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Honeywell DirectLine DL424, User Manual, Page: 9 / 38

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Honeywell DirectLine DL424 User Manual Download Page 9

Introduction 

1.4 Specifications 

General: 
Displayed Process 

Variable 

DL424:  0-20 ppm  dissolved oxygen 
 DL425:  0-200 ppb dissolved oxygen

 

Displayed 

Temperature Range 

2.0 to 60.0 ºC (35.6 to 140ºF) 

Operating 

Temperature 

 

–20 °C to +60 °C (-4 °F to +140 °F) 

Storage Temperature 

–20 °C to +70 °C (-4 °F to +158 °F) 

Display Resolution 

DL424: 0.01 

ppm 

DL425:  0.1 ppb in the 0-20 ppb range; 1 ppb in the 

 

0-200 ppb range 

Output Type 

4-20 mA (2-wire loop powered) 

Output Scale 

DL424: 0-20ppm 

DL425: 0-200ppb 

Output Calibration 

4-20 mA 

Power 

16-42 Vdc 

Maximum Load Resistance: 

250 ohms at 16 Vdc

 

 

 

   

600 ohms at 24 Vdc 

 

 

   

1400 ohms at 42 Vdc 

Calibration Options  

Air Cal; Sample Cal 

Diagnostics 

Sensor and electronics 

Physical Properties: 
Case 

Weatherproof, corrosion-resistant plastic housing 

Local Display and 

Buttons 

LCD 4-digit, 7-segment 

Field Wiring Cordset 

Shielded twisted pair. Length: 6 m (19.7’) 

User Termination 

Tinned leads 

Remote Mounting 

Pipe, Wall, or DIN Rail 

Dimensions 

H 123 mm (4.84”) x W 48 mm (1.89”) x D 46 mm (1.81”) 

Weight 

Approximately 142 g (5.0 oz.) 

Approvals 

CE Mark - Industrial Applications  
UL – General Purpose 
CSA – General Purpose 
IP66 Enclosure 
NEMA Type 4 
FM Class1, Div. 1 (I.S.) 
FM Class 1, Div. 2 (non-incendive field wiring) 

9/11 DirectLine® 

DL424/425 Sensor Module User Manual 

3 

Summary of Contents for DirectLine DL424

Page 1: ...DirectLine DL424 425 Sensor Module for DL 5000 Dissolved Oxygen Probes User Manual 70 82 25 113 Rev 3 September 2011 Honeywell Process Solutions ...

Page 2: ...nformance with the protection requirements of the following European Council Directives 89 336 EEC the Electromagnetic Compatibility Directive and 73 23 EEC the Low Voltage Directive Conformance of this product with any other CE Mark Directive s shall not be assumed ATTENTION The emission limits of EN 61326 are designed to provide reasonable protection against harmful interference when this equipm...

Page 3: ... www honeywell com Honeywell Process Solutions https www honeywellprocess com Telephone Contact us by telephone at the numbers listed below Organization Phone Number United States and Canada Honeywell 1 800 423 9883 Tech Support 1 888 423 9883 Q A Faxback TACFACS 1 800 525 7439 Service Symbol Definitions The following table lists any symbols used in this document to denote certain conditions Symbo...

Page 4: ...te Mounting 8 2 4 Conduit connections 12 3 CONFIGURATION 13 3 1 Overview 13 3 2 Configuration Set Up Procedure 15 4 CALIBRATION 19 4 1 New Probe 19 4 2 Calibration Options 19 4 3 Calibration Procedures 20 5 OPERATION 22 5 1 Displays 22 5 2 Diagnostic Error Messages 24 5 3 Unit Reset 26 6 SPARE PARTS 27 7 APPENDIX CE MARK APPLICATIONS 29 8 SALES AND SERVICE 30 iv DirectLine DL424 425 Sensor Module ...

Page 5: ...__________________________________ 13 Table 3 2 Configuration Set Up Procedure ______________________________________________ 15 Table 4 1 Calibration Procedure ______________________________________________________ 20 Table 5 1 Online Parameter Descriptions _______________________________________________ 22 Table 5 2 Display Navigation Procedure ________________________________________________ 23...

