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The scale has a communication protocol: "ESC" protocol.
"ESC" Protocol: An "ESC" protocol is using the escape (0X1B or ASCII 27) to indicate that
there is a command following. On the computer, side there must be a listener created by the
vendor that will interpret this protocol. This listener must also take care of all the issues
regarding data integrity, etc., to make sure that the data sent and received is valid.
Communication can be execute using through either RS232 I/O port or USB I/O port. The
RS232 cable, Shekel part Ref. # 203491 USB cable Shekel part Ref. # 410617. The
communication parameters are:
9600 baud (selectable in the programming mode),
8 data bits,
1 stop bit,
No parity,
No handshaking.
For the USB connection:
The USB driver installation will be on Windows® systems. The USB driver can be downloaded
from Shekel and installation will be with Shekel Engineering guidance.
Three scenarios have been defined:
1. Scale initiated communication
2. PC initiated communication.
3. Pressing the PRINT button.
The following table displays the communication data transmitted across the communications
line.
1. PC Initiated
Request current values/settings
Diagnostics
Send scale control messages
2. Scale Initiated
Send Single reading
Send diagnostic response
AA0437-7
Mai 16
COMMUNICATION
Abilanx
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56890 Saint Avé
Tél : 02 97 63 70 46 Fax : 02 97 63 74 90
contact@abilanx.com www.abilanx.com
ESC Value
R
A
C
ESC Value
R
Z
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