Hach-lange SI792 C, SI792x C, SI792x C-FF, SI792x C-PA User M User Manual

DOC026.52.00795si792 Csi792x Csi792x C-FFsi792x C-PAContacting Conductivity2-Wire TransmittersUSER MANUALDecember 2007, Edition 1© HACH Com

Specifications8Profibus-PA (DPV1)Bus-powered device with constant current consumption. Cyclic and acyclic data exchange. Physical block, 2 analog inpu

Passcode editor98Important Note: The passcode editor cannot be accessed without the administrator passcode. Record changes in a secure location. It is

99Index22 mA signal... 374–20 mA outputerror notification ...

Index100display ...31Eelectrostatic discharge (ESD)...

Index101general ... 11wiring...

Index102

Specifications9Measurement error3,4< 1% measured value + 0.4 µS* cTemperature inputTemperature sensorPt100/PT1000/NTC 100 kΩ/NTC 30 kΩ/NTC 8.55 kΩ

Specifications10

11Section 2 General information2.1 Safety informationPlease read this entire manual before unpacking, setting up, or operating this equipment. Pay att

General information12Electrical equipment marked with this symbol may not be disposed of in European public disposal systems after 12 August of 2005.

General information132.2 General product information2.2.1 Product overviewThe si792 C and si792x C transmitters are used for measurement of electrical

General information14and section 2.2.2.2 make the transmitter compliant with the requirements of FDA 21 CFR Part 11.2.2.2.1 Electronic signatures for

15Section 3 InstallationDANGERExplosion hazard. Trained personnel only must install or commission the equipment. DANGERExplosion hazard. Never connect

Installation163.1 Hazardous location installationBefore installation, review the applicable Hazardous Location Control Drawing or ATEX EC-Type Examina

Installation173.2 Unpacking the transmitterCheck the shipment for transport damage and make sure all components have been shipped complete. The packag

Installation183.3 Mechanical installation3.3.1 Transmitter assemblyRefer to Figure 1 and the following instructions to assemble the transmitter. 1. In

Installation19Figure 2 Wall attachment dimensions1 Breakout for wall mounting (2x) 5 Groove for panel mount gasket2 Hole for pipe mounting (4x) 6 St

Installation203.4 Wiring Safety InformationWhen making any wiring connections to the instrument, the following warnings and notes must be adhered to,

Installation213.5 Electrical installation DANGERExplosion hazard. Do not connect any components that are not specified for the device. Always defer to

Installation22Figure 3 Wire preparation and insertion1 Stripping lengths for cables 6 Terminals (vary by model number)2 Stripping lengths for coaxia

Installation233.5.2 Power and communication connectionsDANGERExplosion hazard. The AC power source for the power supply unit cannot exceed 250 VAC. Do

Installation243.5.2.1 si792(x) C (4-20 mA/HART) wiringDANGERExplosion hazard. Never connect items to the transmitter that are not specified on the con

Installation253.5.2.2 si792x C-FF and si792x C-PA wiringRefer to Figure 5 and Table 2 to connect power and communications to the si792x C-FF or si792x

Installation263.5.3.1 2-electrode (3400 and 810x series) sensor wiring1. Install jumpers between terminals 1-2, 3-4 and 4-5 (see Figure 6). 2. Use Tab

Installation273.5.3.2 4-electrode sensor wiring1. Install a jumper between terminals 4 and 5 as shown in Figure 7. 2. Use Table 4 to wire the sensor t

1Table of ContentsSection 1 Specifications ... 5Section 2 General information...

Installation283.6 HART communication connectionDANGERExplosion hazard. Never connect items to the transmitter that are not specified on the control dr

29Section 4 Interface and navigationThe si792 transmitter user interface contains a display, indicators and keys for navigation and menu selection.4.1

Interface and navigation304.2 si792x C-FF and si792x C-PA interfaceRefer to Figure 9 to identify the keys and indicators of the si792x C-FF or si792x

Interface and navigation314.3 DisplayFigure 10 identifies all of the possible icons and symbols that may be seen in the si792 transmitter display.Figu

Interface and navigation32

33Section 5 Operation—4–20 mA/HARTThe following section describes how to operate the si792(x) C transmitter.5.1 Measure modeThe display shows the conf

Operation—4–20 mA/HART34Note: During configuration the transmitter remains in the Hold mode for safety reasons. The loop current is frozen at the valu

Operation—4–20 mA/HART35Note: During configuration the instrument/transmitter remains on Hold. Depending on the configuration the loop current is froz

Operation—4–20 mA/HART36acceptable range, “Err” will be shown and the value will not be accepted. To exit the menu and return to the measurement mode,

Operation—4–20 mA/HART37For accurate results use conductivity standards with the same conductivity range as the sample to calibrate the system.5.2.1.2

