Rockwell-automation GMLC Reference Manual Manual de usuario Pagina 424

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Publication GMLC-5.2 - November 1999
Chapter
18
DH-485 Blocks
When DH-485 is selected in the General page of the Configure Control
Options dialog box, you can use DH-485 blocks to transfer data between
the motion controller and other devices via a DH-485 network.
The following table presents the icons for each block in this category
along with a brief description. More detailed descriptions of the blocks
are contained on the pages following this table.
Use this block: To:
Check the DH-485 interface and send the resulting status value, or
the location of the motion controller on the DH-485 link, to the
operator interface serial port.
Read a value (or multiple contiguous values) from a remote DH-
485 element (or elements) and wait for the transfer to be
acknowledged.
Send a value (or multiple contiguous values) from a local DH-485
variable in the motion controller to a remote DH-485 element (or
elements), and wait for the transfer to be acknowledged.
Evaluate the status of DH-485 communications.
Pause the program until the specified DH-485 status condition is
true.
Clear any and all DH-485 faults
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