Rice Lake PR5220 Ethernet Transmitter - Manual (Page 139)

PR 5220 Instrument Manual Fieldbus Interface
Sartorius EN-139
Control Byte
Some instrument functions can be executed by setting bits in the input area directly.
Action of the master Response of PR 5220
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
page 138 and 139).
Action of the master Response of PR 5220
Setting bits as in Chapters page 138 and 139.
Acknowledging the set bit as on page 138
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 page 138)
This is applicable to taring, zero setting etc. over the fieldbus.