Emerson LTM-300 manual

PH: 281/488-0788 FAX: 281/488-7080

EMAIL: magtech@isemagtech.com www.isemagtech.com

LTM-300 Series

Magnetostrictive Level Transmitter

Instruction & Operation Manual

3902 Magnolia Road Pearland. Texas. 77584

Jan 2009

Contents

Main LTM-300 Magnetostrictive Level Transmitter Instruction and Maintenance Manual Table of Contents SECTION 1. Transmitter Overview 1.0 General Description 1.1 Level Transmitter 1 1.2 Gage Mounted Transmitter LTM-300 Mounting Conguration Style B & C LG Series Gage SECTION 2. Instrument Description 2.0 Transmitter Detailed Description 2.1 Theory of Operation Basic Level Transmitter Simplied Block Diagram 2 SECTION 3. Installation and Wiring 3.0 Strap-On Transmitter Installation 3.1 Standalone Transmitter Installation INTERCONNECT WIRING (CSA & FM) 3 Range: 12 to 30 ft. SECTION 5.0 Calibration SECTION 4. Specications 5.0 LTM-300 Output Congurations FRONT PANEL 4.0 Transmitter Electrical Specications 3.2 Recommended Wiring, Single Loop Page 6.4 Start-Up for Gage-Mounted LTM Transmitters SECTION 6. Troubleshooting and Maintenance 6.0 Diagnostics are Via HART 6.1 Calibration Problems TERMINAL BOARD 6.3 Troubleshooting Power Supply Problems 6.2 Magnetic Interface SECTION 7. Field Insulation of Gages with Transmitters 7.0 Field Insulation 7 7.1 Insulation Warning Label Supplied ----------WARNING--------- (When Insulating Gages) SECTION 8. Warranty and HART Protocol 8.0 Warranty Diagnostics and Service HART Communicator Overview 8 8.1 HART Protocol Option Information Page Page Output Current (DAC) Calibration 11 Zero Level Trim calibration constant. 12 Full Level Trim Zero Temperature Trim 13 Full Temperature Trim 14 Basic Setup Procedures Reranging the Transmitter Setting the Measurement Value for 4mA and 20mA by Keypad 15 Reranging the Transmitter Setting the Measurement Value for 4mA and 20mA by Apply Values Detailed Setup Selections 17 Probe Length 3902 Magnolia Road, Pearland. Texas. 77584 18 PH: 281/488-0788 FAX: 281/488-7080 Level O set