Table of Contents24.3 Display... 31Section 5 Operation—4–20 mA/HART

Operation—4–20 mA/HART385.2.1.4 Output signal during HOLDThe output signal during hold periods can be maintained at the last measured value (Figure 11

Operation—4–20 mA/HART39Note: Calibrate a temperature sensor adjustment for a correct temperature measurement. Use a separate temperature sensor with

Operation—4–20 mA/HART40accepted. To exit the menu and return to the measurement mode, press CONF and ENTER.5.2.3 Alarm settingsSelect SensocheckAL.Sn

41Section 6 Operation—Foundation FieldbusThe following section describes how to navigate and operate the si792x C-FF transmitter. The transmitter can

Operation—Foundation Fieldbus426.1.2 Configuration menuSelect the sensorIn.CELL2-electrode sensor (default)4-electrode sensorSelect the range and unit

Operation—Foundation Fieldbus43Select temperature compensation1tc.OFF Temperature compensation turned offLIN (default)Linear temperature compensation

Operation—Foundation Fieldbus446.2 Foundation Fieldbus communicationUse the Foundation Fieldbus specification to set up and configure the si792 transm

Operation—Foundation Fieldbus45GRANT_DENY Grant 0 R/W Deny 0 R/W HARD_TYPES Hardware type 1 R RESTART Restart R/W FEATURES Feature supported Repor

Operation—Foundation Fieldbus46BLOCK_ALM Unacknowledged R/W Alarm state R Time stamp R Sub-code R Value R ALARM_SUM Current R Unacknowledged R Unrep

Operation—Foundation Fieldbus476.2.2 Standard analog input block (AI)Three Analog Input Function Blocks provide for cyclic transmission of measured va

Table of Contents3Section 8 Calibration ... 678.1 Calibration ...

Operation—Foundation Fieldbus486.2.2.3 Data processingUse the L_TYPE parameter to apply a linearization function to the data.• Direct—data is sent dir

Operation—Foundation Fieldbus496.2.2.5 Bus parameters for the analog input blockThe bus parameters for the analog input function block (AI) are shown

Operation—Foundation Fieldbus50GRANT_DENY Grant 0 R/W Deny 0 R/W IO_OPTS IO Block Options 0 R/W STATUS_OPTS Status Options CHANNEL Channel 1 R/W L_T

Operation—Foundation Fieldbus51LO_LIM Low Limit –INF R/W LO_LO_PRI Low Low Priority 0 R/W LO_LO_LIM Low Low Limit –INF R/W HI_HI_ALM Unacknowledg

Operation—Foundation Fieldbus526.2.2.6 Cyclic measured value statusThe cyclic measured value status is shown in Table 10.6.2.2.7 Measured value limits

Operation—Foundation Fieldbus536.2.3 Transducer blockThe transducer block provides for acyclic data transmission. Calibration, configuration, and main

Operation—Foundation Fieldbus54MODE_BLK Allows the user to set the Tar-get, Permitted, and Normal device mode. Displays the Actual mode.Tar getActualP

Operation—Foundation Fieldbus55TRANSDUCER_DIRECTORY Directory that specifies the number and the starting indices of the transducers in the trans-ducer

Operation—Foundation Fieldbus56PRIMARY_VALUEShows the primary value and statusValueStatusR41DS_65PRIMARY_VALUE_TYPESelects the displayed primary value

Operation—Foundation Fieldbus57CONCENTRATIONSelects the solution used for concentration measurement.R/W 2 uns81 = -01- NaCl2 = -02- HCl3 = -03- NaOH4

Table of Contents4

Operation—Foundation Fieldbus58TEMP_COMPENSATIONSelects the temperature com-pensationR/W 1 uns80 = TC OFF1 = TC LIN2 = TC nLF3 = pure water (NaCl)4 =

Operation—Foundation Fieldbus59CAL_SAMPLE_PRD_STORED_VALShows the stored value of the first step of conductivity product calibrationRfloatDefault: 0 i

Operation—Foundation Fieldbus606.2.4 Calibration via Foundation FieldbusThe transmitter can be calibrated via Foundation Fieldbus using the comparison

61Section 7 Operation—Profibus PAThe following section describes how to navigate and operate the si792x C-PA Profibus-PA transmitter. The transmitter

Operation—Profibus PA627.1.2 Configuration menuSelect the sensorCELL2-electrode sensor (default)4-electrode sensorSelect the range and units0.000 µS/c

Operation—Profibus PA637.2 Profibus PA communicationProfibus uses a master/slave data exchange technique. The master (typically a PLC) generates queri

Operation—Profibus PA64Table 13 PROFIBUS communicationCauseNo. of binary messageAnalog input statusPhysical Block (PB)Global statusText of binary mess

Operation—Profibus PA65HOLD(Device state = Maintenance)110100 01110100 1111Function check HOLD XHI_HI_LIMFB analysisCond/MO/SAL12 1000 1110Limit 1Bit

