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User`s Manual Model PH100 Panel Mount pH Converter

1. Fig 5 4 SET ENT key SET ENT key ue rewrites data F5 4 EPS Example flow chart for setting other measurement parameters Note To cancel press both V gt and simultaneously IM 12B11A01 01E 5 9 5 1 4 5 1 5 5 10 Temperature Calibration The EXA PH100 PH converter is used with a pH sensor and the resistance of the cabling between them will vary depending on the length of the cable When Yokogawa s PH10FP or PHIORP are used the cable length is selectable it may be any of 3 m 5 m or 10 m When the WTB100 intermediate terminal box is used with the special WF100 extension cable the cable length may be increased up to 50 m For accurate temperature compensation one time temperature calibration to compensate for the resistance of the cable between converter and detector after installation is recom mended Procedure for Temperature Compensation Temperature compensation should be performed with the measured solution as near as possible to the normal temperature of measurement To minimize temperature change during measurement you should prepare at least 4 liters of solution You also need a thermometer to measure the temperature of the solution Temperature calibration uses the t CL Temperature Calibration setting screen described in Section 5 1 3 4 Other Parameters The pH detector immersed up to the liquid junction and thermometer should be placed in the solution to be used for temperatu
2. sos C250 Measurement screen Press SET ENT key Press A key for 3 sec for 3 sec Press A key for 3 sec Ao PA flashing Press W key Press amp key for 2 times for 2 times EXA __PHj90 ALrm flashing L 2 Alarm parameter setting screen SET ENT key V Change value with A and Y keys H490 SET ENT key SET ENT key rewrites data V Change value with A and Y keys EXA Si hysteresis SET ENT key SET ENT key rewrites data Changa value with A and Y keys EXA a PHJJO S1 delay time SET ENT key SET ENT ke 2 rewrites data v Change value with A and keys EXA pHyp0 6 SET ENT key SET ENT key rewrites data V Change value with A and keys 11490 EXA S2 hysteresis SET ENT key SET ENT key rewrites data Change value with A and Y Keys pHyp0 S2 delay time SET ENT key SET ENT key rewrites data Change value with A and Y keys EXA SET ENT key SET ENT key rewrites data Change value with A and keys EXA T 90 EXA a PH 90 S3 hysteresis SET ENT key SET ENT key rewrites data N Changa value with A and Y keys EXA _ PHjp0 S3 delay time SET ENT key SET ENT key rewrites data V Change value with A and keys EXA _ pHj90 SET ENT key SET ENT key rewrites data Vv Change value with A and keys pH4go EXA a PHJ90 Ot S4 hysteresis SET ENT key SE
3. Ent2 blinking Note To repeat the measurement and calibration at this point press A W keys simultaneously 19 Press SET ENT key If calibration results were normal then Good blinking is displayed on the Auxiliary display If results are abnormal the auxiliary display shows an error code For details of the meaning of error codes see Sec 8 2 20 Press the SET ENT key again to update the calibration data The M CAL display in 1 above reappears If data is abnormal then the calibration data is not updated 21 To revert the detector to online measurement of the process press 4 key for at least 3 seconds and the measurement screen reappears 6 6 6 7 6 7 1 6 7 2 6 14 Canceling Calibration To cancel calibration 1 Press 4 W keys simultaneously several times until you revert to the top calibra tion screen Auxiliary display shows A CAL or M CAL 2 To revert to measurement of the process press 4 key for at least 3 sec to revert to the measurement screen Error during Calibration If slope is outside the range 70 to 110 or asymmetry potential is outside the range 120 mV to 120 mV then a calibration error results The measured display is displayed but the Auxiliary display shows a blinking error code No updating is performed in the case of such an error For details of error codes refer to Sec 8 2 A CAUTION If an error occurs the only key entry that is accepted on either
4. DIN T5 2 EPS 5 4 IM 12B11A01 01E Example flow chart for calibration parameter setting is shown below Perss A key for 3sec Perss A key for 3sec Perss W key CAL method setting CAL points Measurement screen Press SET ENT for 3 sec Perss A key CAL flashing Calibration parameter setting screen SET ENT key SET ENT key lt rewrites data Change value with A and W keys pia Change value with A and W keys Std liquid for 2 point CAL SET ENT key lt S 5 Operation SET ENT key rewrites data SET ENT key rewrites data A Std liquid setting SET ENT key for 1 point CAL SET ENT key SET ENT key lt lt rewrites data lt a Table type for Std liquid CAL SET ENT key X lt IM 12B11A01 01E Fig 5 2 Example flow chart for calibration parameter setting Note To cancel press both W and A simultaneously SET ENT key rewrites data F5 2 EPS 5 5 3 Alarm parameter setting screen Alrm displayed at top of screen This screen is for user setting of alarm data A list of menu options on this screen is shown below Table 5 3 Setting range Initial value top menu NA not applicable NA S1 S1 hysteresis 0 high limit alarm 1 low limit alarm 2 high hig
5. temperature is displayed when this temperature of the parameteris displayed measurement liquid The temperature is not updated Effective when SEL t automatically is 0 InSP menu display 0 no display 0 no display Alwaus set 0 fliag setting 1 display When the power is turned off the setting become 0 T5 4 EPS 5 8 IM 12B11A01 01E 5 Operation Example flow chart for setting other measurement parameters is shown below _ GBB C250 Measurement screen Press SET ENT Press A key for 3 sec for 3 sec Press A key Ao PA flashing for 3 sec Press Y key Press A key for 3 times for 3 times EXA___PH4 90 SET ENT key Change value with A and keys EXA go Temperature display aH SET ENT key SET ENT key rewrites data Change value with A and Y keys go Temperature unit ty SET ENT key SET ENT key rewrites data Change value with A and keys EXA 90 Temperature RTD type setting SET ENT key SETENTIA ey rewrites data A Change value with A and keys Temperature compensation Temperature setting SET ENT key SET ENT key rewrites data Change value with A and keys EXA go SET ENT key SET ENT key rewrites data Change value with A and Y keys Temperature calibration ir SET ENT key SET ENT key rewrites data Change value with A and Y keys InSP menu dispisplay on off Flag setting
6. 2 contact outputs specified two LEDs Display contact output status lit when operated F4 1 EPS Fig 4 1 IM 12B11A01 01E 4 1 4 2 Key Operation 4 2 On the EXA PH100 front panel there are three keys for screen mode switching and data entry CANCEL PS A SET key B CAL MEAS C Co COED F4 2 EPF Fig 4 2 Layout of three keys on front panel Main uses of these keys are as follows A SET ENT key used to confirm mode changes and data settings From the measurement panel if you press it continuously for at least three seconds then the data setting screen is displayed SET Press for 3 sec and SET data entry screen is displayed F4 3 EPS E ge A be B V key Use to select different menu item or reduce data setting value Pressing this key for at least three seconds switches to the calibration screen CAL Press for 3 sec and CAL calibration screen is displayed F4 4 EPS ge A _ C A key Use to select different menu item or increase data setting value Pressing this key for at least three seconds from calibration or data setting top screen switches back to the measurement screen MEAS Press for 3 sec and MEAS measurement screen is displayed F4 5 EPS ge A in B C Pressing both W and A screen simultaneously cancels operations IM 12B11A01 01E 4 Overview of Operation Panel 4 3 Switching display screens EXA PH100 has three
7. 3A or 30 V DC 3A resistance load Form C NC NO COM 3 terminals S2 240 VAC 3A or 30 V DC 3A resistance load Form A When 4 contact outputs specified S1 240 VAC 3A or 30 V DC 3A resistance load Form C NC NO COM 3 terminals S2 S3 S4 240 V AC 3A or 30 V DC 3A resistanceload Form A shared common Maximum load current on common is 3A Contact status Table 1 1 Terminal NC Function selected i O Contact H L HH LL HH LL limit alarms FAIL s Power off Power on Power off Hower an No alarm No alarm COM S1 NO COM Open Open Open Closed 2 4 o NC COM Closed Closed Closed Open S S2 Open Open Open Closed s3 Oo m S3 when specified losed Open Open Open Close ea S4 when specified Note When a contact is activated the LED on display panel turns on COM IM 12B11A01 01E Open Open Open Closed Ambient temperature 5 to 45 C Storage temperature 25 to 70 C Ambient humidity 10 to 90 RH non condensing Installation altitude 2000 m or less above sea level Construction Front panel Dust proof and drip proof construction IP55 IP65 when 65 option specified Materials ABS resin and polycarbonate Power supply Rated voltage 100 to 240 V AC 410 50 60 Hz Power consumption Max 9 VA Weight Approx 600g Dimensions 96 W X 96 H X 120 D mm Mounting Panel mount Panel cutout dimensions 92 W X 92
8. ENT key Auxiliary display displays types of standard solutions that are set at present e g 4 7 5 Press SET ENT key The auxiliary display will show CAL7 blinking quickly meaning beginning pH7 calibration note you can select the other standard solution first e g CAL4 by pressing 4 key then second solution will be pH7 6 press SET ENT key after selecting the standard solution pH to be measured 7 if temperature compensation setting is manual then manually measure and set the measured temperature of the standard solution The measurement display shows measured temperature The auxiliary display shows 25C 1 C unit and the least significant digit blinks For manual temperature compensation set the temperature on the auxiliary display with 4 and W keys 8 When you press the SET ENT key the measurement display value blinks The auxiliary display shows CAL7 9 The converter waits until the measured electrode emf representing the pH value stabilizes performs temperature compensation and calibrates the first pH value The blinking of the measurement display value stops Ent7 is displayed blinking in the auxiliary display Note if you want to repeat calibration with the same standard solution press A and W keys at the same time for cancel 10 Press SET ENT key The results of calibration at the first calibration point are displayed Note until you have finished the cali