Page 6: ...gure 2 1 Cordset Connection and Wiring _______________________________________________ 5 Figure 2 2 Field Wiring Connector______________________________________________________ 6 Figure 2 3 Integral Mounting __________________________________________________________ 7 Figure 2 4 Remote Mounting __________________________________________________________ 9 Figure 2 5 Remote Mounting Hardware________...

Page 7: ...ed or replaced while retaining power to the electronics module The DL424 425 electronics module is contained in a Nema Type 4x sealed weatherproof corrosion impact resistant polysulfone housing The Module can be mounted as an integral unit directly connected to the probe or remotely using a probe with a cable The sealed plastic housing has plug in connections for the DL5000 probe and a 4 20 mA out...

Page 8: ... supplied cable used in combination with a field wiring connector The DirectLine electronic module for dissolved oxygen measurements is available in two configurations ppm DL424 and ppb DL425 Figure 1 2 Electronics Module 1 3 Operator Interface The DirectLine Sensor operator interface consists of three pushbuttons and one 4 digit 7 segment LCD display with 3 decimal points plus and minus signs It ...

Page 9: ...um Load Resistance 250 ohms at 16 Vdc 600 ohms at 24 Vdc 1400 ohms at 42 Vdc Calibration Options Air Cal Sample Cal Diagnostics Sensor and electronics Physical Properties Case Weatherproof corrosion resistant plastic housing Local Display and Buttons LCD 4 digit 7 segment Field Wiring Cordset Shielded twisted pair Length 6 m 19 7 User Termination Tinned leads Remote Mounting Pipe Wall or DIN Rail ...

Page 10: ... CC Mounting Kit for Remote Mounting None replacement module or customer supplied output cable Note 1 D Remote Mounting Connector Meredian II ORP Remote Mounting Connector HPW7000 Remote Mounting Connector Conductivity Remote Mounting Connector Dissolved Oxygen DL425 2 Remote Mounting Connector Meredian II pH Remote Mounting Connector Cable is supplied with sensor or probe 3 3 4 5 6 Integral Mount...

Page 11: ...eld wiring connector with customer supplied cable See page 6 Refer to Section 7 for wiring for CE Mark applications 2 1 1 Cordset Electronics Module Black Brown Shield Wire Ground Minimum 16 V 250 ohms max Maximum 42 V 1400 ohms max Power Supply _ _ Load Resistance _ Chart Recorder Controller etc Use 250 ohms for 1 5 V signal Cordset 6m 19 7 Blue wire not used Figure 2 1 Cordset Connection and Wir...

Page 12: ...de housing over cable note orientation 3 Connect wires to pins Look closely at end of female insert to locate pin numbers Connect positive wire to pin 1 and negative wire to pin 4 Remaining wires and female insert pins 2 and 3 are unused 4 Assemble field wiring connector a Screw female insert to housing until female insert s o ring is compressed b Slide clamp type cage gasket into housing c Thread...

Page 13: ... easily viewed by personnel 2 Apply a thin film of silicon grease on the ID of the electronics module s probe mounting cavity 3 Align the slots on the electronics module with those on the probe and press down to connect the electronics to the probe 4 Tighten the locking screw on the bottom rear of the electronics module Do not exceed 5 in lb Electronics Module Locking Screw in Rear of Housing Prob...

Page 14: ...ilicone grease to cable jacket in the area of the compression cap strain relief Slide cover along cable and tighten by hand onto the remote connector assembly 6 Slide cap along cable and tighten onto cable jacket with small wrench until cable cannot slide within strain relief rubber bushing 7 Apply a thin film of silicon grease to the ID of electronics module s remote mounting cavity 8 Plug remote...

Page 15: ...Installation Figure 2 4 Remote Mounting 9 11 DirectLine DL424 425 Sensor Module User Manual 9 ...

Page 16: ...ge Red 3 Yellow Green 4 Red Yellow 5 Green Orange 6 Coax Coax Earth Ground connection outside remote connector Blue Violet Disconnecting Sequence Terminnal DL5000 Integral Cable DL5000 Quick Disconnect Cable Earth Ground Blue Violet 6 Coax Coax 5 Green Orange 4 Red Yellow 3 Yellow Green 2 Orange Red 1 Black Black 10 DirectLine DL424 425 Sensor Module User Manual 9 11 ...

