ABB AX410 User Manual
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ABB AX410 User Manual

ABB AX410 User Manual

Single and dual input analyzers for low level conductivity
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See also: Manual
User Guide
Single and Dual Input Analyzers for Low
IM/AX4CO
Issue 11
Level Conductivity
AX410, AX411, AX413, AX416, AX418, AX450, AX455
& AX456

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Summary of Contents for ABB AX410

  • Page 1 User Guide Single and Dual Input Analyzers for Low IM/AX4CO Issue 11 Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456...

  • Page 2: Electrical Safety

    Cert. No. Q 05907 As a part of ABB, a world leader in process automation technology, we offer customers application expertise, service and support worldwide. EN 29001 (ISO 9001) We are committed to teamwork, high quality manufacturing, advanced technology and unrivalled service and support.

  • Page 3: Table Of Contents

    1 INTRODUCTION .............. 2 6 INSTALLATION ............. 50 System Description ..........2 Siting Requirements ..........50 PID Control - AX410 and AX450 Analyzers Only ..2 Mounting ............... 51 AX400 Series Analyzer Options ........ 2 6.2.1 Wall-/Pipe-mount Analyzers ....... 51 6.2.2 Panel-mount Analyzers .......

  • Page 4: Introduction

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 1 INTRODUCTION 1 INTRODUCTION 1.2 PID Control - AX410 and AX450 Analyzers Only The AX410 and AX450 single input conductivity analyzers incorporate Proportional Integral Derivative (PID) control as 1.1 System Description...

  • Page 5: Operation

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 2 OPERATION 2 OPERATION 2.2.1 Membrane Key Functions 2.1 Powering Up the Analyzer Menu 1 Warning. Ensure all connections are made correctly, especially to the earth stud - see section 6.3, page 53.
  • Page 6 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 2 OPERATION Use the Menu Key Use the Sidescroll Key to scroll through the Pages within each Menu to scroll through the Menus Section 2.3, Page 6...
  • Page 7 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 2 OPERATION Use the Menu Key Use the Sidescroll Key to scroll through the Pages within each Menu to scroll through the Menus Section 5.5, Page 34...

  • Page 8: Operating Page

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 2 OPERATION 2.3 Operating Page 2.3.1 Single Input Conductivity Measured Values 0. 8 83 uS/cm Conductivity. 24. 8 Temperature. Deg.C Conductivity Notes.

  • Page 9: Dual Input Conductivity

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 2 OPERATION 2.3.2 Dual Input Conductivity Measured Conductivity 0. 8 83 uS/cm Sensor A. 0. 8 92 Sensor B. uS/cm Dual Cond.
  • Page 10 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 2 OPERATION Calculations A range of computed dual conductivity readings can be displayed, each showing the result of a calculation performed by the analyzer.

  • Page 11: Operator Views

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 3 OPERATOR VIEWS 3 OPERATOR VIEWS 3.1 View Set Points View Set Points This page shows alarm set points. The value of each of the set points is shown, ----- together with the name of the parameter it's assigned to.

  • Page 12: View Outputs

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 3 OPERATOR VIEWS 3.2 View Outputs Theoretical Analog Output There are up to four analog outputs, each showing information for one sensor.

  • Page 13: View Hardware

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 3 OPERATOR VIEWS 3.3 View Hardware ----- VIEW HARDWARE Sensor A Module Shows the type of input board fitted to the analyzer for the Sensor A input.

  • Page 14: View Software

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 3 OPERATOR VIEWS 3.4 View Software ----- VIEW SOFTWARE Issue Shows the version number of the software. 0. 0 1 AX450/2000 Issue Option board fitted and analog features enabled (Section 7.3) and...

  • Page 15: View Logbook

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 3 OPERATOR VIEWS 3.5 View Logbook Note. The View Logbook function is available only if the option board is fitted and analog features enabled (Section 7.3) and is set to On (Section 5.10).
  • Page 16 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 3 OPERATOR VIEWS Alarms View Logbook Cals Use the keys to access the logbook. Errors Power ----- Errors Errors logbook, the display shows No More Entries.
  • Page 17 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 3 OPERATOR VIEWS Power View Logbook Errors Use the keys to access the logbook. Cals Alarms ----- Cals logbook, the display shows No More Entries.

