描述
80年代以后,PLC除逻辑运算外,控制回路用的算法功能已经大大加强,但plc用梯形图编程,模拟量的运算在编程时不太直观,编程比较麻烦。但在解算逻辑方面,表现出快速的优点,在微秒量级,解算1k逻辑程序不到1毫秒。它把所有的输入都当成开关量来处理,16位(也有32位的)为一个模拟量。
(3) Giddings & Lewis Right Angle Head Extensions
GIDDINGS & LEWIS M.1015.8038 NSPP M10158038
GIDDINGS & LEWIS M.1301.4108 NSFP M13014108
GIDDINGS & LEWIS M.1015.6955 USPP M10156955
Giddings and Lewis 502-03061-02 Processor Module
Giddings and Lewis 502-03061-01 Processor Module
Giddings and Lewis 502-03061-51 Processor Module
NEW Giddings & Lewis NSM3412 M.1015.6955 Servo Motor
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Giddings and Lewis 502-02721-50 ALU Board