The MTL4841 is a compact communications module from MTL Instruments, part of the MTL4840 series. It enables robust RS485 data exchange between field HART® devices and host systems. Designed for instrument management, the MTL4841 allows users to build scalable and efficient HART® networks. You can integrate it seamlessly with up to 16 MTL4842 interface modules for complete field device communication.

Technical Specifications

• Manufacturer: MTL Instruments
• Series: MTL4840
• Product Type: Communications Module
• Application: HART® instrument management systems
• Interface Type: RS485, 2-wire multidrop
• Maximum Modules per Host: 31 MTL4841 modules
• Unit Addressing: Switch-selectable on top of the module
• Baud Rates: 1.2, 9.6, 19.2, 38.4 kbaud (switch-selectable)
• Maximum Highway Length: 1 km
• Isolation: RS485 output isolated from backplane power
• Connects with up to 16 MTL4842 modules
• Uses a backplane interface bus or ribbon cable
• Power Supply: Supplied via backplane
• Power Consumption: Less than 1.0W
• LED Indicator: One green LED shows power and status
• Compatible with leading HART® instrument management software
• See specific documentation for supported packages
• ​Weight: 0.30 kg