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Manuals - OMEGA Engineering

1. 90 12 8 Thermocouple Specification Output and Input 91 12 9 RTD and Thermistor Specification Output lilius 93 12 10 RTD and Thermistor Specification Input liliis 95 12 11 Pressure Measurement Specifications illius 97 13 Warranty cocata kraina pinia EEDE E a A 98 1 Introduction The Omega CL3001 calibrator is an accurate full featured temperature pressure and DC calibrator intended for R amp D manufacturing and calibration lab applications The unit s simple design and ease of operation allow users to quickly familiarize themselves with its operations and features Time saving functions like the ability to save recall and automatically cycle through setpoints for each output range the ability to enter user definable RTD curves and a complete remote interface are several key features offered by the CL3001 1 1 Customer Service Omega Engineering One Omega Drive Box 4047 Stamford CT 06907 0047 Tel 203 359 1660 Fax 203 359 7900 www omega com email info omega com 1 2 Standard Equipment Power cord Thermocouple shorting jumper 1 3 Options and Accessories 4 Wire PT100 RTD probe P M 1 10 1 8 6 0 P 3 NIST traceable certificate of calibration for RTD Cal 3 RTD Thermocouple extension cables male mini connector to spade lug length is 2 ft CL 300 CABLE 2 Insert one thermocouple for CL 300 CABLE J K T E R S
2. CURRENT SENSE l 0 20V PK AO I MAX gt Figure 10 DC Voltage Output Connection d Use the numeric keypad to enter the desired output value and ENTER press the key Alternatively use the gt or 4 cursor key to select a digit to modify followed by the or cursor key to ramp the digit up or down This method offers a simple solution when small changes to an output value are required or if specific decades need to be incremented or decremented e When DC voltage mode is first selected the CL3001 is placed in the standby Stby mode which puts the positive output jack into a high impedance state gt 100k ohm for safety To place the output into the active state press the IEZZSIE key which toggles between the standby and operate modes The standby mode is also activated in the following situations If a fault occurs during operation such as an overload or short circuit condition As a safety feature for all new outputs over 30 VDC Refer to the product specification section of this manual for maximum drive currents Warning Scrolling the output when the output value is already over 30V will not place the CL3001 in standby mode for each new value 17 Warning Automatic setpoints over 30V will not place the CL3001 in standby mode for each new value f The CL3001 can be locked to a specific voltage range by entering a value in that range and then sele
3. Terminator Function ASCII Character Control Language Command Command Number Program Terminator Terminator Carriage Return CR 13 Chr 13 lt Cntl gt M 1 Line Feed LF 10 Chr 10 lt Cntl gt J r Backspace BS 8 Chr 8 lt Cntl gt H b Form Feed FF 12 Chr 12 lt Cntl gt L f Examples RS 232 Mode terminal OUT 1 V lt Enter gt RS 232 Mode program Comm1 Output OUT 1 V Chr 10 IEEE 488 Mode OUT1V IEEE 488 interface The CL3001 sends the ASCII character Carriage Return with the EOI control line held high as the terminator for response messages The CL3001 recognizes the following as terminators when encountered in incoming data ASCII CR character 50 e Any ASCII character sent with the EOI control line asserted RS 232 interface The CL3001 sends a Carriage Return CR character as the terminator for response messages The CL3001 recognizes the following as terminators when encountered in incoming data ASCII CR character ASCII LF character e Incoming Character Processing The CL3001 processes all incoming data as follows The most significant data bit DIO8 is ignored All data is taken as 7 bit ASCII Lower case or upper case characters are accepted with lower case converted to upper case before processing f Response Message Syntax In the detailed command descriptions in section 10 the responses from the CL3001 are described wherever app
4. PRES_UNIT X IEEE 488 x RS 232 x Sequential Overlapped This command returns the primary display pressure units Parameter lt None gt Response lt value gt where lt value gt is one of the following PSI pounds per square inch 73 Example INH204C inches of water at 4 C INH2020C inches of water at 20 C INH2O60F inches of water at 60 F CMH204C centimeters of water at 4 C CMH2020C centimeters of water at 20 C MMH204C millimeters of water at 4 C MMH2020C millimeters of water at 20 C BAR bars MBAR millibars KPA kilopascals MPA megapascals INHG inches of mercury at 0 C MMHG millimeters of mercury at 0 C KG CM2 kilograms per square centimeter PRES UNIT BAR This example indicates that the primary pressure display units are bars RANGE Overlapped x lt IEEE 488 X RS 232 X Sequential This command returns the present DC voltage or current output range Parameter Response Example range is 10 V None value where value is one of the following V_0 1V DC volts 100 mV range V 1V DC volts 1V range V 10V DC volts 10 V range V 100V DC volts 100 V range A 0 1A DC current NONE neither volts nor current is selected RANGE V 10V This example indicates that the present output x lt RANGELCK Overlapped This command locks or unlocks the DC voltage output range per the pr
5. Select Thermocouple or RTD Ohms input output mode and toggle between them Select Pressure input mode In Thermocouple mode cycle through the thermocouple types including millivolts ln RTD Ohms mode cycle through the RTD types including ohmsin Pressure mode cycle through the pressure units STBY OPR For all output modes except Thermocouple toggle between Standby and Operate modes In Standby mode any change to the output value in the display is not driven to the terminals until the Operate mode is selected In Operate mode each change to the output value in the display is driven to the terminals immediately except for DC voltages greater then 30V when the mode reverts to Standby automatically for safety reasons ENTER Changes the calibrator output or parameter to the numeric value typed into the keypad Clears a partial keypad entry and reverts the calibrator output or parameter to its last known value SHIFT Prepares for selection of a secondary function via the numeric keypad according to the text above each key The display changes to SHIFT ENABLED until a numeric key is pressed To cancel the selection press again Cursor controls Press gt or Q to position the cursor under the digit in an output value that is to be incremented or decremented Press Q to increment the digit in the output value where the cursor is positioned Press e t
