| 摘要 |
The accessed address and control data when a CPU (11) of a control data memory (12) of a control system controller (2) performs a program calculation are transmitted to a standby system controller (3), and in the standby system controller (3), before the CPU (21) of the standby system controller (3) performs a program calculation the control data transmitted from the control system controller (2) is deployed to the address in a control data memory (22) transmitted from the control system controller (2), thereby ensuring that the control data in the control system controller (2) and the standby system controller (3) have the same value, and efficiently transmitting the control data from the control system controller (2) to the standby system controller (3), and improving the calculation processing performance of this duplexing process control device (1). |
