overview
In the world of FA-Server, a communication driver for connecting to PLC and other devices is called a "unit." FA-Server comes standard with built-in communication functionality for 100 types of PLCs, and you can select the target PLC from the driver list and register it as a unit.
A tag is a data space, like a shared memory, and various functions can freely access the tag. The value of the PLC device, which is periodically acquired by the communication driver (unit), is always automatically reflected in the tag. Also, the value written to the tag is automatically written to the corresponding PLC device address.
This section explains how to set up communication with PLC and register tags.
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overview |
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This section explains the overview of the unit (communication driver) and the unit types (PLC, memory, external connection).
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Introduction to tag creation steps
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We'll provide a brief explanation of the steps to create a tag, and each tip description will provide a link to a manual page with detailed instructions.
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Introducing the tag filter feature
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Tags have a conversion function called the "tag filter function." It allows you to easily convert engineering values, invert values, offset values, and more.
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Active tagFeature Introduction
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This article introduces a method to directly specify the desired PLC device address and establish a communication connection without having to register a tag (Static tag) in advance.
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For more information about tags, see "Tags". |
