1746-OA16

　　1plc的定義plc稱為可編程序控制器，它是按照成熟而有效的繼電器控制概念和設計思想，利用不斷發(fā)展的新技術、新電子器件，逐步形成了具有特色的各種系列產品，是一種數(shù)字運算操作的專用電子計算機。它是將邏輯運算，順序控制，時序和計數(shù)以及算術運算等控制程序，用一串指令的形式存放到存儲器中，然后根據存儲的控制內容，經過模擬，數(shù)字等輸入輸出部件，對生產設備和生產過程進行控制的裝置。

　　2plc的發(fā)展歷程1969年dec公司按照gm(美國通用汽車公司)的要求研制了世界上第一臺plc并且在gm公司得到成功的應用。此后公司使plc商品化。plc是專門設計出來用于同繼電器產品競爭并逐步取代了傳統(tǒng)的繼電器。plc作為一種工業(yè)專用計算機，經歷了以下幾個發(fā)展的歷程。

　　1969-1972為第一階段，是plc的初期階段，在該階段的各廠家的plc差別很大、沒有統(tǒng)一的硬件和軟件標準、功能簡單、專用性強，硬件主要以分離元件為主，體積較大、性能較差、可靠性不高。

　　1972-為第二階段，在該階段plc逐步演化為一種專用的工業(yè)計算機，可靠性大大提高，成本大幅度降低，面向過程的梯形圖和語句表語言面世，系統(tǒng)逐步向標準化過渡，這些都為plc的普及奠定了基礎。

　　DESTACO WK400-15-6-K POWER CYLINDERS, ISO FIT, W/ T-SLOT SENSOR MOUNT

　　DESTACO WK400-15-6-A POWER CYLINDER, ISO FIT, 15MM STROKE WITH SENSORS

　　DESTACO WK400-120-6-A POWER CYLINDERS - PISTON ROD ISO FIT, W/ SENSORS

　　DESTACO WK400-120-6-1 POWER CYLINDERS - PISTON ROD WITH ISO FIT

　　DESTACO T614-2 LARGE BUTTRESS STYLE CARVER CLAMPS, 17600 LBS CAPACITY

　　DESTACO T602-18 CARVER CLAMPS- T-SLOT STYLE, HOLDING CAPACITY 5500 LBS

　　DESTACO T600-8 CARVER CLAMPS - T-SLOT STYLE, HOLDING CAPACITY 3500 LBS

　　DESTACO T402-18 CARVER CLAMPS- T-SLOT STYLE, HOLDING CAPACITY 8000 LBS

　　DESTACO T402-12 CARVER CLAMPS- T-SLOT STYLE, HOLDING CAPACITY 8000 LBS

　　DESTACO T400-4 CARVER CLAMPS -T-SLOT STYLE, HOLDING CAPACITY 5000 LBS.

　　DESTACO T321-36 CARVER CLAMPS -- BAR-STYLE, HOLDING CAPACITY 1250 LBS

　　DESTACO T321-24 CARVER CLAMPS -- BAR-STYLE, HOLDING CAPACITY 1250 LBS.

　　DESTACO T321-10 CARVER CLAMPS -- C-STYLE, HOLDING CAPACITY 1500 LBS.

　　DESTACO T290-9 CARVER CLAMPS -- C-STYLE, HOLDING CAPACITY 4000 LBS.

　　DESTACO T285-18 CARVER CLAMPS -- C-STYLE, HOLDING CAPACITY 2000 LBS.

　　DESTACO T186-6 CARVER CLAMPS -- C-STYLE, HOLDING CAPACITY 2500 LBS.

　　DESTACO T186-12 CARVER CLAMPS -- C-STYLE, HOLDING CAPACITY 2500 LBS.

