Omega OPCN-37 User Manual Download

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Preface

Table A-1. Sections of the Manual

If you want to read about:

Unpacking; safety considerations

Meter description and features

Main board power jumpers; panel
mounting, sensor input, main power and
analog and relay output

Setpoint value, Temperature
compensation, decimal point position,
calibration, setpoint configuration;
setpoint deadbands, analog output
configuration and scaling

Setpoint values

Display messages

Meter menu/sub-menu messages

Setpoint configuration messages

Specifications

Factory Preset Values

Refer to section

Introduction

About the Meter

Getting Started

Configuring the Meter

Selecting Setpoint Values

Display Messages

Menu Configuration

Setpoint Configuration
Displays

Specifications

Factory Default
Setup as Shipped

Summary of Contents for OPCN-37

Page 1: ...PHCN 37 and OPCN 37 Microprocessor Based pH Controller and pH ORP Controller omega com e mail info omega com For latest product manuals omegamanual info User sGuide Shop on line at USA MADE IN ...

Page 2: ...FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance USA and Canada Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN Mexico and TEL 001 800 TC OMEGA FAX 001 203 359 7807 Latin America En Español 001 203 359 7803 e mail espanol omega com Servicing Europe Benelux Postbus 803...

Page 3: ...wer Mounting the panel Configuring Temperature compensation Selecting a decimal point position Configuring calibration parameters Performing two or three point calibration Setting the setpoint s active band Selecting a latched or unlatched operation Setting setpoint s deadbands Enabling disabling analog output Selecting analog output as current or voltage Scaling analog output ...

Page 4: ...position calibration setpoint configuration setpoint deadbands analog output configuration and scaling Setpoint values Display messages Meter menu sub menu messages Setpoint configuration messages Specifications Factory Preset Values 1 2 3 4 5 6 7 8 9 10 Refer to section Introduction About the Meter Getting Started Configuring the Meter Selecting Setpoint Values Display Messages Menu Configuration...

Page 5: ... SEC 3 GETTING STARTED 12 3 1 Rating Product Label 12 3 2 Main Board Power Jumpers 12 3 3 Main Board Jumpers 13 3 4 Panel Mounting 15 3 5 Connecting Sensor Inputs 16 3 6 Connecting Main Power 17 3 7 Connecting Analog and Relay Outputs 18 SEC 4 CONFIGURING THE METER 20 4 0 Specifying Input Type INPT pH ORP Controllers Only 20 4 1 Selecting the Temperature Compensation Mode A T C 20 4 2 Selecting a ...

Page 6: ...ng the Setpoint 1 Deadband S1 DB 27 4 9 Setting the Setpoint 2 Deadband S2 DB 27 4 10 Using Output Configuration OT CF 29 4 10 1 Enabling or Disabling the Analog Output 29 4 10 2 Selecting Analog Output as Current or Voltage 29 4 10 3 Selecting Analog Output as pH or ORP for pH ORP Controllers only 30 4 11 Configuring Temperature C or F TEMP 31 4 12 Using Output Scale and Offset OT S O 32 4 12 1 E...

Page 7: ...onnections 16 3 7 Main Power Connections ac 17 3 8 Main Power Connections dc 18 3 9 Relay Output Connections 18 3 10 Analog Output Connections 19 3 11 Isolated Analog Output Connections 19 4 1 Relay Output Triggering Example 28 9 1 Dimensions Panel Cutout 44 List of Tables Table Page A 1 Sections of the Manuals ii 2 1 Accessories and Add Ons 4 2 2 Connector Description 10 3 1 Jumper Functions 14 3...

Page 8: ...ou with information that is important to successfully setup and use the Programmable Digital Meter CAUTION or WARNING tells you about the risk of electric shock CAUTION WARNING or IMPORTANT tells you of circumstances or practices that can effect the meter s functionality and must refer to accompanying documents TIP Provides you helpful hints Preface vi ...

