.5 NEMA TYPE 3 BASIC FLOW SWITCH **XLNT**
MICRO MOTION 1000555-REV H KEYPAD INTERFACE BOARD FOR DMS1-NA-1-C-SP *XLNT*
MICRO MOTION 0261401 REVV E PCB BOARD FOR DMS1-NA-1-C-SP *XLNT*
MICRO MOTION 0265201 REV C POWER BOARD FOR DMS1-NA-1-C-SP **XLNT**
DURANT/EATON 58841-401 COUNTER CONTROL INTERFACE ***XLNT***
UM 49407-072 140PSI 100 DEGRESS F. VACUUM TANK **XLNT**
MICRO MOTION 026850 PCB BOARD FOR DMS1-NA-1-C-SP *XLNT*
MICRO MOTION DMS1-NA-1-C-SP DENSITY MONITORING SYSTEM 115VAC DAMAGED DISP *XLNT*
MICRO MOTION DMS1-NA-1-C-SP DENSITY MONITORING SYSTEM 115VAC ****XLNT****
DODGE/RELIANCE F4BLT7108 BUSHING ***NIB***
PARKER AC61-2 ACTUATOR VALVE 150PSI 10 BAR ***NIB***
MICRON 55-406304-3181 SERVO MOTOR 1:2 RATIO *NIB*
PARKER P3NRA96BNG P3N 3/4" REGULATOR ****NIB****
PARKER/HYDRAULIK D1VA1C 70 DIRECTIONAL CONTROL VALVE 5000PSI/345 BAR MAX **NIB**
HUBBELL 2210-142CC13FS PILOT DUTY SPEED SWITCH **XLNT**
WATTS 263A-1-25 COMPACT WATER PRESSURE REGULATOR 1/4 ***XLNT***
WATLOW 999D-12KK-JDRG TEMP CONTROL MULTI LOOP LIMIT PROCESS ***XLNT***
SOLA SLS-24-036T POWER SUPPLY 24VDC 3.6A ***XLNT***
OMRON CS1W-ID231 INPUT MODULE CS1 DC24V 32POINT 6MA ***XLNT***
OMRON CS1W-OD212 OUTPUT MODULE 0.5/2.5AMP 16POINT 24VDC ***XLNT***
OMRON CS1W-V600C11 ID SENSOR UNIT ***XLNT***
PACKARD 7601727 130V 2A 60HZ TEMP CONTROLLER ***XLNT***
VWR SCIENTIFIC 13259-034 HEATBLOCK III 120VAC 200WATT 50/60HZ ***XLNT***
KLEINKNECHT LE 10.078 A3 UJ 2000 RELAY MODULE **NNB**
KLEINKNECHT LE 10.078 A4 UJ 2000 RELAY MODULE **NNB**
IPC ISSC 90CPCC ICP 90 PROGRAMMABLE CONTROLLER 115/220V ***XLNT***
MITSUBISHI FR-APB COMPUTER LINK MODULE ***XLNT***
GLOBALTEC 951048 CFM 80D CRIMP FORCE MONITOR ****XLNT****
HONEYWELL C637B1002 GAS PRESSURE SWITCH 5PSI ****XLNT****
EMERSON 02-783406-10 D MOTHERBOARD ****XLNT****
MITUTOYO 905409 SPC CONNECTING CABLE 80" **NIB**
GAGETALKER GP62453 DIGITAL GAGEPORT VERSION 2.4 H/W G**XLNT**
GAGETALKER GP50900 GP 2102NT DIGITAL GAGEPORT ***XLNT***
GRALEX 301-3-1 DIGITAL PANEL METER **NIB**
SQUARE D KXBB07 POTENTIOMETER **NIB**
FAZ G1A CIRCUIT BREAKER 220/380 AC **XLNT**
LENZE 742E3 MAIN PC BOARD **XLNT**
LENZE 7043P1 5/7050/0140 PC BOARD W/ I/O **XLNT**
WOODS PC132 E-TRAC CONTROL MODULE **XLNT**
LITFUSE L60030C-1PQ 600V 30A FUSE HOLDER (LOT OF 4)***XLNT***
SQUARE D K250D1 INDUSTRIAL CONTROL TRANSFORMER***XLNT***
SIEMENS 6DD1-684-0DC0/6DD1684-0DC0/465 684 9032.00 PSV/ATV CABLE ***NIB***
OPTA5 INPUT/OUTPUT CARD FOR MFG HVX9000 SERIES***XLNT***
EUROTHERM 385851 ISSUE 3 DRIVE SUPPLY BOARD 590 SERIES***XLNT***
HONEYWELL CXS0010HPV32G2I1 AC DRIVE 1HP 208-240V (FOR PARTS) ***PARTS***
EATON SVX004A1-2A1B1 4HP AC DRIVE 17.5A 220-500V ***XLNT***
TORNOS BECHLER 115910 TIMING RELAY 5130.3.015***XLNT***
FERRAZ-SOCOMEC 2410 3F 600V 16A GENERAL PURPOSE SWITCH***XLNT***
MOORE PRODUCTS 61VH VHC BOOSTER RELAY ***XLNT***
SIEMENS 6ES5 375-0LD21 SIMATIC S5 16K X 8BIT MEMORY SUBMODULE ***XLNT***
MODICON 91-01094-00 DISPLAY MONITOR 8-1/2" x 8-3/4" x 6-3/4" ***XLNT***
MCGILL 182760;301 CAM FOLLOWER 1 3/8 SB (LOT OF 2) ***NIB***
B&R 8AC130.60-6 REV E0 PLUG IN MODULE ***XLNT***