6. 65 66 ISO_MEAS x IEEE 488 x RS 232 Sequential X Overlapped This command sets the isolated measurement type Parameter lt value gt where lt value gt is one of the following DC10V measure DC voltage 10V range DC100V measure DC voltage 100V range DCI measure DC current PRESSURE measure pressure Response lt None gt Example ISO_MEAS DCI This example sets the isolated measurement to DC current ISO_PRES_UNIT Overlapped This command sets the isolated pressure unit x lt IEEE 488 X RS 232 x lt Sequential Parameter value where value is one of the following PSI pounds per square inch INH204C inches of water at 4 C INH2020C inches of water at 20 C INH2O60F inches of water at 60 F CMH204C centimeters of water at 4 C CMH2020C centimeters of water at 20 C MMH204C millimeters of water at 4 C MMH2020C millimeters of water at 20 C BAR bars MBAR millibars KPA kilopascals MPA megapascals INHG inches of mercury at 0 C MMHG millimeters of mercury at 0 C KG CM2 kilograms per square centimeter Response lt None gt Example bars ISO_PRES_UNIT BAR This example sets the isolated pressure unit to ISO_PRES_UNIT Overlapped X IEEE 488 X RS 232 x Sequential This command returns the isolated pressure unit Pa
7. LO 0 0 fog 0 0 0O Disconnect any test leads from external devices Select thermocouple input on the primary display as described in section 4 7 Select the thermocouple type which corresponds to the thermocouple being tested Connect the thermocouple as shown in figure 25 Test the thermocouple per the manufacturer s instructions Thermocouple Transmitter 24mA LPWR 12 0000 mA Ed a E E3 Je o DIG did JO o HB HART EE Communicator Figure 26 Thermocouple Transmitter Application Disconnect any test leads from external devices Select thermocouple output on the primary display as described in section 4 8 Select the thermocouple type which corresponds to the transmitter being tested Select current input on the isolated display as described in section 5 2 Select the isolated loop power option If a HART communicator is to be used for set up of the transmitter select the HART option Connect the transmitter as shown in figure 26 5 Test and calibrate the transmitter per the manufacturer s instructions 37 7 8 RTD Indicator 4 138 135 78 indicator x 1 3 Wire RTD T w Q H 2 135 78 C Indicator m ee 135 78 G ore YA 0 0 Gio E Figure 27 RTD Indicator Application Disconnect any test leads from external devices 2 Select RTD output on the primary display as described in section 4 4 Select the RTD type which corres
8. where text string contains the following three fields separated by commas 1 Manufacturer 2 Serial number 3 Firmware revision level always 0 Example PRES OMEGA 610070 0 This example indicates that the manufacturer is Omega the serial number is 610070 and the firmware version is O PRES MEAS x IEEE 488 x RS 232 Sequential X Overlapped This command changes the primary display operating mode to pressure measurement Parameter Response lt None gt lt None gt Example PRES MEAS This example changes the primary display operating mode to pressure measurement PRES_UNIT X IEEE 488 X RS 232 Sequential X Overlapped This command sets the primary display pressure units Parameter lt value gt where lt value gt is one of the following PSI pounds per square inch INH204C inches of water at 4 C INH2020C inches of water at 20 C INH2O60F inches of water at 60 F CMH204C centimeters of water at 4 C CMH2020C centimeters of water at 20 C MMH204C millimeters of water at 4 C MMH2020C millimeters of water at 20 C BAR bars MBAR millibars KPA kilopascals MPA megapascals INHG inches of mercury at 0 C MMHG millimeters of mercury at 0 C KG CM2 kilograms per square centimeter Response lt None gt Example PRES_UNIT BAR This example sets the primary display pressure units to bars
9. C 630 C 0 16 C 0 19 C 1 2 wire output 93 RTD and Thermistor Specification Output continued Absolute Uncertainty tcal 5 C x C Range C Output Input RTD Type Minimum Maximum 90 days 1 year Pt 385 1000 Q 200 C 80 C 0 06 C 0 07 C 80 C 0 C 0 06 C 0 08 C 0 C 100 C 0 07 C 0 08 C 100 C 260 C 0 07 C 0 08 C 260 C 300 C 0 07 C 0 09 C 300 C 400 C 0 07 C 0 09 C 400 C 600 C 0 08 C 0 09 C 600 C 630 C 0 08 C 0 09 C Ni 120 120 Q 80 C 0 C 0 02 C 0 02 C 0 C 100 C 0 02 C 0 02 C 100 C 260 C 0 01 C 0 02 C Cu 427 10 Q 100 C 260 C 0 30 C 0 38 C YSI 400 15 C 50 C 0 005 C 0 007 C 1 2 wire output 94 12 10 RTD and Thermistor Specification Input Absolute Uncertainty teal 5 C C Range C Output Input RTD Type Minimum Maximum 90 days 1 year Pt 385 100 Q 200 C 80 C 0 011 C 0 012 C 80 C 0 C 0 018 C 0 020 C 0 C 100 C 0 018 C 0 020 C 100 C 300 C 0 027 C 0 030 C 300 C 400 C 0 031 C 0 035 C 400 C 630 C 0 042 C 0 047 C 630 C 800 C 0 050 C 0 057 C Pt 3926 100 Q 200 C 80 C 0 011 C 0 011 C 80 C 0 C 0 014 C 0 015 C 0 C 100 C 0 018 C 0 019 C 100 C 300 C 0 026 C 0 029 C 300 C 400 C 0 031 C 0 034 C 400 C 630 C 0 041 C 0 046
10. Press the Milli key to display the curve selection prompt RTD CUSTOM 1 5 Press the numeric key corresponding to the custom RTD curve to be entered At the SET 1 RECALL 2 prompt press e to select custom RTD curve data entry At the ENTER MIN TEMP prompt enter the minimum temperature limit for the custom RTD curve and press the ENTER key At the ENTER MAX TEMP prompt enter the maximum temperature limit for the custom RTD curve and press the At the ENTER RO prompt enter the nominal resistance value RO for the custom RTD curve and press the key At the ENTER COEFF A prompt enter the first A coefficient for the custom RTD curve and press the key To enter a coefficient that includes an exponent enter the mantissa press the and eo keys to select the EXP function enter the exponent and press the key When prompted enter the second B and third C coefficients in the same manner To abort the curve entry without saving any changes press Te the key To use a custom RTD curve a Select RTD measure or source mode as described in the preceding sections b Press the EIE key until the USR DEF type is selected C Press the ENTER key to display the curve selection prompt RTD CUSTOM 1 5 d Press the numeric key corresponding to the custom RTD curve to be used e At the SET 1 RECALL 2 prompt press to recall the custom RTD curve coefficients i
