EUTECH INSTRUMENTS ALPHA PH 1000 PHORP CONTROLLERTRANSMITTER Скачать руководство пользователя страница 36 | Manualshive

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EUTECH INSTRUMENTS ALPHA PH 1000 PHORP CONTROLLERTRANSMITTER Скачать руководство пользователя страница 36

Instruction Manual alpha-pH 1000

36

12.3

Appendix 3

Simple Explanation on the Function of Hysteresis

The controller relay activates when the set-point is 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

9.5

10.0

7.0

RELAY OFF

HYSTERESIS BAND

(DEFAULT = 0.5 pH)

FORWARD DIRECTION

REVERSE DIRECTION

SP1

SP2

RELAY ON

SP1 Set to LO

SP2 Set to HI

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Содержание ALPHA PH 1000 PHORP CONTROLLERTRANSMITTER

Страница 1: ...Technology Made Easy Instruction Manual alpha pH1000 pH and ORP Controller Transmitter 68X216801 rev 1 1 07 02...

Страница 2: ...he lpha pH1000 pH 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 pre...

Страница 3: ...setup and operation 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 t...

Страница 4: ...3 ORP Calibration 17 7 ADVANCED SET UP MODE 18 7 1 Electrode Offset OFS sub function 18 7 2 Setting temperature Set o C sub function 18 7 3 Control Relay A Control Relay B SP1 SP2 sub function 20 7 4...

Страница 5: ...trical symmetrical 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 an...

Страница 6: ...trol element 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...

Страница 7: ...is disconnected before proceeding Signal Output Hold Input Relay B Relay A Power Mains pH mA 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...

Страница 8: ...tion Manual alpha pH 1000 8 Symmetrical high impedance connections Asymmetrical connections Measuring Cable pH Combination Electrode Temp pH BNC 0 PA PE N L S 22 21 1 2 3 20 19 18 Potential Matching P...

Страница 9: ...0 4 20 mA for 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 Pt...

Страница 10: ...B in MANUAL 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 i...

Страница 11: ...ill prompt 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...

Страница 12: ...2 Proportional range XP pH ORP at 20 mA Alarm contact cont wiper contact 1000 Dur Display zero point and slope Calibrate Pt100 Pick up delay contact 1 Pick up delay contact 2 Cycle time bzw max freque...

Страница 13: ...the CAL key 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 secu...

Страница 14: ...croll the 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 t...

Страница 15: ...e is in the 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 Pre...

Страница 16: ...This mode 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 Or...

Страница 17: ...tive value 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 no...

Страница 18: ...appears at 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 correc...

Страница 19: ...atures process 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 s...

Страница 20: ...e controller 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...

Страница 21: ...time and 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...

Страница 22: ...control 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 Th...

Страница 23: ...cape 7 4 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...

Страница 24: ...ocked out If you are in the ORP mode pH parameters are blocked out 1 Follow directions in 7 5 1 to enter Current Output mode 2 Press the ENTER key Scroll with the or keys until the upper display shows...

Страница 25: ...cal or asymmetrical Symmetrical mode 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...

Страница 26: ...in seconds and the lower display shows AL d 3 Press the or key to select how long of an alarm delay 0 to 2000 seconds you want 4 Press the ENTER key to confirm your selection 5 Proceed to 7 6 4 step 3...

Страница 27: ...ut in ORP mode 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 conf...

Страница 28: ...your selection 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...

Страница 29: ...e RELAY CONTROL 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 SE...

Страница 30: ...change over 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...

Страница 31: ...a pH 1000 31 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 Fro...

Страница 32: ...nation Electrode 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...

Страница 33: ...acle cable 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...

Страница 34: ...physically 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 Pt10...

Страница 35: ...92 7 06 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...

Страница 36: ...t point is 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...

Страница 37: ...1 SP 2 Xw 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 li...

Страница 38: ...r divergence 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...

Страница 39: ...Instruction Manual alpha pH 1000 NOTES...

Страница 40: ...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 0863 E mail...

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