User program Memory Ladder (L) memory stores RLL program Special (S) memory stores loops, analogalarms, SF programs User (U) memory stores user-definedsubroutines
User program Memory Ladder (L) memory stores RLL program Special (S) memory stores loops, analog alarms, SF programs User (U) memory stores user-defined subroutines
Data Area Memory Variable (V) memory stores variabledata Constant (K) memory stores constantdata Global (G) and VME memory is used forVME data transfers
Data Area Memory Variable (V) memory stores variable data Constant (K) memory stores constant data Global (G) and VME memory is used for VME data transfers
System Memory RLL instruction tables: drum,timer/counter, shift register, etc. Image registers and control relays Subroutine parameter areas Special Function Program temporarymemoryStatus Word memory拉
System Memory RLL instruction tables: drum, timer/counter, shift register, etc. Image registers and control relays Subroutine parameter areas Special Function Program temporary memory Status Word memory