Page 9: ...ot honor any claims unless all shipping material is saved for their examination After examining and removing contents save packing material and carton in the event reshipment is necessary Verify that you receive the following items in the shipping box QTY DESCRIPTION 1 Programmable Digital Meter indicator controller with all applicable connectors attached 1 Owner s Manual 1 Set Mounting brackets I...

Page 10: ...Electrotechnical Commission The switch shall not be incorporated in the main supply cord Furthermore to provide protection against excessive energy being drawn from the main supply in case of a fault in the equipment an overcurrent protection device shall be installed Do not exceed voltage rating on the label located on the top of the instrument housing Always disconnect power before changing sign...

Page 11: ...ered at time of purchase Retransmission analog output is fully scalable Dual 5 amp form C relays control critical processes A mechanical lockout has been included to guard against unauthorized changes 2 2 FEATURES The following is a list of standard features 4 digit 14 segment LED display red or green display NEMA 4 Type 4 Front Bezel 0 01 pH accuracy 0 5ºC Temperature accuracy 100 or 1000 ohm RTD...

Page 12: ...figuration SPC4 NEMA 4 Splash Proof Cover SPC18 NEMA 4 Splash Proof Cover NEW Accessories TP1A Trimplate panel adaptor Adapts DIN1A DIN2A cases to larger panel cutouts RP18 19 In Rack Panel for one 1 1 8 DIN instrument RP28 19 In Rack Panel for two 2 1 8 DIN instrument RP38 19 In Rack Panel for three 3 1 8 DIN instrument ...

Page 13: ...r METER DISPLAY Digital LED display 1 9 9 9 or 9 9 9 9 4 digit 14 segment 0 54 high LED display with programmable decimal point These meter display windows light when appropriate 1 Setpoint 1 status 2 Setpoint 2 status pH pH displays mV mV displays ºC Celsius ºF Fahrenheit SETPTS T mV MENU RESET pH ORP SETPTS T mV MENU RESET pH ...

Page 14: ...dvance the flashing digit s value from 0 to 9 by 1 pH ORP Button for pH ORP Controller In the run mode this button will view pH value If you have a pH ORP Controller throughout this manual s text the pH ORP button is referenced as the pH button To toggle between the pH and ORP values while in the Run Mode Normal Operation Use this button also to change the value of the digits while in the Setpoint...

Page 15: ...power off on the meter it shows RST followed by pH In the run mode press the RESET button to reset the latched setpoints The meter shows SP RS and returns to the run mode In the configuration mode press the RESET button once to review the previous menu Press the RESET button twice to perform a hard reset and return to the run mode In the setpoint mode press the RESET button to enter the run mode T...

Page 16: ...d SETPTS buttons only verify that the S3 A jumper is installed and the S3 E jumper is not installed then follow these steps In the run mode 1 Press and hold down the RESET button The meter shows SP RS or RUN Do not release the RESET button 2 Press the MENU button and hold the RESET button down 3 5 seconds until the meter shows LOCK 3 Release both buttons To unlock the RESET MENU and SETPTS buttons...

Page 17: ... Connector Label with dc Power detail R RTD INPUT ANALOG OUT TB1 RELAY 1 RELAY 2 ISOLATED CONNECT TO LOW VOLTAGE LIMITED ENERGY CIRCUITRY ONLY ANALOG OUT A EXT RETURN REMOVE S4 A CONNECT EXT RTN TO R NO EXTERNAL RETURN INSTALL S4 A TB2 pH INPUT RTN VOLT CURR TB5 POWER INPUT CONNECTIONS pH S4 DC TB1 AC 9 8 7 N C N C 2 N C 1 N O 1 COM1 COM2 N O 2 VOLT RTN CURR N C R L N dc power connector label deta...

Page 18: ...on COM2 connection TB1 7 ac Line connection no connections on dc powered units TB1 8 ac Neutral connection Input on dc powered units TB1 9 ac Earth ground dc power Return on dc powered units TB1 10 Analog Voltage Output connection TB1 11 Analog Current Output connection TB1 12 Analog Return connection TB2 1 R RTD connection Pin 1 connection TB2 2 R RTD connection Pin 2 connection TB5 1 Isolated An...

