2EX302.6 B & R Automation
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The 2EX302.6 is a 2010 Expand Slave module that segments I/O buses, allowing up to 99 I/O modules to be addressed from one CPU. C-UL-US listed, it splits the I/O bus into sections with a maximum of 10 segments, each containing an expansion master. It operates with BP202 base plates, requiring an Expansion Master on each bus segment. Addressing is done via a BCD dial in tens, with start addresses ending in zero. The module ensures efficient space usage and clear system configuration.
Internal Product Review
The 2EX302.6 is a 2010 Expand Slave module designed to segment I/O buses, allowing the addressing of up to 99 I/O modules from a single CPU.
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Product Description:
The 2EX302.6 is a 2010 Expand Slave module that segments I/O buses to allow for the addressing of up to 99 I/O modules from one CPU; otherwise, having more than 20 I/O modules in a row would have made them go beyond four meters since this is the length of the I/O bus. An expansion master and an expansion slave are used in dividing the I/O bus into sections or parts, which means that there can be ten bus segments at most, with each segment containing an expansion master. This way saves space and makes sense of things configuration-wise so that all these aforementioned may be achieved as stated by Planning and Installation under System Configuration and Power Supply within it.
To split an IOB into smaller pieces, it is required to operate any Expansion Master on those levels where bus segments are located numbered one or two, while every Bus Segment should have its leftmost slot occupied by an Expansion Slave plus BP202 base plate. Addressing this will be done through BCD number dialed in tens, twenty, thirty etc., but care must be taken so that they do not overlap themselves when being addressed; seven-segment display shows the start address for such bus segments always ending with zero.
Connecting expansion master modules together along with their respective expansion slaves placed module address setting power supply connections made between them as well as placing power supply modules onto these bus segments can all be found out from Planning And Installation part under System Configuration And Power Supply chapter.
