Emerson
250, 350
operation manual
Field Wiring, Recommended Loop Wiring
Troubleshooting
Specifications
Install
Select Alarm
Field Wiring
Warranty
Transmitter Configurations
How to
Menu Structure and Features
Page 14
Section
Field Wiring
5
5.0 Recommended Loop Wiring
The following is the recommended loop wiring.
Figure 13. Recommended Loop Wiring
11
Page 13
Page 15
Image 14
Page 13
Page 15
Contents
Instructions
Table of Contents
Icon Key
LTM-350 has Hart Protocol
Warranty
Warranty
General Description
Transmitter Configurations
Transmitter Overview
Product Identification
Gage Mounted Transmitter
Standalone Transmitter
Transmitter with a Stilling-well
Technology Theory of Operation
Transmitter Description
Detailed Description
Configuration options must be chosen at quoting stage
Basic Transmitter Block Diagram
Standalone Installation
Installation
Gage Mount Installation
General Installation Guidelines
Possible transmitter configurations
Clamps do not have to meet
Page
When insulating gages
Insulation against extreme heat/cold
Field Wiring
Recommended Loop Wiring
Following is the Hart Topology
Area Classification Installation Safety
Sensor Probe Specifications
Transmitter Specifications
Electronic Specifications
Hazardous Locations / General Ratings
Menu Structure and Features
Pushbutton Operation
Menu Structure
Main Screen scrolling
Following is the LTM-250/350 LCD Menu Flowchart
Menu Structure …
Change Range
Select Alarm
Description Select PV
LCD Menu examples G R n g e Select Lower Range Value LRV
Offset
Description
Trim Sensor
M S n s r F s
Exit
Description Trim Digital-Analog-Converter DAC
Test Loop
LCD Menu examples I m D a C T L o o p I t ?
MA Out Or % Range
Features
Scroll or Level or Intrface
Features Exclusive to the LTM-250/350 models
Following is a flow chart of the advanced menus
Features Exclusive to the LTM-250/350 models
Features Exclusive to the LTM-250/350 models
Features Exclusive to the LTM-250/350 models
Features Exclusive to the LTM-250/350 models
Transmitter Calibration
LTM Troubleshooting
Troubleshooting
Calibration
Physical and water damage are not covered under warranty
Power Supply Troubleshooting
General Troubleshooting
LTM-350 has Hart Protocol
Hart Protocol General Information
Hart Protocol Menus and Flowchart …
USL
When Interf is PV, Interf is displayed
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