Model code
Device nickname
I/O
Electronics mounting
SGM*****C
SGM mA
•
Two mA Outputs
•
RS-485 terminals
Integral
SGM*****D
SGM DO
•
One mA Output
•
One Discrete Output
•
RS-485 terminals
Integral
SGM*****E
SGM Fixed
•
One Time Period Signal output
•
One mA Output fixed to
temperature
Integral
Restriction
The SGM mA and SGM DO support a complete set of application and configuration options. The SGM TPS and
SGM Fixed support a subset of application and configuration options. Refer to the product data sheet for
details.
1.4 Communications tools and protocols
You can use several different communications tools and protocols to interface with the device. You may use
different tools in different locations or for different tasks.
Communications tool
Supported protocols
ProLink III
•
Modbus/RS-485
•
HART/Bell 202
•
Service port
Field communicator
HART/Bell 202
Tip
You may be able to use other communications tools from Emerson Process Management, such as AMS Suite:
Intelligent Device Manager, or the Smart Wireless THUM
™
Adapter. Use of AMS or the Smart Wireless THUM
Adapter is not discussed in this manual. For more information on the Smart Wireless THUM Adapter, refer to
the documentation available at
.
1.5 Related documentation
You can find all product documentation on the product documentation DVD shipped with the product or at
.
See any of the following documents for more information:
•
Micro Motion Specific Gravity Meters (SGM) Product Data Sheet
•
Micro Motion Specific Gravity Meters (SGM) Installation Manual
•
Modbus Interface Tool
Before you begin
Configuration and Use Manual
March 2021
MMI-20020954
8
Micro Motion Gas Specific Gravity Meters (SGM)