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1756-L55M22

1756-L55M22

1756-L55M22

流程控制指令，用以控制程序運行流程。PLC的用戶程序一般是從零地址的指令開始執行，按順序推進。但遇到流程控制指令也可作相應改變。流程控制指令也較多，運用得好，可使程序簡練，并便于調試與閱讀。 

   狀態監控指令，用以監視及記錄PLC及其控制系統的工作狀態，對提高PLC控制系統的工作可靠性大有幫助。 

   當然，并不是所有的PLC都有上述那么多類的指令，也不是有的PLC僅有上述幾類指令。以上只是指出幾個例子，說明要從哪幾個方面了解PLC指令，從中也可大致看出指令的多少及功能將怎樣影響PLC的性能。 現貨，現貨，降降降，火火火，火火火……
現貨，現貨，降降降，火火火，火火火……
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ADVANTEST R3261A SPECTRUM ANALYZER 9 kHz to 2.6 GHz

HP 8643A 0.26-1030MHz SYNTHESIZED SIGNAL GENERATOR w/OP

LIGHTPOINTE FLIGHT STRATA LFSA-0155-4KS-M3S WIRELESS

SONY TEKTRONIX AFG2020 ARBITRARY FUNCTION GENERATOR
250MS/s synthesized FUNCTION GENERATOR WITH OPT 02

HP 8349B 2GHz-20GHz MICROWAVE AMPLIFIER NICE CONDITION

JDS FITEL SB SERIES FIBER OPTIC SWITCH100-240V 50/60MHz

Hewlett-Packard / Agilent E5272A FRAME WITH E5281A UNIT

ALCATEL ATH Turbomolecular Pump

Tektronix SJ300E Sonet SDH Jitter Wander Analyzer

Hewlett Packard E8403A 75000 C-SIZE VXI MAINFRAME

Hewlett Packard E8403A 75000 C-SIZE VXI MAINFRAME

ADVANTEST R3261A SPECTRUM ANALYZER 9kHz to 2.6GHz OPT15

HP 83430A LIGHTWAVE TRANSMITTER 1310.5nm W/ OPTION 130

HP 21242A 3.5/2.7MHz ULTRASOUND TRANSDUCER PROBE

HP 21200B 2.5MHz ULTRASONIC TRANSDUCER ULTRASOUND

HP 83430A LIGHTWAVE TRANSMITTER 1309.7nm W/ OPTION 130

AGILENT HP 85046B S-PARAMETER TEST SET 300KHZ-2GHZ

ROHDE & SCHWARZ SMX SIGNAL GENERATOR 100KHz - 1000MHz

STROMAG STROMATIC ADC 012.3 V DIGITAL SERVO CONTOLLER

HP S5010 21347A 3.7/5.0 MHz Phased Array Sector

ANRITSU MS2601K SPECTRUM ANALYZER 9KHz-2.2GHz

KEPCO BOIPOLAR OPERATIONAL POWER SUPPLY BOP 500M

PENTAX EC-3400F VIDEO COLONOSCOPE FLAXIBLE ENDSCOPE

AGILENT 86061C 2x8 LIGHTWAVE SWITCH,115/230V, 50/60MHz.

HP 70004A DISPLAY FRAME AND HP70311A CLOCK SOURCE

HP AGILENT E6392B GSM MOBILE MS TEST SET WITH OPT 002

OLYMPUS CV-200 ENDOSCOPY VIDEO PROCESSOR UNIT WITH WIRE

BALDOR AC SERVO DRIVER SBSC2035 IN 320VDC OUT 0-250VAC

PHILIPS 21245A 5.0/3.7MHz ULTRASOUND TRANSDUCER PROBE

HP 70001A 8 SLOT SYSTEM MAINFRAME CHASIS WITH 70311A

          TEKTRONIX TDS 520A TWO CHANNEL DIGITIZING 500MHz

OMRON CS1H-CPU66H PROGRAMMABLE CONTROLLER WITH MODULES

0.4X-2.5X KAPS BINOCULAR STEREOZOOM MICROSCOPE W/EYES.

Omron R88D-UA20HA AC Servo driver 200V 11.0A 750W

ET EURO TEST EHV10/SL HIGH VOLTAGE TESTER

CARL ZEISS Ni3 AUTO LEVEL SURVEY EQUIPMENTw/WOODEN CASE

OMRON CS1G-CPU42H PLC CPU W/ MC421-V1, SRM21-V1, PA204S

OMRON CS1G-CPU42H PLC CPU W/ MC421, SRM21-V1, PA204S

BALDOR AC SERVO DRIVER DBSC1110-GAAW 3PHASE AC230V

HP 8405A VECTOR VOLTMETER WITH PROBE

AGILENT HP 6621A SYSTEM DC POWER SUPPLY

LECROY 9310M DUAL 300MHz OSCILLOSCOPE

GOULD DIGITAL RECORDING OSCILLOSCOPE DRO 1624 W/ PRINTE

ZYGO INTERFEROMETER MICROSCOPE FOR PARTS