11. Shop online at omega com CEOMEGA omega com e mail info omega com For latest product manuals omegamanual info IS09001 1509002 CERTIFIED CERTIFIED CORPORATE QUALITY CORPORATE QUALITY STAMFORD CT MANCHESTER UK Model CL3001 AUTO 0 1 VDC 10V RANGE Stby 0 000000 V 0 0002 V F Oo LO NE Precision Calibrator M 4705 1210 CL3001 omega com AX OMEGA OMEGAnet Online Service Internet e mail www omega com info omega com USA ISO 9001 Certified Canada Servicing North America One Omega Drive Box 4047 Stamford CT 06907 0047 Tel 203 359 1660 FAX 203 359 7700 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 Canada Tel 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance USA and Canada Mexico Benelux Czech Republic France Germany Austria United Kingdom ISO 9002 Certified 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 TELEX 996404 EASYLINK 62968934 CABLE OMEGA En Espa ol 001 203 359 7803 e mail espanol omega com FAX 001 203 359 7807 info omega com mx Servicing Europe Postbus 8034 1180 LA Amstelveen The Netherlands Tel 31 0 20 3472121 FAX 31 0 20 6434643 Toll Free in Benelux 0800 09
12. key Pressing the LOCAL key using RS 232 to send the LOCAL command or IEEE 488 to send the GTL Go To Local message returns the CL3001 to the local state d Remote with Lockout State When the CL3001 is placed in lockout either via a RS 232 LOCKOUT command or via the IEEE 488 message LLO Local Lockout the CL3001 front panel controls are totally locked out The left end of the top line of the display changes to rem To return the CL3001 to the local with lockout state send the RS 232 LOCAL command or the IEEE 488 GTL Go To Local message Table 4 summarizes the possible operating state transitions For more information on IEEE 488 GPIB messages see section 9 5 Table 4 Operating State Transitions From To Front Panel GPIB Message Serial Command Local Remote MLA REN True REMOTE Local with Lockout LLO LOCKOUT Remote Local Local 0 key GTL or REN False LOCAL Remote with Lockout LLO LOCKOUT Local with Local REN False LOCAL Lockout Remote with Lockout MLA REN True REMOTE Remote with Local REN False LOCAL Lockout Local with Lockout GTL 9 5 IEEE 488 Interface Overview The IEEE 488 parallel interface sends commands as data and receives measurements and messages as data The maximum data exchange rate is 1 Mbyte per second with a maximum distance of 20 meters for the total length of the connecting cables A single cable should not exceed 4 meters in length Several commands are u
13. 12 3 DC Voltage Specifications Isolated Input Absolute Uncertainty Ranges tcal 5 C ppm of reading mV Resolution 0 to 10 0000 V 50 0 2 100 uV 0 to 100 000 V 50 2 0 1 mV 12 4 DC Current Specifications Output Absolute Uncertainty teal 5 C ppm of output A Maximum Maximum Compliance Inductive Ranges 90 days 1 year Resolution Voltage Load 0to100000mA 40 1 50 1 1 uA 12V 100 mH 1 All outputs are positive only 89 Noise Bandwidth Bandwidth Ranges 0 1 to 10 Hz p p 10 Hz to 10 kHz rms 4V 0 to 100 000 mA 2000 nA 20 uA 12 5 DC Current Specifications Isolated Input Ranges Absolute Uncertainty tcal 5 C ppm of reading 4A Resolution 010 50 0000 mA 100 1 0 1 uA 2 HART resistor 1 Loop power 24V 10 2500 3 3 Maximum rated loop current 24mA 12 6 Resistance Specifications Output Absolute Uncertainty tcal 5 C ohms Ranges 90 days 1 year Resolution Nominal Current 5 to 400 000 Q 0 012 Q 0 015 O 0 001 Q 1to 3 mA 5 to 4 00000 kQ 0 25 Q 0 30 0 01 Q 100 uA to 1 mA 1 Continuously variable from 010 4 kQ 2 For currents lower than shown the specification becomes New Spec Stated Spec x Imin lactual 0 015 Q x 1 mA 500 pA 0 03 Q For example a 500 uA stimulus measuring 100 Q has a specification of 12 7 Resistance Specific
14. Disconnect line power 2 Using the blade of a suitable flat screwdriver pry up the tab at the base of the line fuse compartment by inserting the blade in the center slot under the tab The compartment cover will pop part way out 3 Remove the compartment cover 4 Remove the line voltage selector assembly by gripping the line voltage indicator tab with pliers and pulling it straight out of the compartment 5 Rotate the line voltage selector assembly to the desired voltage and reinsert 6 Verify you are using the appropriate fuse for the selected line voltage see table 10 above and reinstall the fuse compartment by pushing it in until the tab locks in place 87 12 Specifications 12 1 General Specifications Warm up time Twice the time since last warmed up to a maximum of 30 minutes Settling time Less than 5 seconds for all functions and ranges except as noted Standard interfaces RS 232 IEEE 488 GPIB Temperature performance Operating 0 C to 50 C Calibration tcal 18 C to 28 C Storage 20 C to 70 C Electromagnetic compatibility CE Conforms to EN61326 Temperature coefficient Temperature coefficient for temperatures outside tcal 5 C is 10 of the 90 day specification or 1 year if applicable per C Relative humidity Operating lt 80 to 30 C lt 70 to 40 C lt 40 to 50 C Storage lt 95 noncondensing Altitude Operating 3 050 m 10 000 ft
15. ESR The Event Status Register is a two byte register in which the higher eight bits are always 0 and the lower eight bits represent various conditions of the CL3001 The ESR is cleared set to 0 when the power is turned on and every time it is read Many of the remote commands require parameters Improper use of parameters causes command errors to occur When a command error occurs bit CME 5 in the Event Status Register ESR goes to 1 if enabled in ESE register and the error is logged in the error queue Event Status Enable ESE Register A mask register called the Event Status Enable register ESE allows the controller to enable or mask disable each bit in the ESR When a bit in the ESE is 1 the corresponding bit in the ESR is enabled When any enabled bit in the ESR is 1 the ESB bit in the Serial Poll Status Byte also goes to 1 The ESR bit stays 1 until the controller reads the ESR does a device clear a selected device clear or sends the reset or CLS command to the CL3001 The ESE is cleared set to 0 when the power is turned on Bit Assignments for the ESR and ESE The bits in the Event Status Register ESR and Event Status Enable register ESE are assigned as shown in Figure 35 15 14 13 12 11 10 8 0 0 7 6 5 4 3 2 1 0 PON 0 CME EXE DDE QYE 0 OPC PON Power on This bit is set to 1 if line power has been turned off and on since the last time the ESR was read CME Co
