Rockwell-automation 1734-ADNX POINT I/O DeviceNet Adpater User Manual Manual do Utilizador descarregar pdf (Página 46)

Publication 1734-UM002C-EN-P - July 2003

3-2 Using Auto Start Mode

Why Use Auto Start Mode?

Auto Start Mode offers you a quick and easy method of getting your

POINT I/O system ‘up and running’. If your POINT I/O application

can use default configuration, you should use Auto Start Mode to

easily begin operations.

Once your adapter is:

• installed

• connected to the system’s I/O modules

• online (in RSNetWorx for DeviceNet)

you only need to choose the Auto Start Mode option and the adapter

begins working with a default configuration.

What Does Auto Start Mode Do?

When using Auto Start Mode, the adapter:

1. Sets all modules on the backplane to Auto Baud.

2. Reads the Subnet module’s identity information.

3. Sets backplane modules’ addresses sequentially.

4. Generates a scanlist for the Subnet.

5. Maps I/O data, based on byte, word, double-word, or fixed

boundaries.

When this sequence of events is completed, the POINT I/O modules

connected to the adapter are ready to accept connections from a

scanner.

IMPORTANT

Although Auto Start Mode allows your adapter to

operate with a default configuration, you can write a

custom configuration after operation has begun.

For more information on how to write custom

configuration for your adapter on DeviceNet, see

Chapter 5,

Adding the 1734-ADN(X) to the

DeviceNet Scanner’s Scanlist.

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Rockwell-automation 1734-ADNX POINT I/O DeviceNet Adpater User Manual Manual do Utilizador Página 46