Modbus Archives - Kepler Electronics https://kepler-elec.com/tag/modbus/ LOYTEC COMPETENCE CENTER Tue, 21 Oct 2025 15:35:14 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://kepler-elec.com/wp-content/uploads/1/2023/10/cropped-cropped-cropped-cropped-Kepler-Elec-Logo-2023-09-18-13-45-04-32x32.jpg Modbus Archives - Kepler Electronics https://kepler-elec.com/tag/modbus/ 32 32 KAPI-USB https://kepler-elec.com/2025/06/23/kapi-usb/ Mon, 23 Jun 2025 16:40:49 +0000 https://kepler-elec.com/?p=7301 KAPI-USB , API Development Board The KAPI-USB is a compact,...

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KAPI-USB

KAPI-USB , API Development Board

The KAPI-USB is a compact, versatile development module featuring a high-resolution screen integrated with powerful microcontroller technology. Designed for OEMs and system integrators, it provides a reliable platform for implementing private API integration, intelligent
control, automation, and IoT solutions with seamless connectivity.

Key Features:

  • High-Resolution Screen: Compact display supporting colorful graphics and smooth interaction
  • Embedded Microcontroller: Efficient processing core capable of running custom firmware for various control applications
  • Wireless Connectivity: Supports Wi-Fi and Bluetooth for wireless communication and remote control
  • Multi-Protocol Interface: Equipped with standard communication interfaces such as GPIO, I2C, SPI, UART, and ADC, suitable for a wide range of peripherals
  • Power Options: Flexible power input via USB or external DC supply
  • Compact & Durable Design: Small footprint, ideal for embedded and industrial use
  • Development Compatibility: Supports popular development environments for firmware customization.

API & Connectivity

This platform incorporates a specialized API layer designed to enable integration with diverse third-party systems and protocols. It facilitates communication over standard industrial protocols, including Modbus, with support tailored for control systems requiring reliable, seamless interoperability.

API Highlights:

  • Universal Compatibility: Designed for integration with a variety of automation and control protocols
  • Protocol Support: Full Modbus support (RTU/TCP) for interfacing with established controllers
  • Flexible API: Modular architecture allowing customization for unique system requirements
  • Remote Access & Control: Enables remote monitoring and data exchange via wireless interfaces,

Applications:

  • Building automation interfaces
  • Industrial control panels
  • Smart home systems
  • IoT sensor dashboards
  • HMI (Human-Machine Interface) solutions

Support & Contact:

For more information, technical support, or custom solution development, please contact your local distributor or system integrators.

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]]> KMOD-USB https://kepler-elec.com/2025/06/11/kmod-usb/ Wed, 11 Jun 2025 16:31:36 +0000 https://kepler-elec.com/?p=7294 ModBus USB Adapter KMOD-USB is a USB bus converter chip,...

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KMOD-USB

ModBus USB Adapter

KMOD-USB is a USB bus converter chip, which converts USB to high-speed serial UART interface, provides common MODEM signal, to expand serial UART interface of computer or upgrade common serial devices or MCU to USB bus directly.

Features:

  • Full-speed USB device interface, USB 2.0 compatible.
  • Built-in firmware, emulate standard UART interface, used to upgrade the original serial peripherals or expand additional serial UART via USB.
  • Original serial applications are totally compatible without any modification.
  • Support free installation OS which built-in CDC driver or multifunctional high-speed VCP vendor driver.
  • Hardware full-duplex serial UART interface, integrated independent transmit-receive buffer, supports communication baud rate varies from 50bps to 6Mbps.
  • Support 5, 6, 7 or 8 data bits, supports odd, even, space, mark and no parity.
  • Support common MODEM interface signals RTS, DTR, DCD, RI, DSR and CTS.
  • Support CTS and RTS hardware automatic flow control.
  • Support half-duplex, provides sending status TNOW which support RS485 to switch.
  • Support RS232 interface, through external voltage conversion chip.
  • Support USB port SV and 3.3V power supply.
  • 1/0 independent power supply, supports SV, 3.3V, 2.5V and 1.8V power supply, supports backflow prevention.
  • Integrated power-on reset, integrated 12MHz clock, no external crystal required.
  • KMOD-USB integrates EEPROM used to configure the chip of VID, PIO, maximum current value, vendor and product information string, etc.
  • RoHS compliant SOP16, ESSOP10 and QFN16 lead-free package.

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]]> KMOD-RM32 https://kepler-elec.com/2024/05/15/kmod-rm32/ Wed, 15 May 2024 13:36:01 +0000 https://kepler-elec.com/?p=5702 KMOD-RM32, Modbus RTU 32-Ch Relay Module, RS485 Interface,With Multiple Isolation ProtectionCircuits

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KMOD-RM32

Smart 32-Ch Relay Module, Modbus RS485 Interface, With Multiple Isolation Protection Circuits

KMOD-RM32 is an industrial 32-ch relay module controlled via RS485 bus, adopts Modbus RTU protocol, built-in protection circuits such as power supply isolation, magnetically isolation, resettable fuse, and TVS diode, etc, It also comes with an ABS case.

