EUTECH INSTRUMENTS alpha-pH1000 Operating Instructions Manual Download

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EUTECH INSTRUMENTS

alpha-pH1000

pH and ORP Controller/Transmitter

Operating Instructions

68X216801 rev1

Technology Made Easy ...

08/01

Summary of Contents for alpha-pH1000

Page 1: ...EUTECH INSTRUMENTS alpha pH1000 pH and ORP Controller Transmitter Operating Instructions 68X216801 rev1 Technology Made Easy 08 01...

Page 2: ...ORP controller transmitter If you have doubts in the use of the instrument please do not hesitate to contact the nearest Eutech Instruments Authorised Distributor The information presented in this man...

Page 3: ...ion of the instrument Before powering up the unit make sure 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...

Page 4: ...3 7 ADVANCED SET UP MODE 14 7 1 Electrode Offset OFS sub function 14 7 2 Setting temperature Set o C sub function 14 7 3 Control Relay A Control Relay B SP1 SP2 sub function 16 7 4 Controller Cntr sub...

Page 5: ...metrical input for pH ORP mode of operation Three control modes limit proportional pulse length or proportional pulse frequency Large dual display LCD for easy reading with clear multiple annunciators...

Page 6: ...t such as pump or valve a recorder and an appropriate pH or ORP measurement cable 2 2 Unit Dimensions The field tested control panel housing is 96 x 96 mm with protection class IP 54 front m ax 175 m...

Page 7: ...put Hold Input Relay B Relay A Power M ains pH m A Alarm Wash PE S PE AC N L 1 2 5 4 3 6 7 8 9 10 11 12 13 14 15 17 15 16 indicated contact positions are for currentless conditions Pt 100 Potential M...

Page 8: ...alpha pH 1000 4 Symmetrical high impedance connections Asymmetrical connections Measuring Cable pH Com bination Electrode Tem p pH BNC 0 PA PE N L S 22 21 1 2 3 20 19 18 Potential M atching Pin PM S...

Page 9: ...or ve connection 8 High set relay common 17 0 4 20 mA for ve connection 9 High set relay working position NO Connections for the 5 way screw terminals 18 Pt100 Pt1000 lead 1 terminal 19 Pt100 Pt1000 s...

Page 10: ...AL relay operation mode 4 1 2 Display The LCD display features two numerical displays that show status messages and measured values for easy quick reference The display provides short text information...

Page 11: ...the user to enter a security code S Cd Leave the security code at 000 do not enter a security code b Press ENTER key again This allows you only to view not change any sub functions settings c Press t...

Page 12: ...ysteresis 2 P roportional range X P pH OR P at 20 m A A larm contact cont wiper contact 1000 D ur D isplay zero point and slope C alibrate P t100 P ick up delay contact 1 P ick up delay contact 2 C yc...

Page 13: ...ey followed by the ENTER key without adjusting the security code leave code at 000 The upper display shows electrode slope The lower display reading shows the pH reading at 0 mV Note If security code...

Page 14: ...display to Setup security code 22 3 Press the ENTER key 4 If configured for pH control the upper display reads OFS 5 If configured for ORP control the upper display reads SP1 NOTE Pressing the ENTER k...

Page 15: ...he buffer solution In ATC you must also immerse the temperature probe in the buffer solution Likewise for symmetrical mode you must also immerse the potential matching pin in the buffer 5 Press the EN...

Page 16: ...allows one point calibration 1 Enter Calibration mode While in Measurement mode push the CAL key and scroll to Calibration Code 11 Push the ENTER key The upper and lower display reads CAL OrP Note If...

Page 17: ...of 80 5 Press the ENTER key to confirm the value The electrode indicator and CAL indicator flash The unit automatically adjusts its reading to match the solution value 6 The display will now show 20...

Page 18: ...t the top of the display The lower display shows the current measured pH value The upper display shows the current offset value 6 Press the or key until the pH value coincides with the correct pH valu...

Page 19: ...cess and calibration This allows calibration at a temperature other than your process temperature Example setting a calibration temperature of 25oC lets you calibrate using standard buffer solutions a...

Page 20: ...ler when the pH ORP value undershoots the low set point select a high set point to activate controller when the value overshoots the high set point Using both SP1 and SP2 you can select lo lo lo hi hi...

