Rockwell-automation 1747-ACNR15 ControlNet Adapter Module User Manual Manuel d'utilisateur télécharger pdf (Page 63)

Publication 1747-UM003A-EN-P

4-35

NOTE

There is a 2-word offset for input data for rack connections.

Therefore, for this example, the input data for the input

module in slot 1 of the remote 1747-ACN15 chassis is

written to I:3.3 in the SLC processor’s input image.

The starting input address configured in RSNetWorx for

this rack connection was I:3.1, but I:3.1 and I:3.2 are used

for status information. Therefore, the actual input data

begins after the 2 words of status information. I:3.4 is not

used in this example because an output module resides in

slot 2.

Also, note that there is no offset for the outputs in a rack

connection. O:3.2 is the output image word written to the

output module located in slot 2 of the 1747-ACN15

chassis. O:3.1 is not used because an input module resides

in slot 1. In addition, no offset applies to module

connections at all.

1 2 ... 58 59 60 61 62 63 64 65 66 67 68 ... 139 140

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Rockwell-automation 1747-ACNR15 ControlNet Adapter Module User Manual Manuel d'utilisateur Page 63