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Deep Sea DSE857 Front View

Deep Sea Electronic DSE857 USB to RS485 Communication Device - MODBUS RTU Gateway

by Deep Sea Electronic

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The DSE857 USB-to-RS485 communication device is a compact interface module designed to convert a compatible DSE controller's USB port into an RS485 communication port. This enables long-distance MODBUS RTU communication and seamless integration with external systems such as PLCs and Building Management Systems (BMS).

By providing an RS485 output, the DSE857 allows remote communication over distances of up to 1.2 km, making it ideal for industrial and commercial installations where the controller is located far from monitoring or control equipment. The module supports the MODBUS RTU protocol, allowing integration into supervisory control systems or connection to a PC running DSE Configuration Suite software.

Configuration is easily completed using the DSE Configuration Suite PC software, enabling remote monitoring and control of supported DSE controllers. LED status indicators on the device provide clear visual feedback for operation and fault diagnosis.

Designed for panel installation, the DSE857 mounts securely onto a standard DIN rail and operates across a wide DC voltage range of 8ā€“35 V. Its rugged construction and industrial operating-temperature range make it suitable for demanding generator applications.

Compact, reliable, and purpose-built for MODBUS RTU integration, the DSE857 provides a practical solution for extending communication capabilities across large sites.

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Specification

Model: DSE857

Power Supply: 8-35V DC continuous

Maximum Operating Current: 123mA @ 12V, 71mA @ 24V

Maximum Standby Current: 104mA @ 12V, 63mA @ 24V

Connectivity: USB B (connects directly to a single compatible DSE controller), RS485-2wire (MODBUS RTU communication output), DC power input (For device supply)

Communications: USB (single DSE controller), RS485 (MODBUS RTU)

Operating temperature: -30Ā°C to +70Ā°C

Storage temperature: -40Ā°C to +80Ā°C

Product Dimensions (W x H x D): 35 x 97 x 102 mm

Weight: 160g

Mounting: DIN Rail

Features

USB to RS485 conversion - Converts supported DSE controller USB port into RS485 communication.

MODBUS RTU support - Enables integration with PLCs and BMS systems.

Long distance communication - Supports RS485 connections up to 1.2km.

LED status indicators - Provides clear operational and diagnostic feedback.

DIN rail mounting - Secure panel installation.

Firmware upgradeable - Update via USB memory device.

FAQs

Q: What does the DSE857 do?
A: It converts a compatible DSE controller's USB port into an RS485 MODBUS RTU communication port.

Q: How far can RS485 communication run?
A: Up to 1.2km under suitable installation conditions.

Q: Does it support Ethernet or GSM?
A: No, the DSE875 supports USB and RS485 (MODBUS RTU) only.

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We leverage the services of Australia's top-tier courier companies, ensuring the swiftest and most efficient delivery nationwide. Our freight shipments travel via Road Express, and we extend comprehensive insurance coverage to safeguard your goods throughout the shipping journey.

We have Warehouse locations from:

MelbourneĀ  03-9013 4400 SydneyĀ  02-8005 6040 Brisbane 07-3102 5700 Perth 1800-436-372