Mitsubishi Electric MELSEC iQ-R Series - Page 266

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13 SERIAL COMMUNICATION MODULE DEDICATED COMMANDS
13.4 Mode Switching Function
■Transmission setting
Specify the transmission setting. (Page 261 Transmission setting)
When the setting by command is enabled (Switching instruction: 2, 3, 6, or 7), the transmission setting is changed according
to the specified value.
As for the setting by command is disabled (Switching instruction: 0, 1, 4, or 5), the transmission setting is changed according
to the transmission setting set with Engineering tool
When the setting is invalid, specify '0'.
■Communication speed
Specify the communication speed. (Page 262 Communication speed)
When the setting by command is enabled (Switching instruction: 4, 5, 6, or 7), the communication speed is changed according
to the specified value.
When the setting by command is disabled (Switching instruction: 0, 1, 2, or 3), the communication speed is changed
according to the communication speed setting set with Engineering tool.
When the setting is invalid, specify '0'.
Example for data communication
Perform mode switching for CH1 interface.
• Operation mode: MC protocol (Format 1) (Specified value: 01H)
• Operation setting: Following settings (Specified value: B0H)
• Communication speed: 9600bps (Specified value: 05H)
■Data communication in ASCII code
(Request data)
ASCII code Binary code
ASCII code Binary code
Item Setting Bit ON/OFF
Operation setting Independent b0 OFF
Data bit 7 b1 OFF
Parity bit None b2 OFF
Odd/even parity Odd b3 OFF
Stop bit 2 b4 ON
Sum check code Yes b5 ON
Online change Disable b6 OFF
Setting change Enable b7 ON
0
30H
0
30H
00H
0
30H
0
30H
00H
31H 36H 32H
1
31H
162
30H 30H 30H 30H30H 31H 30H
0000010
37H 30H 30H 42H 30H 30H 35H
701 0B05
Channel
No.
Switching
instruction
Mode
No.
Command Subcommand
Transmission
setting
Communication
speed