9. RES gt RES gt ao a H ecoa PD Me o ontact 3 output 4 come T 4 OTIO L lt 8 L T2 gt 48 4 OT2 0 Supply N4 Ol n mo Ta Pply Output signal L4 o U mo Ja Ground to earth Shield grounding resistance 1002 or less Note Terminal numbers are indicated on the label side of the converter Ground to earth grounding resistance 100 or less F3 4E EPS Fig 3 4 Wiring diagram when intermediate terminal box is used 3 4 IM 12B11A01 01E 3 Wiring 2 When intermediate terminal box is not used A CAUTION Terminal size is ISO M3 5 There s a terminal wiring diagram on the instrument nameplate on the side of the instrument e Terminal contact Terminal are Contact output NC Q S1 NC nan M Contact output NC S1 NO GE gt 2 0 C pH Sensor 3 COM1 5 43 p Contact output 2 4 82 RE Di N 3 Contact output 3 S3 RES 45 3 Contact output 4 S4 SE gt t T COM2 Ti D p J Power a k T2 ie Supply y Q N mA P L mv J eo Ground to earth a A Shield grounding resistance 100
10. When temperature display is provided CaCANCELP SET CAL MEAS BENT d YOKOGAWA F4 7 EPS Fig 4 10 IM 12B11A01 01E 4 5 4 4 3 Calibration screen 1 From Measurement screen Press W key for 3 sec to transfer to Calibration screen Ce PECANCELP CAL MEAS 03 cH YOKO a Press for at less 3 sec Fig 4 11 Measurement screen 2 Calibration screen LA pH cir cae Oe CaCANCELP CAL MEAS YOKOGAWA Fig 4 12 Calibration screen for Autocalibration case Press 4 for at less 3 sec to return to Measurement screen IM 12B11A01 01E 4 Overview of Operation Panel 4 4 4 Setting screen 1 Measurement screen display Press SET ENT screen for at least 3 sec to transfer to Setting screen EXA PHIOCO a N CAL MEAS YOKOGAWA Press for at less 3 sec Fig 4 13 Measurement screen 2 Setting screen CaCANCELP CAL MEAS YOKOGAWA Fig 4 14 Setting screen Press for at less 3 sec to return to Measurement screen IM 12B11A01 01E 4 7 4 8 IM 12B11A01 01E 5 5 Operation Operation 5 1 5 1 1 5 1 2 5 1 3 Start up Check wiring Check that all wiring is correct refer to Sec 3 3 Start up pH converter Apply power 100 to 240V AC 10 50 60Hz to EXA PH100 pH converter Data setting Set the following parameters 1 analog output parameter 2 calibration parameters 3 alarm settings
11. changes to A CAL 2 Clean the pH electrode with an adequate amount of pure water 3 Dip the sensor in standard solution 4 Press the SET ENT key The Auxiliary display shows pH of the standard liquid to be used for calibration e g 7 5 Press the SET ENT key The Auxiliary display shows CAL7 blinking meaning started pH 7 calibration 6 Check that the correct standard solution is being used then press the SET ENT key The measured pH value is displayed and if temperature compensation is set to Manual user entry you then need to set the standard solution temperature the Auxiliary display shows 25 C with the 5 blinking you can change this setting using the A V keys 7 Press the SET ENT key and the measured value is displayed flashing The Auxiliary display shows CAL7 8 The converter waits until the measured electrode emf representing the pH value stabilizes performs temperature compensation and calibrates the first pH value The blinking of the measurement display value stops Ent7 is displayed blinking in the auxiliary display Note if you want to repeat calibration with the same standard solution press 4 and W keys at the same time for cancel 9 Press the SET ENT key again The calibration correction calculation is performed if normal then Good is displayed blinking on the Auxiliary display If there is any abnormality then an error code is displayed For de
12. flashing PA a Ha s 2w Analog output parameter setting screen SET ENT key Change value with A and keys Change value with A and keys ia ars i Low range limit Hold during SET ENT key maintenance SET ENT ke i SET ENT ke y rewrites data y SET ENT key rewrites data Change value with A and Y keys Change value with A and V keys sre HLD ag 8 a sz ez HA 5 High range limit Hold output SET ENT key setting SET ENT key rewrites data SET ENT key SET ENT key rewrites data Change value with A and y Keys zz FAL Hold if H abnormal SET ENT key SET ENT key U rewrites data F5 1 EPS Fig 5 1 Example flow chart for analog output parameter setting Note To cancel press both W and A simultaneously IM 12B11A01 01E 5 3 2 Calibration parameter setting screen CAL displayed at top of screen This screen is for user setting of calibration related settings A list of menu options on this screen is shown below Table 5 2 Menu Title NA not applicable Calibration Autocalibration 0 Autocalibration method Manual calibration Calibration 0 One point 1 Two point calibration points Two point calibration Two point CAL pH7 pH4 0 pH7 pH4 std liquid pH9 pH7 US pH 10 pH7 pH9 pH4 US pH 10 pH4 One point CAL pH7 std liquid pH4 pH9 US pH 10 Std liquid JIS NIST 0 JIS NIST cal table US
13. menu screens measurement calibration and data setting screens The screen transition diagram is shown below Initial display 4 4 1 Press key for 3 seconds Measurement screen Y key Calibration screen 4 4 2 Press A key for 3 seconds 4 4 3 Press SET ENT key for three seconds Press A key for 3 sec Data setting screen 4 4 4 F4 6 EPS Fig 4 6 IM 12B11A01 01E 4 3 4 4 4 4 1 4 4 Display screen examples Initial display Display when converter is normal 1 All LEDs are lit when converter is powered on ola I ae De LILI CaCANGCELP CAL MEAS LENT YOKOGAWA Fig 4 7 All LEDs lit 2 Then all LEDs turn off CaCANCELP CAL MEAS YOKOGAWA Fig 4 8 All LEDs off IM 12B11A01 01E 4 Overview of Operation Panel 3 Measurement screen is displayed pH a JE F Ca CANCELP CAL MEAS E YOKOGAWA Fig 4 9 Measurement screen with temperature display 4 4 2 Measurement screen 1 Measurement screen Measurement display Displays pH value Decimal point is fixed two digits below the decimal point Auxiliary display When temperature display functions are provided the temperature and units C for C F for F are displayed When temperature display functions are not provided nothing is displayed The initial setting is for no temperature display pH display up to 2 digits below decimal point
14. minimizing pickup of static electric fields Twisted pair wire is effective in minimizing inductive noise pickup 3 3 3 3 Wiring Terminal Diagram There are wiring terminals on the rear of the PH100 converter Wire to terminals 1 to 10 and terminals 11 to 20 as shown in Fig 3 3 The terminal block cannot be removed Row of terminals numbered 11 to 20 from top to bottom Row of terminals numbered 1 to 10 from top to bottom 31 40 21 30 11 20 PH100 Top view F3 3 EPS Contact output and power wiring PH sensor and Analog output cable Fig 3 3 Cable wiring position 1 When intermediate terminal box is used A CAUTION Terminal size is ISO M3 5 There s a terminal wiring diagram on the instrument nameplate on the side of the instrument Converter Rear View ra N Terminal box r Terminal gt Extension cable WTB100 PH 1 Contact name Terminal H WF100 PH 7 output 1 NC 4 4 Il S1 NC name ay Contact ao C HF I soo eelo OOo oeo 4 Cet sensor com1 s 4 amn SOF oupate 4 s2 RE O RE O 3 Contact lt 5 S3
15. of shock turn off power and confirm that terminals are not live before wiring Under no circumstances should terminals be touched when power is applied Recommended CR filters Table 3 3 Models MATSUO Electric co Ltd CR UNIT 953 955 etc SHIZUKI Electric co Ltd SKV SKVB etc RUBYCON Corporation CR CFS CR U etc T3 3 EPS For an DC relay External DC source Diode mount directly on relay coil terminals or socket Relay coil rating must not exceed con verter contact rating Instrument F3 7 EPS Fig 3 7 For an AC relay External AC source Instrument CR filter mount directly on relay coil terminals or socket Relay coil rating must not exceed con veter contact rating F3 8 EPS Fig 3 8 IM 12B11A01 01E 3 Wiring 3 7 2 Wiring for S2 for two contact output case or S2 S3 and S4 four contact output case IM 12B11A01 01E A terminal cover is fitted to reduce the risk of electric shock when power is applied When connecting contact output wiring you need to loosen the two cover screws to remove the cover After completing the wiring take care not to forget to replace the cover 1 If you want to connect a load which exceeds the contact rating voltage rating 240 V AC current rating 3A resistive load 30 VDC 3A resistive load then you need to use a slave relay as shown in Sec 3 7 1 2 If switching a very small current then
16. of standard deteriorated YES solution NO a Is electrode dirty YES NO Rehydrate glass electrode Has glass electrode dried out Note Leave bourse Hoursin YES standard soln NO Refill electrode with KCI Note When using PH10RP KCI replenish free type sensor replace sensor Clean electrode as per Sec 8 1 Step 2 Has KCI in sensor run out Swish electrode in solution to dislodge bubbles Bubbles inside tip of electrode Electrode life is over Replace Note 1 Refer to sensor IM 12B11C00 01E sensor for sensor replacement procedure IM 12B11A01 01E 8 Troubleshooting C If there are measurement time errors Follow the procedure shown in the flow chart below Refer to Sec 8 2 for error details If any of measurement errors E 01 E 02 E 03 or E 04 occur Is electrode dirty NO Clean electrode as per Sec 8 1 Step 2 Wrong cable connection is Refer to Sec 3 for wiring details Temperature detector wiring Replace detector broken or short circuited Refill electrode with KCI Has KCI in sensor run out Note When using PH10RP KCI replenish free type sensor replace sensor gt Electrode life is over Note 1 Refer to sensor IM 12B11C00 01E Replace detector for sensor replacement procedure D If replacing sensor does not return things to normal e It must be a converter abnormality A CAUTION For a new pH electr
