Hi AB experts
I wont to retrofit existing AB PLC 5/30 with new redundant system and this is my first time to work with Allen Bradley PLC .
Existing PLC configuration : Local chassis (1771-A4B) to include set of digital and analog I/O modules and CPU PLC 5/30 with two DH links one link for work stations and other link for five Remote I/O chassis which includes I/O link module (1771-ASB) and Digital I/O modules .
1-Please would you advise me which model of PLC Redundant CPU would replace the PLC 5 /30 with minimum changes of I/O address arrangements , programs and function blocks .
2-How to replace and convert The PLC 5/30 CPU to new hot Stand by system .
3-What is the minimum requirement of hardware , software and communication cable for the above application .
I wont to retrofit existing AB PLC 5/30 with new redundant system and this is my first time to work with Allen Bradley PLC .
Existing PLC configuration : Local chassis (1771-A4B) to include set of digital and analog I/O modules and CPU PLC 5/30 with two DH links one link for work stations and other link for five Remote I/O chassis which includes I/O link module (1771-ASB) and Digital I/O modules .
1-Please would you advise me which model of PLC Redundant CPU would replace the PLC 5 /30 with minimum changes of I/O address arrangements , programs and function blocks .
2-How to replace and convert The PLC 5/30 CPU to new hot Stand by system .
3-What is the minimum requirement of hardware , software and communication cable for the above application .