16. enter the mantissa press the Bill and E keys to select the EXP function enter the exponent and ENTER press the key i When prompted enter the second B third C fourth A and fifth B deviation coefficients in the same manner j To abort the SPRT entry without saving any changes 16 press the key To use a custom SPRT a Select RTD measure mode as described in the preceding section b Press the key until the SPRT type is selected C Press the key to display the action prompt SET 1 RECALL 2 d Press e to recall the custom SPRT curve coefficients To use a different custom SPRT press the BE key twice to display the SPRT selection prompt 4 7 Thermocouple T C Measure The CL3001 can measure all common thermocouple types in F or C plus basic millivolts from 10 0 to 75 0 mV The following common thermocouple types are supported 8 b B C E J K L N R S T U XK BP Disconnect any test leads from external devices TC Press the key to select thermocouple and RTD O mode if not already selected If RTD O mode is displayed press the key again to cycle to thermocouple mode If output mode is displayed select input mode by pressing the Ml anc Q keys TYPE Press the ELISS key to select the desired thermocouple type or the millivolt range Connect the unit under test to the thermocouple terminals of the CL3001 using a standard T C miniplug a
17. f To use a different custom RTD curve press the Hail key twice to display the USR_DEF selection prompt The USR_DEF function of the CL3001 uses the Calendar Van Dusen equation for sourcing and measuring custom RTD s The C coefficient is only used for the subrange 260 to 0 degrees Celsius Only the A and B coefficients are needed for the subrange 0 to 630 degrees The RO value is the resistance of the probe at 0 degrees Celsius All 5 of the custom RTD curves are set to PT385 at the factory as shown in Table 2 Table 2 Default Custom RTD Coefficients Curve Subrange RO Coefficient A Coefficient B Coefficient C 1 0 to 630 100 3 9083e10 3 5 775e10 7 0 2 260 to 0 100 3 9083e10 3 5 775e10 7 4 183e10 12 3 0 to 630 100 3 9083e10 3 5 775e10 7 0 4 260 to 0 100 3 9083e10 3 5 775e10 7 4 183e10 12 5 0 to 630 100 3 9083e10 3 5 775e10 7 0 Table 3 shows the coefficients for RTD types PT391 and PT392 The C coefficient is only used for temperatures below 0 degrees Celsius Table 3 Other Common RTD Coefficients RTD Type RO Coefficient A Coefficient B Coefficient C PT392 100 3 9848e10 3 5 87e10 7 4 0e10 12 PT391 100 3 9692e10 3 5 8495e10 7 4 2325e10 12 23 4 6 Standard Platinum Resistance Thermometer SPRT 24 Coefficients The SPRT function of the CL3001 uses ITS 90 standard coefficients as a basis for measuring a SPRT The fi
18. m or u as described above V DC volts A DC current OHM Resistance CEL Temperature in Celsius FAR Temperature in fahrenheit Response None Examples Explanation OUT 15 2 V Change to DC volts output 15 2 V OUT 1 2 mA Change to DC current output 1 2 mA note units prefix multiplier m OUT 5 Ohm Change to Resistance output 5 O OUT 100 CEL Change to temperature in C output 100 C OUT 3 No change to output mode output a value of 3 in the present units OUT X IEEE 488 x RS 232 X Sequential Overlapped This command returns the present output value and units of the CL3001 Parameter lt None gt Response lt value gt lt units gt 71 72 Examples PRES Overlapped where lt value gt is the present output value and where lt units gt is one of the following V DC volts A DC current OHM Resistance CEL Temperature in Celsius FAR Temperature in fahrenheit Explanation OUT 1 88300E 02 A Present output is 18 83 mA OUT 1 23000E 00 V Present output is 1 23 V OUT 4 00000E 03 OHM Present output is 4 0 KO OUT 1 0430E 02 CEL Present output is 104 3 C x lt IEEE 488 X RS 232 X Sequential This command queries the attached pressure module for its manufacturer serial number and firmware version Parameter None Response text string
19. operation including selecting the interface and the bus address A typical IEEE 488 GPIB connection is shown in Figure 32 See section 2 5 for the location of the IEEE 488 GPIB port on the rear panel of the CL3001 43 44 IEEE 488 Port IEEE 488 Cable IEEE 488 Port ER CL3001 Calibrator Controller Figure 32 IEEE 488 GPIB Remote Connection 9 4 Changing Between Local and Remote Operation In addition to local mode front panel operation and remote the CL3001 can be placed into a local lockout condition at any time by command of the controller Combined the local remote and lockout conditions yield four possible operating states as follows a Local State The CL3001 responds to local and remote commands This is normal front panel operation All remote commands received by the CL3001 are processed b Local with Lockout State Local with lockout is identical to local except that the CL3001 will go into the remote with lockout state instead of the remote state when it receives a remote command This state can only be entered by sending the IEEE 488 command GTL Go To Local when in the remote with lockout state C Remote State When the CL3001 is placed in remote either via a RS 232 REMOTE command or via the IEEE 488 asserting the REN line it enters the remote state The left end of the top line of the display changes to rem Front panel operation is disabled except for the LOCAL 0
