Ardarl Data Type; Awaawt Data Type - Allen-Bradley Micro800 General Instructions Manual

Chapter 6
ASCII serial port instructions
Parameter Data type
Channel UINT
Length UINT
Cancel BOOL
Parameter Data type
Channel UINT
Length UINT
Cancel BOOL
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ARDARL data type

The following table describes the ARDARL data type.
Description
Serial port number:
• 2 for the embedded serial port, or
• 5-9 for serial port plug-ins installed in slots 1 through 5:
• 5 for slot 1
• 6 for slot 2
• 7 for slot 3
• 8 for slot 4
• 9 for slot 5
The number of characters that you want to read from the buffer (maximum is 82).
When this input is set to TRUE, this function block does not execute. If already executing, operation ceases.

AWAAWT data type

The following table describes the AWAAWT data type.
Description
Serial port number:
• 2 for the embedded serial port, or
• 5-9 for serial port plug-ins installed in slots 1 through 5:
• 5 for slot 1
• 6 for slot 2
• 7 for slot 3
• 8 for slot 4
• 9 for slot 5
The number of characters that you want to write to the buffer (maximum is 82).
Note: If you set the Length to 0, AWA sends 0 bytes of user data and 2 bytes of appended characters to the buffer.
When this input is set to TRUE, this function block does not execute. If already executing, operation ceases.
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015