Action of the master
Reaction of the PR 5230
If set, read
LastError
.
This is applicable to taring, zero setting etc. over the fieldbus.
Example: Reading the gross weight
The master writes value 8 in
Read_Value_Select
(byte 4) of the input area.
Input section
Byte
Name
Description
0
1
2
3
4
8
Gross
5
6
7
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
The master waits until value 8 is reflected in
Read_Value_Selected
(byte 4) of the output
area.
Output area
Byte
Name
Description
0
00
Gross value
1
00
Gross value
2
4
Gross value
3
D2
Gross value
4
8
Gross weight request detected
5
Status
6
Test
Active
Command status
7
Stand-
still
Inside
ZSR
Center
Zero
Below
Zero
Over-
load
Above
Max
ADC
error
Device status
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
The gross value (hex:000004D2 <=> 1234) can be read from bytes 0
3.
When the "Overload", "Test Active" or "ADC error" bits are set, the read value is invalid.
Negative values are output in the second complement.
12 Fieldbus interface
Transmitter in field housing PR 5230
EN-263
Minebea Intec
