HART MicroLink 101-0027C User manual

Installation
Operation &
Specifications
Manual
R3C © Microflex 2021
General Description
The MicroLink 101-0027C is a USB HART® protocol modem. It provides the
hardware interface between Highway Addressable Remote Transducer devices
(HART) and a Windows® PC with a USB-C interface. MicroLink is used for
commissioning, diagnoscs, monitoring, and tesng HART field devices.
Virtual serial port drivers allow the USB MicroLink modem to appear as an
RS-232 com port to Windows and your HART soware.
A rugged design makes MicroLink an ideal choice for field engineers and
technicians who service HART devices in an industrial environment.
MicroLink is compable with all registered HART devices and all leading HART
configuraon and monitoring soware.
101-0027C
HART Protocol Modem - USB Interface

Driver Pre-Installation
The USB drivers should be installed before the MicroLink HART modem is
connected to the PC’s USB port. Aer the drivers are installed, Windows will
automacally detect the modem when it is connected to the USB port and
complete the setup.
To pre-install the drivers, run Msetup.exe
from the included CD. The CD will auto-run
this file if the Windows autorun feature is
enabled for your CD drive.
2
Msetup.exe HART Protocol Setup Utility
Install USB driver before
connecƟng to the USB port.
Important!
Click the Install buon in the 101-0027 window to pre-install the USB drivers.
The driver installer will guide you through the setup process.
Installers can also be run manually from the CD, without running Msetup, by
running \x86\dpinst.exe file for 32 bit operang systems or x\64\dpinst.exe for 64
bit operang systems.
Don’t have a CD drive?
Download the HART Protocol CD image from www.microflx.com/pages/support
Running the file will self-extract the compressed files and
start the Msetup.exe HART Protocol Setup Ulity.

3
Driver inf file - Manually Installed
To manually install the driver inf file...
1. Connect the Converter to the USB port.
2. Open the Windows Device Manager.
3. The New Device Wizard will have added the converter under
Ports (COM & LPT) and will appear as MicroLink HART Protocol Modem
(COMx). Right click the device and select Update Driver SoŌware...
4. Choose to Browse for the driver soware and browse to the CD or the
locaon of the MxHART.inf file.
5. Follow the wizard prompts to complete the driver setup.
Finding the Assigned COM Port Number
When Windows installed the serial port driver the next available COM port
number was assigned to the converter. The soware you use with the converter
must be set to use the same COM port number. To find the number assigned to
your converter run Msetup.exe from the CD and click the Com Port List... buon
to show a list of found devices and assigned COM port numbers.
Com Port List view
MicroLink modem is assigned to COM 7
To use the list...
Unplug the modem from the USB port
and it will be removed from the Com
Port List.
Plug the modem into the USB port and
it will be added to the Com Port List.
Set your HART soware to use the
same COM number assigned to your
modem.
Uninstalling the USB Drivers
If needed, use Windows Device Manager to uninstall the driver from your
system. With the modem connected to the USB port, locate the MicroLink
modem in the Device Manager hardware tree under Ports (COM & LPT). Right
click on MicroLink HART Protocol Modem and select Uninstall from the pop-up
menu. When the process has finished, unplug the modem from the USB port.

4
Click OK to use the new port number and close the window.
Unplug the MicroLink modem from the USB port and then re-connect it to
allow Windows®to update the USB device parameters.
Click OK again to close the Properes window.
Windows Device Manager
The assigned serial COM port
number can be changed to any
available COM port using Windows
Device Manager.
Expand Ports (COM & LPT) in the list
to see which port the converter is
assigned to.
Right click MicroLink HART Protocol
Modem and select Properties from
the pop-up menu.
On the Port Settings tab, click
Advanced.
Drop down the COM Port Number list
and select the desired port number.
Using Windows Device Manager
The assigned COM port number can be found using Windows Device Manager.
Open Device Manager and select View > Devices by Type.
You may need to expand the Device Manager tree under Ports (COM and LPT) to
see the converter.
In the example shown below, the modem is assigned to COM 7.

5
Connecting to the HART Device
Connect the two mini-clips to the HART device or HART loop. MicroLink
provides electrical isolaon between the HART loop and the PC. It is safe to
ignore grounding and polarity issues when making the HART connecons.
The HART protocol requires a loop resistance of 230 to 600 ohms, typically
250 ohms. Refer to your equipment installaon instrucons for details on
connecng a HART protocol modem or configuraon device to the loop.
Software Setup
Make sure your HART soware is set to use the same serial COM port number
that the MicroLink modem is assigned to.
There are no hardware sengs required by the MicroLink modem and modem
power is provided by the USB port. All other sengs, such as BAUD rate and
parity, are taken care of by your HART soware.
LOOP
POWER
SUPPLY
HART
DEVICE
250Ω
COMPUTER
Microflex
LOOP
POWER
SUPPLY
HART
DEVICE
250Ω
COMPUTER
Microflex
MicroLink HART modem connected
across the HART loop resistor.
MicroLink HART modem connected
across the HART device.
Two common methods for connecting the HART modem to a loop powered device.

