描述
在PLC系统结构不断发展的同时，PLC的编程语言也越来越丰富，功能也不断提高。除了大多数PLC使用的梯形图语言外，为了适应各种控制要求，出现了面向顺序控制的步进编程语言、面向过程控制的流程图语言、与计算机兼容的高级语言（BASIC、C语言等）等。多种编程语言的并存、互补与发展是PLC进步的一种趋势。
SYMBOL MOTOROLA LS3578-FZBU0100IR LS3578-FZ,cradle, 7′
Symbol Motorola MC5590 1D Scan Numeric Key w/ cradle
MC55 – New – MC5590-PY0DKRQA7WR
Enlarge
Motorola DS6878-TRBR0100AWR -Motorola Symbol DS6878-SR
Includes 2 Year Replacement Warranty
Motorola LS3578-FZBU0100IR -Motorola Symbol LS3578-FZ
Includes 2 Year Replacement Warranty
Symbol / Motorola MC7090 2D MC 7090 w/ cradle, batt !!
with cradle, battery and warranty
Symbol Motorola MC7090 2D Scan AlphaNumeric Key
– MC70 – MC7090-PK0DJQFA7WR
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Motorola DS6878-TRBU0100ZWR -Motorola Symbol DS6878-SR
Includes 2 Year Replacement Warranty
