252720938AB Input logic module 0-8 words analog output data module and channel status 0-3 bytes discrete input data.
0-2 bytes discrete output data for clearing alarms. The way the module exchanges data with the bus interface unit is similar to other types when the BIU requests it, the I/O module provides all its input data and status bits, as well as receiving fault clearing commands and analog output data from the BIU.
The module can also be configured for “packet” data transmission with BIU or other devices in the same field control station for smart devices. The Group Data Interface Unit user manual is described in the bus.
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