Emerson Transmitter 250 Istruzioni per gli Interventi

Section4Installation4.0 Gage Mount InstallationThe LTM-Series can be mounted to the side of a Magtech LG series level gage using special mounting brac

2. Identify Proper Orientation of Transmitter: There are a few possible orientations of the LTM Series transmitters, they are:Figure 9. Possible tra

4. Remote Mount Electronics Option. Due to process temperature, vibration or accessibility the housing/electronics of the LTM transmitter can be remo

4.3 Insulation (against extreme heat/cold)Magtech strongly recommends that an experienced Magtech Technician do insulation of the magnetic level gages

Section5Field Wiring5.0 Recommended Loop WiringThe following is the recommended loop wiring.Figure 13. Recommended Loop Wiring11

The following is the Hart Topology.Figure 14. HART Loop TopologyPlease visit www.hartcomm2.org to learn more about HART Protocol.12

5.1 Area Classification Installation SafetyIf the instrument is used as an explosion proof (exp) device then exp conduit must be sealed within 18 inch

Section6Transmitter Specifications6.1 Hazardous Locations / General RatingsCSA and CSAUS: Explosion Proof:Class I Div. 1 or 2, Gr

Section7Menu Structure and Features7.0 Pushbutton OperationThe menu structure and pushbutton operation of the LTM series transmitters is simple and u

7.1 Menu StructureMain Screen (scrolling):The menu structure has been designed so the end user can make parameter changes relatively fast and easy.

Table of ContentsSection 1: Warranty ...

The following is the LTM-250/350 LCD Menu FlowchartMagtech MagtechLTM-250 or LTM-350SW Rev1.00.00HW Rev1.00.00Display?Scroll > Level > Intr

7.1 Menu Structure Continued…DescriptionManufacturer and Model:Software Revision Status:This is the current software revision.Hardware Revision Statu

7.1 Menu Structure Continued…DescriptionSelect PV:This menu allows the user to select the measurement that controls the transmitter’scurrent output (

7.1 Menu Structure Continued…DescriptionRate of Change (RoC) Filter:This parameter helps ignore erroneous readings from the transmitter’s surrounding

7.1 Menu Structure Continued…DescriptionTrim Digital-Analog-Converter (DAC):These are factory set parameters used to provide an accurate 4.000mA and 2

7.2 FeaturesThis section will describe in more detail some of the LCD Menus and new features exclusive to models LTM-250/350.Scrolling Option

7.2 Features (Exclusive to the LTM-250/350 models)There is an “advance” menu incorporated into the LTM-250/350 models. To access this menu press and

7.2 Features (Exclusive to the LTM-250/350 models)This section describes the “advance” menus in detail.ComPort: This menu is currently only utilized

7.2 Features (Exclusive to the LTM-250/350 models)Please consult factory before attempting this procedure. Document transmitter’s serial number for

7.2 Features (Exclusive to the LTM-250/350 models)Field Reversible Transmitter (FlipPrb): An important and key feature of the LTM-250 and LTM-350 Mo

Table of ContentsSection 8: Transmitter Calibration and Troubleshooting...

7.2 Features (Exclusive to the LTM-250/350 models)Change Signal (ChngSgnl): The next and final menu in the special features menu is “ChngSgnl” or cha

Section8Transmitter Calibration andLTM Troubleshooting8.0 CalibrationThere really is no need to re-calibrate this instrument. The LTM-Series arrive

2. Water damage to the electronics module or sensor probe. This is potentially the most severe case the symptoms are unpredictable. If there is any s

Section9LTM-350 has HART Protocol9.0 Hart Protocol: General InformationThe LTM-350 is a HART registered and certified instrument. The section presents

9.0 Hart Protocol: Menus and Flowchart (continued…)Basic Setup>>>>>>> >Level Setup>>>>>>>>>> >

9.0 Hart Protocol: Menus and Flowchart (continued…)HART Information>>>>>> > ManufacturerModelUnique IDSerial NumberDateSales Orde

Section1Warranty1.0 WarrantyAll Magtech products are warranted against defects in materials and workmanship for a period of no less than one year fro

Section2Transmitter Overview2.0 General DescriptionThe LTM-Series are 2-wire electronic field instruments, suitable for installation in hazardous and

2.3 Gage Mounted TransmitterThe LTM-Series may be strapped to the outside of the Magtech LG series magnetic level gage. In such an installation, it i

A stilling well may be used along with the transmitter inside the tank. Stilling-well is a pipe external to the sensor probe and float encasing the en

Section3Transmitter Description3.0 Detailed Description The LTM-Series is an assembly of two major components:The Sensor Tube Assembly: This is a 5/8

A high-speed microcontroller is utilized in the design to process and calculate the elapsed time measurement. Accurate crystals are used for the time