　　DESTACO K400-70-6-K POWER CYLINDERS, MALE THRD, W/ T-SLOT SENSOR MOUNT

　　DESTACO K400-70-6-A POWER CYLINDERS MALE THREAD 70MM STROKE W/ SENSORS

　　DESTACO K400-70-6-1 PNEUMATIC POWER CYLINDERS, MALE THRD, 70MM STROKE

　　DESTACO K400-50-6-K PNEUMATIC POWER CYLINDERS W/ T-SLOT SENSOR MOUNT

　　DESTACO K400-50-6-A PNEUMATIC POWER CYLINDERS, MALE THRD, WITH SENSORS

　　DESTACO K400-50-6-1 PNEUMATIC POWER CYLINDERS, MALE THRD, 50MM STROKE

　　DESTACO K400-30-6-K POWER CYLINDERS, MALE THRD, W/ T-SLOT SENSOR MOUNT

　　DESTACO K400-30-6-A POWER CYLINDERS, MALE THRD, 30MM STROKE W/ SENSORS

　　DESTACO K400-30-6-1 POWER CYLINDERS, MALE THREAD, 30MM FORWARD STROKE

　　DESTACO K400-200-6-1 POWER CYLINDER, MALE THREAD, 200MM FOWARD STROKE

　　DESTACO K400-15-6-K POWER CYLINDERS, MALE THREAD, T-SLOT SENSOR MOUNT

　　DESTACO K400-15-6-A PNEUMATIC POWER CYLINDERS, MALE THREAD, W/ SENSORS

　　DESTACO K400-15-6-1 PNEUMATIC POWER CYLINDERS, MALE THREAD 15MM STROKE

　　DESTACO K400-120-6-A PNEUMATIC POWER CYLINDERS, MALE THREAD W/ SENSORS

　　DESTACO K400-120-6-1 PNEUMATIC POWER CYLINDER, MALE THRD, K-4KN-120MM

　　DESTACO G-121/45 VARI. STROKE STRAIGHT-LINE CLAMPS, THRU-HOLE MOUNT

　　DESTACO G-082/40 VARI. STROKE STRAIGHT-LINE ACTION CLAMPS, THRU-HOLE

　　DESTACO FO-161/60 VARI. STROKE STRAIGHT-LINE PLUNGER CLAMPS, FOOT MT.

　　DESTACO FO-160/-- VARIABLE STROKE STRAIGHTLINE ACTION CLAMPS, FOOT MNT

　　DESTACO FO-122/45 STRAIGHT-LINE ACTION CLAMPS, FOOT MOUNT, PLUNGER

　　DESTACO 861 POWER CLAMPS HEAVY DESIGN, 90?° HORIZONTAL CLAMPING ARM

　　DESTACO 285-2 CARVER CLAMP JAWS, MEDIUM DUTY

　　DESTACO FO-121/45 STRAIGHT-LINE ACTION CLAMPS, PLUNGER, FOOT MOUNT

　　DESTACO FO-120/-- VARIABLE STROKE STRAIGHTLINE ACTION CLAMPS FOOT MNT.

　　DESTACO FL-161/60 STRAIGHT-LINE ACTION CLAMPS FLANGE MT, 2000 LBS CAP.

　　DESTACO FL-160/-- VARIABLE STROKE STRAIGHT-LINE ACTION CLAMPS FLANGED

　　DESTACO FL-121/45 STRAIGHT-LINE ACTION CLAMPS FLANGE MOUNT 600LBS CAP.

