Specifications
16. MITSUBISHI ELECTRIC PLC 16-3
Communication Setting
The recommended communication parameter settings of the PLC and the V7 series are as follows:
A Series Link
*1 Trans. Mode 1: without CR/LF, Trans. Mode 4: with CR/LF
If [Trans. Mode 4] is selected for [Trans. Mode] in the [Comm. Parameter] dialog of the V7 series, select
[MODE4] in the case of RS-232C, or [MODE8] in the case of RS-422.
QnA Series Link, QnH (Q) Series Link
* The maximum baud rate available with the V7 series is 115200 bps.
Select the appropriate baud rate depending on the used PLC and environment.
Connection to Q00/Q01 CPU
When connecting the tool port of a Q00/Q01 CPU and the V7 series using the PLC serial
communication function, the following setting is required.
V-SFT Setting
Select [QnH(Q) series link] in the [Select PLC Type] dialog.
GX Developer (MITSUBISHI programming software)
1. Double-click [PLC Parameter].
2. In the [Qn(H) Parameter] dialog, click the [Serial] tab.
3. Check [Use serial communication]. Set the options such as a baud rate.
Item Setting on PLC V7 Comm. Parameter Setting
Baud rate 19200 bps 19200 bps
Port 0 for both stations ×10, ×10
Parity Even Even
Transmission
mode
*1
RS-232C MODE1 Trans. Mode 1
RS-422 MODE5 Trans. Mode 1
Transmission
code
Data length 7 7
Stop bit 1 1
Sumcheck Provided (fixed) −
Write while running Possible (fixed) −
Terminating resistance at
sender
Provided (fixed) −
Terminating resistance at
receiver
Provided (fixed) −
Item Setting on PLC V7 Comm. Parameter Setting
Baud rate* 19200 bps 19200 bps
Port 0 for both stations ×10, ×10
Parity Even Even
Transmission
mode
RS-232C QnA series link:
MODE5 (binary mode) (fixed)
QnH (Q) series link:
MC protocol 5 (fixed)
−
RS-422
Transmission
code
Data length 8 (fixed) −
Stop bit 1 1
Sumcheck Provided (fixed) −
Write while running Possible (fixed) −