1 serial communication, Communication form, Settings for serial communication – KEYENCE DV-90 User Manual
Page 180: Serial communication -2, Serial communication
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Serial Communication
With serial communication, you can send data to the PC, and control the DV-90 by sending commands from the
PC.
PORT2 or the USB can be used for serial communication.
Communication Form
There are two types of serial communication:
Data communication
Data that is read with the connected code reader can be sent to a PC, etc.
Command communication
Commands can be sent from the PC to control the DV-90 directly or to change the settings.
Settings for Serial Communication
To execute serial communication, specify the following settings for the DV-90:
Using PORT2
1
Set “PORT2 Unit” in “Main” to “PC”.
2
Specify “Baud” and “Format (data length, parity, stop bit length)” in “PORT2
Unit” according to the PC.
The default settings are as follows:
* When a 2D code reader is connected, and there are double-byte characters such as Chinese
characters in the 2D code being read, set the "Data length" to "8 bits".
3
Specify the “Send Format” in “Verify” according to the software specifications.
(
Refer to 6-7)
The default setting is [Data]+
.
4
Specify the “Comm. Protocol” in “Verify” according to the PC software as
required. Normally, there is no need to change this setting.
5
Specify “RTS/CTS” in “PORT2” according to the PC software. Normally, there is
no need to change this setting.
Baud rate
9,600 bits/s
Data length *
7 bits
Parity
Even
Stop bit length
1 bit
CR