6
Conformity in accordance with Part 2, and Part 15, Subparts A and B of
the Federal Communications Rules and Regulations, and ICES-003 of the
Industry Canada standards.
This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation. Changes or modifications
not expressly approved by Microflex could void the user’s authority to oper-
ate this equipment.
Emissions EN55022: 1998
Electrostatic Discharge EN61000-4-2: 1995, A1: 1998, A2: 2001
Radiated Immunity EN 61000-4-3: 2002
Safety Compliance EN 60950-1: 2002
This device does not have protection from over-voltages which may exist
on USB ports of computers and relies on the protection existing in a host
computer.
This device is not intended for connection to the phone line through the ap-
propriate converters and shall not be connected to telecommunication lines
because it has no protection against over-voltages which may exist in these
lines.
The user shall ensure the protection of the operator from access to areas
with hazardous voltages or hazardous energy in their equipment.
The user shall ensure that the connection port of the field device and the
modem is separated at least by basic insulation from any primary circuit
existing in the field device.
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Safety Considerations
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7
Enclosure
Molded Buna-N 90 Durometer Rubber with
Stainless Steel Cover
Weight........................................................................................ 5 ounces
Modem Dimensions ............................................ 1.75” x 2.375” x 0.625”
USB
Connector........................................................................................USB-C
Cable Length.................................................................................... 6 feet
Compability......................................................... USB 1.1, USB 2, USB 3
Acve Current .........................................................................30mA Max
Suspend Current................................................. Less than 200μA Typical
HART
Terminaon .............................................. Pamona Electronics Mini-Clips
Leads ............................................. 1 Foot High Flexibility Test Lead Wire
Connecon Method .................Transformer Isolated, Capacitor Coupled
DC Loop Voltage......................................................................50Vdc Max
Demodulaon Jier................................................... 12% of 1 bit Typical
Carrier Detect Threshold................................................... 100mV Typical
Leakage to Process Loop ........................................................ ±10μA Max
Environmental
Operang Temperature..............................-20ºC to 50ºC (-4ºF to 122ºF)
Storage Temperature................................-40ºC to 85ºC (-40ºF to 185ºF)
Humidity........................................................ 0 to 99% (non-condensing)
MicroLink Specifications

Limited Warranty
Microflex, LLC warrants this unit against defects in materials and workmanship for a
period of one year from the date of shipment. Microflex, LLC will, at its option, repair or
replace equipment that proves to be defective during the warranty period. This warranty
includes parts and labor.
A Return Materials Authorization (RMA) number must be obtained from the factory
and clearly marked on the outside of the package before equipment will be accepted for
warranty work.
Microflex, LLC believes that the information in this manual is accurate. In the event that
a typographical or technical error exist, Microflex, LLC reserves the right to make changes
without prior notice to holders of this edition. The reader should consult Microflex, LLC
if any errors are suspected. In no event should Microflex, LLC be liable for any damages
arising out of or related to this document or the information contained in it.
EXCEPTAS SPECIFIED HEREIN, MICROFLEX, LLC MAKES NO WARRANTIES OR
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. CUSTOMER’S
RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE
PART OF MICROFLEX SHALL BE LIMITED TO THE AMOUNT THERETOFORE
PAID BY THE CUSTOMER. MICROFLEX, LLC WILL NOT BE LIABLE FOR
DAMAGES RESULTING FROM LOSS OF DATA, PROFITS, USE OF PRODUCTS,
OR INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF ADVISED OF THE
POSSIBILITIES THEREOF. This limitation of the liability of Microflex, LLC will apply
regardless of the form of action, whether in contract or tort, including negligence. Any
action against Microflex, LLC must be brought within one year after the cause of action
accrues. The warranty provided herein does not cover damages, defects, malfunctions, or
service failures caused by owners failure to follow Microflex, LLC’s installation, operation,
or maintenance instructions; owners modification of the product; owner’s abuse, misuse, or
negligent acts; and power failure or surges, fire, flood, accident, actions of third parties, or
other events outside reasonable control.
Microflex, LLC
35900 Royal Road
Pason, Texas 77423
USA
The HART protocol is supported by the FieldComm Group in Ausn Texas, www.fieldcommgroup.org.
HART is a registered trademark of the FieldComm Group.
Phone [phone]
Fax [phone]
www.microflx.com