Rockwell-automation 1738-ADNX ArmorPoint I/O DeviceNet Adapters Manual de usuario descargar pdf (Pagina 83)

Publication 1738-UM001A-EN-P - February 2005

Quick Start For the 1738-ADNX B-9

21. Select the Parameters tab and choose Download.

22. Verify that your window looks similar to the following window.

Review of the 1738-ADNX

Rules and the

MACID Parameter

To understand some of the MACID parameters, you should review

some of the rules for using the 1738-ADNX.

• The 1738-ADNX always has address 0 on the Subnet.

• All ArmorPoint I/O backplane module MACIDs must be

numerically less than those of non-backplane Subnet modules.

• Each backplane module’s MACID must be greater than that of its

left neighboring module.

• The 1738-ADNX has a unique attribute: Max(imum) Backplane

MACID. This value represents the highest node address of a

module residing on the backplane. This value must be greater

than or equal to the rightmost backplane ArmorPoint I/O

module, but must be less than that of any non-backplane Subnet

module. You select this value to allow for the future addition of

backplane modules. The attribute’s default value is 31,

representing the middle of the address range.

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Rockwell-automation 1738-ADNX ArmorPoint I/O DeviceNet Adapters Manual de usuario Pagina 83