描述
这里的D，小型机多为8位二进制数，中、大型多为12位二进制数。A/D、D/A有单路，也有多路。多路占的输入输出继电器多。有了A/D、D/A单元，余下的处理都是数字量，这对有信息处理能力的PLC并不难。中、大型PLC处理能力更强，不仅可进行数字的加、减、乘、除，还可开方，插值，还可进行浮点运算。有的还有PID指令，可对偏差制量进行比例、微分、积分运算，进而产生相应的输出。
Complete kit includes battery, stylus, cables & charger
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SYMBOL MOTOROLA MT2090 SCANNER KIT-KT-2090-SL2000C1WW
BLUETOOTH- WIFI- WINDOWS CE 5.0
Symbol MC70 PDA Motorola Used Barcode Scanner
With Cradle and Acessories
Symbol Motorola MC7090-PK0DCQFA7WR TDX240
MOTOROLA SYMBOL MC-7095
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SYMBOL MOTOROLA AP-5131-13043-WWR AP-5131:DUAL RADIO WI
NEW Motorola Symbol LS3578-FZ Bar Code Reader
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NEW Motorola Symbol LS3578-FZ Handheld Bar Code Reader
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Motorola/symbol 2a Ap-5131-13043-wwr Ap5131 Dual Radio
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