MTL MTL4841 HART Communications Module

Overview

The MTL4841 is a high-performance HART Communications Module designed for industrial automation systems. It ensures fast, reliable communication between HART-enabled field devices and host stations. Built for flexibility and integration, it connects easily into RS485 multidrop networks and supports up to 31 modules per host. This module fits into the MTL4840 Series and replaces earlier MTL4851/4852 units. It is ideal for environments requiring dependable HART connectivity and configuration.

Technical Specifications

• Model: MTL4841

• Product Type: HART Communications Module

• Manufacturer: Eaton (MTL Instruments)

Host System Interface

• Interface Type: RS485 2-wire multidrop

• Max Modules Per Host: 31 modules

• Unit Address: Switch-selectable (top of module)

• Baud Rates: 1.2, 9.6, 19.2, 38.4 kbaud (switch-selectable)

• RS485 Highway Length: Up to 1 km

• Output Isolation: RS485 output isolated from backplane power

MTL System Interface

• Module Connectivity: Links with up to 16 MTL4842 HART modules

• Interface Method: Via backplane or ribbon cable

Power and Indicators

• Power Supply: From system backplane

• Power Consumption: <1.0 W (typical with 1 MTL4841 + 4 MTL4842 modules = 1.35 W)

• LED Status: One green LED for power/status

Environmental and Mechanical

• Operating Temperature: -40°C to +70°C

• Weight: 0.30 kg