Fairbanks X SERIES PR 5410 Process Indicator - Manual (Page 134)

Section 7: Fieldbus Interface
10/08 134 51207 Revision 1
7.2.4 Example: Reading the Gross Weight
The master writes value 8 in
Read_Value_Select (byte 4) of the input area.
Input area
Byte Value Description
0
1
2
3
4 8 Gross
5
6
7
The master waits, until value 8 was reflected in
Read_Value_Selected (byte 4) of the output area.
Output area
Byte Value Description
0 00 Gross value
1 00 "
2 4 "
3 D2 "
4 8 Gross weight
request was
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 3 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 two’s complement.