17. or less Ground to earth grounding resistance 100 or less F3 5 EPS Fig 3 5 Wiring diagram when intermediate terminal box is not used 1 Intermediate terminal box WTB100 is used when pH converter and pH sensor are far apart 2 Extension cable WF100 is used when pH converter and pH sensor are far apart 3 When only two contact outputs are specified contact outputs 3 and 4 S3 and S4 are not used When four contact outputs are used S3 and S4 share the same common lead COM2 IM 12B11A01 01E 3 5 Table 3 2 Terminal wiring example Terminal no Signal name Signal description S1 NC Contact output 1 relay contact NC S1 NO Contact output 1 relay contact NO COM1 Contact output 1 common S2 Contact output 2 relay contact NO S3 Contact output 3 relay contact NO S4 Contact output 4 relay contact NO Contact output 2 common shared by 2 83 amp S4 Power line L Power line N Ground Reserved Glass electrode input terminal Glass electrode shield terminal Reference electrode input terminal Reference electrode shield terminal Ground electrode cable shield terminal Temperature input terminal Temperature input terminal Analog output terminal Analog output terminal T3 2 EPS A CAUTION Figures 3 4 and 3 5 seem to indicate that cable can be pulled in from right hand side but in fact cable can only be pulled in from left hand side as described in Sec 3 1 IM 12B11A0
18. 1 01E 3 Wiring 3 4 pH detector wiring This section describes connection of the Model PHIOFP KCI Refillable pH sensor or the Model PH1ORP KCI Replenish free pH sensor to the EXA PH100 pH converter A CAUTION For a description of how to connect these sensors via extension cable and intermediate terminal box refer to IM 12B11E01 01E for the EXA WTB100 intermediate terminal box and refer to IM 12B11F01 01E for the EXA WF100 extension cable The procedure for connecting a sensor to the EXA PH100 pH converter is as follows 1 Loosen the two holding screws to remove the shielding cover which covers the terminals used for connecting a pH detector from the rear of the EXA PH100 pH sensor 2 Connect the pH sensor detector by cable to the terminals The color coding of the wires in the cable and the corresponding terminals that they are connected to are listed below pH converter terminal no Cable core color code for PH10FP and PHIORP pH sensors 11 Do not use 12 Red GE 13 Yellow S 14 Brown RE two wires 15 Do not use 16 Green SE 17 White T1 18 Black T2 pH converter terminal no Cable core color code for PH8EFP and PH8ERP pH detectors 11 Do not use 12 Red GE 13 Yellow S 14 Brown RE 15 Do not use 16 Green SE 17 White T1 18 Black T2 A CAUTION When using the PH8EFP or PH8ERP which have pin terminals be sure to replace the SE pin terminal with a forked terminal as if you use t
19. Autocalibration screen or Manual calibration screen is to press A W keys simultaneously to abort calibration Recovering from an Error To repeat calibration 1 Press W keys simultaneously several times to revert to top calibration screen 2 Press SET ENT key and repeat calibration procedure from beginning Quitting calibration 1 Press 4 W keys simultaneously several times to revert to top calibration screen 2 Press key for at least 3 sec to revert to Measurement mode A CAUTION Replace the sensor in the process before operate keys IM 12B11A01 01E 7 7 Maintenance and Cleaning Maintenance and Cleaning 7 1 7 1 1 7 1 2 7 1 3 Periodic Maintenance Electrode cleaning When the glass electrode and liquid junction of the pH sensor become dirty the mea sured value may become unstable or drift and response may become very slow Clean the electrode periodically Ay CAUTION For details of the procedure for washing the pH electrode refer to the instruction manual for the sensor you are using Calibration with Standard Liquid The emf of a sensor electrode changes as the electrode ages Dirt adhering to the electrode will also affect the electrode emf Since this will otherwise cause measure ment errors you should recalibrate the sensor periodically You might start by calibrat ing it weekly and recording the data and using this data as a basis for determining the optimum calibration int
20. ERP FU20 no ORP measurement available Sensors conditionally connectable PH8ERG PH8EFG other companies sensors no temperature compensation available manual temperature compensation required Maximum total connection cable length 50 m sensor cable length included IM 12B11A01 01E 2 Preparation for Operation 2 Preparation for Operation 2 1 Unpacking When the instrument arrives unpack the package with care and check that the instru ment has not been damaged during transportation In addition please check that the specification matches the order and required accessories are not missing 2 2 Choosing an Installation Location A WARNING To minimize the danger of shock the converter should be mounted on the converter panel before power is applied When choosing a mounting location Mounting Cautions A CAUTION IM 12B11A01 01E 1 Mount the converter in a location which allows adequate space for access from the rear for wiring and the like 2 Ideally the converter should be on the rear of a panel so that unauthorized personnel will not have access to the terminals 3 It should be a place with minimal vibration 4 It should not be exposed to corrosive gas atmospheres 5 Temperature should be near normal 23 C with minimal change 6 Humidity should be between 10 and 90 RH 7 The converter should not be exposed to direct heat radiation 8 The converter should not be exposed to str
21. H mm Wiring M3 5 screw terminal Grounding grounding resistance 100 Q or less Functional specifications Asymmetry potential adjustment range 7 2 pH Slope adjustment range 70 to 110 of theoretical value Automatic temperature compensation range 10 to 110 C manual temperature compensation available setting range 10 to 110 C Temperature correction function cable length correction by one point temperature calibration 1 3 1 4 Calibration function One touch automatic calibration one or two point calibration Standard solution table Selectable JIS e NIST Table 4 7 9 pH DIN 19267 Table 4 7 9 pH US Technical Buffer Table 4 7 10 pH Standard solution temperature range 0 to 95 C for JIS e NIST Table 0 to 90 C for DIN 19267 Table 0 to 60 C for US Technical Buffer Table Manual calibration one or two point calibration at specified setpoint s Self diagnostics function FAIL output pH measurement range failure temperature measurement range failure temperature detection element failure and converter failure Detection during calibration error indication Standard solution temperature range failure asymmetry potential failure electromotive force slope failure stability failure Converter performance under normal operating conditions Linearity 0 03 pH Repeatability 0 02 pH Transmission output accuracy 0 3 of span Sensors connectable with PH100 PHIOFP PHIORP PH8EFP PH8
22. T ENT key rewrites data EXA al value with A and keys p EXA Rhi 90 S4 delay time SET ENT key SET ENT key rewrites data Change value with A and Y keys EXA High limit alarm SET ENT key SET ENT key rewrites data Change value with A and M Aa Low limit alarm SET ENT key SET ENT key rewrites data 4 Change value with A and Y keys H490 EXA High high limit alarm SET ENT key SET ENT key rewrites data Change value with A and lag keys 1490 Low low limit alarm SET ENT key SET ENT key rewrites data F5 3 EPS Fig 5 3 Example flow chart for setting alarm parameters when four contacts output specified Note To cancel press both V and A simultaneously 5 7 4 Other parameter setting screen otHr displayed at top of screen This screen is for user setting of parameters for other measurements A list of menu options on this screen is shown below Table 5 4 Menu Title NA not applicable temperature in display OFF ON Temperature unit RTD type Pt1000 Other depends on the Other 0 Pt1000 suffix code temperature compensation 0 automatic temperature sensor 0 automatic temperature sensor manual setting temperature setting 10 0 110 0 C 25 0 C Effective when 14 0 230 0 F 77 0 F SEL t is 1 temperature calibration 15 0 115 0 C For reference Please input the actual 1 point calibration 5 0 239 0 F
23. Tf connections of pH sensor are normal but reading is still abnormal the temperature sensor in the pH sensor is probably bad Replace the pH sensor Table 8 3 Resistance of temperature sensor at 25 C Temperature sensor Resistance Pt1000 Approx 11000 Pt100 Approx 1100 5000 Approx 5000 Approx 10kQ Approx 6 8kQ T8 3 EPS 8 3 4 Converter Abnormal Aux display E 04 Cause Converter problem Cure Turn power OFF then ON again If this doesn t cure the problem have Yokogawa service the converter 8 3 5 Calibration Error IM 12B11A01 01E Aux display C 01 Cause Temperature of standard solution used for autocalibration is out of range For JIS or NIST table permitted range is 0 to 95 C For DIN 19267 permitted range is 0 to 90 C For US Technical Buffer Table permitted range is 0 to 60 C For manual calibration permitted range is 10 C to 110 C Cure Make sure that standard solution is within appropriate temperature range above 8 5 8 3 6 Asymmetry Potential Abnormal Aux display C 02 Cause For one point or two point calibration the asymmetry potential is checked and if it is outside the range 2pH 120mV then this alarm occurs Cure Check if sensor is dirty clean the electrode if it is Check that correct standard solution is being used for calibration If performing calibration manually maybe a wrong value was entered Try r
24. User s Manual Model PH100 Panel Mount pH Converter IM 12B11A01 01E YOKOGAWA IM 12B11A01 01E 1st Edition Yokogawa Electric Corporation Introduction IM 12B11A01 01E 1st Edition Apr 2003 YK Safety Precautions This manual covers the specifications installation operation and maintenance of the panel mount version of the PH100 pH converter Please read this before using the PH100 There are manuals for the related EXA100 series as follows Refer to them as required Model code Manual Name Mno PH100 Panel Mount pH Converter IM 12 B11A01 01E OR100 Panel Mount ORP Converter IM 12 C11A01 01E SC100 Panel Mount Conductivity Converter IM 12 D11A01 01E PH10FP KCI Refillable pH Sensor IM 12 B11C01 01E PH10RP KCI Replenish free pH Sensor OR10FP KCI Refillable ORP Sensor IM 12 B11C02 01E IM 12 C11C01 01E OR10RP KCI Replenish free ORP Sensor IM 12 C11C02 01E SC10XB Conductivity Sensor for SC100 IM 12 D11C01 01E WTB100 Terminal Box for EXA100 IM 12 B11E01 01E WF100 Extension Cable for EXA100 IM 12 B11F01 01E PH10HLD Immersion Holder for EXA100 IM 12 B11D01 01E PH10HG Guide pipe Holder for EXA100 All Rights Reserved Copyright 2003 Yokogawa Electric Corporation IM 12B11A01 01E IM 12 B11D02 01E T000 eps For the safe use of this equipment 1 About This Manual e This manual should be passed on to the end user e The c
