• 7bit Synapse Remote I/O module

• Connecting to Siemens PLC S7-1200
• Connecting to Siemens PLC S7-300
• Connecting to Mitsubishi MELSEC PLCs
• Connecting to Allen-Bradley MicroLogix 1200
• Connecting to Omron CP1L PLC
• Connecting to VIPA CPU215 PLC
• Connecting to PLCs with Codesys kernel
• Programmable relays Zelio

• Yottacontrol remote I/O modules
• Remote I/O module Weidmuller U-remote with Modbus/TCP
• Analog input module OWEN MV110-224.8А
• Akon's modules WAD bus
• Relay output module VK Socket-4
• Input module VK Socket-1

• Control of Danfoss frequency drives
• Delta Electronics frequency drives
• Delta Electronics servo drives
• POWTRAN frequency drives

• Weight indicators Tenzod200

• Danfoss AK-CC 550
• Danfoss ERC 213
• Dixell
• Elreha controllers for Compressor Compounds, Condenser Fans
• Carel

• Delta DOP-B HMI panels

• Irrigation controller Acclima CS3500

• DIEHL SCYLAR INT 8
• SKS-3 by Axis Industries
• Sensus GmbH

• NIK 2303L (NIK LLC)
• GAMA300 (ELGAMA-ELEKTRONIKA Ltd.)
• 1140/1170 by Elster
• LE-03M (Elektrosvit)
• СЕ303 (Energomera)

When you have a device with with an unsupported communication protocol (neither embedded nor custom) for WebHMI, still it is possible to communicate with it using HTTP requests, due to most modern devices have a configuratoin & status page. See the example.