Publication 1734-UM001D-EN-P - April 2008
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Configure POINT I/O Modules for DeviceNet Networks
Using the RSNetWorx Commissioning Tool
The RSNetWorx commissioning tool lets you commission devices (set the
node address and the data rate parameters) that are either connected to a
DeviceNet network or connected via a point-to-point connection.
The node commissioning tool works through RSLinx software; RSNetWorx
software does not have to be online when performing the operation.
Before you can add any device to a DeviceNet network, you must commission
it. This means you must program into the device a node address and data rate.
Some devices are precommissioned, meaning a node address (usually set to 63)
and a data rate (usually set to
125 Kbps) are programmed into the device at the factory prior to shipment.
You need to commission other devices in the field. Once a device has been
commissioned and attached to a network, you can use the RSNetWorx for
DeviceNet node commissioning tool to edit the node address and data rate
that were set previously.
Exercise caution while editing node addresses when on a network. When you
apply a new node address, it immediately overwrites the node address data in
the device currently specified. If you decide to reassign node addresses, you
should first determine the order in which this needs to be done so that all the
devices still have unique node addresses when you finish.
For example, if two of the devices on your network are a photoelectric sensor
and a hand controller and you accidentally change the node address of the
hand controller to be the same as that of the photoelectric sensor, then the
photoelectric sensor no longer has a unique address. This means it is not able
to provide data to the scanner. If you cannot access a device, because you have
used its node address for another device, you have to remove it from the
network, recommission it, then reinstall it on the network.
ATTENTION
Do not change the data rate of devices while they are
connected to a network. Erratic operation may result. We
recommend that if you need to change the data rate of a
device, you should remove it from the network, establish a
point-to-point connection between the PC, which hosts the
RSNetWorx for DeviceNet software, and the target device,
recommission it, and then, reconnect it to the network.
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