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ACID

BASE

SUBMERSION
ELECTRODE

pH
PROBE

AC POWER

FLOW OUT

FLOW IN

pH/ORP Controller

W A L C H E M

CIRCULATING

PUMP

SOLENOID
VALVE

COOLING TOWER

WATER
METER

Electrode

Flow

switch

pH/ORP Controller

W A L C H E M

Electrode

Flow Switch

Figure 1 Typical Installation

Installation with Submersion Electrode

Installation with In-line electrode

Содержание WDP340

Страница 1: ...ries pH ORP Controllers Instruction Manual Walchem Corporation Five Boynton Road Hopping Brook Park Holliston MA 01746 USA TEL 508 429 1110 FAX 508 429 7433 WEB www walchem com W A L C H E M WPH WDP C...

Страница 2: ...nics and 12 months for mechanical parts and electrodes from date of delivery from the factory or authorized distributor under normal use and service and otherwise when such equipment is used in accord...

Страница 3: ...eypad 19 4 4 Access Code 19 4 5 Startup 19 4 6 Shut Down 20 5 0 OPERATION 20 5 1 Main Menu 20 5 2 Sensor Menu 22 5 3 Temperature Menu this menu does not appear if an ORP sensor has been selected 28 5...

Страница 4: ...selected through the keypad Use of Antimony pH electrodes is acceptable Automatic temperature compensation may be used via a Pt1000 or Pt100 input if pH operation is selected The controller will prom...

Страница 5: ...C Max VLOWMAX 13V 18 mA Dry contact relays 6 A resistive 1 8 HP Dry contact relays are not fuse protected CTRL 1 CTRL2 CTRL 3 CTRL 4 ALARM WPH410 Powered Powered Dry Dry Dry WPH420 Pulse Pulse Dry Dry...

Страница 6: ...00 mV 16 pH 1500 mV Dead Band Relay Outputs only 0 pH 0 mV 1 99 pH 199 mV Proportional Band 0 pH 0 mV 6 99 pH 999 mV Minimum SPM Rate Pulse Outputs only 0 strokes minute 360 strokes min Maximum SPM Ra...

Страница 7: ...g in conduit that is separated by 6 inches from low voltage DC signal lines such as the electrode signal Electrode Installation The WPH WDP controllers are designed to work with most AMPLIFIED pH ORP...

Страница 8: ...o that if flow stops the electrode is still immersed in the solution If the flow through the pipe can not be shut down for cleaning and calibrating the electrode install the electrode in a by pass lin...

Страница 9: ...RP Controller W A L C H E M CIRCULATING PUMP SOLENOID VALVE COOLING TOWER WATER METER pH Electrode Flow switch pH ORP Controller W A L C H E M pH Electrode Flow Switch Figure 1 Typical Installation In...

Страница 10: ...s in the OFF position The front panel must never be opened before power to the controller is REMOVED If your controller is prewired it is supplied with a 8 foot 18 AWG power cord with USA style plug A...

Страница 11: ...TRL 2 CTRL 1 pH ORP 2 FLOW SWITCH 2 ALARM CTRL 4 CTRL 3 pH ORP 1 FLOW SWITCH 1 4 20mA 1 4 20mA 2 PLUG Figure 2b WPH420 Conduit Wiring POWER CTRL 4 CTRL 3 FLOW SWITCH OPTIONAL CTRL 1 CTRL 2 pH ORP SENS...

Страница 12: ...9 POWER CTRL 2 CTRL 1 pH ORP 2 FLOW SWITCH 2 ALARM CTRL 4 CTRL 3 pH ORP 1 FLOW SWITCH 1 4 20mA 1 4 20mA 2 PLUG Figure 2e WDP440 Conduit Wiring...

Страница 13: ...N O R N W HI TE O RN B L U W H I T E B L U IN DIG IN 2 DIG IN 3 IN IN DIG IN 1 IN IN IN DIG IN 4 IN IN DIG IN 5 IN IN IN DIG IN 2 DIG IN 3 IN IN DIG IN 1 IN IN IN DIG IN 4 IN IN DIG IN 5 IN IN WEL Ele...