  • Page 18: View Clock

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 3 OPERATOR VIEWS 3.6 View Clock Note. The View Clock function is available only if the option board is fitted and analog features enabled - see section 7.3, page...

  • Page 19: Setup

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 4 SETUP 4 SETUP 4.1 Sensor Calibration Note. Sensor calibration is not usually required as the cell constant 'K' assigned to a cell is sufficiently accurate for most applications.
  • Page 20 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 4 SETUP A: Calibration set to Edit Sensor Slope 11. 0 8 mS/cm Measured conductivity value. Sensor slope value. 1. 0 00...

  • Page 21: Programming

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5 PROGRAMMING 5.1 Security Code Note. This frame is displayed only if is not set to zero - see section 5.9, page Alter Sec.

  • Page 22: Configure Display

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.2 Configure Display ----- CONFIG. DISPLAY Set Language Sets the language to be used on all displays. ----- Set Language...

  • Page 23: Configure Sensors

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.3 Configure Sensors ----- CONFIG. SENSORS Configure Sensor A ----- Cond. Config. Sensor A Sensor B configuration (dual input analyzers only) is identical to Sensor A configuration.
  • Page 24 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING M.Ohms mS/m Conductivity Units mS/cm uS/m Units can be programmed to suit the range and application. Select the required units, ensuring uS/cm the range does not exceed the display limit of 10,000 μS cm...
  • Page 25 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Temperature Compensation Range Hi TC Select a temperature compensation range to suit the sample temperature: Lo TC ----- Raw conductivity measurement without temperature compensation.
  • Page 26 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING A: T.Comp Range set to NaCl Lo TC Low Range Temperature Compensation NaOH Acid Select the type of low range (0 to 100ºC [32 to 212ºF]) temperature compensation...
  • Page 27 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING A: T.Comp Range set to Hi TC Acid High Range Temperature Compensation Neutrl Select the type of high range (0 to 200ºC [32 to 392ºF]) temperature compensation...
  • Page 28 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Temperature Sensor Select the type of temperature sensor used, Pt100 or Pt1000. Pt100 Pt1000 ----- A: Temp.Sensor Temperature Coefficient Notes.
  • Page 29 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Configure Sensor B (dual input analyzers only) Sensor B configuration is identical to Sensor A configuration. ----- Config. Sensor B Continued on next page.
  • Page 30 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Signal Calculation (dual input analyzers only) Signal Notes. • If the units selected for are not identical (page 22), no ----- Calc.
  • Page 31 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING After-cation Limit Note. Displayed only if is set to Signal Calc. Inf.pH(NH3) Inf.pH(NH3+NaCl) 0. 0 60 Inf.pH(NaOH) uS/cm Set the required after-cation conductivity limit, between: After Cat.

  • Page 32: Configure Alarms

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.4 Configure Alarms ----- CONFIG. ALARMS Configure Alarm 1 ----- Config. Alarm 1 Alarm 2 and 3 configuration (and Alarms 4 and 5 if option board fitted and analog Config.
  • Page 33 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING set to A1: Type % Pass Alarm Temp.B Alarm 1 Assign Sen.B Select the alarm assignment required: Temp.A ----- Sen.A Sen.A...
  • Page 34 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING A1: Type USP645 USP Offset Enables the USP645 alarm set point value to be adjusted for increased process protection, i.e. the USP alarm set point value in Table 5.3 is offset by the amount 0.
  • Page 35 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Note. The following examples illustrate , i.e. the alarm is activated when the process variable exceeds the High Alarm Actions defined set point.

