1391B-AA22
1391B-AA22

 PLC的编程语言与一般计算机语言相比具有明显的特点，它既不同于一般高级语言，也不同于一般汇编语言，它既要易于编写又要易于调试。目前，还没有一种对各厂家产品都能兼容的编程语言。 

    目前，PLC为用户提供了多种编程语言，以适应编制用户程序的需要，PLC提供的编程语言通常有以下几种：梯形图、指令表、顺序功能图和功能块图 

    1、梯形图 

    梯形图编程语言是从继电器控制系统原理图的基础上演变而来的。PLC的梯形图与继电器控制系统梯形图的基本思想是*的，但是在使用符号和表达式等方面有一定区别。

现货，现货，降降降，火火火，火火火……

现货，现货，降降降，火火火，火火火……

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ELECTRO-MATIC AD700DC8 ELECTRO MATIC POWER SUPPLY WATER

 SIEMENS 6EP1437-3BA10 SITOP PSU300M POWER SUPPLY 50/60H

ALLEN BRADLEY 440R-ZBR520AZ1 SERIES A SAFETY RELAY

STI 70027-1000 LCC-FB-AC1-U SAFETY CONTROLLER 115VAC IN

BANNER MUSC-1T3-02637

ALLEN BRADLEY 1756-PA75/A POWER SUPPLY SERIES A CAT REV

HOFFMAN A20SA2210LP DISCONNECT ENCLOSURE WITH HOFFMAN P

FAFNIR 2MM209WICRDUL SUPER PRECISION BALL BEARING 45MM 

RHP 7305CTSULP4 PRECISION BALL BEARING 25MM I.D. 62MM O

PARKER EPP3JC41U91310 EPP3 SERIES ELECTRO-PNEUMATIC REG

HOFFMAN A483608LP SF PNLS HC 48" X 36" X 08" ENCLOSURE 

DESTACO 994PMKAR-021-90A-97-44 W/ARMS 80G1021-1 PNEUMAT

FORMSPAG RW20200 LINEAR BEARING*

BANNER MSE2024Y LIGHT CURTAIN 508mm DEFINED AREA 9M RAN

SMC CKZT40-135-DCK3136K

CAREL TECHNOLOGY PCO1002CS0

METROL HA40400

DESTACO 82M-8DR50C83-2589A W/SINGLE ARM 8JG-3258-1 82M 

PARKER 510000114

FAFNIR 2MM209WICRDUL SUPER PRECISION BALL BEARING 45MM 

FAFNIR 2MM9118WICRDUL

ALLEN BRADLEY 1756-IF4FX0F2F SERIES A FAST ANALOG COMBO

SAET SCHEMLL0590126 ELECTRONIC CARD TRIMMER*

RHP 7305CTSULP4 PRECISION BALL BEARING 25MM I.D. 62MM O

ALLEN BRADLEY 160-AA08NSF1 SERIES B DRIVE 2HP 200-240 V

TREGASKISS LN5407-35 TOUGH GUN MIG WELDING TORCH GUN FO

BANNER MM-TA-12B MUTING MODULE MANUAL / AUTO RESET 1 WA

NSK W2504G-105PYK1-C3 LINEAR TRAVEL BALL SCREW 00SY-002

MITSUBISHI FR-BR-H15K BRAKE RESISTOR UNIT 460V 990W 15K

PILZ 772000 CONTROLLER SAFETY RELAY MINI MULTI PNOZ 24V

SIEB & MEYER K-258939 SPINDLE BOARD 43.20.001.1*

SIEMENS 6GT2091-1CN50 WITH 6GT2090-0BC00 CORD SET 5P FE

NUMATICS T4AM-12A2E-CYA2 AIR CYLINDER 2 1/2" BORE 12" S

BRAD HARRISON 1300640260 CORD SET 

PARTLOW 113 51 05 20 TEMPERATURE SENSING ELEMENT WITH P

HYTEC 100129

APISTE ENH-105L-100 HEAT EXCHANGER 100VAC SINGLE PH

ALLEN BRADLEY 1326-CPB1T-015