Emerson AMS Installation Guide

• Connect terminal A of the 2-wire sensor to terminal 1 of the CHARM Terminal
Block.
• Connect terminal B of the 2-wire sensor to terminal 2 of the CHARM Terminal
Block.
• Connect the cable shield to a grounding terminal (see Grounding).
5. Ensure that the cable gland, where the sensor cable is led through, is closed to keep
the IP protection class of the AMS Asset Monitor.
6. Continue with the installation or close the door (see Close the AMS Asset Monitor).
5.3 Install a VI Tach CHARM
The VI Tach CHARM is designed for the connection of magnetic pickups, output signals of
eddy current measurement chains, and Hall-effect sensors. The VI Tach CHARM is supplied
by the AMS Asset Monitor. A CHARM Terminal Block is required for the installation. See
installation guide of the VI Tach CHARM for further details. See Installing CHARMs
hardware for the general CHARM installation procedure.
Installing CHARMs hardware Installation Guide
March 2024 MHM-97923-PBF
48 MHM-97923-PBF, Rev. 2.10

Emerson AMS Specifications

General

Output	4-20 mA, Digital
Measurement Type	Vibration, Temperature
Communication Protocol	Modbus, WirelessHART
Operating Temperature Range	-40°C to +85°C
Enclosure Rating	IP66
Power Supply	Battery, External Power