Page 19: ...e the 115 or 230 Vac power jumpers To install or remove jumpers on the main board Disconnect the power supply before proceeding To remove and access the main board follow these steps Disconnect the main power from the meter Remove the back case cover Lift the back of the main board upwards and let it slide out of the case ...

Page 20: ...set jumpers do the following steps otherwise go to section 3 3 Disconnect the power from the unit before proceeding 1 Remove the main board from the case Refer to Section 2 7 2 Locate the solder jumpers W1 W2 and W3 located near the edge of the main board alongside the transformer 3 If your power requirement is 115 V ac solder jumpers W1 and W3 should be wired but jumper W2 should not If your powe...

Page 21: ...ns Figure 3 3 Upper Isolated Analog Output Option Board Installation 1 2 3 TB5 MAIN BOARD DISPLAY BOARD P1 T1 S3 S2 A S4 A S5 S1 E B C A B C A D E F A B S2 S4 S5 S3 P1 T1 DISPLAY BOARD MAIN BOARD S1 Newer version with upper lower level pull out connector plugs TP1 6 TP1 TP2 TP3 TP4 TP5 TP6 TB1 TB2 Version with Non Removable connectors TB1 TB2 J3 ...

Page 22: ...jumpers allow you to use 100 ohm or 1000 ohm RTD sensors Table 3 1 Jumper Functions Jumper Description S2 D Install if Temperature sensor is not used S3 A Install to enable front panel push buttons Remove to disable all front panel push buttons S3 B Removed Install for meter calibration S3 C Normally removed Install for analog output when load is less than 1 K Ω impedance Care should be taken when...

Page 23: ... panel 3 Slide on mounting bracket to secure 4 Proceed to Section 3 5 to connect your sensor input and main power Figure Figure 3 5 Panel Cut Out NEW STYLE MOUNTING BRACKET FRONT BEZEL CASE REAR COVER REMOVED PANEL CUT OUT OLDER STYLE MOUNTING BRACKET 2 PCS GASKET PRODUCT LABEL CONNECTOR LABEL 45 00 0 61 0 00 1 772 024 000 92 00 0 81 0 00 3 622 032 000 PANEL THICKNESS 1 5 R 06 4 PLCS 6 4 25 MAX 0 ...

Page 24: ... Getting Started 16 3 5 CONNECTING SENSOR INPUTS Figure 3 6 pH and RTD Input Connections R R TB1 1 2 3 4 5 6 J3 pH INPUT CONNECT TO LOW VOLTAGE LIMITED ENERGY CIRCUITRY ONLY 7 8 9 10 1 2 3 11 12 TB2 RTD ...

Page 25: ... corresponding qualifications Failure to follow all instructions and warnings may result in injury Figure 3 7 Main Power Connections ac Table 3 2 ac Power Connections WIRE COLORS TB1 AC POWER EUROPE USA 7 ac Line Brown Black 8 ac Neutral Blue White 9 ac Earth Green Yellow Green TB1 TB2 1 2 3 4 5 6 7 8 9 10 1 2 3 11 12 FUSE EARTH GROUND GREEN WIRE AC Power Check for proper Earth grounding in the po...

Page 26: ...3 8 Figure 3 8 Main Power Connections DC 3 7 CONNECTING ANALOG AND RELAY OUTPUTS y Figure 3 9 Relay Output Connections Relay 1 Relay 2 N O 1 N C 1 COM1 N O 2 N C 2 COM2 TB1 1 2 3 4 5 6 7 8 9 10 11 12 TB2 1 2 3 EXTERNAL LOAD N L FUSE NO2 COM2 pH INPUT DC DC DC POWER TB1 1 2 3 4 5 6 pH INPUT 7 8 9 10 1 2 3 11 12 TB2 ...

