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Numbering with the Data from PLC Connection Points

When numbering with PLC data, only those devices are numbered whose main function is included in the range of numbering. The matching auxiliary functions are always also numbered.

Functions numbered with data from a PLC connection point are flagged and can optionally be excluded from normal DT numbering, terminal numbering, etc.

Devices connected to PLC connection points can accept components of the PLC address into the DT:

  • On a PLC output, the DT of a function is changed if it is a main function and the corresponding connection point is an actuator.
  • On a PLC input, the DT of a function is changed if it is a main function and the corresponding connection point is a sensor.
  • For terminals and pins, not the DT but the terminal or pin designation is modified. You specify separate format settings for the numbering.
  • PLC connection points and PLC boxes are not numbered. Nested components, as well as graphical and external components, are also not numbered.

Numbering on terminals or pins connected to a PLC

Terminals or pins between a PLC connection point and the corresponding sensor or actuator can be designated with the address or connection point designation of the PLC connection point. In this way, you can create designations corresponding to the GOST standard.

Structure of PLC address

In the settings for numbering formats, you can access individual components of the PLC address. These components correspond to a respective counter or an identifier. To identify the individual components, the address format set in the PLC-specific settings is evaluated.

Component

Contents

First component of the address

Last counter (bit)

Second component of the address

Next to last counter (byte)

Third component of the address

Third last counter (PLC card / slot / module)

Fourth component of the address

Fourth last counter (device / network participant)

Fifth component of the address

Fifth last counter (network bundle)

Identifier

Identifier for the data type (for example, I, O, %IX, %QX)

The numbering format can be composed of different components of the PLC address, such as "Entire PLC address", "Byte", "Bit", "Separator", or "Identifier".

See also