Rockwell-automation 1747-ACNR15 ControlNet Adapter Module User Manual Instrukcja Użytkownika Pobierz pdf (Strona 58)

Publication 1747-UM003A-EN-P

4-30

Create a Ladder Logic Program

The final step is to write a ladder program for the SLC processor, including

configuring the 1747-SCNR for slot 3 of the processor’s chassis. After

downloading the program to your processor, place it into the RUN mode.

Your program should now be able to read data from the 1746-IA16 in word

I:3.3 and write to the 1746-OB16 in word O:3.2. The analog input data and

channel status will reside in words M1:3.3 through M1:3.18, while the analog

module configuration data must be copied to words M0:3.3 through M0:3.14.

Note that your ladder program should also contain an unconditional rung with

an OTE instruction addressed to the SCNR scanner’s RUN/IDLE bit,

O:3.0/10 for this example. When the SLC processor is placed into the RUN

mode, this rung sets the SCNR scanner’s RUN/IDLE bit and places the

scanner into the RUN mode as well. The scanner begins executing the

configured connections when the RUN/IDLE bit is set.

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Rockwell-automation 1747-ACNR15 ControlNet Adapter Module User Manual Instrukcja Użytkownika Strona 58