Rice Lake PR5230 Fieldbus Transmitter - Manual (Page 194)

Fieldbus Interface PR 5230 Instrument Manual
EN-194 Sartorius
Reading Bit
Single bits can be read only by reading a register. The procedure is described in page 193.
Control Byte
Some instrument functions can be executed by setting bits in the input area directly.
Action of the master Response of PR 5230
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 193 and 194).
Action of the master Response of PR 5230
Setting bits as on page 193 or 194
Acknowledging the set bit as on page 193
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 193)
This is applicable to taring, zero setting etc. over the fieldbus.