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If Micro Motion is not listed, or you do not see the required device description, use the
Field Communicator Easy Upgrade Utility to install the device description, or contact
Micro Motion.
Field Communicator menus and messages
Many of the menus in this manual start with the On-Line menu. Ensure that you are able to
navigate to the On-Line menu.
As you use the Field Communicator with a Micro Motion transmitter, you will see a number
of messages and notes. This manual does not document all of these messages and notes.
Important
The user is responsible for responding to messages and notes and complying with all safety
messages.
D.2 Connect with the Field Communicator
A connection from the Field Communicator to your transmitter allows you to read process
data, configure the transmitter, and perform maintenance and troubleshooting tasks.
You can connect the Field Communicator to the primary mA terminals on the transmitter,
to any point in a local HART loop, or to any point in a HART multidrop network.
CAUTION!
If the transmitter is in a hazardous area, do not connect the Field Communicator to the mA
terminals on the transmitter. This connection requires opening the wiring compartment, and
opening the wiring compartment in a hazardous area can cause an explosion.
Important
If the HART security switch is set to ON, HART protocol cannot be used to perform any action that
requires writing to the transmitter. For example, you cannot change the configuration, reset
totalizers, or perform calibration using the Field Communicator or ProLink II with a HART connection.
When the HART security switch is set to OFF, no functions are disabled.
Prerequisites
The following HART device description (DD) must be installed on the Field Communicator:
Density Gas Viscosity Meter Dev v1 DD v2 or later.
Procedure
1. To connect to the transmitter terminals:
a. Remove the transmitter end-cap.
b. Attach the leads from the Field Communicator to terminals 1 and 2 on the
transmitter and add resistance as required.
The Field Communicator must be connected across a resistance of 250–600 Ω.
Using the Field Communicator with the transmitter
224 Micro Motion
®
Fork Viscosity Meters (FVM)