User manual

21. COMMUNICATION PROTOCOL
21.1. General information
A. A character protocol scale-terminal has been designed for
communication between RADWAG scales and peripheral devices
via RS-232 interface.
B. It consists of commands sent from an peripheral device to the scale
and a responses from a scale.
C. Responses are sent every time after receiving a command (reaction
for any command).
D. Using commands allows users to receive some information about the
state of scale and/or influence the operation e.g.: requesting
weighing results, display control, etc.
21.2. Set of commands operated by indicator
Command Description of command
Z
Zeroing
T
Tarring
S
Send the stable result in basic unit
SI
Send the result immediately in basic unit
C1
Switch on continuous transmission in basic unit
C0
Switch off continuous transmission in basic unit
Notice:
1. Each command must be must be finished with CR LF.
2. Sending to scale next commands without wait for response it should
be expected that scale can lose some of them. The best solution is
to send consecutive commands after receiving reply to previous
commands.
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