Страница 14: ...IN IN IN DIG IN 2 DIG IN 3 IN IN DIG IN 1 IN IN IN DIG IN 4 IN IN DIG IN 5 IN IN IN DIG IN 2 DIG IN 3 IN IN DIG IN 1 IN IN IN DIG IN 4 IN IN DIG IN 5 IN IN OPTIONAL TEMPERATURE COMPENSATION pH ONLY GR...

Страница 15: ...N O N C FEED N C BIO 2 N O N C N O N O ALARM N C N O IN IN 5V 5V IN DIG IN 2 DIG IN 3 IN IN DIG IN 1 IN IN IN DIG IN 4 IN IN DIG IN 5 IN IN IN IN 5V 5V Contact Closure Polarity not critical Interlock...

Страница 16: ...DIG IN 4 IN IN DIG IN 5 IN IN L1 L2 N L2 L2 L2 L2 L2 L2 BLEED N C N O N C BOI 1 N O N C FEED N C BIO 2 N O N C N O N O ALARM N C N O SYSTEM A SYSTEM A Contact Closure Polarity not critical Interlock...

Страница 17: ...WHT 120V BLU 240V GRN 120V GRN YEL 240V TO GROUND STUD IN IN 5V 5V IN DIG IN 2 DIG IN 3 IN IN DIG IN 1 IN IN IN DIG IN 4 IN IN DIG IN 5 IN IN F1 F2 WPH410 only PLC BLK 120V BRN 240V GRN 120V GRN YEL...

Страница 18: ...BRN 240V GRN 120V GRN YEL 240V WHT 120V BLU 240V FUSED EXTERNAL POWER SOURCE GRN 120V GRN YEL 240V WHT 120V BLU 240V BLK 120V BRN 240V FUSED EXTERNAL POWER SOURCE Note CTRL 3 CTRL 4 and Alarm are dry...

Страница 19: ...K 120V BRN 240V WHT 120V BLU 240V WHT 120V BLU 240V WHT 120V BLU 240V GRN 120V GRN YEL 240V TO GROUND STUD GRN 120V GRN YEL 240V TO GROUND STUD GRN 120V GRN YEL 240V TO GROUND STUD WHT 120V BLU 240V C...

Страница 20: ...larm is a dry contact relay polarity not critical Note The Alarm relay is not programmable Refer to the Main Menu diagram for the list of error conditions that trigger the Alarm relay EXTERNAL AC POWE...

Страница 21: ...ing Towards the center of the bar graph are the S s which represent the set points The bar graph grows from the left hand side and the point furthest to the right indicates where the process value is...

Страница 22: ...l of the changes for that menu screen 4 4 Access Code The WPH series controller is shipped with the access code disabled If you wish to enable it see Section 5 9 for operation With the access code ena...

Страница 23: ...f inactivity in the menu the display will return to the summary display Keep in mind that even while browsing through menus the unit is still controlling 5 1 Main Menu The exact configuration of your...

Страница 24: ...Thu 9 12 10 20 pH 68 F 4 20 mA_1 15 66 mA 10 20 pH 68 F CTRL 4 A OFF Main Menu Press Enter key to enter menu or submenu Press Exit key to exit menu After 10 minutes of inactivity the controller will a...

Страница 25: ...a pH value that means that it has recognized the buffer solution Once the buffer value is recognized it will stop flashing and the mV value will begin flashing Once this has stabilized it will stop f...

Страница 26: ...and side Use the arrow keys to set the pH value of the 2nd buffer then press ENTER The top line will now show the temperature and the mV input from the electrode The mV will blink until the value is s...

Страница 27: ...electrode from the process and rinse it off Press ENTER to go to the next step First Buffer This is a prompt to place the electrode in the first buffer In a few seconds the controller will automatical...

Страница 28: ...to place the electrode in the first buffer In a few seconds the controller will automatically go to the next step Input 96 mV The display will show the mV reading from the electrode The entire number...

Страница 29: ...rned for repair If it passes and you have a problem calibrating it is an electrode or preamp problem Sensor Type Press ENTER to set up the controller to match the type of electrode to be used Use the...

Страница 30: ...fields may be edited with the adjust arrows Press Enter when modification is complete to return to Main Menu Level NEXT PREV ENTER EXIT ENTER EXIT ENTER EXIT Legend Operation Sensor 10 00pH Sensor mV...

