Minebea Intec PR 5310 - Page 149

9. Fieldbus interface | 9.2 - Scale protocol | 149
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
written, e.g. gross value.
4 Read_Value_Selected Read_Value_Select (func
tion) from the write win
dow is mirrored if the data
in "Read data" is available.
5 Write
Active
Power
Fail
Out 3 Out 2 Out 1 Limit
3
Limit
2
Limit
1
6 Cmd
Busy
Cmd
Error
Inp 3 Inp 2 Inp 1 Tare
Ac
tive
Cal
Chan
ged
Test
Ac
tive
7 OutOf
Range
Stand
still
In
side
ZSR
Cen
ter
Zero
Be
low
Zero
Over
load
Above
Max
ADC
Error
In direct access, status bits
are independent of the
write or read request.
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)