描述
在PLC控制系统中,需要显示的内容主要有计时器值、计数器值和数据寄存器值,数据显示方法可归纳为两种基本类型:一类为基于PLC数据通信接口,如RS-232,RS-485/422,显示装置也具有此类接口,通过数据通信方式实现数据显示。利用数据通信接口进行数据传送和显示,是实现PLC数据显示的有效途径。目前主流PLC均提供标准的RS-232或RS一485/422接口,或者通过模块扩展增加此类接口。
Allen Bradley 1745 – E151
ALLEN BRADLEY 1745-PT1 PROGRAMMER *NICE*
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Allen Bradley PLC Expansion Unit SLC100 I/O 1745E101
Allen Bradley I/O Module Fixed Hardware Style 1745LP101
Allen Bradley Processor Unit SLC150 1745-LP151 w/ M1 *
Allen Bradley 1745-PT1 / A Programmer w/ 1745-C1 Cable
Allen bradley SLC 150 Processor Unit 1745-LP 154 (4436)
ALLEN BRADLEY SLC 100 PROCESSOR UNIT 1745-LP101 SER D
Allen Bradley 1745-E151 Expansion Module
Allen Bradley Programming Terminal 1745-PT1 (3648)
Allen-Bradley SLC Programmer 1745-PT1
ALLEN BRADLEY 1745-E154 SLC 150 PROCESSOR UNIT
ALLEN BRADLEY 1745-E103 USPP 1745E103
ALLEN BRADLEY 1745-LP101 USPP 1745LP101
Allen Bradley SLC 100 Processor 1745-LP101, #6832
New in Box 1745-E153/A Allen Bradley SLC 150 1745E153
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