Page 17: ...from End Front View Barriers Repeater Isolators Hose Clamp Slot for Pipe Mounting Metal clip for U DIN rail mounting Gray clip for G DIN rail mounting Mounting Kit Hose Clamp included in kit Through Hole for DIN Rail Mounting Figure 2 5 Remote Mounting Hardware 9 11 DirectLine DL424 425 Sensor Module User Manual 11 ...

Page 18: ...mer conduit connection Use conduit coupling min 38 1mm 1 5 long on DL conduit connection to clear cordset connector Conduit can not be used with field wiring connector see Figure 2 2 due to size restriction Do not exceed 200in lb torque when attaching fixed piping Use wrench flats provided under the NPT threads to support the DirectLine during installation ...

Page 19: ... value can be entered in one step increments from 500 to 800 mm Hg Table 3 1 Dependence of Barometric Pressure on Altitude Alt ft P mmHg Alt ft P mmHg Sea Level 760 3000 681 200 755 3200 676 400 749 3400 671 600 744 3600 666 800 738 3800 661 1000 733 4000 656 1200 728 4200 652 1400 722 4400 647 1600 717 4600 642 1800 712 4800 637 2000 707 5000 632 2200 701 5200 628 2400 696 5400 623 2600 691 5600 ...

Page 20: ...factory default value In the DL425 the option is only allowed when the probe has been removed from the ppb process and is in air In the DL424 in applications containing carbon dioxide it may be undesirable to remove the probe from the process Therefore in the DL424 there is an option to edit the probe bias voltage directly Noise Suppression Frequency Selection Selection of 50 Hz or 60 Hz Defaults ...

Page 21: ...ssure Value MODE Hold Flashing Display You are now in EDIT mode Value of Current Atmospheric Pressure Compensation Select a new value or Momentarily Enter a value from 500 to 800 mm Hg 760 mm HG default Save the value MODE Momentarily Saves the new Atmospheric Pressure Compensation value for use at the next Air Calibration 2 Enter Salinity Compensation ppm units only MODE Momentarily SALn for 1 se...

Page 22: ...ts the calibration and the prior Probe Bias value is retained 3b Reset the Probe Bias Value Hold 10 seconds Display will show 0 55 Probe Bias Voltage is reset 3c Manual input for Probe Bias DL424 only MODE Hold 3 seconds Display will flash the current probe bias value Select a new value or Momentarily Use up down arrows to edit Probe Bias Save the Probe Bias Voltage MODE Momentarily Saves the Prob...

Page 23: ... 0 to 200 ppb Save the New 100 Range Value MODE Momentarily New Value 6 0 Range Value Selection Momentarily rnGL for 1 second then value of current 0 Range Value Selection Edit 0 Range Value Selection MODE Hold Flashing Display You are now in EDIT mode value of current 0 selection Select 0 DO Value Momentarily Selected 0 DO Value Range DL424 0 to 20 ppm DL425 0 to 200 ppb Save the New 0 Range Valu...

Page 24: ... in EDIT mode Range 3 80 to 4 40 mA typically default 4 00 mA Momentarily AdJL increments value AdJL decrements value Save 0 Calibration MODE Momentarily AdJL 9 Return to Online Display MODE Momentarily Returns to Output Configuration MODE Momentarily Returns to Online Display 18 DirectLine DL424 425 Sensor Module User Manual 9 11 ...

Page 25: ...on is done with the probe removed from the process This is the recommended method of calibration and should be completed unless the process set up prohibits removing the probe This is recommended prior to installation as it saves system parameters that are used in optimizing error diagnostics If the probe has just been removed from a sample low in dissolved oxygen it takes longer to complete a cal...

Page 26: ...r stability After 20 seconds of stability the Sample Calibration Trim value is reset to 1 0 and a new Air Calibration is calculated and the display returns to On line DO Air Calibration will fail if stability is NOT achieved after 30 seconds FAIL will display to indicate Air Calibration failure followed by the message Stbl The previous Air Cal Factor and Sample Trim values will be retained Press t...

