EUTECH INSTRUMENTS ALPHA DO 500 DISSOLVED OXYGEN Manuel d'instructions

TechnologyMadeEasy...Instruction Manual αlpha-DO2000 Dissolved Oxygen Controller/Transmitter 68X216835 Rev 0 05/04

Instruction manual αlpha DO 2000 5 2.3 Unit overview Wall mounting version

Instruction manual αlpha DO 2000 6 2.3.1 Display Overview The LC display shows two alpha-numerical fields for parameters and measured values as we

Instruction manual αlpha DO 2000 7 2.3.3 LED indicators Relay indicators If REL key is pressed the LED (A, B or W) indicates to which Relay (

Instruction manual αlpha DO 2000 8 2.3.5 Menu overview CCD “000” = Check calibration parameters (View only mode) CCD “11” = Calibration mode S

Instruction manual αlpha DO 2000 9 3 ASSEMBLY AND INSTALLATION 3.1 Mounting the unit Wall mounting version Transmitter housing for wall m

Instruction manual αlpha DO 2000 10 3.2 Connection Diagram Caution: Ensure electrical mains are disconnected before proceeding. 1L2NCurrent1

Instruction manual αlpha DO 2000 11 NOTE: a) Switch or circuit breaker shall be included in the building installation. b) It shall be in clos

Instruction manual αlpha DO 2000 12 4 NORMAL OPERATION 4.1 Measurement mode When the controller/transmitter is powered on, the display first sh

Instruction manual αlpha DO 2000 13 5 CALIBRATION MODE You can access the Calibration mode directly from the Measurement mode by pressing the CAL

Instruction manual αlpha DO 2000 14 5.2 Dissolved oxygen Calibration in mg/l or ppm of oxygen If the unit of measure is in mg/l (default) or ppm, t

Preface This manual serves to explain the use of the αlpha DO 2000 Series. The manual functions in two ways, firstly as a step by step guide to help

Instruction manual αlpha DO 2000 15 displayed value to the correct value. Press the ENT key to accept the value and the status of the probe is displ

Instruction manual αlpha DO 2000 16 Note: If there is a calibration error, the controller displays “CAL ERR” and exits to the measurement mode (for

Instruction manual αlpha DO 2000 17 6 SETUP MODE 6.1 Enter Setup mode In the Setup mode the transmitter can be configured to your individual req

Instruction manual αlpha DO 2000 18 6.2 Offset, Salinity and Pressure compensation (OFS) sub-function This mode allows you to change the offset pa

Instruction manual αlpha DO 2000 19 6.3 Setting temperature (Set °C°F) sub-function 1. Select the “SET °C°F” sub-function, then press the ENT

Instruction manual αlpha DO 2000 20 6.4 Control Relay A / Relay B (SP1/SP2) sub-function The SP1 sub-function determines the operating parameters

Instruction manual αlpha DO 2000 21 5. Setting the on-delay time lag: press the ▲ or ▼ key to enter the on-delay time for set point 1 (set point 2

Instruction manual αlpha DO 2000 22 6.5 Controller (CNTR) sub-function The CNTR sub-function determines the controller’s parameters. SETUP SETU

Instruction manual αlpha DO 2000 23 1. Select the “CNTR” subfunction, then press the ENT key. 2. Selecting the controller type: press the ▲ or ▼

Instruction manual αlpha DO 2000 24 − If the proportional controller type is set to pulse frequency control (PFC): 9. Selecting the relay status

Safety Information This Controller/ Transmitter shall be installed and operated only in the manner specified in the Instruction manual. Only skilled,

Instruction manual αlpha DO 2000 25 6.6 Current Output 1 sub-function In this subfunction you set the current output range of the transmitter for

Instruction manual αlpha DO 2000 26 6.7 Current Output 2 sub-function In this sub-function you set the current output range of the transmitter fo

Instruction manual αlpha DO 2000 27 6.8 Wash relay (WASH) sub-function In this sub-function you set the parameters for the wash relay. SETUPSET

Instruction manual αlpha DO 2000 28 6.9 Configuration (CNFG) sub-function In this sub-function you configure the transmitter to suit your require

Instruction manual αlpha DO 2000 29 6. Selecting the alarm contact type: press the ▲ or ▼ key to select the alarm contact type: − “STDY” = stead

Instruction manual αlpha DO 2000 30 7 RELAY MODES You can control devices connected to Relay A, Relay B or wash relay via the front panel of the t

Instruction manual αlpha DO 2000 31 7.2 Manual relay mode In manual relay mode, you can manually turn “on” and “off” the control devices connected

Instruction manual αlpha DO 2000 32 8 TECHNICAL SPECIFICATIONS 8.1 Measurement and Compensation (a) Dissolved Oxygen Dissolved Oxygen Measuring

Instruction manual αlpha DO 2000 33 (c) P/PI Control only Proportional Range 10 to 500 % Integral Action Time (IAT) 0.0 to 999.9 minutes (c) (1) P

Instruction manual αlpha DO 2000 34 8.6 Voltage Output & Hold Function Switch +12 V Output 11.5 to 12.5 V Output – Max 50 mA Hold Function Swi

TABLE OF CONTENTS 1 INTRODUCTION...

Instruction manual αlpha DO 2000 35 9 ACCESSORIES 9.1 Replacement Unit Product Description Eutech Instruments Order Code αlpha DO 2000 Controlle

Instruction manual αlpha DO 2000 36 10 GENERAL INFORMATION 10.1 Warranty Eutech Instruments warrants this product to be free from significant de

Instruction manual αlpha DO 2000 37 11 APPENDICES 11.1 Appendix 1 – Unit fuse and jumper settings Caution! Before opening the unit to replace t

Instruction manual αlpha DO 2000 38 11.2 Appendix 2 – Salinity vs Temperature (@ 760 mmHg) The following table shows the Dissolved Oxygen values

Instruction manual αlpha DO 2000 39 11.3 Appendix 3 – Simple explanation on the function of hysteresis The controller relay activates when the

Instruction manual αlpha DO 2000 40 11.4 Appendix 4 – General instructions concerning Controller Setting 11.4.1 Control characteristic of Control

Instruction manual αlpha DO 2000 41 11.4.4 Control signal of Pulse length Controllers RelayONtONtOFFPulse Length TOFFTime [s] The output relay o

Instruction manual αlpha DO 2000 42 11.4.5 Control signal of Pulse Frequency Controllers RelayONtONtOFFPulse Length TOFFTime [s] The output rela

Instruction manual αlpha DO 2000 43 11.5 Appendix 5 – Abbreviations used in menu displays Abbreviation Meaning Abbreviation Meaning MEAS Measu

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8.11 ELECTROMAGNETIC COMPLIANCE (EMC) SPECIFICATIONS ... 34 8.12 ENVIRONMENTAL CONDITION

Instruction manual αlpha DO 2000 1 1 INTRODUCTION 1.1 At the very beginning We thank you for having purchased the αlpha DO 2000. The constructio

Instruction manual αlpha DO 2000 2 1.3 Safety intsructions The αlpha DO 2000 should be installed and operated only by personnel familiar with the

Instruction manual αlpha DO 2000 3 2 PRODUCT DESCRIPTION 2.1 Description of unit The αlpha DO 2000W is used for measuring dissolved oxygen and t

Instruction manual αlpha DO 2000 4 2.2 Measurement and control system A typical measurement system consists of: • A dissolved oxygen process tran