20. range The set up and use of custom RTD coefficients is described in section 4 5 Connect the unit under test to the RTD output terminals of the CL3001 as shown in figure 13 Am 2 ES O SO RTD Q Input A 100VMAX TC JO Lo Lo INPUTIOUTPUT x MAX ri Gio Figure 13 RTD O Output Connection Press the and Q keys to toggle the RTD display between F and C Use the numeric keypad to enter the desired output value and ENTER press the key Alternatively use the gt or 4 cursor key to select a digit to modify followed by the or cursor key to ramp the digit up or down This method offers a simple solution when small changes to an output value are required or if specific decades need to be incremented or decremented When RTD Q mode is first selected the CL3001 is placed in the standby Stby mode which puts the positive output jack into a high impedance state gt 100k ohm for safety To place the output into the active state press the IEZiS key which toggles between the standby and operate modes 21 4 5 Resistance Temperature Detector RTD with Custom Coefficients The CL3001 has the capability to store coefficients for up to 5 custom RTD curves To enter the coefficients for a custom RTD curve 22 a Select RTD measure or source mode as described in the preceding sections i Press the EES key until the USR DEF type is selected
21. C Pt 3916 100 Q 200 C 190 C 0 006 C 0 006 C 190 C 80 C 0 011 C 0 012 C 80 C 0 C 0 014 C 0 015 C 0 C 100 C 0 018 C 0 019 C 100 C 260 C 0 025 C 0 028 C 260 C 300 C 0 026 C 0 029 C 300 C 400 C 0 031 C 0 034 C 400 C 600 C 0 040 C 0 045 C 600 C 630 C 0 042 C 0 047 C Pt 385 200 Q 200 C 80 C 0 008 C 0 009 C 80 C 0 C 0 012 C 0 013 C 0 C 100 C 0 015 C 0 017 C 100 C 260 C 0 020 C 0 022 C 260 C 300 C 0 050 C 0 053 C 300 C 400 C 0 053 C 0 057 C 400 C 600 C 0 070 C 0 075 C 600 C 630 C 0 071 C 0 076 C Pt 385 500 Q 200 C 80 C 0 007 C 0 008 C 80 C 0 C 0 019 C 0 020 C 0 C 100 C 0 023 C 0 025 C 100 C 260 C 0 030 C 0 033 C 260 C 300 C 0 032 C 0 035 C 300 C 400 C 0 037 C 0 041 C 400 C 600 C 0 047 C 0 052 C 600 C 630 C 0 048 C 0 053 C 1 4 wire mode Uncertainties listed do not include probe uncertainties 95 RTD and Thermistor Specification Input continued Absolute Uncertainty teal 5 C C Range C Output Input RTD Type Minimum Maximum 90 days 1 year Pt 385 1000 Q 200 C 80 C 0 011 C 0 012 C 80 C 0 C 0 014 C 0 015 C 0 C 100 C 0 019 C 0 020 C 100 C 260 C 0 025 C 0 028 C 260 C 300 C 0 027 C 0 030 C 300 C 400 C 0 030 C 0 034
22. To set a setpoint a b Select the output mode Enter the output value for the setpoint Press the and e keys to select the SET function At the setpoint number selection prompt SET POINTZ press the numeric key 1 to 9 corresponding to the setpoint to be set If the automatic cycle feature is to be used care should be taken to order the setpoint values in an appropriate manner It always cycles between setpoint number 1 and a user specified ending setpoint number The values in the cycled group of setpoints should be entered with this in mind Any random setpoints used for individual checks can then be located after the usual ending setpoint number To recall a single setpoint Select the output mode Press the and eo keys to select the RECALL function At the setpoint number selection prompt RECALL SPT press the numeric key 1 to 9 corresponding to the setpoint to be recalled To start an automatic setpoint cycle Select the output mode Press the and o keys to select the AUTOSET function At the ending setpoint number selection prompt AUTO SET POINT press the numeric key 1 to 9 corresponding to the ending setpoint number for the cycle At the dwell time prompt DWELL TIME 5 500 enter the number of seconds 5 to 500 to dwell at each setpoint ENTER value followed by the key ime duri The EE key can be used at any time during the cycle without stopping it Press any other key to te
23. Xon Xoff EOL end of line character CR Carriage Return A typical RS 232 connection is shown in Figure 31 Note the use of a null modem cable for the connection See section 2 5 for the location of the RS 232 port on the rear panel of the CL3001 9 2 1 Using the CL3001 on Computers with USB Ports The CL3001 can be used with a computer having only USB ports with the use of a USB to serial converter oe Null Modem Cable 7 2 Port CL3001 Calibrator Controller Figure 31 RS 232 Remote Connection 9 3 Setting up the IEEE 488 Port for Remote Control The CL3001 is fully programmable for use on a standard IEEE 488 interface bus The IEEE 488 interface is also designed in compliance with supplemental standard IEEE 488 2 which describes additional IEEE 488 features Devices connected to the IEEE 488 bus are designated as talkers listeners talker listeners or controllers Under remote control of an instrument the CL3001 operates as a talker listener A PC equipped with an IEEE 488 interface controls the CL3001 When using the IEEE 488 remote control interface there are two restrictions A maximum of 15 devices can be connected in a single IEEE 488 bus system The total length of IEEE 488 cables used in one IEEE 488 bus System is 2 meters times the number of devices in the system or 20 meters whichever is less See section 8 for instructions on configuring the CL3001 for IEEE 488 GPIB
24. dia ar eae ee a 41 9 2 Setting up the RS 232 Port for Remote Control 42 9 3 Setting up the IEEE 488 Port for Remote Control 43 9 4 Changing Between Local and Remote Operation 44 9 5 IEEE 488 Interface Overview iliis 45 9 6 Using Commands erui REA n badd ERR 46 9 7 Checking 3007 Status iis scc ue ERRARE RE Rug 51 10 Remote Commands c rrr hh 57 10 1 Introduction ossia rioni daunin yee E RAE RE AERE 57 10 2 Command Summary by Function ee 57 10 3 Error Code Listing 2 ss ao ae e aee n d 60 10 4 Remote Command Listing lise 62 11 Maintenance 22 2222222222 22222 222 86 11 1 Cleaning the Calibrator 000 cece tees 86 11 2 Replacing a Lihe FUSE is oi ve PEE pd RE Rene 86 11 3 Changing the Line Voltage l l 87 12 Specifications 44 2222222222 eee 88 12 1 General Specifications eis ete 88 12 2 DC Voltage Specifications Output illie 89 12 3 DC Voltage Specifications Isolated Input liliis 89 12 4 DC Current Specifications Output liliis 89 12 5 DC Current Specifications Isolated Input lille 90 12 6 Resistance Specifications Output lille 90 12 7 Resistance Specifications Input
