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i m working to make esp32 modbus rtu to coolmaster/ integrator adapter like intesis basically for vrf vrv system(hvac) im beginner

Modbus About 7 months ago at 10:32 PM

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968Views
7Replies
Last message by jschulze on January 10, 2026 at 07:08 AM
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Late bloomer to MODBUS have lots of silly questions

Modbus 7 months ago at 12:32 PM

Forums
1491Views
11Replies
Last message by Ihminen on January 9, 2026 at 10:45 AM
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Modbus TCP communication between Yaskawa MP3300iec PLC and CMORE HMI panel

Modbus About 7 months ago at 07:14 PM

Forums
1177Views
4Replies
Last message by jschulze on January 8, 2026 at 08:28 AM
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Mark VIe IO Pack Failures

Power Generation 5 years ago at 08:05 PM

Forums
6031Views
6Replies
Last message by Sagir on January 8, 2026 at 05:50 AM
Intrinsic fieldbus connection with some power

Safety 7 months ago at 09:19 AM

Forums
498Views
0Replies
Last message by exremote on December 30, 2025 at 09:19 AM
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PLC to PLC communication between two different machines by different manufacturers

Programmable Logic Controller - PLC 8 months ago at 05:35 PM

Forums
991Views
2Replies
Last message by jsrinaldi on December 28, 2025 at 09:44 AM
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ABB REX640 modbus to be added to Schneider Power Monitoring Expert

Modbus 7 months ago at 10:42 AM

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1186Views
17Replies
Last message by clpabella on December 24, 2025 at 08:48 AM
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Long delay writing to modbus registers Fronius invertor from Home Assistent

General Software Chat One year ago at 07:19 AM

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1774Views
4Replies
Last message by airHawthorne11 on December 1, 2025 at 01:26 AM
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I want to ask, hopefully someone can help

Modbus 8 months ago at 01:00 AM

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1530Views
25Replies
Last message by jschulze on November 27, 2025 at 06:25 AM
SIEMENS PLC to PLC communication failure between S7 300 and S7 400 systems.

Power Generation 5 years ago at 11:20 PM

Forums
11453Views
16Replies
Last message by Matiralo on November 24, 2025 at 09:21 AM
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Rayleigh Instruments RI-D480 Integration to Siemens TXI2-Open

Modbus 8 months ago at 03:31 PM

Forums
653Views
1Replies
Last message by jschulze on November 13, 2025 at 07:38 AM
Honeywell S9000 serial communication Reference

Programmable Logic Controller - PLC 19 years ago at 06:13 PM

Forums
3354Views
5Replies
Last message by jalil29 on November 11, 2025 at 06:06 AM
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Modbus communication between two masters

Modbus 9 months ago at 12:41 PM

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736Views
4Replies
Last message by David_2 on October 23, 2025 at 04:28 PM
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Bye-bye Modbus? No more free downloads of the Modbus specs

Modbus 10 months ago at 10:52 AM

Forums
5868Views
1Replies
Last message by David_2 on October 8, 2025 at 09:55 AM
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ION 7550 Modbus point

Modbus 10 months ago at 04:11 AM

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910Views
8Replies
Last message by clpabella on September 10, 2025 at 08:01 PM
MODBUS ASCII Protocol Standard / Definition or .NET library?

Modbus 11 months ago at 01:33 PM

Forums
1293Views
2Replies
Last message by mjeschke on September 3, 2025 at 02:19 PM
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AI in process control, any experiences?

Process Control 11 months ago at 01:01 AM

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1180Views
1Replies
Last message by MohammadCrum on August 18, 2025 at 10:45 PM
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Remote IO using rs485 (or twisted shielded pair) with 4-20ma on both ends

Instrumentation & Measurement One year ago at 10:20 AM

Forums
1628Views
6Replies
Last message by David_2 on July 31, 2025 at 01:54 PM
Struggle to Communicate with Various Energy Meters on the same Cable

Modbus One year ago at 03:10 AM

Forums
1214Views
5Replies
Last message by patrickduis on July 18, 2025 at 03:58 AM
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Trying to integrate A/C system with home assistant

Modbus 5 years ago at 04:53 AM

Forums
3216Views
3Replies
Last message by JonClk on July 13, 2025 at 10:21 PM