Read window (MISO)
Byte Field Description
0 Read data (MSB)
1 Read data
2 Read data
3 Read data (LSB)
Contains the data to be read,
e.g. gross value.
4 Read_Value_Selected Read_Value_Select (function)
from the write window is mirro-
red if the data in "Read data" is
available.
5 Write
Active
Power
Fail
free free free free free free
6 Cmd
Busy
Cmd
Error
free free free Tare
Active
Cal
Chan-
ged
Test
Active
7 OutOf
Range
Stand-
still
Inside
ZSR
Center
Zero
Below
Zero
Over-
load
Above
Max
ADU
Error
In direct access, status bits are
independent of the write or read
request.
"Free" bits are application speci-
fic.
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Field Size Function
Read data 4 bytes Data to be read as a binary 32-bit value with plus or
minus sign.
Data type: DINT
Read_Value_Selected 1 byte Acknowledgment of the transmitted function number.
WriteActive 1 bit The function selected with Write_Value_Select has
been executed once.
This bit is deleted if Write_Value_Select is set to 0.
PowerFail 1 bit Is set when switching on the device.
Is reset by ResPower with transition from 0→1.
CmdBusy 1 bit The device is busy executing a function (e.g., waiting
for a standstill for taring)
CmdError 1 bit The device has interrupted the execution of a com-
mand (e.g., standstill could not be reached within the
defined standstill time).
The error number can be read from "LASTERROR", see
Chapter
12.2.5.5.
Tare_Active 1 bit The scale has been tared.
Cal_Changed 1 bit The device has been calibrated.
When this bit is 1, the weighing point parameters (EX-
PO/UNIT/STEP+FSD) must be read again.
Set after "Power on" and reset after reading the FSD.
X3 Process Indicator PR 5410 12 Fieldbus interface
EN-316 Minebea Intec