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Changes for page 14. Modbus

Last modified by writer on 2025/07/15 19:25
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To version 4.1
edited by writer
on 2025/07/15 19:25
Change comment: There is no comment for this version

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1 +Modbus RTU communication is supported at the hardware level on the following devices:
2 +
3 +* PX1;
4 +* PLCM-E3 + PLCM-B1-G2.
5 +
6 +When using other controllers that do not support the Modbus RTU protocol, communication is configured by connecting to a PC via a USB-RS485 converter, for example, via [[PLB485>>https://purelogic.ru/catalog/konverter_plb485/]].
7 +
8 +When working via Modbus RTU, PUMOTIX acts as a Master device, and all connected devices must be in Slave mode.
9 +
10 +Supported functions:
11 +
12 +* Read - 0x03 (Read Holding Registers);
13 +* Read - 0x04 (Read Input Registers);
14 +* Write - 0x06 (Write Single Register);
15 +* Write - 0x10 (Write Multiply Registers).
16 +
17 +Connection and configuration examples for some frequency converters:
18 +
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