EUTECH INSTRUMENTS ALPHA CON 190 18 DIN CONDUCTIVITY CONTROLLERTRANSMITTER Instruction Manual Download Page 1

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Technology Made Easy ...

Instruction Manual

lpha pH 190

1/8 DIN pH / ORP Controller with

Temperature display and Transmitter

68X276106 Rev 0 11/2004

Summary of Contents for ALPHA CON 190 18 DIN CONDUCTIVITY CONTROLLERTRANSMITTER

Page 1: ...Technology Made Easy Instruction Manual lpha pH 190 1 8 DIN pH ORP Controller with Temperature display and Transmitter 68X276106 Rev 0 11 2004...

Page 2: ...smitter do not hesitate to contact the nearest Eutech Instruments Authorized Distributor Eutech Instruments cannot accept any responsibility for damage or malfunction to the controller transmitter cau...

Page 3: ...RP CALIBRATION 14 8 TEMPERATURE CALIBRATION 15 9 SETUP MODE 16 9 1 GENERAL INFORMATION 16 9 2 SETUP MODE OVERVIEW 17 9 3 SET POINT 1 P1 0 18 9 4 SET POINT 2 P2 0 20 9 5 CONFIGURATION P3 0 22 9 6 VIEWI...

Page 4: ...ome features of this controller are Two set points two SPDT relay operation Scrolling 14 segment LED guides user easily through setup functions Reliable power supply from 85 to 260 V AC 50 60 Hz or DC...

Page 5: ...that power source it is connected to is as specified in the top label Failure to do so may result in a permanent damage to the unit The unit has live and exposed parts inside If it has to be opened ma...

Page 6: ...t of the displayed parameter temperature 8 mV Unit of the displayed parameter ORP Keys 9 MODE Use to toggle between Measurement modes pH ORP and temperature 10 CAL ENTER Use to enter Calibration mode...

Page 7: ...POLE Pt 100 SENSE GROUND RELAY 2 NC N LIQUID GND L J2 J1 J3 pH ORP WARNING D B C A A 3 pin connector for power supply B 9 pin connector for relays C 7 pin connector for temperature sensor D BNC connec...

Page 8: ...ither terminal Terminals 13 and 14 must be shunted unless using a 3 wire RTD NOTE pH 190 is factory set for manual temperature compensation ATC can be selected in Setup mode of Program P3 3 3 Slide th...

Page 9: ...he controller 1 Align the catch to the side of the controller and insert threaded rods through catch BACK VIEW 2 Screw the threaded rod through the catch in a clock wise direction Tighten until the ca...

Page 10: ...rogram P3 3 NOTE After pressing the MODE key to display Temperature if there is no further key press the controller will automatically revert to pH ORP measurement mode after about 30 seconds 4 2 Set...

Page 11: ...cond relay set point You can adjust it in 0 01 increments from 0 00 to 14 00 pH 999 to 1000 mV 3 Press ENTER to confirm and return to the measurement mode NOTE Press and keys together ESCAPE at anytim...

Page 12: ...ENTER again The display reads P 000 The first 0 flashes 3 Press ENTER again to leave the first digit 0 and to scroll to the next number 4 Press the or keys to change the second digit to the desired pa...

Page 13: ...10 P P 000 P 000 P 0 10 P 020 P 0 11 P 022 P 011 P 022...

Page 14: ...using the password code procedure as explained in Section 5 2 The display scrolls BUFF and either pH 7 00 or 6 86 You must calibrate at one of these two buffers for the first calibration Use keys to s...

Page 15: ...d and the Pt 100 is not connected or if it is broken the pH display will flash Under this condition the calibration will not be allowed 7 0 0 7 0 0 10 0 1 10 0 1 10 0 3 6 9 7 bU f f bU f f d o n e ENT...

Page 16: ...e mV output of your pH probe If the value displayed differs substantially from the buffer value this indicates electrode drift Consider replacing your electrode 4 Press ENTER to confirm the buffer val...

Page 17: ...ly access the Calibration mode when the unit is in ORP measurement mode NOTE Instead of pressing the CAL ENTER key you can also enter the Calibration mode using the password code procedure as explaine...

Page 18: ...value at which temperature will be compensated You can select a manual temperature value from 10 to 110oC Factory default is 25 0oC See Setup program P3 3 for instructions on ATC or MTC selection To...

Page 19: ...measurement mode both the 4 20mA output and relay activities resume depending on the settings To enter setup mode 1 Key in the password 022 using the method described in section 5 2 Press the or keys...

