Rockwell-automation 1788 NetLinx Media Checker Users Manual Manuel d'utilisateur télécharger pdf (Page 25)

Testing the Wire Map (WIRE MAP)

1788-UM002A-US-P – April 2000

When the MediaChecker detects something on the far

end of the cable, but cannot determine if it is the Cable

ID, “ID” is displayed. The MediaChecker alternately

displays “??” and “RA” when the Cable ID is detected but

a problem with the cable or with the Cable ID is interfering

with the identification process.

Without the Cable ID connected to the far end of the

cable, the MediaChecker displays “--”.

The following display indicates the near end wiring of a

cable without the Cable ID connected:

aan14f.eps

Table 11 shows example of wire map failures on

DeviceNet cable.

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 43 44

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Rockwell-automation 1788 NetLinx Media Checker Users Manual Manuel d'utilisateur Page 25