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13
Usage Recommendations (continued)
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Network power configuration
Usage Recommendation
1. Consider not only current capacity of the trunk line but also current capacity of drop
lines when you install a node on a drop line.
2. In particular, when you are connecting nodes in daisy chain on a drop line, be careful
not to have insufficient current capacity.
3. Use a network power whose capacity is much larger than the total current
consumption necessary for the network.
3.5.2 How to Configure Network Power Units
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Network power unit
Usage Recommendation
1. Use a network power whose capacity is much larger than the total current
consumption necessary for the network.
3.5.3 The Network Power Unit(24Vdc)
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Registering your DN211 module
Usage Recommendation
1. When your DN211 is going to be I/O registered in the T2/T2E/T2N, leave blank for
the slot where the DN211 is installed.
After automatic allocation is performed, the DN211-installed slot is left blank.
4. How to Handle Your DN211 (software)
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Node address of your DN211
Usage Recommendation
1. Set the node address of your DN211 to a value smaller than the node addresses of
slave devices(because of the feature of CAN currently used in the DeviceNet).
4.6.3 Parameter Setting Request (local node)
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How to solve overrun errors
Usage Recommendation
1. Reduce the network communication speed when an overrun error occurs (500 kbps
-> 250 kbps -> 125 kbps).
7. Troubleshooting (Data Communication with Slave Devices)