8521-LC-MT GE Communication module power board

Product Details

Product Description

Product Description
8521-LC-MT GE Communication module power board
8521-LC-MT GE Communication module power board
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A typical request for data from the field might happen
as follows:
The D/3® PAS requires the temperature from a particular thermocouple input at a particular node and
transmits a signal on the I/O LAN. There are several
Series 8000 nodes on the I/O LAN, but the EBIM at the
chosen node recognizes its own node address, and
acknowledges the request.
At each node, the input modules constantly monitor,
linearize and digitize their respective field signals,
and make them available to scanning on the node’s
internal bus (Railbus).
The EBIM continually scans the I/O modules via the
Railbus, and builds up a map of the values of the input
variables, ready for the PCM to read. These are converted into the LAN protocol and placed on the LAN
by the EBIM, together with acknowledgement signals.
The D/3 then interprets the signal and reconstructs
the temperature reading.