ABB LST400 Operating Instructions Manual
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ABB LST400 Operating Instructions Manual

Ultrasonic level. open channel flow transmitter
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ABB MEASUREMENT & ANALYTICS | OPERATING INSTRUCTION
LST400 Ultrasonic level
Open channel flow transmitter
Introduction
—
Ultrasonic level
This operating instruction manual provides the
products
following information:
– Quick start guide for distance, level and flow -
– Guidelines on changing parameters - see page 5
– Installation instructions - see page 6
see page 4
Measurement made easy
For more information
Further publications for LST400 are available for
free download from
http://new.abb.com/products/
measurementproducts

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Summary of Contents for ABB LST400

  • Page 1 Measurement made easy Introduction For more information — Ultrasonic level This operating instruction manual provides the Further publications for LST400 are available for products following information: free download from – Quick start guide for distance, level and flow - http://new.abb.com/products/...

  • Page 2: Table Of Contents

    Graphic echo screen ....18 ABB RMA Form ..... . . 35...

  • Page 3: Introduction

    In distance mode the LST400 measures distance from the transducer. This means the 20mA will be the furthest point and the 4mA will be the closest point. In level mode the LST400 measures level in a tank. This means at the furthest point or when the tank is empty, the instrument will read 4mA.

  • Page 4: Quick Start

    This allows the technician to set up LST400 without the aid of a complicated source-code book. There are no mA Output: 17.47mA references to any codes in LST400. The set up procedure is all Instant: 6.00 ft menu-driven with the aid of questions and multiple-choice Temperature: 20°C...

  • Page 5: Changing Parameters

    Enter Code: Instant: 6.00 ft 5000 Temperature: 20°C Percentage: 20.00% If the security code has been changed and forgotten then contact the nearest ABB agent for override code. To carry on Scroll Down Enter with programming go to page 9.

  • Page 6: Installation

    The LCD display should not be facing direct sunlight as this can cause the display to fail. LST400 should be fixed to a wall or chassis plate using the four holes provided. • Do not install LST400 in areas of high vibration as this may cause failure.

  • Page 7: Key Description

    The factory default code is 5159. This code can be changed in the programming mode. If you forget LST400 is “user friendly” having only 5 keys and a menu driven the security code please contact your local ABB agent for the display.

  • Page 8: Configuration Distance / Level

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E 5 Configuration distance / level DISTANCE / LEVEL MODE BASIC...

  • Page 9: Distance / Level Mode

    By increasing the rate of change (13.1 ft/min) it will This prompt will allow you to display in your own engineering allow the LST400 to monitor rapid changes in level. If the level units and can be made up from alphanumeric characters.
  • Page 10 DEFAULT 1.65 ft Activate lineariser Pump cycle This function activates the lineariser. Select the type of pump control that is required. The LST400 DEFAULT No has two pump cycling routines which can be used to efficiently Set point distribute the run cycles between various pumps that serve a common purpose.
  • Page 11 L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Set point 1 Set point 12 Height...

  • Page 12: Configuration Flow

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E 6 Configuration flow FLOW MODE BASIC...

  • Page 13: Flow Mode

    Units can be set via the alphanumeric display to the desired change. By increasing the rate of change (13 ft/min) it will allow value. the LST400 to monitor rapid changes in flow. If the level moves DEFAULT LT/SEC faster than 1.65 ft/min then increase the rate of change. If a more stable output is required decrease the rate of change (1.0...
  • Page 14 This is the number at which point the user is inputting a linearized point. Pump cycle Select the type of pump control that is required. The LST400 Height/percentage has two pump cycling routines which can be used to efficiently Height is the distance of the flume from the bottom to a point distribute the run cycles between various pumps that serve a where a suitable percentage volume can be determined.
  • Page 15 L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Set point 1 Set point 12 Height...

  • Page 16: Working With The Key Pad In Run Mode

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Working with the key pad in run mode ENTER In run mode the...