25. each data byte from the controller it places the byte in a portion of memory called the input buffer The input buffer holds up to 250 data bytes and operates in a first in first out fashion 10 11 IEEE 488 interface The CL3001 treats the IEEE 488 EOI control line as a separate data byte and inserts it into the input buffer if it is encountered as part of a message terminator Input buffer operation is transparent to the program running on the controller If the controller sends commands faster than the CL3001 can process them the input buffer fills to capacity When the input buffer is full the CL3001 holds off the IEEE 488 bus with the NRFD Not Ready For Data handshake line When the CL3001 has processed a data byte from the full input buffer it then completes the handshake allowing the controller to send another data byte The calibrator clears the input buffer on power up and on receiving the DCL Device Clear or SDC Selected Device Clear message from the controller RS 232 interface The CL3001 uses the RS 232 C Xon Xoff protocol to control buffer overflow The CL3001 sends a Xoff Ctrl S character when the input buffer becomes 80 full and sends a Xon Ctrl Q character when it has processed enough of the input buffer so that it is less than 4096 full 10 Remote Commands 10 1 Introduction Remote commands duplicate actions that can be initiated from the front panel in local operating mode Fol
26. enter the desired output value and press the key 27 28 Alternatively use the gt or cursor key to select a digit to modify followed by the or cursor key to ramp the digit up or down This method offers a simple solution when small changes to an output value are required or if specific decades need to be incremented or decremented For best accuracy it is advisable to zero the T C millivolt circuit daily or if the CL3001 is being used outside of the ambient temperature range of 18 to 28 C This procedure is described in section 4 7 on thermocouple measurements 4 9 Pressure Measure The CL3001 can support the following types of pressure modules Omega Pressure Modules Mensor Corporation Model 6100 Modules The Omega modules require the use of the Omega PCL PMA Adapter and offer the best performance vs cost The adapter allows the user to Hot Swap a pressure module for quick range changes For applications that require very high accuracy the Mensor 6100 Series while expensive will yield the best accuracy It may be helpful to discuss your pressure needs with Omega Technical Support before you purchase modules a Connect the pressure module to the CL3001 as shown in figure 16 RID OUTPUT cL AZ 0 0 0 4W RTO Q INPUT A Pressure Module amp Adapter Figure 16 Pressure Module Connection b Press the key The CL3001 automatically senses which pressure module is a
27. for more detailed information about the commands referenced in this section All commands units and text data may be entered in UPPER or lower case letters The CL3001 converts all lower case letters to upper case before processing 9 6 1 Types of Commands The commands for the CL3001 can be grouped into the following categories based on how they function a Device Dependent Commands Device dependent commands are unique to the CL3001 An example of a device dependent command is OUT 1 V This command instructs the CL3001 to source 1 volt DC b Common Commands Common commands are defined by the IEEE 488 2 standard and are common to most bus devices Common commands always begin with an asterisk character Common commands are available whether you are using the IEEE 488 or RS 232 interface for remote control An example of a common command is IDN This command instructs the CL3001 to return the instrument identification string C Query Commands Query commands request information which may be returned as the command executes or may be placed in a buffer until requested later Query commands always end with a question mark An example of a query commands is RANGE This command instructs the CL3001 to return the present DC voltage output range Interface Messages IEEE 488 Interface messages manage traffic on the IEEE 488 interface bus Device addressing and clearing data handshaking and commands to place statu
28. maximum Nonoperating 12 200 m 40 000 ft maximum Safety EN 61010 Second ANSI ISA S82 01 1994 CAN CSA C22 2 No 1010 1 92 NRTL Analog low isolation 20V Line power Line Voltage selectable 100V 120V or 220V 240V Line Frequency 47 to 63 Hz Line Voltage Variation 10 about setting Power consumption 15 VA maximum Dimensions Height 13 3 cm 5 25 in plus 2 9 cm 1 15 in for extended feet Width standard rack width 19 inch Depth 30 0 cm 11 81 in overall Weight without options 4 kg 9 Ib 88 12 2 DC Voltage Specifications Output Absolute Uncertainty teal 5 C ppm of output V Stability 24 hours 1 C Maximum Ranges 90 days 1year ppm of output V Resolution Burden O to 100 000 mV 25 3 30 3 5 ppm 2 1 uv 10 mA 0 to 1 00000 V 25 10 30 10 4 ppm 10 10 uV 10 mA 0 to 10 0000 V 25 100 30 100 4 ppm 100 100 uV 10 mA 0 to 100 000 V 25 1mV 30 1mV 5 ppm 1 mV 1 mv 1mA TC Output and Input 10 to 75 000 mV 25 34V 30 3uV 5 ppm 24N 1 uv 109 1 All outputs are positive only 2 Remote sensing is not provided Output resistance is 19 Noise Bandwidth 0 1 to 10 Hz p p Bandwidth Ranges ppm of output 4V 10 Hz to 10 kHz rms 4V 010 100 000 mV 14V 6 uv 0 to 1 00000 V 10 uV 60 uV 0 to 10 0000 V 100 uV 600 uV 0 to 100 000 V 10 ppm 1 mV 20 mV
29. returns the present operate standby mode setting Parameter lt None gt IEEE 488 X 8 2 2 x Sequential Response lt value gt where lt value gt is 1 for operate mode and 0 for standby mode Example OPER 1 This example indicates that the CL3001 is in operate mode x lt OPT Overlapped This command returns a list of the installed hardware and software options This command is reserved for future use Parameter lt None gt Response lt text string gt where lt text string gt is 0 if no options are installed or a list of installed options separated by commas IEEE 488 X RS 232 X Sequential Example OPT 0 The example indicates that no options are installed x lt OUT Overlapped This command sets the output mode and value of the CL3001 To source a temperature select the desired mode and sensor parameters first with the TSENS_TYPE RTD_TYPE and TC_TYPE commands Use the multiplier prefixes k for kilo m for milli and u for micro with the OUT command units as desired The unit may be omitted if the output mode is not to be changed Parameter lt value gt lt units gt where lt value gt is the output value to be generated IEEE 488 X RS 232 Sequential x lt and where lt units gt is one of the following with a possible prefix multiplier k
