IDEC High Performance Series - Manual (Page 169)

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External Device Setup Manual
3.4.2 CPU Unit RS232C Link I/F Settings
Write the RS232C I/F setting item for the System Settings Area using a peripheral tool (such as Proconn).
Refer to the PLC manual for details.
For CQM 1 and C200HS, set the switch number 5 on the CPU Unit setting switch to OFF.
System Settings Area Item Setting
C20H/
28H/40H/60H CQM1H
C200HS/
C200HE/
C200HG/
C200HX
DM0920 DM6645
Standard/Individual Setting
*1
*1. Standard settings
Baud Rate: 9600 bps
Data Bits: 7 bits
Stop Bits: 2 bits
Parity: Even
Same setting as the MICRO/I
Mode PLC Link Mode
DM0921 DM6646 Communication parameters for when the
previous item is set to Individual. Use the same settings as for the MICRO/I.
DM0922 DM6647 Transmission Delay 0 msec
RS/CS presence None
DM0923 DM6648 Unit No. Same setting as the MICRO/I