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Microflex Manuals & User Guides

Microflex manufactures reliable HART® protocol modems, RS-485 USB interfaces, and communication tools for configuring industrial networks and devices.

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Microflex, LLC is an innovative manufacturer of communications links and protocol modems for HART® devices (Highway Addressable Remote Transmitter). Their product range includes the widely utilized MicroLink USB HART protocol modems, DIN rail mount RS-485 converters, and HM Series configuration software tools that continuously poll field devices to store variable data into Modbus registers. Designed for industrial professionals, Microflex modems simplify software development by managing handshake timing internally and guarantee high compatibility with standard HART configuration testing software.

Microflex manuals

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microflex 101-0032 Manual Arahan Antara Muka USB Modem Protokol HART

microflex 101-0032 Manual Arahan Antara Muka USB Modem Protokol HART

24 November 2025
microflex 101-0032 HART Protocol Modem USB Interface Specifications: Enclosure Polycarbonate plastic with Stainless Steel Cover Weight ........................................................................................5 ounces USB Connector .................................................................................. USB-B Compatibility........................................... USB 1.1, USB 2.0, and USB 3…

Microflex support FAQ

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  • Where can I download the Microflex HART Protocol Setup Utility?

    You can download the latest HART products setup software directly from microflx.com/products/hart-setup. Extract the downloaded folder and run the Msetup.exe file untuk membuka utiliti tersebut.

  • How do I find the assigned COM port number for my MicroLink modem?

    Open Windows Device Manager and select 'View > Devices by Type'. Expand the 'Ports (COM & LPT)' tree to locate the MicroLink HART Protocol Modem and identify its assigned COM port.

  • What loop resistance is required for the Microflex HART protocol?

    The HART protocol requires a loop resistance of 230 to 600 ohms, typically 250 ohms. You can connect the two screw terminals or mini-clips directly to your HART device or HART loop, ignoring grounding and polarity issues since Microflex provides electrical isolation.

  • What do the status LED colors indicate on a MicroLink modem?

    When connected with drivers installed, a green LED indicates the modem is enumerated and ready. A red LED means the modem is actively transmitting a HART packet, and an orange LED indicates it is receiving a HART reply.