on or select
the menu command
View > Accumulators to create
a view object that allows you to monitor the following
allows you to access the contents of the CPU accumulators. The view
object displays four accumulator fields to accommodate the S7-400
CPU; programs for the S7-300 CPU use only two accumulators.
word: allows you to access the bits of the status word.
registers: allows you to access the contents of the two address
registers (AR1 and AR2). These address registers are used for
indirect addressing of variables.
"ACCUs & Status Word"