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The 2EX302.6 is an Expand Slave Module manufactured by B & R Automation. As part of the System 2010 Series, it employs addressing through BCD numbers dialed in tens. The module allows addressing more than 20 I/O modules without exceeding the 4-meter bus length. It uses an expansion master to divide the I/O bus into sections.
Module Type | Expand Slave Module |
---|---|
Purpose | Segments I/O buses to enable addressing up to 99 I/O modules from a single CPU |
Addressing Limitation | Allows more than 20 I/O modules to be addressed without exceeding the 4-meter I/O bus length limit |
Bus Segmentation | Uses an expansion master and expansion slave to divide the I/O bus into sections |
Maximum of 10 bus segments | Yes |
Each segment contains an expansion master | Yes |
Addressing Method | Addressing through BCD numbers dialed in tens (10, 20, 30, etc.) |
Seven-segment display | Shows the start address for bus segments, always ending in zero |
Expansion master modules | Connected to respective expansion slaves |
Power supply modules | Must be placed onto these bus segments |
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