变量变量是已命名的存储数据值的存储空间。他代表了目标PACCPU内的存储位置。变量可以映射到变量地址(例如,%R00001)，如果没有将变量映射到变量地址，则将这个变量看作符号变量。编程软件将符号变量映射到PAC系统用户存储空间的某个部分。
Siemens Interface Module TIWAY 500-5053 #11241
Reliance Electric 45C15D Programmable Controller #8187
Marposs PC Board 6830153304, #11526
Weltronic TB96-PO2A Teach Pendant #13441
Weltronic TB91-P01A Teach Pendant #13442
Ge Fanuc Memory Module IC697MEM715 B #10594
HES Temperature Zone Module 216340 #14018
Unico 318804.000 Circuit Board PLC #13300
Unico PLC Board 309.057.1 9137 Circuit Board #13303
XYCOM 9987 OPERATOR WORK STATION #8132
Fanuc Circuit Board A16B-1210-0030/06F #34352
ABB PC Board DSPC153 57310256-BA/2 #10932
Yaskawa ServoPac SGDG-10GT Legend 10 #11237
TOEI H01199-3 Control Card F850705 #24967
Square D 8538-SBA23 Circuit Breaker 30 Amp #7629
STI Light Curtain Receiver MS46LR-20-610-Q1-R-NC #21421
Square D Disconnect Switch QMB364W #36564
Square D Circuit Breaker KAL362001616 #38776
Square D Disconnect Switch 9422 TF-1 #28530
Nordson Advanced Temperature Control 104075E #29131
