9.1  PLC Connection 9-15
9.1.6 QnH (Q) Series Link
Communication Setting
Editor
Communication setting
(Underlined setting: default)
PLC (PC Parameter)
Switch setting for I/O and intelligent function module
Item Setting Remarks
Connection Mode
1 : 1
 / 1 : n / Multi-link2 /
Multi-link2 (Ethernet) /
1 : n Multi-link2 (Ethernet)
Signal Level RS-232C
 / RS-422/485
Baud Rate 4800 / 9600 / 19200 / 38400 /57600 / 115K
 bps
Data Length 8 bits
Stop Bit 1
 / 2 bits
Parity None / Odd / Even
Targe t  Port No. 0 to 31
Switch Contents Example
Switch 1
CH1: baud rate, transmission setting
0BEEH
115 kbps
8 bits
1 bit
Even
Switch 2 CH1: communication protocol MC protocol  mode 5  binary code 0005H
Switch 3 CH2: baud rate, transmission setting (the same as those for switch 1) 0BEEH
Switch 4 CH2: communication protocol MC protocol  mode 5  binary code 0005H
Switch 5 Station number setting 0 to 31 0000H
Bit 15 - 8 7 - 0
Baud rate Transmission setting
bps Setting Bit Contents OFF ON
4800 04H 0 Operation Independent Link
9600 05H 1 Data bit 7 8
19200 07H 2 Parity bit Not provided Provided
38400 09H 3 Parity Odd Even
57600 0AH 4 Stop bit 1 2
115200 0BH 5 Sum check Not provided Provided
6
Write while 
running
Prohibited Allowed
7
Setting 
change
Prohibited Allowed