In such a case, GSD means General Station Definition which contains a form of the text which interprets by PLC which then converts it into proper command form. The transmitters will be provided with a GSD file from the manufacturer which contains all the addresses where the flow parameters will be available. The PLC can be communicated with flow transmitters only when it knows where to communicate, which addresses the flow transmitter data is available. It will accept the totalizer reset command, sending the flow parameters to PLC. The transmitter is also capable of remote configuration from the PLC’s. The transmitter will store the flow rate, totalizer value, and flow units. First, before going through installing a GSD file, let’s understand what GSD file is and why we require to install them in the software.įor example, we have a flow transmitter that has a function like flow totalizer.
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