25. Warns isene ieee he a E EAEN 3 2 3 2 NOISE prevento Ais n en erreen E Sib E E EE e E ERE E 3 3 3 3 Wiring Terminal Diagram 00 eee eee eseeccenseceeceaecneceseeeeceseeeeeeeeeeseeeees 3 4 3 4 pH detector wiring oerien dante dk Rae ea pe heehee Ea E RERA 3 7 3 5 Wiring cable to intermediate terminal bOX 0 eee cee ceteceeceseeeeeeseeeeeeeeees 3 9 3 6 Output Signal Cable Wiring oo ee cece eseecse cee caeceseesecnaeseceseeeseeeeeeees 3 9 3 7 Contact output Wiring oo eee ae ESI EEE O T Ser EKE E EE OAE AU EE 3 9 3 71 Wiring when s 1 18 used eree e geecdette steeds coker hate ae oeit 3 9 3 7 2 Wiring for S2 for two contact output case or S2 S3 and S4 four contact output CASE eee eeeeeeseceeeeeeeeceseeceeeeenaeeeeeeee 3 11 3 8 Power and Ground Wiring escosesa ieee ie rE E rena ERAEN 3 12 4 Overview of Operation Panel eessoesssccssccssocesocesooesoocsssecssocesocesoosesosessecssocesocssssssss G2 L IM 12B11A01 01E 4 1 Overviews of names and functions of operation panel keys ee 4 1 AD Key Operation soene m aki hehe as natite ein ih adenine ete 4 2 4 3 Switching display Sereens erisera E etd eat E EE SERS 4 3 4 4 Display screen examples cicien r aae aa E 4 4 44 1 Initial displayen onini ee ao a E a 4 4 44 2 MEasurement Sere N t o ro reee A e aren ke o Taea e o EEEN EE N i S 4 5 44 3 Calibration SCreen ic ecsiccccssecsadsccbsces ibsvens ioes sesser rtea Sere EErEE RESE r EREA SEES 4 6 AAA Sett
26. and 4 other parameters in the order listed to enable desired operation for process pH control 1 Analog output parameters This screen is for user setting of analog output related settings 2 Calibration parameters This screen is for user setting of calibration related settings 3 Alarm parameters This screen is for user setting of alarm related settings 4 Other parameters This screen is for user setting of parameter settings other than 1 to 3 above AN Note See Sec 4 Overview of Operation Manual and table of LED display symbols in preface to this manual IM 12B11A01 01E 5 1 1 Analog output parameter setting screen Ao PA displayed at top of screen This screen is for user setting of analog output related settings A list of menu options on this screen is shown below Table 5 1 Parameter Setting range Initial value Noe e Menu Title NA not applicable Range low 2 0 16 0pH High amp low at limit least pH2 apart Range high 2 0 16 0pH High amp low at limit least pH2 apart Hold during 0 No Hold Maintenance 1 Hold 2 Set value Hold output 2 0 20 8mA setting Hold if 0 No Hold 1 Burn out down scale 2mA abnormal 1 Burn out down scale 2mA T5 1E EPS 5 2 IM 12B11A01 01E 5 Operation Example flow chart for analog output parameter setting is shown below B5 Measurement screen Press Akey Press SET ENT for 3 esc for 3 sec Ao PA
27. arting calibration set the parameters relating to manual calibration Procedure for Manual Calibration 1 On the measurement screen press W key for 3 seconds to switch to manual calibration screen M CAL is shown on the auxiliary display 2 Wash the pH electrode in pure water 3 Dip the detector in the standard solution arbitrarily selected for the first calibration point 4 Press SET ENT key CALI on the auxiliary display blinks meaning beginning first point calibration 5 Press SET ENT key If temperature compensation is set to Manual user entry you then need to set the standard solution temperature the Auxiliary display shows 25 C with the 5 blinking you can change this setting using the A W keys 6 Press the SET ENT key and the measured value is displayed flashing The Auxiliary display shows CAL1 7 Wait for the reading to stabilize then press the SET ENT key The first digit of the measured value blinks and the Auxiliary display shows the temperature 8 Press the A W keys to adjust the displayed pH to the value after temperature compensation 9 Press the SET ENT key again to update the calibration data The measured value blinking stops and the Auxiliary display shows Ent1 blinking Note To repeat the measurement and calibration at this point press A W keys simultaneously 10 Press SET ENT key The results of calibration at the first calibration point are displayed No
28. ary display shows Good blinking If results are abnormal the auxiliary display shows an error code 18 Pressing SET ENT key again reverts to original ACAL display If data is abnor mal then the calibration data is updated 19 To revert the detector to online measurement of the process press A key for at least 3 seconds and the measurement screen reappears Measurement screen To EXA OH100 CC Thermoneter Press A key Press V key Provide thermoneter for 3 sec for 3 sec when temperature compen pH electrode sation is user setting Wash thoroughly before EXA PH100 placing in standard soln rmo a Hf b of H7 standard SET ENT ki lt ACA pei ey solution Temperature compensation by Temperature sensor ere cs EXA _PH100 rT CED SET ENT key You can select pH4 with A key EXA_PH100 EXA_PH100 SET ENT key 3 Temperature E You can select pH7 with W key Temperature compensation user setting V EXA __PH100 Enter reading of thermometer in standard solution using A or Y keys V PH100 Converter judges the stability of the emf SET ENT key Afer temperature compensation calibrates pH First calibration point result stored in the converter f Measurement value blinking stops Auxiliary display blinks Ea SET ENT key Pressing A and key together reverts to the to
29. bration both points in this case calibration results are not reflected in any measurement values 11 Auxiliary display shows CAL4 blinking meaning start pH4 calibration PH value of standard solution to be clibrated will be display due to setted parameter 12 wash the pH electrode thoroughly with pure water and dip the detector into the second standard solution 13 Press SET ENT key For manual temperature compensation manually set temperature set the tempera ture of the standard solution Measured value display shows the measured value Auxiliary display shows the temperature in 1 C units used for first calibration point with the least significant digit blinking 14 Use A and W keys to set the temperature on the auxiliary display 15 Pressing SET ENT key causes the measurement value on the measurement to blink The Auxiliary display shows CAL4 IM 12B11A01 01E 6 Calibration with standard solution 16 The converter waits until the measured electrode emf representing the pH value stabilizes performs temperature compensation and calibrates the first pH value Measurement value on measurement display stops blinking Ent4 blinks on Auxiliary display Note if you want to repeat calibration with the same standard solution press A and W keys at the same time for cancel 17 Press SET ENT again to start the calibration calculation If the calibration results are normal the auxili
30. dicates that the operator must refer to the instructions in this manual in order to prevent the instrument hardware or software from being damaged or a system failure from occurring Ay CAUTION This symbol draws attention to information essential for understanding the operation and functions A Tip This symbol gives information that complements the current topic CN SEE ALSO This symbol identifies a source to which to refer B Protective Ground Terminal Function Ground Terminal Do not use this terminal as the protective ground terminal v Alternating current IM 12B11A01 01E Safety Precautions NOTICE and Cautions IM 12B11A01 01E Check specifications When the instrument arrives unpack the package with care and check that the instrument has not been damaged during transportation In addition please check that the specification matches the order and required accessories are not missing Specifi cations can be checked by the model codes on the nameplate Refer to Chapter 1 2 Specifications for the list of model codes Details on operation parameters When the PH100 panel mount pH Converter at the user site it will operate based on the operation parameters initial data Table 5 1 to 5 5 set before shipping from the factory Ensure that the initial data is suitable for the operation conditions before conducting analysis Where necessary set the instrument parameters for appropriate operation For de
31. e point calibration select one type of standard solution from among pH4 pH7 and pH9 A CAUTION In the US select one from among pH4 pH7 and pH10 Prepare two clean containers of size about 200ml and water e g pure water for washing the pH electrode 3 Preparation for manual calibration For two point calibration select any two of the pH standard solutions But the two selected need to differ in pH by at least pH2 For one point calibration use any one of the pH standard solutions Prepare two clean containers of size about 200ml and water e g pure water for washing the pH electrode A CAUTION When manual temperature compensation is to be performed provide a thermometer for measuring the temperature of the standard solutions IM 12B11A01 01E 6 7 6 4 Auto calibration with standard solution 6 4 1 6 4 2 6 8 Setting parameters for auto calibration Set parameter for auto calibration as per Fig 5 2 before starting auto calibration Procedure for auto calibration This section describes as an example two point auto calibration using standard liquids of pH7 and pH4 1 On the measurement screen press W key for 3 seconds to switch to the auto calibration screen Measured value display shows current measured value For example 6 86 Auxiliary display shows A CAL 2 Wash the pH electrode thoroughly with pure water 3 Dip the detector head in the first standard solution 4 Press SET
