EUTECH INSTRUMENTS ALPHA CON 1000 CONDUCTIVITY CONTROLLERTRANSMITTER (REVISION 3) Instruction Manual

Instruction Manual αlpha TDS 200 1/8 DIN Total Dissolved Solids Controller with Temperature display and Transmitter 68X276105 rev 0 08/

103.4 Panel-mounting the controller The supplied mounting hardware allows surface mounting to all panels and protective enclosures. Mounting cut-ou

11 4 MEASUREMENT MODE Press MODE to toggle between: • TDS measurement mode and • Temperature measurement mode Total Dissolved Solids Measurement M

125 PASSWORD To access Calibration and Setup functions, you need to enter a password code. You cannot change calibration and setup parameters unles

13 P.P.000P.000P.010P.020P.011P.022

146 TDS CALIBRATION IMPORTANT: When Calibration mode is entered, controller automatically goes into a “HOLD” mode where the 4-20 mA output freezes

15 If any or both conditions are not satisfied, controller will display ERR 1 (blinking). 1. Key in the password “011” using the method described

16 509500doneENTERENTER Notes: You can view the calibrated TDS value from Setup program. See Setup program P5.0. Controller displays calibrated TD

17 7 TEMPERATURE CALIBRATION IMPORTANT: When Calibration mode is entered, controller automatically goes into a “HOLD” mode where the 4-20 mA output

1822.525.0doneENTER 8 SETUP MODE 8.1 General Information IMPORTANT: When Setup mode is entered, controller automatically goes into a “HOLD” mode w

19 P1.0P3.0P4.0P5.0P6.0P2.0 P7.0P6. 8.2 Setup mode overview P1.0: Set Point 1 P1.1: select relay 1 set point value P1.2: select relay 1 as low o

20P6.0: Electrode Properties P6.1: view cell correcting factor constant value after calibration P6.2: view temperature offset value after calibratio

21 8.3 Set Point 1 – P1.0 Setup program P1.0 allows you to set parameters for relay 1. P1.1: select relay 1 set point value P1.2: select relay 1 as

22P1.2: Set relay as high or low set point Select low set point to activate Relay when measured value undershoots Set point; select high set point t

23 P1.3: Set Hysteresis value Hysteresis prevents rapid contact switching if measured value is fluctuating near the set point. Once activated, rela

248.4 Set Point 2 – P2.0 Setup program P2.0 allows you to set parameters for relay 2. P2.1: select relay 2 set point value P2.2: select relay 2 as

25 P2.2: Set relay as high or low set point Select low set point to activate Relay when measured value undershoots Set point; select high set point

268.5 Measurement Range Selection – P3.0 Setup program P3.0 is for selecting the range of measurement. P3.1: select measurement range and correspon

27 8.6 Configure Temperature Settings – P4.0 Setup program P4.0 is for selecting ATC or MTC, set temperature coefficient values, and select normali

288.7 Viewing TDS Calibration Data – P5.0 Program 5 is a “view only” option, which displays the value at which calibration was performed. P5.1: v

29 8.8 Viewing TDS / Temperature Electrode Data – P6.0 Program 6 has two “view only” options that let you check the electrode parameters for diagno

PREFACE This manual serves to explain the use of the αlpha TDS 200 controller/transmitter. This manual functions in two ways: first, as a step-by-st

308.9 Set TDS Factor – P7.0 The alpha TDS 200 Controller allows the TDS factor to be selected, depending on the application. .P.0dts00 P7.1: Viewi

31 Press ▲and ▼keys together (ESCAPE) at anytime, to leave the Setup mode and return to Measurement mode. P8.0: Controller reset 1. Key in the pas

329 RELAYS The alpha TDS 200 features two SPDT non-powered relays; rated for 6A at 110 VAC, 250 VAC maximum. When your process exceeds the set para

33 11 SPECIFICATIONS TDS Range Resolution Cell Constant 0.00 – 10.00 ppm 0.01 ppm 0.1 0.0 – 100.0 ppm 0.1 ppm 0.1 0.0 – 100.0 ppm 0.1 ppm

3412 ACCESSORIES Product Description Code no. TDS cell, Epoxy body, Graphite sensor, w/3-wire Pt100, k = 0.1 ECCONSEN89X TDS cell, Epoxy body, Gra

35 Appendix 1: Simple Explanation on the Function of Hysteresis The controller relay activates when the set-point is reached. In the reverse direc

36Appendix 3: External Relays The relays on the alpha TDS 200 series controller are rated for 6 amps at 110 VAC and can be wired directly to your f

37 13 GENERAL INFORMATION Warranty Eutech Instruments warrants this product to be free from significant deviations in material and workmanship for

NOTES

TABLE OF CONTENTS 1 INTRODUCTION 5 2 SAFETY INFORMATION 6 3 OVERVIEW 7 3.1 FRONT PANEL 7 3.2 BACK PANEL 8 3.3 WIRING 9 3.4 PANEL-MOUNTING THE CONT

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5 1 INTRODUCTION Thank you for purchasing a ⅛ DIN TDS 200 Controller. This controller is part of a series of quality process controllers available

6 2 SAFETY INFORMATION The Eutech Controller/Transmitter shall be installed and operated only in the manner specified in the Instruction manual. On

7 3 OVERVIEW 3.1 Front Panel The front panel consists of a 4-digit LED display, 8 LED annunciators and 4 keys. Annunciators 1. REL 1 Displayed

8 3.2 Back Panel The back panel consists of three different connectors that can be used with removable terminal blocks (included): 12 11 10 9

9 3.3 Wiring Caution: Ensure electrical mains is disconnected before proceeding. 1. Connect the power supply to the three-pin terminal block • V