Communication Protocol CubiScan 125 Command Set
CubiScan 125 Service Manual 59
It is configured as a communications device class (or USB CDC). The device attaches, on the USB
side, to an RS-232 communications line and the computer operating system. This makes the USB
device appear as a traditional RS-232 port.
The CubiScan 125 command set can be sent, via USB, using RS-232 communication software.
The following table shows the parameters for asynchronous communications through the USB
cable.
CubiScan 125 Command Set
This section describes the commands recognized by the CubiScan 125 to cube and weigh
packages and to set up the CubiScan 125 for cubing and weighing (dimension units, factor toggle,
calibration, zero, and so on).
All command packets begin with an STX (start of text) and end with a LF (line feed). Each
command has a Command field and an optional Data field. For example:
<STX><COMMAND><DATA><ETX><CR><LF>
All commands receive either an Acknowledge response (ACK), or a Negative Acknowledge
response (NACK). An ACK has an “A” in the third character position and may include a data field.
A NACK has an “N” in the third character position, indicating that an error occurred. For
example:
ACK:
<STX><COMMAND><A><DATA><ETX><CR><LF>
NACK: <STX><COMMAND><N><ETX><CR>
1 VCC Red +5 VDC
2 D- White Data -
3 D+ Green Data +
4 GND Black Ground
Asynchronous
Communication
Parameters
Baud Rate 9600
Parity None
Data Bits 8
Start Bits 1
Stop Bits 1
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