Page 21: ...the lower display shows On d 3 Press the or key to enter on delay time for Set point 1 Set point 2 The controller will delay activation for the number of seconds 0 to 2000 you select 4 Press the ENTER...

Page 22: ...of proportioning valves Use control off to operate controller as a monitor only or to keep relays from switching 1 Follow directions in 7 4 1 to enter Controller mode 2 Press the ENTER key The upper d...

Page 23: ...5 Maximum Pulse Length tPL or Maximum Frequency FPF Note If the controller type oFF or L Ct is set the parameters listed in 7 4 4 and 7 4 5 are blanked out This mode lets you set the maximum pulse len...

Page 24: ...roller output will be 0 4 mA NOTE If you are in the pH mode ORP parameters are blocked out If you are in the ORP mode pH parameters are blocked out 1 Follow directions in 7 5 1 to enter Current Output...

Page 25: ...e is used in conjunction with a potential matching pin in an electrically noisy environment Please refer to section 3 page 6 for a graphical representation 1 Follow directions in 7 6 1 to enter Config...

Page 26: ...t 4 Press the ENTER key to confirm your selection 5 Proceed to 7 6 4 step 3 or return to Measurement mode by pressing the and keys simultaneously escape 7 6 5 Selecting steady or pulse contact for the...

Page 27: ...ode Proceed to 7 6 6 Note After each changeover the factory calibration data for zero point and slope are overwritten Be sure to recalibrate see section 6 This parameter group lets you configure the c...

Page 28: ...ction and to return to Advanced Set up mode or return to Measurement mode by pressing the and keys simultaneously escape 7 7 Calibration CAL sub function The calibration procedure in Advanced Set up m...

Page 29: ...NTROL key lights up Note Pressing ENTER key at a value other than 22 will cause the controller to revert to Measurement mode and the relays will remain in automatic mode 4 Press the RELAY SELECTION ke...

Page 30: ...r contacts Switching voltage current power max 250 VAC max 3A max 600 VA Alarm Functions Function switchable Latching pulse Wash cycle 0 1 to 199 9 hrs Wash duration 1 to 1999 s Pickup delay 0 to 2000...

Page 31: ...27 Mechanical Specifications Dimensions control panel housing L x H x W 175 x 96 x 96 mm Weights control panel housing max 0 7 kg Material ABS with polycarbonate front housing Insulation Front Housin...

Page 32: ...ectrode with PMP w o ATC EC ARGTSO 05B pH Combination Electrode with high temperature resistance 110 oC and high pressure resistance 9 bar w o ATC PMP EC ARHTTSO 05B pH Combination Electrode w o ATC P...

Page 33: ...e lug 1 unit rubber gasket 1 unit 11 3 Return of Goods Authorisation must be obtained from Eutech Instruments Customer Service Dept to issue a RGA Return of Goods Authorisation number before returning...

Page 34: ...y separated from the power supply Jumper Positions Internal to the controller JP 1 Selects the input voltage 220 VAC JP 2 Selects the input voltage 110 VAC JP 3 Selects between Pt100 and Pt1000 Fuse N...

Page 35: ...9 16 9 32 10 18 15 0 99 4 00 6 90 7 04 9 11 9 27 10 12 20 1 00 4 00 6 88 7 02 9 05 9 22 10 06 25 1 01 4 01 6 86 7 00 9 00 9 18 10 01 30 1 01 4 01 6 85 6 99 8 95 9 14 9 97 35 1 01 4 02 6 84 6 98 8 91 9...

Page 36: ...s reached In the reverse direction it does not de activate when the value reaches the set point Instead it continues to be active till the value reaches the amount set by the Hysteresis band 4 0 4 5 9...

Page 37: ...Xw Yh 0 50 100 Control characteristic of P Controller as proportional controller MIN Function MAX Function Xp 0 Xp 0 SP 1 SP 2 Xw Xw Yh 0 50 100 Control characteristic of P Controllers as limit value...

Page 38: ...nce greater tON Xp exceeded tON T relay remains picked up tON tOFF Pulse Length T Relay ON OFF Time s Controller signal of Pulse Frequency Controllers The output relay of the pulse frequency controlle...

Page 39: ...Eutech Instruments distributor or visit our website listed below Manufactured by Eutech Instruments Pte Ltd Blk 55 Ayer Rajah Crescent 04 14 24 Singapore 139949 Tel 65 778 6876 Fax 65 773 0863 E mail...

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