Action of the master Reaction of the PR 5220
Set the Write_Active bit.
Wait until Write_Active has been set.
Write 0 to Write_Value_Select.
Reset the Write_Active bit.
Set the bit: Action_Select, Write_Active
Single bits can be set or reset directly with Write_Value_Select.
For setting, the bit number (80127) is written to Write_Value_Select.
For reset, the bit number + 128 (208255) is written to Write_Value_Select.
Action of the master Reaction of the PR 5220
Write register number to
Write_Value_Select.
Write Write_Value to the selected re-
gister.
Write Write_Value to the selected re-
gister.
Set the Write_Active bit.
Wait until Write_Active has been set.
Write 0 to Write_Value_Select.
Reset the Write_Active bit.
12.2.4.4 Reading bit
Single bits can be read only by reading a register. The procedure is described in
Chapter 12.2.4.3.
12.2.4.5 Control byte
Some device functions can be executed by setting bits in the input area directly.
Action of the master Reaction of the PR 5220
Set bits in the Control byte.
The operation is processed.
Reset bits in the Control byte. Copy Read_Value_Select to
Read_Value_Selected.
12.2.4.6 Waiting for the result of the action
When an action taking a longer time was started, the end of execution can be waited for
after starting (see Chapters 12.2.4.3 and 12.2.4.5).
Action of the master Reaction of the PR 5220
For setting bits, see Chapters 12.2.4.3
and 12.2.4.5.
12 Fieldbus interface Transmitter Series PR 5220
EN-195 Minebea Intec
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