Page 20: ...is value P3 0 Configuration P3 1 select pH or ORP units P3 2 select symmetrical or asymmetrical input mode P3 3 select temperature compensation MTC or ATC P4 0 Calibration data P4 1 view first calibra...

Page 21: ...l P1 0 and SP1 Press ENTER 3 The screen will scroll P1 1 SP1 then the current set point value 4 Press or keys and adjust first relay set point You can adjust it in 0 01 increments from 0 00 to 14 00 p...

Page 22: ...alues below 4 00 but will not de activate till the measured pH value rises above pH 4 50 The hysteresis window can be set to any value within the range shown below pH mode 0 00 to 2 00 pH ORP mode 0 t...

Page 23: ...P2 0 and SP2 Press ENTER 3 The screen will scroll P2 1 SP2 then the current set point value 4 Press or keys and adjust second relay set point You can adjust it in 0 01 increments from 0 00 to 14 00 pH...

Page 24: ...ve 10 00 but will not de activate till the measured pH value decreases below pH 9 50 The hysteresis window can be set to any value within the range shown below pH mode 0 00 to 2 00 pH ORP mode 0 to 30...

Page 25: ...oggle between pH and ORP 5 Press ENTER to confirm and continue to step three of P3 2 P3 2 Select symmetrical or asymmetrical input mode Use asymmetrical mode under normal operating conditions Use symm...

Page 26: ...re sensor 1 Key in the password 022 as per procedure in Section 5 2 Press key twice The screen will scroll P3 0 and CONF Press ENTER three times 3 The screen will scroll P3 3 and MTC or ATC 4 Press or...

Page 27: ...PE at anytime to leave the Setup mode and return to Measurement mode P4 0 Viewing calibration points 1 Key in the password 022 as per procedure in Section 5 2 Press key three times The screen will scr...

Page 28: ...Setup mode and return to Measurement mode P5 0 Viewing pH electrode data 1 Key in the password 022 as per procedure in Section 5 2 Press key four times The screen will scroll P5 0 and ELEC Press ENTER...

Page 29: ...t anytime to leave the Setup mode and return to Measurement mode P5 0 Viewing ORP electrode data 1 Key in the password 022 as per procedure in Section 5 2 Press key four times The screen will scroll P...

Page 30: ...SCAPE at anytime to leave the Setup mode and return to Measurement mode P6 0 Controller reset 1 Key in the password 022 as per procedure in Section 5 2 Press key five times The screen will scroll P6 0...

Page 31: ...H 20 mA ORP 999 mV 4 mA 1000 mV 20 mA The 4 20 mA current loop can drive a load resistance of no more than 200 12 ERROR MESSAGES The following table provides a guideline to enable diagnosis of possibl...

Page 32: ...oller 2 SPDT relays Switching Voltage Current Power Max 250 VAC Max 3A Max 600 VA Electrical Data And Connections Power Requirements 85 to 260 VAC 50 60 Hz or DC Signal Output Load 4 20 mA galvanicall...

Page 33: ...PMP EC ARHTTSO 05B pH Combination Electrode w o ATC PMP EC ARTSO 05B ORP Gold Electrode with PMP but w o ATC EC HTAUTSO 05B ORP Platinum Electrode with PMP but w o ATC EC HTPTTSO 05B Note Above pH ORP...

Page 34: ...is noise the noise acts as a common signal which is picked up by both the pH and the reference electrodes However since the reference electrode is grounded to the ground potential of the amplifier ele...

Page 35: ...otential matching pin such as the EC ARGTSO 05B or EC 100GTSO 05B If your electrode does not have a solution ground be sure to set the controller to Asymmetrical mode Symmetrical mode avoids grounding...

Page 36: ...nged 1 Measurement mode pH or ORP 2 Temperature compensation mode ATC or MTC 3 Temperature offset calibration value if in ATC mode pH Defaults pH input Asymmetrical offset 0 0 mV slope 59 2 mV Set poi...

Page 37: ...oller or if higher power is needed it is recommended that you use the controller relay to drive an external relay Diagram below shows a typical installation Wiring should be changed appropriately if n...

Page 38: ...Return of Goods Authorisation number before returning items for any reason When applying for authorisation please include data requiring the reason of return Items must be carefully packed to prevent...

Page 39: ...utech Instruments distributor or visit our website listed below Manufactured by Eutech Instruments Pte Ltd Blk 55 Ayer Rajah Crescent 04 16 24 Singapore 139949 Tel 65 6778 6876 Fax 65 6773 0836 E mail...

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EUTECH INSTRUMENTS ALPHA CON 190 18 DIN CONDUCTIVITY CONTROLLERTRANSMITTER, Instruction Manual

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