Sterling Scale 820 User Manual
Page 15
DW800/820 Operation Manual
08
+5VDC
+5 Volt DC power
09
GND
Digital ground
10
SHIELD
Shield
The RS-232 interface connector is P3 on the circuit board
COMMUNICATIONS
Page 12
Output Formats
The DW800/820 is capable of transmitting one of the following formats: Optional Printer
Output Format (See Printer Section), Computer Output Format, and Scoreboard Output
Format. A format may be transmitted either on demand or continuously (See Parameter
Setup). Motion is tested only when transmitting the Printer Output Format on demand.
Computer Output Format
If the Computer Output Format is to be used then the Output Format parameter must be set to
CMP (See Parameter Setup).
The Computer Output Format is as follows:
STX Mode
Value
Pad
Status
Units CR
LF
Name
Characters Description
STX
1
ASCII Start of Text (02 Hex).
Mode
1
“G” if gross weight mode
1
“N” if net weight mode
1
“Q” if quantity (count) mode
Value
7
Displayed weight or quantity
Pad
1
ASCII Space (20 Hex)
Status
1
1
Units
3
3
3
4
“M” if scale is in motion
“0” if scale is in overload. ASCII Space (20 Hex) if scale is stable
“lb.” if in weight mode and unit is pounds. “kg” if in weight mode and unit is kilograms. “g” if in
weight mode and unit is grams, “pcs” if in count mode.
CR
1
ASCII Carriage Return (OD Hex)
LF
1
ASCII Line Feed (OA Hex)
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Revision 4.3 Copyright ©2004 Sterling Scale Co., Inc. May 2004