Aic - Ascii Integer To String - Allen-Bradley MicroLogix 1400 Instruction Manual

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368 ASCII Instructions
ACL Instruction Valid Addressing Modes and File Types
For definitions of the terms used in this table see Using the Instruction Descriptions on page 92.
Parameter
Channel
Receive Buffer
Transmit Buffer
(1) The Control data file is the only valid file type for the Control Element.
Publication 1766-RM001A-EN-P - October 2008
This instruction executes immediately upon the rung transitioning to a
true state. Any ASCII transmissions in progress are terminated when the
ACL instruction executes.
The ASCII queue may contain up to 16 instructions that are waiting to run.
TIP
Entering Parameters
Enter the following parameters when programming this instruction:
• Channel is the number of the RS-232 port, Channel 0.
• Receive Buffer clears the Receive buffer when set to "Yes" and
removes the Receive ASCII port control instructions (ARL and ARD)
from the ASCII queue.
• Transmit Buffer clears the Transmit buffer when set to "Yes" and
removes the Transmit ASCII port control instructions (AWA and
AWT) from the ASCII queue.
Addressing Modes and File Types can be used as shown below:
(1)
Data Files
Instruction Operation
When Clear Receive Buffer and Clear Transmit Buffer are both set to Yes,
all Receive and Transmit instructions (ARL, ARD, AWA, and AWT) are
removed from the ASCII queue.
Function Files
Address
Address Level
Mode
• •
• •
• •