Page 27: ...log Output Connections i Figure 3 11 Isolated Analog Output Connections 1 2 3 TB5 TB1 TB2 1 2 3 4 1 2 3 5 6 7 8 9 10 11 12 pH INPUT CONNECT TO LOW VOLTAGE LIMITED ENERGY CIRCUITRY ONLY TB1 TB2 1 2 3 4 5 6 7 8 9 10 1 2 3 11 12 pH INPUT CONNECT TO LOW VOLTAGE LIMITED ENERGY CIRCUITRY ONLY ...

Page 28: ... Press the pH ORP button to select pH or ORP When the desired choice is displayed press the MENU button This enters the value into the microprocessor and STRD will momentarily flash on the display The next menu item A T C will automatically appear on the display 4 1 SELECTING THE TEMPERATURE COMPENSATION MODE A T C To select your appropriate compensation type follow these steps 1 Press the MENU bu...

Page 29: ...hese steps 1 Press the MENU button until the meter shows DEC P 2 Press the T mV button The meter shows one of the following FFF F Default FFFF FF FF 3 Press the pH button to scroll through available choices 4 Press the MENU button to store your choice The meter momentarily shows STRD followed by RG CF Reading Configuration ...

Page 30: ...ss the T mV button to advance to the next submenu The meter shows one of the following R 2 C The displayed temperature in degrees Celsius Default R 2 F The displayed temperature in degrees Fahrenheit 5 Press the pH button to scroll through available choices 6 Press the MENU button to store your choice The meter momentarily shows STRD followed by CAL 2 or CAL 3 Refer to step 4 1 during this step a ...

Page 31: ...meter shows the actual buffer solution s pH value Please allow enough time for the electrode to settle before processing 6 Press the MENU button to store the IN 1 value The meter momentarily shows an OK with buffer value OK 4 OK 7 or OK 10 followed by IN 2 Input 2 7 Rinse the electrode with distilled water and place it into the second buffer solution 8 Press the T mV button The meter shows the pre...

Page 32: ...t 2 7 Rinse the electrode with distilled water and place it into the pH 7 buffer solution 8 Press the T mV button The meter shows the previous value of IN 2 9 Press the T mV button again The meter shows the actual buffer solution s pH value Please allow enough time for the electrode to settle before processing 10 Press the MENU button to store the IN 2 value The meter momentarily shows an OK 7 fol...

Page 33: ...the MENU button to store your selection and enter S2 CF Setpoint 2 configurations 4 6 2 Selecting if Setpoint 1 is Latched or Unlatched 1 Select the T mV button The meter shows one of the following S 2 L Setpoint 1 to be latched S 2 U Setpoint 1 to be unlatched Default 2 Press pH button to toggle between available choices 3 Press the MENU button to store your choices The meter momentarily shows ST...

Page 34: ...r press the MENU button to store your selection and enter S1 DB Setpoint 1 Deadband 4 7 2 Selecting if Setpoint 2 is Latched or Unlatched 1 Press the T mV button The meter shows one of the following S 2 L setpoint 2 to be latched S 2 U setpoint 2 to be unlatched Default 2 Press the pH button to toggle between available choices 3 Press the MENU button to store your choices The meter momentarily sho...

Page 35: ...ss the MENU button to store your selection The meter momentarily shows STRD followed by S2 DB Setpoint 2 Deadband 4 9 SETTING THE SETPOINT 2 DEADBAND S2 DB Factory default deadband is 001 0 The deadband s resolution value depends upon the decimal point position previously set up in Section 4 2 The minimum deadband setting should be no less than 0 1 pH To change the deadband hysteresis of setpoint ...

Page 36: ...zone 2 Then press SETPTS and then RESET button SIGNAL LEVEL SIGNAL LEVEL SIGNAL LEVEL ON ON OFF ON ON ON ON ON ON ON ON ON OFF OFF ON OFF OFF OFF OFF ACTIVE BELOW ACTIVE ABOVE ACTIVE BELOW WITH DEADBAND 3 ACTIVE ABOVE WITH DEADBAND 3 ACTIVE BELOW LATCHED ACTIVE ABOVE LATCHED SETPOINT SETPOINT SETPOINT NOTE DEADBAND WORKS AS HYSTERISIS 3 3 DEADBAND ...

