Setup and Wiring | Chapter 3 | |
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3-1-4 Baud Rate and Node Address Settings
In a CompoBus/D Network, the baud rate can be set to 500 Kbps, 250 Kbps, or 125 Kbps. To manage Master/Slave communications, numbers are assigned as node addresses.
Baud rate setting pins
Node address setting pins
Note Default settings are all OFF.
H Baud Rate Setting Pins
Pin | 500 Kbps | 250 Kbps | 125 Kbps |
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DR1 | ON | OFF | OFF |
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DR0 | OFF | ON | OFF |
H Node Address Setting Pins
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| Node Address |
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| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | to | 63 |
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ADR5 | OFF | OFF | OFF | OFF | OFF | OFF | OFF | OFF |
| OFF | OFF |
| OFF | OFF | OFF | OFF | OFF | OFF | to | ON |
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ADR4 | OFF | OFF | OFF | OFF | OFF | OFF | OFF | OFF |
| OFF | OFF |
| OFF | OFF | OFF | OFF | OFF | OFF | to | ON |
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ADR3 | OFF | OFF | OFF | OFF | OFF | OFF | OFF | OFF |
| ON | ON |
| ON | ON | ON | ON | ON | ON | to | ON |
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ADR2 | OFF | OFF | OFF | OFF | ON | ON | ON | ON |
| OFF | OFF |
| OFF | OFF | ON | ON | ON | ON | to | ON |
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ADR1 | OFF | OFF | ON | ON | OFF | OFF | ON | ON |
| OFF | OFF |
| ON | ON | OFF | OFF | ON | ON | to | ON |
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ADR0 | OFF | ON | OFF | ON | OFF | ON | OFF | ON |
| OFF | ON |
| OFF | ON | OFF | ON | OFF | ON | to | ON |
Note | 1. The same node address cannot be used for more than one Slave connected to the commu- | |||||||||||||||||||
| nications line. |
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Note | 2. Remote I/O allocations in the CPU Unit are affected by the node addresses, so make sure that | |||||||||||||||||||
| the remote I/O allocations do not overlap before setting a node address. Refer to Chapter 4 | |||||||||||||||||||
| CompoBus/D System Startup. |
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