  • Page 36: Configure Outputs

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.5 Configure Outputs ----- CONFIG. OUTPUTS Configure Output 1 ----- Config. Output 1 Output 2 configuration (and Outputs 3 and 4 if option board fitted and analog features Config.
  • Page 37 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Range 0-10mA Set the analog output current range for the selected output. 0-20mA ----- 4-20mA AO1: Range Linear Curve Bi-Lin Select the analog output scale required.
  • Page 38 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Span Value 100. 0 uS/cm are shown alternately on the upper display line. Use the uS/cm Adjust keys to adjust the displayed reading to the required span value. This is Point A in 0.
  • Page 39 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Default Output Select the system reaction to failure: ----- Hold Ignore failure and continue operation. Stop on failure. This drives the analog output to the level set in the AO1: Default O/P frame below.
  • Page 40 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Conductivity Cell Maximum Maximum Effective TDS Range (ppm, mg/kg and mg/l) Constant (K) Conductivity TDS Factor (examples) Range (µS cm 0.40...

  • Page 41: Output Functions

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.6 Output Functions 5.6.1 Bi-Linear Output Span Value Breakpoint Zero Conductivity Measurement Value Fig. 5.6 Bi-Linear Output 5.6.2 Logarithmic Output (2-decade) 100% Conductivity Measurement –...

  • Page 42: Logarithmic Output (3-Decade)

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.6.3 Logarithmic Output (3-decade) 0.1% 100% Conductivity Measurement – shown as % of Analog Output Span Value Fig. 5.8 Logarithmic Output (3-Decade)

  • Page 43: Configure Clock

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.7 Configure Clock Note. The Configure Clock function is available only if the option board is fitted and analog features enabled - see section 7.3, page 62.

  • Page 44: Configure Control

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.8 Configure Control Note. PID control is applicable only to single input analyzers. Before configuring the PID controller, refer to see appendix B on page 78 for further information.

  • Page 45: Configure Single Pid Controller

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.8.1 Configure Single PID Controller Controller set to ---- PID Controller See Section 5.8.2. Power Recovery Control Action Set the required control action: Rev.
  • Page 46 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Output Type set to Time Time Proportioning Output The Time Proportioning Output is interrelated to the retention time of the vessel and the flow of the chemical reagent and is adjusted experimentally to ensure that the chemical 10.
  • Page 47 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Output Type set to Pulse Pulse Frequency Ouput The pulse frequency output is the number of relay pulses per minute required for 100% control output.

  • Page 48: Configure Power Failure Recovery Mode

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.8.2 Configure Power Failure Recovery Mode ---- Power Recovery Power Failure Recovery Mode Last When power to the analyzer is restored, (Section 2.3) is set automatically...

  • Page 49: Configure Security

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.9 Configure Security ----- CONFIG. SECURITY Alter Security Code Set the security code to a value between 0000 and 19999.

  • Page 50: Test Outputs And Maintenance

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING 5.11 Test Outputs and Maintenance ----- TEST/MAINTENANCE Test Outputs Displays the output test details for the analog outputs. ----- Note. Outputs 3 and 4 are available only if the option board is fitted and analog features Test Outputs enabled - see section 7.3, page 62.
  • Page 51 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 5 PROGRAMMING Hold Outputs set to Auto. Automatic Time If required, set a time period between 1 and 6 hours, in 30 minute increments, for which...

  • Page 52: Installation

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6 INSTALLATION 6.1 Siting Requirements Note. Mount in a location free from excessive vibration. Mount away from harmful vapours and/or dripping fluids.

  • Page 53: Mounting

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6.2 Mounting 6.2.1 Wall-/Pipe-mount Analyzers Dimensions in mm (in.) Fixing Centers 94 (3.7) 210 (8.23) 192 (7.56) 96 (3.76) Fig. 6.2 Overall Dimensions...

  • Page 54: Panel-Mount Analyzers

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6.2.2 Panel-mount Analyzers Dimensions in mm (in.) +0.8 +0.03 (3.62 –0 –0 137.50 (5.41) (0.98) 96 (3.78) +0.8 –0 Panel Cut-out +0.03...