Page 37: ... toggle between available choices 4 Press the T mV button to select the analog output as current voltage or press the MENU button to store your selection The meter momentarily shows STRD followed by OT S O Output Scale and Offset refer to section 4 12 4 10 2 Selecting Analog Output as Current or Voltage 1 Press the T mV button The meter shows one of the following O 2 C Analog output current Defaul...

Page 38: ...O 3 P Analog Output assigned to pH O 3 O Analog Output assigned to ORP 2 Press the pH ORP button to toggle between available choices 3 Press the T mV button to go back to selecting analog output as enabled or disabled or press the MENU button to store your choices The meter momentarily shows STRD followed by OT S O Output Scale and Offset refer to section 4 12 ...

Page 39: ...erature value 3 Press the pH button until the first digit is correct 4 Press the T mV button to advance to the next digit 5 Repeat steps 3 and 4 until meter shows the desired TEMP value 6 Press the MENU button to store your selection The meter momentarily shows STRD followed by OT S O Output Scale and Offset refer to section 4 12 7 Press the MENU button until the meter shows the CAL 2 or CAL 3 men...

Page 40: ...l to the next digit 6 Repeat steps 4 and 5 until the desired value is selected 7 Press the MENU button to store your selection The meter shows OUT 1 Output 1 Low output 8 Press the T mV button The meter shows the selected output If you select O 2 V for voltage the maximum signal you may select is 10 00 for an 0 10 Vdc signal output If you select O 2 C for current the maximum signal you may select ...

Page 41: ... selected output If you select O 2 V for voltage the maximum signal you may select is 10 00 for an 0 10 Vdc signal output If you select O 2 C for current the maximum signal you may select is 20 00 for a 0 20 or 4 20 mA dc signal output 19 Press the pH button to change the value of the flashing digit If you continue to press the pH button the flashing digit s value continues to change 20 Press the ...

Page 42: ...tore your selection The meter shows OUT 1 Output 1 6 Press the T mV button again to show the existing value 7 Change the value of OUT 1 to 04 00 by pressing the pH and T mV and buttons 8 Press the MENU button to store your selection The meter shows RD 2 Read 2 9 Press the T mV button to show the existing value 10 Change the value of RD 2 to 14 00 by pressing the pH and T mV buttons 11 Press the ME...

Page 43: ...oint 1 3 Press the T mV button to scroll to the next digit 4 Press the SETPTS button to store your selection The meter momentarily shows SP2 Setpoint 2 followed by the last stored value with flashing 4th digit The factory default for SP2 is 000 0 5 Press the pH button to change the value of Setpoint 2 6 Press the T mV button to scroll to the next digit 7 Press the SETPTS button to store new values...

Page 44: ...ation routines 1999 Value overflow in setpoint menu peak routines ER1 2 coordinate format programming error VOLT Value Direct from probe in mV METR RTD input for A T C MANU Manually entered input for A T C SP RS Reset setpoints SP1 Setpoint 1 value SP2 Setpoint 2 value ER2 One or more of these items have overflowed due to decimal point change setpoint values setpoint deadbands PH ER pH value is no...

Page 45: ...ibration IN 1 Input new value and show IN 1 IN 2 Enter new value and show IN 2 T mV Show A T C choices Show decimal point position R 2 R 1 S 1 S 2 S 1 S 2 Scroll right one digit Scroll right one digit Show prior and actual value Show prior and actual value pH METR Metered default MANU Manually OFF Constant 25ºC FFFF FFF F FF FF C Celsius F Fahrenheit 2 Two Point Calibration 3 Three Point Calibrati...

Page 46: ...IN 1 Input new value and show IN 1 IN 2 Input new value and show IN 2 IN 3 Input new value and show IN 3 T mV 0 1 0 2 Show RD 1 prior value Scroll right one digit Show prior value Scroll right one digit Show prior value Scroll right one digit Show prior entered value Scroll right one digit Show prior and actual value Show prior and actual value Show prior and actual value pH D Disabled E Enabled V...

