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Avyanna AT-44M 4-Port RS-232/422/485 Modbus Gateway

Product Description

The Avyanna Tech AT-44M is a four-port industrial Modbus gateway connecting RS-232/422/485 equipment with Ethernet Modbus TCP/IP systems. Its four selectable serial ports and Modbus RTU/ASCII support help integrate serial industrial instruments with IP-based control networks.

Key functions include 4 software-selectable RS-232/422/485 ports; modbus TCP to Modbus RTU / ASCII integration; 10/100Base-T Ethernet communication. Check the product specifications for supported electrical, interface, installation and operating requirements before selecting equipment for your system.

Applications

Product Specifications

General
ManufacturerAvyanna Tech
Model / MPNAT-44M
Product Type4-Port RS-232/422/485 Modbus Gateway
Connectivity & Configuration
Ethernet1 × 10/100Base-T
Ethernet ProtectionBuilt-in 1.5 kVDC magnetic isolation
Serial InterfacesRS-232/422/485, software selectable
Serial Ports4
Serial ConnectorDB9 & Terminal Block
Data Bits8, 9 (including parity)
Stop Bits1 or 2
ConfigurationWindows Utility, Web-based
Operation ModesModbus RTU Client/Server; Modbus ASCII Client/Server
ProtocolsICMP, ARP, DHCP, UDP, TCP/IP, IPv4, HTTP, Modbus TCP/IP
Modbus IntegrationModbus TCP, Modbus RTU, Modbus ASCII
Serial Signal ProtectionBuilt-in 8-kV ESD protection
Power & Protection
Operating Voltage9–36 VDC
Power Consumption4.2 W @ 12 V; 4.8 W @ 24 V
Physical & Environmental
Operating Temperature0°C to 60°C
Operating Humidity20%–95% RH, non-condensing
MountingDIN rail
EnclosureMetal
IP RatingIP54
Compliance & Origin
CertificationRoHS
Country of OriginIndia
Other Specifications
ConnectionsUp to 10 connections per serial port under Modbus client mode

Product Features

  1. 4-Port Serial Connectivity: Four software-selectable RS-232/422/485 serial interfaces for flexible industrial integration.
  2. Ethernet Gateway: 1 × 10/100Base-T Ethernet port bridges serial Modbus devices to IP networks.
  3. Protocol Conversion: Integrates Modbus TCP with Modbus RTU and Modbus ASCII networks.
  4. Multi-Connection Support: Supports up to 10 connections per serial port under Modbus client mode.
  5. Industrial Protection: Built-in 8-kV ESD protection for serial signals and 1.5 kVDC magnetic isolation on Ethernet.
  6. Flexible Configuration: Windows utility and web-based configuration with Modbus RTU/ASCII Client/Server modes.
  7. Rugged Construction: DIN-rail mountable metal enclosure with IP54 protection.
  8. Wide DC Supply: Operates from 9–36 VDC for industrial installations.

Package Includes

  • 1 × Avyanna Tech AT-44M 4-Port Modbus Gateway

Power supplies, cables and optional accessories are included only if specified in the order.

Frequently Asked Questions

What is the Avyanna AT-44M — RS-232/422/485 Modbus Gateways used for?
Avyanna AT-44M — RS-232/422/485 Modbus Gateways
What are its main features?
1 x 10/100 Mbps Ethernet port; Integrates Modbus TCP and Modbus RTU/ASCII networks; Supports up to 10 connections per serial port under Modbus client mode; Software-selectable RS-232/422/485-2w/485-4w communication.
What are the power or battery requirements?
Operating Voltage: 9–36 VDC. Match the supply or charger to these specifications before connecting the product.
Which interfaces or communication protocols does it use?
Ethernet: 1 × 10/100Base-T; Ethernet Protection: Built-in 1.5 kVDC magnetic isolation; Serial Interfaces: RS-232/422/485, software selectable; Protocols: ICMP, ARP, DHCP, UDP, TCP/IP, IPv4, HTTP, Modbus TCP/IP. Check that your host, gateway or controller supports the listed interface and required configuration.
What is included in the package?
A package-content list is not specified for Avyanna AT-44M — RS-232/422/485 Modbus Gateways. Confirm the supplied quantity and any required cables, power supplies, batteries or mounting accessories before ordering.

Other Information

Applications & Use Cases
  • Industrial Automation
  • Remote Equipment Management
  • Building Management Systems (BMS)
  • SCADA Systems
  • Transportation & Utilities
Warranty Information

1 year warranty, subject to TwoElectrons warranty terms and conditions.

Shipping & Returns Policy

Shipping and returns are subject to the standard TwoElectrons Shipping & Returns Policy.

Country of Origin: India

Warranty Information

1 Year Seller Warranty

This item is covered with a standard warranty of 1 year from the time of delivery against manufacturing defects only. This warranty is given for the benefit of TwoElectrons customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What Voids Warranty

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Shipping & Returns Policy

Shipping Policy:
  • In-stock items are delivered within 7-10 working days for orders within India. Delivery varies based on location and courier service.
  • In-stock items are delivered within up to 20 working days for orders outside India. Delivery varies based on location and courier service.
  • If the item is out of stock, you can still place an order. The estimated delivery time will be notified to you by email.
Return & Refund Policy:
  • Return window: 7 days from receipt unless stated otherwise.
  • No refunds or replacements after the return window.
  • Returns are accepted only for non-working or damaged products.
  • Initiate return requests from here: Return Request or contact us at 09831070550.
  • Refunds are processed within 3-4 working days after inspection and approval.

Main Features

  • 4 software-selectable RS-232/422/485 ports
  • Modbus TCP and Modbus RTU / ASCII connectivity
  • 10/100Base-T Ethernet access
  • Up to 10 Modbus client connections per serial port
  • 9–36 VDC DIN-rail mounting
SKU: 2EEN20172
₹ 36,200.00
For bulk orders, volume pricing & B2B enquiries, contact our team →

Lead time

QUANTITY DISPATCH
1-10 units Order from India: 7-10 working days
Order outside India: Up to 20 working days
10+ units To be negotiated
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