How to solve the error of function block?

Create Date: 2024-8-30 12:03:23|Source: SICK/Sick

The reader always gives an error, which can be found in the function block usage documentation.

01. How to download and view

The public information of most of Sea's products can be downloaded from the official website without login, please find it in the download area at the bottom of the product homepage.

For example, when we use the function block, which is the library file, take TIA-Portal as an example, and the download location is as follows:

First, find the download area;

How to solve the error of function block?

　　Then click on the software and find the S7 function block;

　　02. What is included in the document?

Open the downloaded zip package, in addition to the library files used by the program, there is also an original English version of the documentation:

　　Documentation: Documentation

Libraries: the library file of the Portal

Example: Case file

03. Where can I find the error code?

After opening the document, we can find the corresponding explanation in the error code section, as shown on page 26 of the following figure:

　　04. How to solve the error after encountering it?

In essence, the error report is a logical judgment made by the function block according to the pre-defined logic and the feedback information of the RFID reader; In some cases, the error may mean that the reader is not performing the function according to the error logic, but it is actually a timely "stop loss" action.

Here are a few examples of common errors:

16#0000_0015: Indicates that the program executes (Request) without selecting a function or selecting multiple functions to execute, referring to the sequence diagram, only one function of Request+ needs to be sent out and acted.

16#0000_0016: According to the actual application, most of the reasons are: reader trigger setting problems; No label exists; The read or write area extends beyond the physical storage area; Signal strength is too weak; The label is locked.

16#0000_0022: No tag is in the area in single-tag mode.

16#0000_0023: In single-label mode, the reader discovers that there are multiple tags in the environment.

16#0000_0024: Invalid output format (only valid in single label mode)

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