30. temperature using the OUT command if applicable A change in temperature sensors sets the output to 0 C Note that the SPRT can only be used to measure signals not source them Parameters lt value gt where lt value gt is one of the following PT385 100 ohms ohm C PT385 200 ohms ohm C PT385 500 ohms ohm C PT385_1000 ohms ohm C PT392 100 ohms ohm C PTJIS 100 ohms ohm C CU10 NI120 YSI 400 OHMS HIGH OHMS LOW SPRT USR DEF x Response None Example 100 ohm RTD curve a 0 00385 200 ohm RTD curve a 0 00385 500 ohm RTD curve a 0 00385 1000 ohm RTD curve a 0 00385 100 ohm RTD curve a 0 003926 100 ohm RTD curve a 0 003916 10 ohm RTD empirical curve 120 ohm RTD empirical curve YSI thermistor curve 4000 ohms range 400 ohms range standard PRT with user defined error coefficients only available for measurement RTD with user defined custom coefficients where x is the curve number and ranges from 1 to 5 i e USR_DEF2 for curve 2 RTD TYPE PTJIS 100 This example sets the RTD sensor to a 100 ohm type using the PT3916 curve a 0 003916 ohms ohm C The resistance of 100 ohms refers to the ice point characteristic the resistance of the RTD at 0 C 32 F 77 78 RTD_TYPE Overlapped x lt IEEE 488 x RS 232 Sequential This command returns the Resistance Temperature Detector RTD sensor type b
31. the power up state and holds off execution of subsequent commands until the reset operation is complete A reset action invokes the following commands and values for the primary display Command Value IEEE 488 x RS 232 _ OUT 0v PRES UNIT Last selected RANGE 01V RTD TYPE Last selected STBY No output TC REF INT TC TYPE Last selected TSENS TYPE Last selected The isolated display and selections remain as they were last selected Parameter None Response None Example RST This example resets the CL3001 invoking the commands and values shown above RTD_MEAS x IEEE 488 X RS 232 X Sequential Overlapped This command places the primary display in RTD measure mode Parameter lt value gt where lt value gt is one of the following CEL display in degrees celsius FAR display in degrees fahrenheit lt None gt display in the last selected temperature unit Response lt None gt Example RTD_MEAS CEL This example sets the CL3001 to RTD measure mode displaying in degrees celsius RTD_TYPE x IEEE 488 X RS 232 Sequential x Overlapped This command sets the Resistance Temperature Detector RTD sensor type for RTD source and measure Normally before using the RTD_TYPE command to select the RTD type use the TSENS_TYPE command to select RTD mode and afterwards set the output
32. 0E 00 V 5 763300E 01 CEL This example indicates that the isolated measurement is 2 137 volts and that the primary measurement is 57 633 C WAI X IEEE 488 x RS 232 x Sequential Overlapped This command prevents further remote commands from being executed until all previous remote commands have been completed For example if you send an OUT command you can cause the CL3001 to wait until the output has settled before continuing on to the next command if you follow OUT with a WAI command The WAI command is useful with any overlapped command preventing the CL3001 from processing other commands until the overlapped command is completed Parameter lt None gt Response lt None gt Example OUT 1 1 V WAI ZERO_MEAS Overlapped OPER FAULT This example demonstrates setting the CL3001 output to 1 1 volts waiting for the output to settle before activating the output and checking if the sequence of commands completed successfully X IEEE 488 x RS 232 X Sequential This command zeros a pressure module the thermocouple mV offset or the RTD ohms offset For detailed zeroing instructions see section 4 3 for RTD ohms section 4 7 for thermocouple millivolts or section 4 9 for pressure Parameter Response Example ZERO MEAS Overlapped None for RTD ohms thermocouple millivolts or a pressure module that does not measure absolute pres
33. 93344 e mail sales omegaeng nl Frystatska 184 733 01 Karvina Czech Republic Tel 420 0 59 6311899 FAX 420 0 59 6311114 Toll Free 0800 1 66342 e mail info omegashop cz 11 rue Jacques Cartier 78280 Guyancourt France Tel 33 0 1 61 37 2900 FAX 33 0 1 30 57 5427 Toll Free in France 0800 466 342 e mail salesGomega fr Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5BD United Kingdom Tel 44 0 161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail sales omega co uk It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for human applications 3001 Operator s Manual 1 Introduction 2222222222 22 22222 1 1 1 Customer S
34. B N Test leads Black red set banana plug to banana plug 1 m L 3 TAC CAB 1 4 Unpacking Upon receipt of the shipment inspect the container and equipment for any signs of damage Take particular note of any evidence of rough handling in transit Immediately report any damage to the shipping agent NOTE The carrier will not honor any claims unless all shipping material is saved for their examination After examining and removing the contents save the packing material and carton in the event that re shipment is necessary 1 5 Remove the Packing List and verify that all of the listed equipment has been received If there are any questions about the shipment please call Omega at 800 872 9436 Check to see if your basic calibrator package is complete It should include CL3001 Calibrator Instruction Manual AC Line Cord Thermocouple Shorting Jumper NIST Certificate Safety Information Symbols Used The following table lists the International Electrical Symbols Some or all of these symbols may be used on the instrument or in this manual Symbol Description N AC Alternating Current AC DC Battery MA P4 ula CE Complies with European Union Directives DC Double Insulated Electric Shock Fuse PE Ground Hot Surface Burn Hazard IN Read the User s Manual Important Information O o On The following definitions apply to the terms Warning and Caution Warning ident
