Whenever it is found that master PLC is fail due to any reason
slave PLC becomes master and starts controlling in zero milli seconds
(Bump less) without stopping or disturbing your plant or process
and the failed PLC become slave which you can change or repair
the cards online.
Redundancy forCPU
Redundancy for Power Management System - PMS supply
Power Factor Relay
Redundancy for Man Machine Interface (
MMI / HMI )