32. ecalibration Tf the above steps do not cure the problem the sensor is probably at the end of its life replace it 8 3 7 Abnormal Slope of sensor emf characteristic Aux display C 03 Cause For two point calibration the slope of the sensor characteristic is checked to confirm that it is between 70 and 110 Cure Check if sensor is dirty clean the electrode if it is Check that correct standard solution is being used for calibration If performing calibration manually maybe a wrong value was entered Try recalibration Tf the above steps do not cure the problem the sensor is probably at the end of its life replace it 8 3 8 Unstable Sensor Reading Aux display C 04 Cause The sensor reading failed to stabilize within five minutes Cure Check if sensor is dirty clean the electrode if it is Tf the above step does not cure the problem the sensor is probably at the end of its life replace it 8 6 IM 12B11A01 01E Revision Record Manual Title Model PH100 Panel Mount pH Converter Manual Number IM 12B11A01 01E Edition Date Remark s Ist Apr 2003 Newly published
33. er will be charged to the customer In the following cases customer will be charged repair fee regardless of warranty period e Failure of components which are out of scope of warranty stated in instruction manual e Failure caused by usage of software hardware or auxiliary equipment which Yokogawa Electric did not supply e Failure due to improper or insufficient maintenance by user e Failure due to modification misuse or outside of specifications operation which Yokogawa does not authorize e Failure due to power supply voltage frequency being outside specifications or abnormal e Failure caused by any usage out of scope of recommended usage e Any damage from fire earthquake storms and floods lightning disturbances riots warfare radiation and other natural changes Yokogawa does not warrant conformance with the specific application at the user site Yokogawa will not bear direct indirect responsibility for damage due to a specific application Yokogawa Electric will not bear responsibility when the user configures the product into systems or resells the product Maintenance service and supplying repair parts will be covered for five years after the production ends For repair for this product please contact the nearest sales office described in this instruction manual IM 12B11A01 01E V vi IM 12B11A01 01E Contents A Introduction e ssoseossssocesssoossssoocessoseosssscossssoo
34. erval Refer to Sec 6 for the calibration procedure Checking the KCI in the Detector If you use a refillable sensor you should periodically top up the KCl A CAUTION For the procedure for topping up the sensor refer to the instruction manual for the sensor you are using IM 12B11A01 01E 7 1 7 2 Preventative Maintenance 7 2 1 PH Converter Terminal Isolation There needs to be a high resistance between the input terminals of the pH converter Check the converter terminals once or twice a year to confirm that they are not dirty and have not been affected by condensation or frost 7 2 2 Check the Display of the pH Converter Use soft cloth or tissue paper to clean off any dirt on the display of the EXA PH100 pH converter If required you may use neutral detergent to remove dirt but avoid using organiz solvents 7 2 IM 12B11A01 01E 8 Troubleshooting 8 Troubleshooting 8 1 Unexpected value displayed narrowing down problem to converter or sensor Ay CAUTION If you request Yokogawa to narrow down the problem to converter or sensor as follows then expenses such as travel to site will be incurred A If you think the displayed value is incorrect STEP 1 e Check the KCl level in the sensor 1 For PH10FP If low top up with KCl 2 For PHIORP See STEP 2 below STEP 2 e Check if sensor electrode is dirty If dirty clean the electrode as follows 1 Remove protective cover on tip of sensor 2 Use c
35. f the instrument pull the cables into the instrument in the direction shown in Fig 3 2 A CAUTION There s a terminal wiring diagram on the instrument nameplate on the side of the instrument Pull in cable from left side Terminal name Terminal name S1 NC D O S1 NO re GE COM1 WO F S S2 4 4 RE 3 RES S4 amp SE COM2 O L HOD T1 L KO D T2 N TO HOJ maw Te mA pH sensor Analog output cable cable Power wiring Ground wire Converter rear panel F3 2 EPS Fig 3 2 Direction to pull in wiring 3 2 IM 12B11A01 01E 3 2 Noise prevention IM 12B11A01 01E Noise sources The following are typical sources of electrical noise Relays and contacts Solenoid coil solenoid valve Power lines Inductive loads Inverters Motor commutators SCRs used for phase angle control Wireless transmitters Welding equipment High voltage ignition systems Noise prevention When wiring take the following precautions to minimize the effects of noise Keep input circuit wiring as far as possible from power or ground wiring 3 Wiring Shielded wires with single point grounding are effective for
36. g 2 4 Procedure 1 Cut out panel to mount instrument cut out dimensions are shown on previous page Procedure 2 Insert rear of instrument terminal block side in panel cutout Procedure 3 Mount top and bottom brackets see figure to fix instrument to panel When detector output is to be prewired refer to Sec 3 4 2 A WARNING If instrument is a tight fit in cutout do not force it as case or mounting brackets may be damaged 2 4 IM 12B11A01 01E 2 Preparation for Operation A WARNING The instrument may be installed with the rear inclined at an angle up to 30 below front Do not incline with front below rear F2 5 EPS Fig 2 5 IM 12B11A01 01E 2 5 2 6 IM 12B11A01 01E 3 Wiring 3 Wiring This section explains wiring of the EXA PH100 pH converter A WARNING IM 12B11A01 01E Be sure to turn off power supply and check with a tester or the like that connected cables do not have dangerous voltages applied Do not touch terminals if power may be applied The recommended specifications for wiring terminals are shown below Use crimp on terminals designed to fit an ISO M3 5 screw with an insulating sleeve 3 7mm Up to 7mm 3 7mm F3 1 EPS Recommended terminals Table 3 1 Japan AMP Co Ltd 1 25 YS3A Datemi 0 8N m 8 kgf cm Up to or Tess JST Co Ltd YD1 25 3 5 T3 1 EPS 3 1 3 1 Pulling in Wiring When wiring cables to terminals on the rear o
37. h Standard Solution 0 0 0 eee eeceeeeeeeneeeeeeeeeeeeeeeeeees 6 12 6 5 1 Manual Calibration Parameter Settings 00 eee eseseceeeeeeneeeees 6 12 6 5 2 Procedure for Manual Calibration ceeeeeesseceeeeceseeeeeceneecneeeeneeeee 6 12 6 6 Canceling Calibrations c ci cscs weiss cesccesteveencts ssteesestssuenscb aus ca csbsnevbenseeduensenss 6 14 6 7 Error during Calibration Sisse ec eeceeeeeeceseeeeecneeeeecaeesaecaeaececeseeeseeseees 6 14 6 7 1 Recovering from an Error oo eee ceeeeeceeeeeeeeseeeeeeseesaecaeeeaeceesaeenaes 6 14 6 7 2 Quitting Calibration oo ce cece ceeeeeeceeeeeeeeseeseecaeeeaecaeesaecsaeaeenees 6 14 7 Maintenance and Cleaning sccccscsccsssscssssssssssscessssssssssssssssssscssssssessessssssssssseees 771 EA Renodic Maintenance vses scceaeeccusctesse caus cateerette sevsess ovestheane concbesetecs wesepedl Geeteentes 7 1 TAAL Bl ctrode cleanings aaa T O EE ESEA STARETE EEES 7 1 7 1 2 Calibration with Standard Liquid 0 eee cece ceteeeeceeeeeeceeeeeeeeeeees 7 1 7 1 3 Checking the KCI in the Detector cece ceseeeeceseeeeceeeeeeeeeeees 7 1 7 2 Preventative Maintenance 00 cs ceecessecesceceseecsseeeeeeceeeeeseceeeeeaeceseeceeeesaeeenees 7 2 7 2 1 PH Converter Terminal Isolation ce eeeeecesseceececeseeesseceececereeeneeesees 7 2 7 2 2 Check the Display of the pH Converter eee ceseeseeeeeeeeees 7 2 8 Tro bl shooting aiacsscssvvecties scacsdecatsesartadadsadeasacdonsdissd
38. h limit alarm 4 high high limit low low limited alarm 5 abnormal 0 0 4 0 pH 0 high limit alarm 0 1 pH S1 delay time 0 200 seconds 0 S2 0 high limit alarm 1 low limit alarm 2 high high limit alarm 4 high high limit low low limited alarm 5 abnormal 1 low limit alarm S2 hysteresis 0 0 4 0 pH 0 1 pH S2 delay time 0 200 seconds 0 S3 S3 hysteresis 0 high limit alarm 1 low limit alarm 2 high high limit alarm 4 high high limit low low limited alarm 5 abnormal 0 0 4 0 pH 2 high high limit alarm when suffix code is 21 S3 does not appear when suffix code is 21 HY3 does not appear S3 delay time 0 200 seconds 0 high limit alarm 1 low limit alarm 2 high high limit alarm 3 low low limit alarm 4 high high limit low low limited alarm 5 abnormal 3 low low limit alarm when suffix code is 21 dLY3 does not appear when suffix code is 21 S4 does not appear S4 hysteresis 0 0 4 0 pH when suffix code is 21 HY4 does not appear S4 delay time 0 200 seconds when suffix code is 21 dLY4 does not appear high limit alarm 2 0 16 0pH low limit alarm 2 0 16 0pH high high limit alarm 2 0 16 0pH low low limit alarm 5 6 2 0 16 0pH T5 3 EPS IM 12B11A01 01E IM 12B11A01 01E 5 Operation Example flow chart for setting alarm parameters is shown below G86
39. he pin terminal is prone to pulling out resulting in unreliable measurements 3 7 pH converter terminal no Cable core color code for PH8EFG and PH8ERG pH detectors 11 Do not use 12 Red GE 13 Yellow S 14 Brown RE 15 Do not use 16 Green SE 17 White T1 18 Black T2 A CAUTION When using the PH8EFG or PH8ERG which have pin terminals be sure to replace the SE pin terminal with a forked terminal as if you use the pin terminal is prone to pulling out resulting in unreliable measurements You can t measure temperature by connecting to T1 T2 use manual temperature compensation 4 pH converter terminal no Cable core code for FU20 pH detectors 11 Do not use 12 15 GE 13 16 S 14 13 RE 15 Do not use 16 14 SE 17 11 T1 18 12 T2 nin CAUTION FU20 cable core numbers do not agree with converter terminal numbers so care is required 3 Use wiring clips to hold the pH sensor cable in place 4 Replace the shielding cover removed instep 1 above Be careful not to pinch the sensor wiring with the cover when replacing it 3 8 IM 12B11A01 01E 3 Wiring 3 5 Wiring cable to intermediate terminal box When the EXA PH100 pH converter is separated by a distance from the pH detector use the EXA WTB100 terminal box and EXA WFI100 extension cable to connect them 3 6 Output Signal Cable Wiring A DANGER To minimize the danger of shock before connecting or disconnecting wi