Page 47: ...PLAY TEMP Temperature Reading VOLT mV Reading SP RS T mV pH Shows temperature value of input signal Press again to show mV value of input signal Shows mV value of input signal Press again to show temperature value of input signal RESET Description LATCHED RESET Press RESET button to reset your setpoints ...

Page 48: ... 2 T mV Scroll right one digit Scroll right one digit pH Change flashing digit s value Change flashing digit s value DESCRIPTION Select from 1999 through 9999 Select from 1999 through 9999 SECTION 8 SETPOINT CONFIGURATION DISPLAYS Table 8 1 Setpoint Configuration Displays ...

Page 49: ...ecification Range 620 to 620 mV Resolution From 199 9 to 620 0 mV 0 1 mV From 200 to 620 1 mV Accuracy 0 1 mV ORP specification is only used to verify proper operation of electrodes TEMPERATURE Range 0ºC to 100ºC 32ºF to 212ºF Resolution 0 1ºC Accuracy 0 5ºC Unit of Measure ºF or ºC programmable by software Sensor 100 1000 Ohm Pt RTD Connection by screw terminals Isolation Dielectric strength to 2...

Page 50: ...y be assigned to a display range or proportional control output with setpoint 1 when used as a control output Linearity 0 2 Step Response Time 2 3 seconds to 99 of the final value ISOLATED ANALOG OUTPUT TB5 if applicable Same as non isolated analog output except isolated to 1000 Vdc Signal Type Current or voltage Signal Level Current 10 V max compliance at 20 mA output Voltage 20 mA max for 0 10 V...

Page 51: ...mperature 0 to 50 C 32 to 122 F Storage temperature 40 to 85 C 40 to 185 F Relative humidity 90 at 40 C non condensing MECHANICAL Panel cutout 1 8 DIN 3 62 x 1 78 45 x 92mm Weight 1 27 lb 575 g Case material Polycarbonate 94 V O UL rated AC units 115 230 V AC 10 50 60 Hz 7 W max power consumption Non Isolated Analog Output 8 W max power consumption Isolated Analog Output DC units 10 32 Vdc 6 W max...

Page 52: ...imensions Panel Cutout SIDE VIEW TOP VIEW CASE REAR COVER 96 0 3 78 48 0 1 89 20 3 80 151 4 5 96 RETAINER FRONT BEZEL 45 00 0 61 0 00 1 772 024 000 92 00 0 81 0 00 3 622 032 000 PANEL THICKNESS 1 5 R 06 4 PLCS 6 4 25 MAX 0 8 03 MIN NOTE Dimensions in Millimeters Inches ...

Page 53: ...n R 2 C Degree Celsius S1 CF Setpoint 1 Configuration S 1 A Setpoint is active above S 2 U Setpoint is unlatched S2 CF Setpoint 2 Configuration S 1 A Setpoint is active above S 2 U Setpoint is unlatched S1 DB Setpoint 1 Deadband 0003 S2 DB Setpoint 2 Deadband 0003 OT CF Output Configuration O 1 E Analog output is enabled O 2 C Analog output is current OT S O Output Scale and Offset 0 14 pH 4 20 mA...

Page 54: ...to the Mains Supply power Maximum Line to Neutral working voltage is 50 Vac dc This unit should not be used in Measurement Categories II III IV Transients Overvoltage Surge 1 2 50uS pulse Input Power 2500 V Input Power 500 V Low Voltage dc Power Option Isolated Analog 500 V Input Output Signals 500 V Note Units configured for external low power dc voltage 10 32 Vdc Basic Insulation EMC EN61326 199...

Page 55: ...be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and add...

Page 56: ...rs Air Velocity Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipment DATA ACQUISITION Data Acquisition Engineering Software Communications Based Acquisition Systems Plug in Cards for Apple IBM Compatibles Datalogging Systems Recor...

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