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General| Brand | Omron |
|---|---|
| Model | CS1W-ETN21 |
| Category | Controller |
| Language | English |
Lists all Modbus commands supported by the hardware, including their function codes and names.
Details memory areas used by the Modbus TCP PLC program and accessible via Modbus TCP requests.
Explains the structure of the Modbus TCP/IP Application Data Unit (ADU) and its MBAP header.
Describes the request and response for reading multiple coils from the CIO memory area.
Details reading multiple coils from the CIO memory area using Function Code 0x02.
Explains how to read multiple registers from the DM memory area.
Details reading multiple registers from the CIO memory area.
Describes the process of writing a single coil in the I/O memory area.
Explains how to write a single register in the DM memory area.
Details the procedure for performing an echo back test for data verification.
Describes the process of writing multiple registers in the DM memory area.
Lists common exception codes generated for illegal requests, data addresses, or values.
Provides descriptions for counters tracking illegal requests, sent/received data, and socket errors.
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