40. hnical standard table or DIN standard solution table 6 5 Example flow chart for setting of auto calibration two point calibration at pH9 and pH7 using JIS standard calibration table Press A key for 3 sec Press A key for 3 sec Calibreation screen Calibration method setting Calibration points Press SET ENT for 3 sec SET ENT key Change value with A and Y keys Meaning of the parameter Auto calibration 0 initial value Manual calibration 1 Two point calibration with standard solution SET ENT key SET ENT key rewrites data zs CLEP Meaning of the parameter One point calibration 0 calibration so can leave as is One point calibration with standard solution 6 6 SET ENT key Meaning of the parameter JIS 0 initial value PH DIN 1 STN A Y US 2 Standard solution calibration table type Fig 6 5 Note only applies for one point Meaning of the parameter pH7 and pH4 0 initial value pH9 and pH7 1 lt chande to this setting pH9 and pH4 2 pH F6 5 EPS IM 12B11A01 01E 6 Calibration with standard solution 2 Preparation for auto calibration For two point calibration select two types of standard solution from among pH4 pH7 and pH9 A CAUTION In the US select two from among pH4 pH7 and pH10 For on
41. if possible connecting a bleeder resistor in parallel with the relay or the like that is the load can improve contact reliability 3 If you connect an inductive load like a solenoid valve or slave relay then in parallel with the contacts you should connect a CR filter when switching AC or a diode when switching DC or contact life may be affected Contact life is typically at least 10 000 switching operations with a resistive load 4 Use the recommended terminals to terminate connecting cables and make sure that they are the correct size to match the cable core diameter Terminal no Lo F3 9 EPS Fig 3 9 3 11 3 8 Power and Ground Wiring Power This wiring should connect a power source of the correct voltage and fre quency to the EXA PH100 pH Converter The power wiring should be heavy vinyl sheath cable rated at 600V specifications equivalent to JIS C 3307 Ground Ground to earth ground resistance 100 ohms or less Use a sufficiently heavy cable cross sectional area of 2 mm or greater Use the recommended terminals to terminate connecting cables and make sure that they are the correct size to match the cable core diameter A terminal cover is fitted to reduce the risk of electric shock when power is applied When connecting contact output wiring you need to loosen the two cover screws to remove the cover After completing the wiring take care not to forget to replace
42. ing SCreen nieee ere eos ieres S Eeee Eea SEE EEEE die SEES 4 7 vii So Operati M ossis ls otsoko ea oeras S SESE ASSE EE EREE eaa atid eee ee L Sl StartUp eera a ie kee E E N E E ER 5 1 SLF Check WINE ere aaae ienee enere kai ASE SEE ASEET Ee EREE CESE 5 1 5 1 2 Start up pH convertet iseset r eea s oes ieee ai E e ia ih 5 1 5l 3 Data Setting neures ana KEA en ala ee 5 1 5 1 4 Temperature Calibration 0 0 orooro arerio pika rE eoan raa 5 10 5 1 5 Calibration with Standard Liquid 0 e eee ee eeeseecseensecaecnsecneenseesees 5 10 22 Test Op ratiotys ssc cicic e e tind as eka e Ea E EERTE 5 11 5 37 Norm l operatio nme nnee E N A E E 5 11 5 4 Stopping and Restarting Operation ssseeesssesssrssrsrsseseeserersreeresreresrsresrrsene 5 11 6 Calibration with standard solution ccccccccscscssssscssssssssscscscscscssscscssssssscscssssscsees O L 6 1 Important issues relating to calibration with standard solution 0 6 1 6 2 Calculations involved in Calibration with Standard Solution 6 2 6 3 Preparations sisiisstegescsib ss ecHawees sess ess as pae EE aA EEE EE AEE EEEE 6 5 6 4 Auto calibration with standard solution 0 ee eeeeeeseeeseeeeeeceeceeeeceeeeenseeeeeees 6 8 6 4 1 Setting parameters for auto calibration 20 00 eect ceteceeeeseeeeeeeeee 6 8 6 4 2 Procedure for auto calibration ee ceeeeseeceeeeceeceeeeeeeeeesaeceeeecnaeeeneeesees 6 8 6 5 Manual Calibration wit
43. ke the cause be clear by following the on and treat immediately Also please be sure to perform the daily checks and maintenance described in Sec 7 in order to maintain reliable operation 5 4 Stopping and Restarting Operation IM 12B11A01 01E After changing settings be sure to wait at least 2 seconds before turning off the power In other cases no special precautions are required To stop operation simply turn off the power supply To restart operation simply restore power and parameter values remain the same as before the power failed 5 11 5 12 IM 12B11A01 01E 6 Calibration with standard solution 6 Calibration with standard solution The emf characteristics of pH electrodes vary between electrodes and vary with elec trode aging The variability of pH detectors that are used only for short periods can be particularly high The variability of pH detectors that are used only occasionally for short periods can be particularly high So there is a need for electronic circuitry to perform automatic compensation of pH Calibration with standard solution involves measuring the pH of standard solution of known pH and adjusting the pH meter to show the correct pH value Calibration with standard solution of the EXA PH100 pH converter can be either automatic calibration using standard solutions of two predetermined pH values chosen from pH 4 7 and 9 JIS and manual calibration using arbitrary standard solution 6 1 Imp
44. lean water to wash glass electrode reference electrode and junction 3 If the stains don t wash off use cotton wadding 4 Chemical metallic stains may be removed by dipping for several minutes in dilute hydrochloric then washing 5 If stains on the ceramic junction do no wash off you may clean the surface with sandpaper lt Wash periodically gt lt If there are metallic stains gt water After a few minutes Use cotton wad Temperature sensor zj Glass electrode Ltd a m Dilute hydrochloric acid Wash in water STEP IM 12B11A01 01E 8 1 8 2 STEP 3 e Use standard solution or special solution and calibrate Case 1 If calibration ends normally but displayed value is still abnormal then electrode life is over Case 2 If there are no errors but calibration does not end normally refer to B Below Case 3 If there are calibration time errors refer to C Below B If you think calibration is not being performed normally 1 Use a new batch of standard calibration solution 2 Perform Step 1 and Step 2 in A above 3 If things don t proceed normally even if calibration is repeated The electrode life is over Get a new one If there are calibration time errors Follow the procedure shown in the flow chart below Refer to Sec 8 2 for error details If any of standard calibration errors C 01 C 02 C 03 or C 04 occur as standard solution Prepare a new batch
45. n is fixed Error 1 pH Measurement Out of Range Aux display E 01 Cause The pH measurement is outside the range 2 to 16 Cure Check connection between pH sensor and converter Check the insulation of the cable terminals and check for corrosion of the electrode Tf there is corrosion of the electrode replace the sensor Error 2 Temperature Measurement Out of Range Aux display E 02 Cause The temperature measurement is outside the range 15 to 115 C Cure Make sure that the measurement liquid is within the above temperature range 10 to 110 C Check the connection between the sensor and converter Tf the measurement liquid is within the above temperature range but this error occurs then the temperature sensor is bad and the pH sensor should be replaced IM 12B11A01 01E 8 Troubleshooting 8 3 3 Error 3 Temperature Sensor Abnormal Aux display E 03 Note that if the wiring is broken then E 02 is displayed The display alternates between E 02 and E 03 Cause May occur if sensor used and converter sensor setting do not agree Cure Remove temperature sensor from measured liquid so that it is at room temperature disconnect cable from converter and measure resistance between terminals of RTD sensor Check the resistance against that indicated in table 8 3 to check if it s normal Check that sensor setting in converter agrees with actual temperature sensor used
46. nds of standard solution for manual calibration of the EXA PH100 pH converter choose two arbitrary standard solutions and adjust the asymmetry potential and slope so that the calibration chart passes through the first and second calibration points Fig 6 4 A CAUTION It will need more than a pH difference of at least 2 between pH values of the two kinds of standard solution Second calibration point mV Theoretical value pH7 OmV pHO pH14 ee potential NG first calibration point N calibration curve slope F6 4 eps Fig 6 4 IM 12B11A01 01E 6 Calibration with standard solution 6 3 Preparation IM 12B11A01 01E 1 Selection the calibration method On the calibration parameter setting screen select the calibration method automatic calibration or manual calibration On the calibration parameter setting screen select one point calibration or two point calibration Usually we recommend two point calibration 1 Two point calibration Select combination of standard solutions from the following pH7 and pH4 pH9 pH10 and pH7 pH9 pH10 and pH4 if US technical standard solution table selected 2 One point calibration Select standard solution from the following pH7 pH4 pH9 pH10 if US technical standard solution table selected On the calibration parameter setting screen select the kind of standard solution calibration table from JIS e NIST standard solution table US tec
47. ne point calibration at pH7 mV mV F6 1 EPS Fig 6 1 When you measure the pH of solutions that have nearly the same pH as a standard solution you can use auto one point calibration a simple method of calibration that gives sufficient accuracy in this case 2 When using two kinds of standard solution for two point automatic calibration of the EXA PH100 pH converter choose two standard solutions pH4 pH7 or pH9 and adjust the asymmetry potential and slope so that the calibration curve passes through the first and second calibration points Fig 6 2 Second calibration point pH4 Second calibration point pH4 mvV Theoretical value pH7 OmV 7 pH14 Asymmetry potential First calibration point pH7 mV Calibration curve slope F6 2 EPS Fig 6 2 6 2 IM 12B11A01 01E 6 Calibration with standard solution 3 When using one kind of standard solution for manual calibration of the EXA PH100 pH converter choose any of the standard solutions and draw the calibration curve through the calibration point Fig 6 3 calibration curve mvV Theoretical value pH7 OmV pHO pH14 7 Asymmetry potential Theoretical value calibration point when using arbitrary standard liquid mV F6 3 EPS Fig 6 3 J N CAUTION Calibration point represents the electrode emf corresponding to the pH value of the standard solution used IM 12B11A01 01E 6 3 4 When using two ki
