Mitsubishi Electric MELSEC iQ-R Series - Page 1724

1722
20 SERIAL COMMUNICATION INSTRUCTIONS
20.15 Switching the Mode
■Control data
Processing details
• This instruction changes the communication protocol, transmission setting, or station number of each channel of the
module specified by (U).
• The completion status of the ZP.UINI instruction can be checked with the completion device (d) and the completion status
indication device (d)+1.
• The following figures show how the ZP.UINI instruction operates when its execution completes.
Operand: (s)
Device Item Description Setting range Set by
+0 For system Always specifies 0. 0 User
+1 Execution result Used to store the result of sending with the ZP.UINI instruction.
•0: Normal
• Other than 0: Error (error code)
 System
+2 Execution type Specify the execution type.
• 0: Change the settings according to the setting details indicated by (s)+3 and later.
• 1: Restores the setting details of the user parameters that have been set in the
engineering tool.
0, 1 User
+3 CH1 transmission
specifications setting
Sets the CH1 side transmission setting.
Check the current value of the buffer memory area (595 (253H)) to make the settings
identical.
0 to 4095
(0000H to
0FFFH)
User
+4 CH1 communication
protocol setting
Sets the CH1 side communication protocol.
Check the current value of the buffer memory area (594(252H)) to make the settings
identical.
0 to 9 User
+5 CH2 transmission
specifications setting
Sets the CH2 side transmission setting.
Check the current value of the buffer memory area (611(263H)) to make the settings
identical.
0 to 4095
(0000H to
0FFFH)
User
+6 CH2 communication
protocol setting
Sets the CH2 side communication protocol.
Check the current value of the buffer memory area (610(262H)) to make the settings
identical.
0 to 9 User
+7 Station number setting Sets the station number. 0 to 31 User
+8 to +12 For system Always specifies 0. 0 User
• Completion device (d)
This device turns on during END processing of the scan where the ZP.UINI instruction completes, and turns off during the next END processing.
• Completion status indication device (d)+1
This device turns on or off depending on the completion status of the ZP.UINI instruction.
When completed successfully: The device remains off.
When completed with an error: The device turns on during END processing of the scan where the ZP.UINI instruction completes, and turns off during the next
END processing.
0
OFF
OFF
ON
END0END0END0 END END0END0
OFF
OFF
OFF
OFF
ON
ON
Mode switching signal
(X6/XD)
Serial
communication
module
Set processing
Communications disabled
Sequence scan
ZP.UINI instruction
Completion device (d)
1 scan
Completed successfully
Completed
with an error
Execution of the instruction
Completion status
indication device (d)+1