| 摘要 |
PROBLEM TO BE SOLVED: To provide a program controller capable of accurately calculating an effective value of an AC signal without increasing the load of a CPU module.SOLUTION: In a program controller including an analog input module 1 and a CPU module 2, the analog input module and CPU module are constituted so as to share data for calculating an effective value; and in sharing the data, the analog input module passes a product sum calculation result and the number of product data items as a set to the CPU module. |
