发布于 2013-01-08 10:39:55
4楼
实验有两套PLC,CPU414-2 DP和CPU315-2 DP,得到实验结果是这样的:
1、通过 PG的 step7变量表在线修改MW10的值为1,无论是300还是400,M100.1始终为0;
2、两套CPU的Scan Cycle Time不同,
CPU414-2 DP Scan Cycle Times Measured
shortest:2017
current/Last:2019
Longest:2051
CPU315-2 DP Scan Cycle Times Measured
shortest:2004
current/Last:2104
Longest:3654