hi all
I know plc 5 inherited octal system from plc 2. But why was octal addressing used in the first place? why not decimal or hexadecimal? plc-5 internally only understands binary and other codes are for us humans…
Does anybody know internals of plc 5- is it 8 bit on 8 bit bus but addressing 16 bit memory space - is it right? does anybody know of doc showing internals of this impressive plc?what makes it so robust? i know s7 only and learning allen bradleys using plc 5 - i know its old but then i will move to slc and logix Any comments welcome
I know plc 5 inherited octal system from plc 2. But why was octal addressing used in the first place? why not decimal or hexadecimal? plc-5 internally only understands binary and other codes are for us humans…
Does anybody know internals of plc 5- is it 8 bit on 8 bit bus but addressing 16 bit memory space - is it right? does anybody know of doc showing internals of this impressive plc?what makes it so robust? i know s7 only and learning allen bradleys using plc 5 - i know its old but then i will move to slc and logix Any comments welcome