RADWAG PUE C/31H/Z Indicator - Manual (Page 55)

- 55 -
18. COMMUNICATION PROTOCOL
18.1. General information
A. A character protocol scale-terminal has been designed for
communication between RADWAG scales and external devices
via RS-232 interface.
B. It consists of commands sent from an external 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,
18.2. A set of commands for RS interfaces
Commands Description of commands
Z Zeroing
T Tarring
TO Get tare
S Send the stable result in basic unit
SI Send the result immediately in basic unit
SU Send the stable result in current unit
SUI Send the result immediately in current unit
C1 Switch on continuous transmission in basic unit
C0 Switch off continuous transmission in basic unit
CU1 Switch on continuous transmission in current unit
CU0 Switch off continuous transmission in current unit
PC Send all implemented commands
Notice:
1. Each command have to be terminated in CR LF;
2. The best Policy for communication is not sending another
command until the former answer has been received.