像西門子(zi)系(xi)統(tong)(tong)(tong)或發那科(ke)系(xi)統(tong)(tong)(tong)、馬扎克系(xi)統(tong)(tong)(tong)，編(bian)制(zhi)程(cheng)序(xu)時(shi)(shi)，時(shi)(shi)常會使用一下變(bian)(bian)(bian)(bian)量(liang)(liang)，變(bian)(bian)(bian)(bian)量(liang)(liang)有全局(ju)變(bian)(bian)(bian)(bian)量(liang)(liang)、局(ju)部變(bian)(bian)(bian)(bian)量(liang)(liang)、通(tong)道(dao)變(bian)(bian)(bian)(bian)量(liang)(liang)、程(cheng)序(xu)變(bian)(bian)(bian)(bian)量(liang)(liang)、系(xi)統(tong)(tong)(tong)變(bian)(bian)(bian)(bian)量(liang)(liang)等，其(qi)中(zhong)全局(ju)變(bian)(bian)(bian)(bian)量(liang)(liang)為(wei)子(zi)程(cheng)序(xu)編(bian)制(zhi)，設備(bei)開關機均存在，系(xi)統(tong)(tong)(tong)變(bian)(bian)(bian)(bian)量(liang)(liang)為(wei)設備(bei)出廠(chang)時(shi)(shi)固有的(de)(de)變(bian)(bian)(bian)(bian)量(liang)(liang)，也(ye)是不(bu)變(bian)(bian)(bian)(bian)的(de)(de)，在程(cheng)序(xu)編(bian)制(zhi)的(de)(de)時(shi)(shi)候(hou)可以使用此類(lei)變(bian)(bian)(bian)(bian)量(liang)(liang)讀取設備(bei)PLC內的(de)(de)數據，用于程(cheng)序(xu)中(zhong)參數的(de)(de)判斷等，下面分享一下我曾經(jing)經(jing)常用到的(de)(de)發那科(ke)系(xi)統(tong)(tong)(tong)的(de)(de)系(xi)統(tong)(tong)(tong)變(bian)(bian)(bian)(bian)量(liang)(liang)：

1. #3000 報警變量

例(li)： N65 #3000=1(G55 Z CHAO XIAN) 括號內是設備顯示的信息

2. #5221 G54 坐(zuo)標的X坐(zuo)標值

3. #5222 G54 坐(zuo)標的Y坐(zuo)標值

4. #5223 G54 坐標(biao)的Z坐標(biao)值

5. #5241 G55 坐標的X坐標值(zhi)

6. #5242 G55 坐(zuo)標的Y坐(zuo)標值

7. #5243 G55 坐標的(de)Z坐標值 以(yi)此類推……

8. #2001 和 #2201 分別為(wei)當前刀具的刀長和刀補

9. #4111 當(dang)前刀具H代碼(ma)

10. #4120 當前主軸刀具的T代碼

11. #3101 圓周(zhou)率π

12. #4000 主程序號

13. #參(can)數，功用同(tong)西門子(zi)R參(can)數，#1、#2、#3…… 其(qi)中，變量(liang)#500-#999的數據保存，即使斷電也不丟失