Description
状态继电器是PLC在步进顺控系统实现控制的重要内部元件。它与步进顺控指令STL组合使用,运用状态转移图,编制高效易懂的程序。状态继电器一般分为四类,其编号及点数如下:
初始状态:S0∽S9(10点);
回零:S10∽S19(10点);
通用:S20∽S499(480点);
保持:S500∽S899(400点);
报警:S900∽S999(100点)
Giddings & Lewis Control Operating Manual for Gemini-D
Giddings&Lewis Control Mainten. Manual MM200/600, MM800
GIDDINGS & LEWIS 502-02825-00 TRIAC MOTHERBOARD NEW NIP
Giddings & Lewis Control Board 58002986 NIB
EK-965 GIDDINGS & LEWIS M221L SHEFFIELD MEASURMENT LOT
EK-153 GIDDINGS & LEWIS SHEFFIELD MEASUREMENT LOT OF 2
GIDDINGS & LEWIS OUTPUT 24VDC SOURCE 503-25908-01 R1
GIDDINGS & LEWIS 502-02824-00 PC BOARD/1 YEAR WARRANTY