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5.9. BSI Data Structure (for FAD-40 and FAD-40MB only)
Depending on their functionality all new generation Flintec instruments launched on the market support the
standardized command set with BSI data structure. This easy data format gives a reliable and fast interface for
communicating with PLC or PC for process control or transactional applications. You can expand your system
with additional scales from Flintec without having to change your application program base.
General Rules:
1.
2.
3.
4.
Commands are only in CAPITAL letters
CHK (2 ASCII char) can be enabled or disabled from both command and response.
Weight data is 8-byte with dot and non-significant zeros on the left.
Address (2 ASCII char) will be located in the structure if not 00.
Command format:
A general description of the command is the following:
[ADR][COMMAND][CHK][CR][LF]
Response format with weight / force or count data
A general description of the response is the following:
[ADR][COMMAND][STATUS][SIGN][WEIGHT/FORCE/COUNT][CHK][CR][LF]
Response format without weight / force or count data
[ADR][COMMAND][STATUS][CHK][CR][LF]
Command Table:
A
B
C
D
I
P
Q
R
S
T
U
V
W
X
Z
Read all weight data immediately
Read Gross weight value immediately
Clear the tare memory
Read Count value immediately
Read current (indicated) weight value immediately
Print: Read the current stable weight value
Load Setpoints
Read Setpoints
Read Status
Tare
Read digital inputs
Read digital outputs
Set/reset digital outputs
Read current weight value in increased resolution immediately
Zero
Status Table:
A
D
E
H
I
L
N
O
S
X
+
−
Acknowledged, the command is operated successfully
Unstable weight
Errors except of H, L, O, +, −
High voltage detected
The weight is in range
Low voltage detected
Not acknowledged, the command couldn‟t be operated
ADC out
Stable weight
Syntax error (received command not recognized)
Overload
Underload
Note: CHK, CR and LF will not be shown in the below data format descriptions in this chapter.
FAD-40 Technical Manual, Rev. 1.06 December 2012
Page 21 of 52