48. ode the error code E 01 may be displayed This does not indicate a defective sensor the electrode may need to be soaked in water for a day before it is ready for use E When error E 04 occurs e Converter is abnormal Cycle power OFF then ON again and if the problem persists then send it in for servicing nin CAUTION If you request Yokogawa to remove or replace the converter then expenses such as travel to site will be incurred IM 12B11A01 01E 8 3 8 2 Error Display If any abnormality is detected in the EXA PH100 pH converter a blinking error code is displayed FAIL contact output may also be set and any pH converter abnormality is also displayed If analog output hold is set then burnout downscale 2 mA The mean ing of the different error numbers is as follows Table 8 1 Error no Aux display Error detail 1 E 01 pH measurement out of range E 02 Temperature measurement out of range E 03 Temperature detector abnormal E 04 Converter abnormal T8 1E eps Table 8 2 Error no Aux display Error detail Standard solution temperature out of range Asymmetry potential abnormal Sensor emf characteristic slope abnormal Sensor reading unstable T8 2E eps Details of error codes are described below 8 3 Fixing Error Status 8 3 1 8 3 2 The action you should take when a particular error code is displayed is described below The error code will not go away unless the error conditio
49. on Display Display Digital LED Range 2 00 to 16 00 pH Resolution 0 01 pH pH reading 1 C temperature reading Indication items pH reading setting status temperature 1 Indication enabled disabled selectable Input signal pH input range 2 to 16 pH pH input impedance 10 Q or more Temperature input Pt1000 Pt100 Pt1000 500 Q Pt1000 10 KQ Pt1000 6 8 kQ 2 Must be specified when ordering Temperature input range 10 to 110 C Transmission signal output Number of output points 1 output pH reading only Output signal 4 to 20 mA DC isolated Load resistance 600Q or less Transmission signal range Configurable within pH 2 0 to pH 16 0 Detault pH0 0 to pH 14 0 Minimum span 2 pH Maintenance output signal Output hold enabled disabled selectable Hold output value Last measured value preset value 2 0 to 20 8 mA selectable Fail output signal Downscale burnout 2 mA enabled disabled selectable 1 2 IM 12B11A01 01E 1 Overview Contact output Contact type Relay contact output Number of contacts 2 or 4 outputs must be specified when ordering Contact action On Off action Contact functions Selectable High low high high low low high high low low limit alarms FAIL Contact output hysteresis 0 0 to 4 0 pH configurable Contact output delay time 0 to 200 seconds configurable Contact rating When 2 contact outputs specified S1 240 VAC
50. ong magnetic fields 9 The converter should not be exposed to moisture 10 The converter should not be mounted near flammable materials 11 The converter should not be exposed to strong UV light The case of the converter is made of flammable polycarbonate resin and the bezel is flammable ABS resin so the converter should not be mounted above flammable materi als If there will be flammable materials in the vicinity they should be separated from the converter top bottom left and right sides by a clearance of at least 150 mm and the converter covered by a plated steel plate at least 1 43 mm thick or an uncoated steel plate of thickness 1 6 mm 2 1 F2 1 EPS Fig 2 1 2 3 External Dimensions e pH Converter Unit mm Shield cover A ry oy e o D Oo 8 D y y Terminal cover EXA PH100 Lp LE Lp lt lt ooo x GUU OTH se lo RABE AICANCELDS CAL MEAS 100 2 2 F003 EPS IM 12B11A01 01E 2 Preparation for Operation 2 4 Panel Cutout Dimensions Unit mm 125 Min z LO vt N O oer Fig 2 3 IM 12B11A01 01E 2 3 2 5 Mounting Large brackct mount at top Side of panel Insert driver as shown to tighten bracket Small bracket mount at aN Fi
51. ontents of this manual are subject to change without prior notice e The contents of this manual shall not be reproduced or copied in part or in whole without permission e This manual explains the functions contained in this product but does not warrant that they will suit the particular purpose of the user e Every effort has been made to ensure accuracy in the preparation of this manual However should any errors or omissions come to the attention of the user please contact the nearest Yokogawa Electric representative or sales office e This manual does not cover the special specifications This manual may be left unchanged on any change of specification construction or parts when the change does not affect the functions or performance of the product e If the product is used in a manner not specified in this manual the safety of this product may be impaired 2 Safety and Modification Precautions e Follow the safety precautions in this manual when using the product to ensure protec tion and safety of personnel product and system containing the product 3 The following safety symbols are used on the product as well as in this manual A DANGER This symbol indicates that the operator must follow the instructions laid out in this manual in order to avoid the risk of personnel injury electric shock or fatalities The manual describes what special care the operator must exercise to avoid such risk A WARNING This symbol in
52. ortant issues relating to calibration with standard solution Standard solution temperature C 1 Be careful to use the standard solution marked with the correct pH If the pH standard solution has deteriorated and its pH changed calibration will not be accurate Note when automatic calibration is used choose two standard solutions from those pH4 pH7and pH9 shown in Table 6 1 2 If the temperature of the standard solution is changing the measured pH value will not stabilize At calibration time keep the standard solution at constant temperature 3 During auto calibration do not touch ENT or A V keys as calibration values may be affected Table 6 1 JIS Z8802 standard solution 4 00 6 92 IM 12B11A01 01E 9 33 T6 1 EPS 6 1 6 2 Calculations involved in Calibration with Standard Solution 1 When performing auto one point calibration of the EXA PH100 pH converter using one type of standard solution use one of the standard solutions pH4 pH7 or pH9 and adjust the asymmetry potential so that the calibration curve passes through the calibration point see Fig 6 1 Calibration curve Calibration curve mV PA mV N Theoretical value Theoretical value N pH7 0mV Calibration point for a pH7 OmV one point calibration at pH4 pHO pH14 io y pH14 Asymmetry potential R Asymmetry potential a SN Calibration point for N N o
53. p screen 2 compensation by Temperature sensor EXA PH100 Thermometer Provide thermometer when temperature compen sation is user setting Measurement value blinking stops Auxiliary display blinks EXA _PH100 pH electrode RLY Wash thoroughly before placing in standard soln T pH4 standard solution Temperature compensation user setting y Enter reading of thermometer in standard solution using A or W keys vV EXA 100 ali 1 SET ENT key Converter judges the stability of the emf ml TRES V E gt PH e fter temperature compensation calibrates pH EXA _PH100 i Measurement value blinking stops Auxiliary display blinks 7 SET ENT key 4 EXA _PH100 m Second calibration point result stored in the converter SET ENT key Press A and keys together to repeat this calibration step lt EXA _PH100 oh Press A key for 3 sec to revert to process measurement Measurement screen F6 6 EPS Fig 6 6 Two point auto calibration using standard solution of pH7 and pH4 IM 12B11A01 01E 6 9 6 10 Here we describe an example of one point auto calibration method using a standard solution of pH7 1 On the Measurement screen press the W key for three seconds to switch to the autocalibration screen The current measurement value is displayed for example 6 86 The Auxiliary display
54. re calibration For best accuracy leave the detector until its temperature has stabilized this usually takes about two minutes before reading the thermometer setting that temperature into the conductivity converter and calibrating Temperature calibration can be performed in the range 15 C to 115 C and the compensation value pH detector measured temperature minus thermometer measured temperature should be within the range 20 C to 5 C Calibration with Standard Liquid The emf of the glass electrode varies a little between electrodes Before stareting normal operation calibrate with standard solution The emf of the electrode will also vary if it gets dirty or as the electrode ages so recalibration needs to be performed periodically at frequent enough intervals to keep error within rated tolerance The procedure for calibration with standard liquid is described in Sec 6 IM 12B11A01 01E 5 Operation 5 2 Test Operation To check if operation of the EXA PH100 pH converter is normal monitor it in test operation mode for a while 5 3 Normal operation From the parameter setting screen press the key for at least 3 seconds to return to the measurement screen Apart from when changing settings or calibrating with standard solution during normal operation there should be no need for operating this machine If an error message is displayed or the output scales out refer to Sec 8 for troubleshoot ing please ma