  • Page 55: Connections, General

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6.3 Connections, General Warning. The instrument is not fitted with a switch therefore a disconnecting device such as a switch or circuit breaker conforming to local safety standards must be fitted to the final installation.

  • Page 56: Relay Contact Protection And Interference Suppression

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6.3.1 Relay Contact Protection and Interference Suppression If the relays are used to switch loads on and off, the relay contacts can become eroded due to arcing. Arcing also generates radio frequency interference (RFI) which can result in analyzer malfunctions and incorrect readings.

  • Page 57: Cable Entry Knockouts, Wall-/Pipe-Mount Analyzer

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6.3.2 Cable Entry Knockouts, Wall-/Pipe-mount Analyzer The analyzer is supplied with 7 cable glands, one fitted and six to be fitted, as required, by the user - see Fig. 6.7.

  • Page 58: Wall-/Pipe-Mount Analyzer Connections

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6.4 Wall-/Pipe-mount Analyzer Connections 6.4.1 Access to Terminals Release the four captive screws and remove the terminal cover plate Terminal Block C...

  • Page 59: Connections

    Not Used Not Used * When a 2-wire Pt100, Pt1000 or 'balco 3k' temperature compensator is fitted. Refer also to Section 6.6 for ABB UK and US Sensor Systems Connections Fig. 6.9 Connections, Wall-/Pipe-mount Analyzer Note. When connecting non-metal conductivity cells or metal conductivity cells that are isolated from earth (ground), e.g.

  • Page 60: Panel-Mount Analyzer Connections

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6.5 Panel-mount Analyzer Connections 6.5.1 Access to Terminals Terminal Block A Earth (Ground) Stud Terminal Block C Terminal Block B (Option Board) Fig.

  • Page 61: Connections

    Not Used Not Used * When a 2-wire Pt100, Pt1000 or 'balco 3k' temperature compensator is fitted. Refer also to Section 6.6 for ABB UK and US Sensor Systems Connections Fig. 6.11 Connections, Panel-mount Analyzers Note. When connecting non-metal conductivity cells or metal conductivity cells that are isolated from earth (ground), e.g.

  • Page 62: Abb Conductivity Sensor Systems Connections

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 6 INSTALLATION 6.6 ABB Conductivity Sensor Systems Connections Terminal Block B Cable Colors Sensor Sensor Cable 0233-820 Cable 0233-811 (Conductivity Cell) Cable 0233-819 (Temperature...

  • Page 63: Calibration

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 7 CALIBRATION 7 CALIBRATION Note. The analyzer is calibrated by the Company prior to dispatch and the Factory Settings pages are protected by an access code.

  • Page 64: Factory Settings

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 7 CALIBRATION Conductivity Temperature Cell Simulator Simulator Earth Sensor A Terminal Numbers B11 B12 Sensor B Terminal Numbers Terminal link Fig. 7.1 Analyzer Terminal Links and Decade Resistance Box Connections 7.3 Factory Settings...
  • Page 65 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 7 CALIBRATION ----- FACTORY SETTINGS Factory Settings Access Code Enter the required code number (between 0000 and 19999) to gain access to the 0000 factory settings.
  • Page 66 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 7 CALIBRATION Resistance Zero (Open Circuit) 0. 0 uS/cm Open circuit the cell simulator. 0. 0 Calib The display advances automatically to the next step once a stable and valid value is recorded.
  • Page 67 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 7 CALIBRATION Resistance Span (20R) 5000 uS/cm Set the cell simulator to 20Ω. 5000 Calib The display advances automatically to the next step once a stable and valid value is recorded.
  • Page 68 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 7 CALIBRATION Calibrate Output 1 Note. When adjusting the 4 and 20mA output values, the display reading is unimportant and is used only to indicate that the output is changing when the ----- keys are pressed.
  • Page 69 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 7 CALIBRATION Option Board Fitted and Analog Features Enabled Calibrate Output 3 Notes. ----- • Output 3 (and Output 4) calibration is applicable only if the option board is fitted and analog features enabled - see below.