Operation—Profibus PA66LO_LO_LIMFB temperature19 1000 1101Limit 2Bit 4LO_LO_LIMIT TEMPLogbook empty 20 Function check EMPTY LOGBOOKTable 13 PROFIBUS c

67Section 8 Calibration8.1 CalibrationImportant Note: Stabilize the temperature during calibration.Note: Only qualified personnel should conduct the t

5Section 1 SpecificationsSpecifications are subject to change without notice.Transmitter Composition PBT (polybutylene terephthalate)Display LCDFittin

Calibration688.1.1 Enter cell constant 1. Press CAL and enter passcode: 1100, ENTER. CAL CELL will be displayed for 3 seconds. 2. Use the UP ARROW and

Calibration69to determine the temperature-corrected conductivity value of the calibration solution.Note: If the entry of the calibration solution valu

Calibration703. Measure the grab sample with a laboratory or portable meter.4. Press CAL, enter passcode: 1105, ENTER to access the product calibratio

71Section 9 Maintenance DANGERExplosion hazard. Only qualified personnel should conduct the tasks described in this section of the manual. DANGERElect

Maintenance72

73Section 10 Troubleshooting10.1 SensofaceThe Sensoface feature is active whenever Sensocheck is active. This feature monitors the sensor for defects

Troubleshooting7410.3 Error codesTable 17 describes transmitter errors and parameter-specific errors.Table 16 Error descriptionsDisplay Problem Descr

Troubleshooting75ERR 03Temperature sensor icon flashes; open or short circuit; temperature range exceededTest the temperature sensor wiring.Make sure

Troubleshooting76ERR 33Sensocheck icon flashes; Sensoface icon active (see section 10.2)Make sure that the correct sensor is installed and that it is

Troubleshooting77View sensor monitorFrom the measuring mode press CONF and enter passcode ‘2222’ for the validation of the sensor and a complete measu

Specifications6Certification (may not apply to all sensors. Refer to the control drawing or listing for certification information for the sensor that

Troubleshooting78

79Section 11 Replacement parts11.1 si792 transmitter versionsDescription Catalog numberStandard versions—default set for Hach 3400 sensors (not availa

Replacement parts80

81Section 12 Contact informationHACH Company World HeadquartersP.O. Box 389Loveland, Colorado80539-0389 U.S.A.Tel (800) 227-HACH(800) 227-4224(U.S.A.

Contact information82HACH LANGE FRANCE S.A.S.33, Rue du BallonF-93165 Noisy Le GrandTél. +33 (0)1 48 15 68 70Fax +33 (0)1 48 15 80 [email protected]

Contact information83HACH LANGE8, Kr. Sarafov str.BG-1164 SofiaTel. +359 (0)2 963 44 54Fax +359 (0)2 866 04 [email protected]

84Section 13 Warranty, liability and complaintsThe manufacturer warrants that the product supplied is free of material and manufacturing defects and u

Warranty, liability and complaints85To avoid or limit consequential damage, it is therefore recommended to design the control loop such that a malfunc

Warranty, liability and complaints86

87Appendix A Calibration solutionsTable 18 Potassium chloride solutions (conductivity in mS/cm)TemperatureConcentration11Data source: K. H. Hellwege

Specifications7PasscodesModifiable according to FDA 21 CFR Part 11 “Electronic Signatures” (HART only)SensocheckPolarization detection and monitoring

Calibration solutions88Table 19 Sodium chloride solutions (mS/cm)Temperature Concentration°C °F0.01 mol/L10.1 mol/L1Saturated20 32 0.631 5.786 134.51

Calibration solutions8929 84.2 1.281 11.552 272.130 86 1.306 11.773 277.431 87.8 1.331 11.995 282.732 89.6 1.357 12.22 28833 91.4 1.382 12.445 293.334

Calibration solutions90

91Appendix B Concentration curvesB.1 Sodium chloride solution -01- NaClRefer to Figure 13 for the conductivity of sodium chloride solution at various

Concentration curves92B.2 Hydrochloric acid -02- HClRefer to Figure 14 for the conductivity of hydrochloric acid (HCl) at various concentrations and t

Concentration curves93B.3 Sodium hydroxide solution -03- NaOHRefer to Figure 15 for the conductivity of sodium hydroxide solution (NaOH) at various co

Concentration curves94B.4 Sulfuric acid -04- H2SO4.Refer to Figure 16 for the conductivity of sulfuric acid at various concentrations and temperatures

Concentration curves95B.5 Nitric acid -05- HNO3.Refer to Figure 17 for the conductivity of nitric acid at various concentrations and temperatures.** S

Concentration curves96

97Appendix C Passcode editorFor applications requiring compliance to FDA 21 CFR Part 11, certain device functions must be protected with passcodes. Pa