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<< Click to Display Table of Contents >> Manual > Device Connection Guide > Mitsubishi Electric > Private Protocol > (Deprecated) RS-232C QnA Series > Connection example [QnA series] |
overview
This is an example of connection settings via RS-232C with the QnA series (private protocol).
Model used
item |
Model etc. |
PLC |
Q2ACPU |
Communication Unit |
AJ71QC24 |
Configuration details
item |
Setting items |
Configuration Example |
PC settings |
COMPort |
Serial port number to connect to |
Transmission speed |
19200bps |
|
parity |
Even |
|
Area code |
0 |
PLC side settings
Set the switch on the front of the "AJ71QC24". For details about the switch, refer to the manufacturer's manual. After setting as follows, be sure to reset the PLC once.
switch |
Setting contents |
STATION No (x10) |
0 |
STATION No (x0) |
0 |
CH1.Mode |
5 |
CH1.SW01 |
OFF |
CH1.SW02 |
ON |
CH1.SW03 |
ON |
CH1.SW04 |
ON |
CH1.SW05 |
OFF |
CH1.SW06 |
ON |
CH1.SW07 |
ON |
CH1.SW08 |
ON |
CH1.SW09 |
OFF |
CH1.SW10 |
ON |
CH1.SW11 |
ON |
CH1.SW12 |
OFF |
*For units with other model numbers, set the "mode setting switch" to "5 (dedicated protocol format 1)", "data bit" to "8 bits", and "stop bit" to "1 bit".