21. COMMUNICATION PROTOCOL
General information
A. A character based communication protocol balance-terminal is designed for
establishing communication between a RADWAG balance and peripheral
devices via RS 232 interface.
B. It consists of commands sent from a peripheral device to the balance and
responses from the balance.
C. Responses are sent from the balance on each receipt of a command as a
reaction to a specific command.
D. Commands forming the communication protocol enable obtaining data on
balance’s status and influencing its operation, e.g.: request measurement
results from the balance, zero indication, etc.
21.1. List of commands
Command Command description
Z
Zero balance
T
Tare balance
OT
Give tare value
UT
Set tare
S
Send stable measurement result in basic measuring unit
SI
Immediately send measurement result in basic measuring unit
SU
Send stable measuring result in current measuring unit
SUI
Immediately send measurement result in current measuring unit
C1
Switch on continuous transmission in basic measuring unit
C0
Switch off continuous transmission in basic measuring unit
CU1
Switch on continuous transmission in current measuring unit
CU0
Switch off continuous transmission in current measuring unit
PC
Send all implemented commands
CAUTION:
1. Each command must end with CR LF characters; the spaces provided in
the formats should be omitted, they are included only to improve
readability.
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