Product Features

  • Easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipment’s and/or applications with high communication requirements.
  • Configurable device address (1-255), multi devices can cascaded on RS485 bus
  • Features flash-on, flash-off function, it is possible to turn on the relay for a while and then close it automatically via the command
  • Onboard voltage regulator chip, supports 7-36V wide voltage power supply
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
  • Onboard unibody magnetically isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
  • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over­ voltage proof, lightning proof & anti-electrostatic
  • Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
  • Onboard dedicated relay driver chip, with built-in freewheeling diode protection, the driving ability is stronger and more stable
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
  • High quality relay, contact rating: 1QA 250VAC/30VDC Rail-mounted ABS case, easy to install, safe to use
  • 3 LEDs for indicating the MCU status and signal transceiving status

Product Specifications

OPERATING VOLTAGE7-36V
COMMUNICATION INTERFACERS485
BAUDRATE4800,9600, 19200,38400,57600, 115200, 128000, 256000
DEFAULT COMMUNICATION FORMAT9600, N, 8, 1
RELAY CHANNELS32
CONTACT FORM1NO 1NC
CONTACT   RATING≤1OA  250VAC/30VDC
COMMUNICATION PROTOCOLStandard Modbus RTU protocol
RS485 ADDRESS1-255
LED INDICATORSSTA: MCU indicator, keep flashing when the MCU normally working TXD: TX indicator, lights up when sending data
RXD: RX indicator, lights up when receiving data

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]]> Smart Switches P Series KZIG-P-xG https://kepler-elec.com/2024/04/22/smart-switches-p-series-kzig-p-xg/ Mon, 22 Apr 2024 10:24:44 +0000 https://kepler-elec.com/?p=5116 ZigBee Smart Home Switch

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Smart Switches P Series KZIG-P-xG

ZigBee Smart Home

Full Compatibility with Philips Hue, Amazon Alexa, Google Assistant, Homey, Habitat ………..

Intelligent Lighting Control

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]]> LOYRTU-485 Modbus Remote I/O Communication Module https://kepler-elec.com/2024/04/02/loyrtu-485-modbus-remote-i-o-communication-module/ https://kepler-elec.com/2024/04/02/loyrtu-485-modbus-remote-i-o-communication-module/#respond Tue, 02 Apr 2024 16:15:32 +0000 https://kepler-elec.com/?p=4153 The LOYRTU-485 is a Modbus remote I/O communication module to remote-control Slim series DI/DO and AI/AO extension units.

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LOYRTU-485 Modbus Remote I/O Communication Module

The LOYRTU-485 is a Modbus remote I/O communication module to remote-control Slim series DI/DO and AI/AO extension units. The RTU-485 is a standard Modbus slave compatible with LOYTEC devices featuring a Modbus Interface supporting Modbus master mode.

The LOYRTU-485 is UL, CE, and FCC certified.

Features

  • Supports Modbus protocol, slave mode
  • Connects up to 8 DVP-S series I/O modules
  • Max. baudrate: 115.2k bpsk

LOYRTU-485 Modbus Remote I/O Communication Module Products

LOYRTU-485

LOYRTU-485

Modbus Remote I/O Communication Module

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]]> https://kepler-elec.com/2024/04/02/loyrtu-485-modbus-remote-i-o-communication-module/feed/ 0 LOYUNO-L UNOlite Indoor Air Quality Sensor https://kepler-elec.com/2024/04/02/loyuno-l-unolite-indoor-air-quality-sensor/ https://kepler-elec.com/2024/04/02/loyuno-l-unolite-indoor-air-quality-sensor/#respond Tue, 02 Apr 2024 16:02:55 +0000 https://kepler-elec.com/?p=4136 The LOYUNO-L represents the pinnacle of indoor air quality monitoring, purposefully designed for effortless integration with BAS/BMS systems.

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LOYUNO-L UNOlite Indoor Air Quality Sensor

LOYUNO-L represents the pinnacle of indoor air quality monitoring, purposefully designed for effortless integration with BAS/BMS systems. This advanced instrument detects and analyses a wide range of indoor air quality factors, including Ultra-fine, Fine, and Standard Suspended Particulates (PM1, PM2.5, and PM10), Carbon Dioxide (CO2), Total Volatile Organic Compounds (TVOC), while also monitoring Temperature and Humidity levels.

LOYUNO-L ensures accurate data, serving as a vital component in achieving LEED green or WELL certification for your building. Rigorously tested and certified for its precise sensing capabilities in detecting PM2.5, CO2, and TVOC, LOYUNO-L meets the stringent standards set by WELL v2.

LOYUNO-L comes equipped with LOYTEC Bluetooth Mesh capabilities, seamlessly integrating with the other Bluetooth Mesh enabled devices. This versatile compatibility makes LOYUNO-L equally well-suited for both new construction projects and retrofitting BAS/BMS systems.

Features

  • Multiple IAQ monitors (PM1, PM2.5, PM10, CO2, TVOC, Temperature, Humidity)
  • Supports BACnet MS/TP and Modbus RTU
  • Meets Q1 2022, v2 WELL A08 Requirements
  • Bluetooth Mesh based sensor
  • LEDs for optical air quality feedback and status indication
  • Easy integration on Bluetooth Mesh enabled LOYTEC devices (e.g. LPAD-7)
  • RESET Grade B Accredited Monitor

LOYUNO-L UNOlite Indoor Air Quality Sensor Products

LOYUNO-L

LOYUNO-L UNOlite

UNOlite Indoor Air Quality Sensor

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