ATV
ATV
ATV instruction switches over Active mode and Backup(Standby) mode between Primary and Secondary CPU in the redundancy.
Instruction | Device address | No. of Steps | Flag | |||||||||||||||
M | X | Y | K | L | F | T | C | S | Z | D | @D | Int. | Error | Zero | Carry | |||
ATV | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - |
Error)
If the Standby CPU is not ok, Error Flag (F0110) will be set.
Example)
If X0010 is ON, the ATV instruction switches over CPU mode (Active to Standby or Standby to Active) in the redundancy.