Fairbanks X SERIES PR 5410 Process Indicator User Manual
Page 133
Section 7: Fieldbus Interface
10/08 133
51207 Revision 1
Control Byte
Some instrument functions can be executed by setting bits in the input area directly.
Action of the master
Response of PR 5410
Setting bits in the control byte
The operation is handled
Resetting bits in the control byte
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 Chapter 0 and Chapter 0).
Action of the master
Response of PR 5410
Setting bits as in Chapters 0 or 0
Acknowledging the set bit as in Chapter 0
Setting the
CmdBusy bit
The operation is handled
In the event of an error: Setting the
CmdError
bit and the
LastError
byte
Resetting the CmdBusy bit
Waiting, until
CmdBusy
was reset
Checking the
CmdError bit
When set, reading
LastError
(see Chapter
0)
This is applicable to taring, zero setting etc. over the fieldbus.