  • Page 17: Run Mode Screen In Distance/Level Mode

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Run mode screen in distance/level mode Graphical representation of percentage fill.

  • Page 18: Graphic Echo Screen

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Graphic echo screen ENTER Pressing...

  • Page 19: Examples

    Mode DISTANCE Empty distance 16.5 ft / 5.00 m Below is what LST400 will display on the application above. Relay 1 will switch on (set) when the level rises above 13.2 ft / Span 14.85 ft / 4.50 m 4.00 m and reset when the level goes below 11.55 ft / 3.50 m.

  • Page 20: Level Measurement And Engineering Units

    Empty distance 16.5 ft / 5.00 m Span 14.85 ft / 4.50 m 8.20 ft / 2.50 m Below is what LST400 will display on the above application. The analogue output should be approximately 19.11 mA. Security code 5159 Mode LEVEL ENG 37.77 LIT...

  • Page 21: Level Measurement Using The Lineariser Function With A Non-Linear Vessel

    Security code 5159 • When finished press Mode LEVEL Empty distance 16.5 ft Shown to the left is what LST400 will display on the above Span 14.76 ft application. The analogue output should be approximately Blanking 1.63 ft 18.80mA. Rate of change 3.28 ft/min...

  • Page 22: Venturi Flume

    Note: Due to the curve of the graph being non-linear all 21 the bottom of the flume. points are needed from the lineariser. Security code 5159 The display shown to the bottom right is what LST400 will Mode FLOW display on the above application. The analogue output should Empty distance 3.94 ft / 1.20 m...

  • Page 23: V-Notch

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Shown to the right is what LST400 will display on the above Below is what LST400 will display on the above application.

  • Page 24: Working With The Simulator

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Working with the simulator Relay 1 will set above 13.3 ft / 4.00 m and reset below 11.55 ft / 3.50 m...

  • Page 25: Fifo (First In First Out) Pump Cycling

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Fifo (first in first out) pump cycling The following will occur in the FIFO pump cycling routine: Relay...

  • Page 26: Rotate Pump Cycling

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E Rotate pump cycling The following will occur in the Rotate pump cycling routine: Relay...

  • Page 27: Fault Finding

    • Are the parameters correct? Reset to factory default and in the field then there are many possible problems. A list of check that LST400 reads correctly. If the factory settings possible problems follow. are OK then your parameters need to be changed. Re- check these parameters with a tape measure.

  • Page 28: Terminal Connections

    DIP SW2 • Active Current Output Mode(do not need external power LST400 can be powered by 220VAC, 110VAC or 24VDC. Follow supply): SW2 CH 1&2 ON, CH3 OFF; below connections for different powers. • Passive Current Output Mode(need external power •...
  • Page 29 L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E 4-20mA (including HART Communication) Relays (Relay Output) • Max. 5 relays can be set for LST400 (Relay 1 – 5) Active Mode • Type: 1 Form C (Changeover) •...

  • Page 30: Dimensions

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E 11 Dimensions Transmitter Mounting Kit...
  • Page 31 L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E General purpose 15m Sensor Corrosion resistant 15m sensor •...
  • Page 32 L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E...

  • Page 33: Warranty

    KM26 Magnetic Liquid Level Gauges; MagWave Dual Chamber any point in the world with transportation prepaid by ABB for System; LS Series Mechanical Level Switches (LS500, LS550, best-way transportation only. ABB is not responsible for LS600, LS700, LS800 &...

  • Page 34: Customer Support

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E 13 Customer support ABB Engineering (Shanghai) Ltd. No. 4528, Kangxin Highway Pudong District, Shanghai 201319, P.R.

  • Page 35: Abb Rma Form

    L S T4 0 0 | U LT R A S O N I C L E V E L T R A N S M I T T E R | O I/ L S T4 0 0 - E N R E V. E ABB RMA Form ABB Engineering (Shanghai) Ltd. No. 4528, Kangxin Highway Pudong District, Shanghai 201319, P.R.
  • Page 36 We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document.

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