Instruction manual
5
2. MITSUBISHI PLC 5-11
Connection to PLCs
Communication Setting
The recommended communication parameter settings of the PLC and the ZM-300 series is 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 ZM-300
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 ZM-300 series is 115200 bps. Select the appropriate
baud rate depending on the used PLC and environment.
A Series CPU, QnA Series CPU
Communication parameters for the ZM-300 series are automatically set.
Item Setting on PLC ZM-300 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 ZM-300 Comm. Parameter Setting
Baud rate* 19200 bps 19200 bps
Port 0 for both stations ×10, ×10
Parity Even Even
Transmission mode
RS-232C
MODE5 (binary mode) (fixed) −
RS-422
Transmission code
Data length 8 (fixed) −
Stop bit 1 1
Sumcheck Provided (fixed) −
Write while running Possible (fixed) −