Страница 31: ...asure the fluid temperature and adjust the WPH controller to match Once Calibrate is entered the unit continuously displays temperature readings Press the Up or Down arrow key to change the value disp...

Страница 32: ...ENTER when this is displayed to select a high set point The relay will close when the process value goes above the set point value The summary screen will display that the output is on A time limit m...

Страница 33: ...put Mode of Low Alarm as described below High Set Point Only appears if the Mode is High Set Point or Time Prop Hi Press ENTER if you want the Control relay to close if the process above a certain val...

Страница 34: ...time Sample Period This menu only appears if Time Proportional control mode is selected It allows setting the sampling period from 0 to 30 00 minutes This is the time that will elapse between checkin...

Страница 35: ...mode has been selected as a Probe Wash Use the arrow keys to select the time delay in seconds between the probe wash ending and control beginning again The hold time can be a maximum of 99 seconds Dur...

Страница 36: ...odel WPH410 CTRL 3 4 for model WPH420 Probe Wash Sched Event A 12 00 99 ENTER EXIT Ctrl 1 OFF Probe Wash Sched A Probe Wash Sched Event J 12 00 99 NEXT PREV Ctrl 1 OFF HiAlarmPt 12 00 A Ctrl 1 80 On A...

Страница 37: ...ph shows the effect of the various settings If the controller overshoots the set point make the prop band larger If the controller can t keep up with the additions make the prop band value smaller or...

Страница 38: ...es which mode the output is in 10 00 pH 68 F Ctrl 1 200 SPM Ctrl 1 200 SPM Hi Set Point 8 00 Ctrl 1 200 SPM Min SPM Rate 0 Ctrl 1 200 SPM Prop Band 1 00 Ctrl 1 200 SPM Max SPM Rate 360 Ctrl 1 200 SPM...

Страница 39: ...ed in this menu However in some applications it is desirable to have one interlock device assigned to both sensor A and B For example if you have both sensors mounted in the same sample stream then a...

Страница 40: ...4 20 mA output is extremely accurate and stable and therefore will never need calibration This feature allows other devices to be calibrated at the 4 and 20 mA points Press ENTER to start the calibrat...

Страница 41: ...the clock Use the arrow keys to change the year date and month then press ENTER Use the arrow keys again to set the day of the week and the time Use military time for example 1 00 PM is 13 00 Press E...

Страница 42: ...Up or Down arrow key to change the N to Y and press ENTER to enable the access code feature If the access code is enabled you must first enter the access code to disable it New Value Press ENTER to di...

Страница 43: ...nsists of time stamps of when power was lost when it was returned and the cause of the reset Current or Backup Datalog Place a USB flash drive with at least 10 MB capacity into the USB port on the fro...

Страница 44: ...talog Transfer Success Next Prev Datalog Copy Reset Log Next Prev ENTER EXIT ENTER EXIT ENTER EXIT Datalog Transfer Success Datalog Transfer Success Possible Status Screens Transfer Success Transfer F...

Страница 45: ...n the front panel of the controller Press the Enter key to import the configuration file from the stick to the controller The file name must have an ini extension in its name The controller will displ...

Страница 46: ...Success Any Key to Reboot ENTR selects cfg UCF ini ENTER EXIT ENTER EXIT ENTER EXIT ENTER EXIT Possible Status Screens Transfer Success Transfer Fail 1 Possible Status Screens Import Failure Import Su...

Страница 47: ...omatically reboot and come up with the new software installed If the software upgrade fails you will see one of the following messages UpgradFileInvald The file found on the USB stick is for the wrong...

Страница 48: ...r hot applications and check its accuracy in a buffer solution If using manual temperature compensation remember to change the temperature from that of the process to that of the buffer If the accurac...

Страница 49: ...of a malfunctioning controller should only be attempted by qualified personnel using caution to ensure safety and limit unnecessary further damage Contact the factory 7 1 Error Messages Output Timeou...

Страница 50: ...faulty Preamplifier has no power to it If battery powered preamp replace battery If preamp is powered by our controller check 5V 5V terminals vs COM terminal Should read 5VDC 5 and 4 6 VDC 5 Preampli...

Страница 51: ...resistance may indicate a bad connection A lower reading may indicate a shorted cable Measure the resistance at each connection between the sensor and the controller to determine if the sensor cablin...

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