Mitsubishi Electric MELSEC iQ-R Series - Mode Switching Function; Data to be Specified in Command

13 SERIAL COMMUNICATION MODULE DEDICATED COMMANDS
13.4 Mode Switching Function
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13.4 Mode Switching Function
The mode switching function is a function to switch the current communication protocol (operation mode) or transmission
specification for the specified interface from external devices after C24 starts up. For more details on the mode switching
function, refer to the following manuals.
 MELSEC-Q/L Serial Communication Module User's Manual (Application)
 MELSEC iQ-R Serial Communication Module User's Manual (Application)
The command can only be used for C24 (including multidrop connection station) connected to the external
device. It cannot be used via network.
Data to be specified in command
This section explains the contents and specification method for data item which is set in the command to switch mode.
Channel No.
Specify the target interface.
Switching instruction
Select which specify the contents to be switched, by data in the command or by Engineering tool.
■Data communication in ASCII code
Convert the numerical value to 2-digit ASCII code (hexadecimal), and send it from the upper digits.
■Data communication in binary code
Send a 1-byte numerical value from lower byte (L: bits 0 to 7).
Ex.
When the switching instruction is '1' (Only mode No. is specified by command)
Target interface ASCII code Binary code
CH1
CH2
Bit Item Setting of Engineering tool OFF (0) ON (1)
b0 Mode No. Communication protocol setting Specified by Engineering tool Specified by command
b1 Transmission
setting
Transmission setting
b2 Communicati
on speed
Communication speed setting
b3 to b7 (Fixed to '0')
ASCII code Binary code
0
30 H
1
31 H
01H
0
30H
2
32H
02 H
0
30 H
1
31 H
01H