55. res be sure to confirm that the pH converter power is OFF The output signal wiring from the PH100 converter connects to recorders or the like Use two core shielded cable for this wiring 1 Connect connecting cable to the terminals Be sure to use the recommended termi nals and be sure that they are the correct size for the cable copper core diameter 2 As shown in Figures 3 4 and 3 5 of Section 3 3 ground to earth and ground connec tion at one point only 3 7 Contact output wiring 3 7 1 Wiring when S1 is used A terminal cover is fitted to reduce the risk of electric shock when power is applied When connecting contact output wiring you need to loosen the two cover screws to remove the cover After completing the wiring take care not to forget to replace the cover Terminal no F3 6 EPS Fig 3 6 Relay contact output wiring If you want to connect a load which exceeds the contact rating voltage rating 240 V AC current rating 3A resistive load 30 VDC 3A resistive load then you need to use a slave relay Tf you connect an inductive load like a solenoid valve or slave relay then in parallel with the contacts you should connect a CR filter when switching AC or a diode when switching DC or contact live may be affected IM 12B11A01 01E 3 9 3 10 A WARNING Be sure to disconnect power before removing the terminal cover Since there is the danger
56. sccaisriedacdesteadeusddsseadecdcadeisttsbecdadieass OEL 8 1 Unexpected value displayed narrowing down problem to converter OF Sensor s eesesereeeeeeersererreeeee 8 1 822 4 Error DIES t E DAAE EE EEE cose te E EE EE tere E EEE 8 4 8 3 Fixing Error Stausee e E R a Gave EE E RERA 8 4 8 3 1 Error 1 pH Measurement Out of Range essseeeseesessererrsresrsreerrrrerrereee 8 4 8 3 2 Error 2 Temperature Measurement Out of Range eee 8 4 8 3 3 Error 3 Temperature Sensor Abnormal esesessseeeeseeeerssrerssreresreersreee 8 5 8 3 4 Converter Abnormal occ ee cseseceecssecseceseeseceseeseceseeeceeeeeseeeeeaseneeage 8 5 8 35 Calibration Error sissioni sssascevesssestststscs sons sasatevetsidesbeassaiisassssssovisesteoes 8 5 8 3 6 Asymmetry Potential Abnormal 0 0 lee ceseeeeceseeeeceeeeeeeeseeeeseneeees 8 6 8 3 7 Abnormal Slope of sensor emf characteristic cece eeeeeeeeeseeeeeeeee 8 6 8 3 8 Unstable Sensor Reading eee eee cseceeceeceseeseceeeeseeeeeseeeaeeeeseneeees 8 6 Revision Record ssicissicssstestecisceaasscsciexesdccuapeesetoccet ccespessedccsesdcdessceeesecsesacdesacseusdesossecsosccsesedeasee I viii IM 12B11A01 01E 1 Overview 1 Overview 1 1 EXA PH100 pH converter The EXA PH100 pH converter is a panel mount unit with built in general purpose preamp large 4 digit LED display for measured value and 4 digit LED display for settings 1 2 Check the specifications The model number and s
57. ssssooesssosecsssscossssoossssoossssssesssssoossssosossssosssessss For the safe use of this equipment sessesessossescesoesescossesecsossescesoeseccossesoesossescoesoeseesessese lil D NOTICE and Cautions e ssooesssooeessosoossssocesssoossssooeessosecssssoossssoossssoossssssesssssosesssosssssosseee lll Alter sales Warranty sossccsssestcesseeseocsse tsere ceres onas roer oa corea oreson oaeee ro shateatinnco tatoos V i Ms O D a A A ARENSE EEEE TEE T EEEE TOE E EER TEE OE E N 1 1 EXA PH100 pH convertel iseeneses oeeo ped s ee irere krie EE aa S 1 1 1 2 Ch ck the specifications eies 6 scciscsasheies cecsectives RASA set ses wena ct ES 1 1 1 3 Features of the EXA PH100 pH converter eee eee eeeeeee ce cneetneenneenees 1 2 1 4 Standard Specifications eee ceeceeeceeceseeeeeeeeeeneeseecseesaesaecaecasenaeeaees 1 2 2 Preparation for Operation ccsscesscccscsseccsvdeescconcesveasversocssuceoesebseesvecesceencsoveestsconcedvscnydene 2 ZA UMpackim ges casissceceasisee eget ccs sce exes seas uses EE O E east persed antes WIS oer aan eee 2 1 2 2 Choosing an Installation Location ee ee eeeeeeeeeeeeeeeeseeseecaecaecseenaeenees 2 1 2 37 External Dimensions isene pe ea en e ae E E RE 2 2 2 4 Panel Cutout Dimensions 00 eee eeeeeeecenceceseecsseeeeeeceeeeeseceeeeesseceaeeceseecaeeeaees 2 3 25 gt Mounting skssr oee iio perrot see ea eeaeee ao EEs E o EE DESETO SERTE IEIS EEEE T IEEE 2 4 3 iri 3 1 3L Pulling in
58. tails of setting data refer to chapters 4 to 5 When user changes the operation parameters it is recommended to note down the changed setting data Front Panel of PH100 EXA PHIOO pH CP ath Ca CANCELP CA MEAS ENT YOKOGAWA LED Display Symbols e Alphanumerics are represented as follows on the LED display Alphanumerics LED Display Alphanumerics LED Display Alphanumerics LED Display A A Nv n 0 H B o o 1 H c P pP 2 g D d o q 3 J Z E R r 4 uy F F S 5 5 5 G G r 6 6 H H U H 7 n 7 4 H 8 8 s dalr fules g K H x L Y y M A Z IM 12B11A01 01E Safety Precautions After sales Warranty During the warranty period for repair under warranty carry or send the product to the local sales representative or service office Yokogawa will replace or repair any damaged parts and return the product to you Before returning a product for repair under warranty provide us with the model name and serial number and a description of the problem Any diagrams or data explaining the prpoblem would also be appreciated If we replace the product with a new one we won t provide you with a repair report Yokogawa warrants the product for the period stated in the pre purchase quotation Yokogawa shall conduct defined warranty service based on its standard When the customer site is located outside of the service area a fee for dispatching the mainte nance engine
59. tails of the meaning of error codes see Sec 8 2 10 Press the SET ENT key again to update the calibration data If there is any abnor mality the data won t be updated 11 To return the sensor to online process measurement press the 4 key for at least 3 sec to return to the measurement screen IM 12B11A01 01E Measurement screen Press A key for 3 sec Press key for 3 sec SET ENT key EXA PH100 To EXA PH100 Thermometer Provide thermometer pH electrode WO Wash thoroughly pH7 standard solution ad SET ENT key xA PHt00 eee SET ENT key Temperature compensation user setting Temperature compensation by Temperature sensor EXA PH100 reading of thermometer in standard solution using eys SET ENT key 7 6 Calibration with standard solution Measurement screen Press a key for 3 sec I Pressing A and key together reverts to he top screen After temperature compensation calibrates pH Measurement value blinking stops Auxiliary display blinks Second calibration point result stored in the converter SET ENT key F6 7 EPS Fig 6 7 One point auto calibration using standard solution pH7 IM 12B11A01 01E 6 5 Manual Calibration with Standard Solution 6 5 1 6 5 2 6 12 Manual Calibration Parameter Settings Before st
60. te until you have finished the calibration both points in this case calibration results are not reflected in any measurement values Auxiliary display shows CAL2 blinking meaning start 2nd point calibration The measured pH of the standard solution is displayed 11 Wash the pH electrode thoroughly with pure water and dip the detector into the second standard solution 12 Arbitrarily select the standard solution to be used for 2nd point calibration 13 Press SET ENT key For manual temperature compensation manually set temperature set the tempera ture of the standard solution Measured value display shows the measured value Auxiliary display shows the temperature in 1 C units used for first calibration point with the least significant digit blinking 14 Use A WV keys to set the temperature on the auxiliary display 15 Pressing SET ENT key causes the measurement value on the measurement to blink The Auxiliary display shows CAL2 16 Waits for the measured pH value to stabilize then press the SET ENT key The first digit of the measured value blinks and the Auxiliary display shows the tempera ture 17 Press the 4 W keys to adjust the displayed pH to the value after temperature compensation IM 12B11A01 01E IM 12B11A01 01E 6 Calibration with standard solution 18 Press the SET ENT key again to update the calibration data The measured value blinking stops and the Auxiliary display shows
61. the cover A WARNING Be sure to disconnect power before removing the terminal cover Since there is the danger of shock turn off power and confirm that terminals are not live before wiring Under no circumstances should terminals be touched when power is applied A CAUTION The EXA PH100 pH converter does not have a power switch built in You should add an on off switch with two poles to disconnect both sides of the power line 3 12 IM 12B11A01 01E 3 Wiring A WARNING Any errors in power and ground wiring may damage the converter Before applying power to the converter be sure to check the wiring EXA PH100 pH converter Terminal no s Switch provided by user o Power wiring O Power 6 Q 9 o 9 F3 10 EPS Fig 3 10 IM 12B11A01 01E 3 13 3 14 IM 12B11A01 01E 4 Overview of Operation Panel 4 Overview of Operation Panel 4 1 Overviews of names and functions of operation panel Measured value display 4 digit display When measuring pH value is displayed When measuring or calibrating numerical p H f data and alphanumerics keys 1 Auxiliary display T i 4 digit display E a _ When measuring temperature display selectable When setting parameters CANCEL lt rA P Keypad area Three keys SET ENT key _ A key Y key YOKOGAWA Set Ent key l key key Status display Four LEDs When
62. uffix codes are shown below Check that what you were supplied is the same as what you ordered Suffix code Option code Description PH100 Panel mounted pH converter Always A Label language English Japanese Contact output 2 contact outputs 4 contact outputs Temperature Pt1000 Pt100 sensor Pt1000 500 Q Pt1000 10 kQ Pt1000 6 8 kQ Always NN T1 2E EPS IM 12B11A01 01E 1 1 1 3 Features of the EXA PH100 pH converter 1 Large 4 digit display Both measured pH value and temperature can be displayed at the same time 2 You can easily calibrate the unit with pH4 pH7 or pH9 standard solution 3 You can select either two output contacts or four and you can select each contact output type from high low high high low low and high high low low 4 Isolated 4 to 20 mA analog output of measured value 5 Calibration values and measured values can be read to 0 01 pH making high accuracy measurement and calibration possible 6 The operation panel is rated for operation in an IP55 IP65 is optional 7 96 mm x 96 mm DIN size panel mount instrument Depth is 120 mm and weight is 600 g 8 Full set of self diagnostic functions with indication of errors such as measurement out of range converter abnormal calibration time error 1 4 Standard Specifications Measurement Hydrogen ion concentration pH of a solution Measuring range 2 00 to 14 00 pH Indicati

User`s Manual Model PH100 Panel Mount pH Converter

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