  • Page 70: Simple Fault Finding

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 8 SIMPLE FAULT FINDING 8 SIMPLE FAULT FINDING 8.2 No Response to Conductivity Changes The majority of problems are associated with the conductivity cell which must be cleaned as an initial check.

  • Page 71: Checking The Temperature Input

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 8 SIMPLE FAULT FINDING 8.3 Checking the Temperature Input Check the analyzer responds to a temperature input. Disconnect the Pt100/Pt1000 leads and connect a suitable resistance box directly to the analyzer inputs - see section 7.2,...

  • Page 72: Specification

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 9 SPECIFICATION 9 SPECIFICATION pH/Redox (ORP) - AX416 Inputs Conductivity - AX41x and AX45x pH or mV input and solution earth Range Temperature sensor Pt100, Pt1000 or Balco 3k Programmable 0 to 0.5 to 0 to 10,000μS cm-1...
  • Page 73 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 9 SPECIFICATION Display Analog Outputs Type Number of current outputs (fully isolated) Dual 5-digit, 7-segment backlit LCD Two supplied as standard or four with option board fitted...
  • Page 74 Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 9 SPECIFICATION Access to Functions Environmental Data Direct keypad access Operating temperature limits Measurement, maintenance, configuration, diagnostics or service -20 to 65ºC (-4 to 149ºF)

  • Page 75: Automatic Temperature Compensation

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 Appendix A high purity water conductivity levels, Appendix A conductivity/temperature relationship is made up of two components: the first component, due to the impurities present, A.1 Automatic Temperature Compensation...

  • Page 76: Calculation Of Temperature Coefficient

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 Appendix A A.1.1 Calculation of Temperature Coefficient The temperature coefficient of a solution can be obtained experimentally taking non-temperature compensated conductivity measurements at two temperatures and applying the following expression: –...

  • Page 77: Inferred Ph Derived From Differential Conductivity

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 Appendix A A.3 Inferred pH Derived from Differential Conductivity Warning. A.3.1 Monitoring on Steam-Raising Plant The calculation of inferred pH relies on the strict control of...

  • Page 78: Monitoring On Avt Systems

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 Appendix A A.3.2 Monitoring on AVT Systems A.3.3 Monitoring on AVT Systems with Impurities For low conductivity feedwater applications, all volatile chemical Differential conductivity can also give an indication of sample pH treatment (AVT) is often applied.

  • Page 79: Monitoring On Solid Alkaline Treated Systems

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 Appendix A A.3.4 Monitoring on Solid Alkaline Treated Systems Generally, boiler waters treated with solid alkaline chemicals, for example, sodium hydroxide, have relatively high conductivities.

  • Page 80: Single Pid Controller

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 Appendix B Appendix B B.1 Single PID Controller The single PID controller is a basic feedback control system using three-term PID control with a local set point.

  • Page 81: Direct Acting Single Pid Control

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 Appendix B B.1.2 Direct Acting Single PID Control Direct acting control is used when the process conductivity is greater than the required output conductivity.

  • Page 82: Setting Up Three Term (Pid) Control Parameters

    Single and Dual Input Analyzers for Low Level Conductivity AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456 Appendix B 7. Set B.3 Setting Up Three Term (PID) Control Parameters Derivative Time To enable a process to be controlled satisfactorily, the following...
  • Page 83 – Chemical & Pharmaceutical details on your nearest Service and Repair Centre. – Food & Beverage United Kingdom – Manufacturing ABB Limited – Metals and Minerals Tel: +44 (0)1453 826661 – Oil, Gas & Petrochemical Fax: +44 (0)1453 829671 –...
  • Page 84 ABB has Sales & Customer Support expertise The Company’s policy is one of continuous product in over 100 countries worldwide improvement and the right is reserved to modify the information contained herein without notice. www.abb.com Printed in UK (02.07) © ABB 2007 ABB Limited ABB Inc.

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