DL06 Micro PLC User Manual, 3rd Edition, Rev. E
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Chapter 5: Standard RLL Instructions
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NETRX Example
Rung 1: The Network Configuration IBox coordinates all of the interaction with other
Network IBoxes (NETRX/NETWX). You must have a Network Configuration IBox for
each serial port network, DCM module network, or original ECOM module network in your
system. Configuration IBoxes must be at the top of your program and must execute every
scan.
This IBox defines Network# K0 to be for the local CPU serial port #2 (KF2). For local
CPU serial ports or DCM/ECOM modules, use the same value you would use in the most
significant byte of the first LD instruction in a normal RX/WX rung to reference the port or
module. Any NETRX or NETWX IBoxes that need to reference this specific network would
enter K0 for their Network# parameter.
The Workspace register is used to maintain state information about the port or module,
along with proper sharing and interlocking with the other NETRX and NETWX IBoxes in
the program. This V-Memory register must not be used anywhere else in the entire program.
(example continued on next page)
Permissive contacts or input logic cannot
be used with this instruction.