　　DESTACO 9540R R.H. PNEUMATIC SWING CLAMPS, 40MM, LESS ARM, 1/8 NPT

　　DESTACO 9540L L.H. PNEUMATIC SWING CLAMPS, 40MM, LESS ARM, 1/8 NPT

　　DESTACO 9540GR R.H. PNEUMATIC SWING CLAMPS, 40MM, LESS ARM, W/ G-PORTS

　　DESTACO 9540GL L.H. PNEUMATIC SWING CLAMPS, 40MM, LESS ARM, W/ G-PORTS

　　DESTACO 954053 LONG CLAMP ARM FOR 9530/9540 SERIES PNEUMATIC CLAMPS

　　DESTACO 954050 STANDARD CLAMP ARM FOR 9530/9540 SERIES PNEUMATIC CLAMP

　　DESTACO 8JG-217-1 PNEUMATIC SWING CLAMP STANDARD CLAMPING ARM FOR 89R3

　　DESTACO 8JG-215-1 PNEUMATIC SWING CLAMP STANDARD CLAMP ARM FOR 89R20

　　DESTACO 89R63-025-2

　　DESTACO 89R50-025-2 89R SERIES PNEUMATIC SWING CLAMPS, LESS ARM, 50MM

　　DESTACO 89R40-025-2 PNEUAMTIC SWING CLAMPS, LESS ARM, 40MM

　　DESTACO 89R40-010-2 PNEUMATIC SWING CLAMPS, LESS ARM, 40MM

　　DESTACO 89R32-010-2 PNEUMATIC SWING CLAMPS, LESS ARM, 32MM

　　DESTACO 89R20-010-2 PNEUMATIC SWING CLAMPS, LESS ARM, 20MM

　　DESTACO 891 HEAVY DUTY POWER CLAMPS, 90?° ARM IN HORIZONTAL POSITION

　　DESTACO 890 HEAVY DUTY POWER CLAMPS, 180?o ARM IN VERTICAL POSITION

　　DESTACO 871-2 HEAVY DUTY PNEUMATIC CLAMPS W/ ROLLER & CAM PRINCIPLE

　　DESTACO 870-2 HEAVY DUTY PNEUMATIC CLAMP W/ ROLLER & CAM PRINCIPLE

　　DESTACO 868 PNEUMATIC HOLD DOWN CLAMP, CYL. VERICAL, SOLID BAR

　　DESTACO 864-R HEAVY DUTY POWER CLAMPS, 180?° ARM OFFSET TO RIGHT SIDE

　　DESTACO 684-L HEAVY DUTY POWER CLAMPS, 180?° ARM OFFSET TO LEFT SIDE

　　DESTACO 864-D HEAVTY DUTY POWER CLAMPS, 180?o ARMS OFFSET ON BOTH SIDES

　　DESTACO 863-R HEAVY DUTY POWER CLAMP, 90?o ARM OFFSET TO RIGHT SIDE

　　DESTACO 863-L HEAVY DUTY POWER CLAMP, 90?° ARM OFFSET TO LEFT SIDE

　　DESTACO 863-D HEAVY DUTY POWER DUAL CLAMP, ARM OFFSET ON BOTH SIDES

　　DESTACO 860 POWER CLAMPS HEAVY DESIGN, 180?° VERTICAL CLAMPING ARM

　　DESTACO 858 PNEUMATIC HOLD DOWN CLAMPS, SOLID BAR, 4000 LBS CAPACITY

　　DESTACO 850 PNEUMATIC STRAIGHT LINE ACTION CLAMPS, 16000 LBS CAPACITY

　　DESTACO 847-U PNEUMATIC HOLDDOWN ACTION CLAMPS, CYL. HORIZONTAL, U-BAR

　　DESTACO 847-S PNEUMATIC HOLD-DOWN CLAMPS, CYL. HORIZONTAL, SOLID BAR

　　DESTACO 846 PNEUMATCI HOLD DOWN CLAMPS, SOLID BAR, CYL HORIZONTAL

　　DESTACO 841550 PNEUMATIC SWING CLAMP MOUNTING BLOCK FOR 8400 SERIES

　　DESTACO 841512 PNEUMATIC SWING CLAMP ARM

　　DESTACO 8416-LA LESS ARM L.H. PNEUMATIC SWING CYLINDER CLAMPS

　　DESTACO 8416 L.H. PNEUMATIC SWING CYLINDER CLAMPS, 8400 SERIES

　　DESTACO 8415-LA LESS ARM R.H. PNEUMATIC SWING CYLINDER CLAMPS

　　DESTACO 8415 R.H. PNEUMATIC SWING CYLINDER CLAMPS, 8400 SERIES

　　DESTACO 840 POWER TONGUE-MOUNT CLAMPS, 180?° ARM, 3/8 NPT PORT

　　DESTACO 8316-LA LESS ARM L.H. PNEUMATIC SWING CLAMPS, 8300 SERIES

　　DESTACO 8316 L.H. PNEUMATIC SWING CLAMPS, 8300 SERIES

　　DESTACO 8315-LA LESS ARM R.H. PNEUMATIC SWING CLAMPS, 8300 SERIES

　　DESTACO 8315 R.H. PNEUMATIC SWING CLAMPS 8300 SERIES,?

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