Page 27: ...e current value and increments or decrements The output is held at its current percent of range value Press and hold or to increment or decrement quickly MODE Momentarily A new Sample Cal Trim value is calculated If successful the display will change to online DO and the Output hold will terminate If an error occurs FAIL will display and return to online DO The previous Cal Trim value will be reta...

Page 28: ...C 35 6 to 140 0 F The default display and home position is the Online DO display It appears when The unit is powered up after the nPrb option is selected No button presses for 60 seconds The Mode button has been pressed during Air or Sample calibration The Mode button has been pressed momentarily during a configuration edit The DO measurement and display is updated at a rate of 500 ms In the DL425...

Page 29: ...1 View Online DO Concentration value MODE Momentarily measured DO 2 View Online Temperature MODE Momentarily measured temperature in C or F Proceed to step 2A or step 3 2A Toggle Online Temperature display units or Momentarily measured temperature in C or F Proceed to step 3 3 Return to home position MODE Momentarily measured DO 9 11 DirectLine DL424 425 Sensor Module User Manual 23 ...

Page 30: ...Check for an electrical short between the anode and the cathode Check the reference electrode connection When the source of the error is removed the error will clear and the output will return to normal operation T HI Measured temperature is 60 C Bring process within limits T LO Measured temperature is 2 0 C Bring process within limits BErr Probe Bias Error Probe current has exceeded expected prob...

Page 31: ...ngs are unstable during air calibration There is excessive probe current during a Probe bias voltage calibration An air calibration can not be completed and the previous air calibration value is used for measurement of dissolved oxygen Verify that Probe has been removed from the process Verify that probe has reached equilibrium with the process Press Mode to return to online display ...

Page 32: ...wed by the firmware version the DO Measurement units ppm or ppb and the online DO Concentration value The unit then returns to the Online DO display Table 5 4 Factory Default Values Data Default Values Air Sample calibration Factory default Atmospheric Pressure 760 mm Hg Salinity 0 ppt Probe Bias Voltage 0 55 Volts Noise Suppression Frequency Selection 60 Hz Output Configuration 0 Range Value 4 00...

Page 33: ...m Honeywell or from multiple vendors including Turck Industries Part Number RKV4T 6 S618 for a 6 m cordset with a stainless coupling nut Part Number RK4T 6 S618 for a 6 m cordset with a nickel plated coupling nut Phoenix Contact Part Number SAC 3P 5 0 PUR M12FSSH Stainless for a 5m cordset with a stainless coupling nut Part Number SAC 3P 5 0 PUR M12FSSH for a 5m cordset with a nickel plated coupli...

Page 34: ...Spare Parts 28 DirectLine DL424 425 Sensor Module User Manual 9 11 ...

Page 35: ...EEC the EMC Directive Conformity of this product with any other CE Mark Directive s shall not be assumed Deviation from the installation conditions specified in this manual and the following special conditions may invalidate this product s conformity with the EMC Directive CE Conformity Special Conditions Europe Shielded twisted pair cables are required for I O interface circuits ...

Page 36: ...one 36 1 451 4300 FAX 36 1 451 4343 Italy Honeywell S p A Phone 390292146307 FAX 39 0292146377 The Netherlands Honeywell B V Phone 31 0 20 5656200 FAX 31 0 20 5656210 Norway Honeywell A S Phone 45 39 55 55 55 Poland Honeywell Sp zo o Phone 48 22 6060900 FAX 48 22 6060901 Portugal Honeywell Portugal Lda Phone 351 21 424 5000 FAX 351 21 424 50 99 Romania Honeywell Bucharest Phone 40 0 21 2316437 FAX...

Page 37: ...Appendix CE Mark Applications 9 11 DirectLine DL424 425 Sensor Module User Manual 31 ...

Page 38: ...Honeywell Process Solutions 1100 Virginia Drive 70 82 25 113 Rev 3 Fort Washington PA 19034 September 2011 www honeywell com ps 2011 Honeywell International Inc ...

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