35. C 400 C 600 C 0 041 C 0 045 C 600 C 630 C 0 042 C 0 047 C Ni 120 120 Q 80 C 0 C 0 009 C 0 010 C 0 C 100 C 0 010 C 0 011 C 100 C 260 C 0 011 C 0 012 C Cu 427 10 Q 100 C 260 C 0 067 C 0 069 C YSI 400 15 C 50 C 0 005 C 0 007 C SPRT 200 C 660 C 0 05 C 0 06 C 1 4 wire mode Uncertainties listed do not include probe uncertainties 96 12 11 Pressure Measurement Specifications The CL3001 can accept either the Omega Engineering pressure modules or Mensor Corporation 6100 series pressure modules Pressure modules plug directly into the front panel Lemo connector with the CL3001 firmware autodetecting the type and value of the module you are attaching Range Accuracy and Resolution Units Determined by the pressure module Determined by the pressure module PSl pounds per square inch in 2 49C inches of water at 4 degrees Celsius in H2O 20 C inches of water at 20 degrees Celsius in 2 60 F inches of water at 60 degrees Fahrenheit cm H20 49C centimeters of water at 4 degrees Celsius cm H20 20 C centimeters of water at 20 degrees Celsius mm H20 42C millimeters of water at 4 degrees Celsius mm H20 20 C millimeters of water at 20 degrees Celsius BAR bars mBAR millibars kPa kilopascals MPa megapascals in HG 02C inches of mercury at 0 degrees Ce
36. N 200 C 100 C 0 33 C 0 40 C 100 C 25 C 0 20 C 0 24 C 25 C 120 C 0 16 C 0 19 C 120 C 410 C 0 14 C 0 18 C 410 C 1300 C 0 21 C 0 27 C 1 Does not include thermocouple wire error 2 Absolute Uncertainty is inclusive of any cold juction compensation error which is not stated separately 91 Thermocouple Specification Output and Input continued Absolute Uncertainty tcal 5 C C Range C Output Input TC Type Minimum Maximum 90 days 1 year R 0 C 250 C 0 58 C 0 58 C 250 C 400 C 0 34 C 0 35 C 400 C 1000 C 0 31 C 0 33 C 1000 C 1750 C 0 30 C 0 40 C S 0 C 250 C 0 56 C 0 56 C 250 C 1000 C 0 36 C 0 36 C 1000 C 1400 C 0 30 C 0 37 C 1400 C 1750 C 0 35 C 0 46 C T 250 C 150 C 0 51 C 0 63 C 150 C 0 C 0 18 C 0 24 C 0 C 120 C 0 13 C 0 16 C 120 C 400 C 0 12 C 0 14 C U 200 C 0 C 0 56 C 0 56 C 0 C 600 C 0 27 C 0 27 C XK 200 C 100 C 0 22 C 0 22 C 100 C 300 C 0 12 C 0 13 C 300 C 800 C 0 19 C 0 20 C BP 0 C 200 C 0 42 C 0 42 C 200 C 600 C 0 32 C 0 32 C 600 C 800 C 0 39 C 0 40 C 800 C 1600 C 0 45 C 0 46 C 1600 C 2000 C 0 57 C 0 58 C 2000 C 2500 C 0 67 C 0 80 C 1 Does not include thermocouple wire error 92 12 9 RTD and Thermistor Specificat
37. OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any dam ages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESS OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITA TION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to 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 fort
38. The voltage compliance for a given output current is exceeded The CL3001 has a typical voltage compliance of 10V so that 4 20mA application loads of up to 500 ohms can be driven At maximum current of 100mA the maximum load is 100 ohms 4 3 Resistance Temperature Detector RTD and Ohms Measure The CL3001 can measure all common RTD types 5 custom RTD curves and a custom SPRT in F or C plus basic resistance from 0 to 4000 ohms The following common RTD types are supported Pt 385 1002 2002 5002 10009 Pt 3926 1002 Pt 3916 JIS 1002 Ni120 1200 Cu 427 109 YSI 400 Disconnect any test leads from external devices TC Press the key to select thermocouple and RTD 2 mode if not already selected If thermocouple mode is displayed press the key again to cycle to RTD Q mode If output mode is displayed select input mode by pressing the Ml anc Q keys TYPE Press the EIE key to select the desired RTD type the custom curve the SPRT or the desired ohms range The set up and use of custom RTD coefficients is described in section 4 5 The set up and use of SPRT coefficients is described in section 4 6 Connect the unit under test to the 4 wire RTD Q input terminals of the CL3001 as shown in figure 12 Unit Under Test UUT RTD Q Output VOLTS soma MAX OUTPUT LO 0 0 TC f INPUT OUTPUT E ro o Figure 12 RTD O Input Connection Press the and keys to toggle the RTD di
39. This command runs a series of self tests and returns a 0 for pass or a 1 for fail If any faults are detected they are logged into the fault queue where they can be read by the FAULT query Parameter None Response value where value is one of the following 0 failed self test 1 passed self test Example TST 1 This example runs the self test and indicates that it passed VAL X IEEE 488 x RS 232 Xx Sequential Overlapped This command returns the last values for the isolated and primary measurements in that order Parameter Response None lt iso value gt lt iso units gt lt primary value gt lt primary units gt where lt iso value gt is the present isolated measurement expressed in scientific notation and where lt iso units gt is one of the following 83 84 V DC volts A DC current OVER measurement is over or under range or one of the pressure units listed with the ISO PRES UNIT command and where lt primary value gt is the present primary measurement expressed in scientific notation and where lt primary units gt is one of the following FAR F CEL C OHM Ohms V DC volts thermocouple millivolts OVER measurement is over or under range NONE primary display is presently set to a source mode or one of the pressure units listed with the PRES_UNIT command Example VAL 2 13700
40. alization or a failed TST command 61 62 10 4 Remote Command Listing The following is an alphabetical list of all CL3001 remote commands and queries including the common commands and the device dependent commands Each command title includes a checkbox that indicates the remote interface applicability IEEE 488 and or RS 232 and the command group Sequential or Overlapped see section 9 6 1 for a description of these terms CLS Sequential Overlapped Clear Status command This command clears the ESR the error queue and the RQS bit in the status byte This command terminates any pending operation complete commands OPC or OPC Parameter None x lt IEEE 488 x RS 232 x Response lt None gt Example CLS This example clears the ESR the error queue and the RQS bit in the status byte ESE Overlapped Event Status Enable command This command loads a byte into the Event Status Enable ESE register See the Event Status Enable Register ESE description in section 9 7 Parameter lt value gt where lt value gt is the decimal equivalent of the ESE byte 0 to 255 Response lt None gt Example ESE 140 This example loads decimal 140 binary 10001100 to enable bits 7 PON 3 DDE and 2 QYE x lt IEEE 488 x 8 2 2 x Sequential x lt ESE Overlapped Event St
41. ample SRE 48 This example enables bits 4 MAV and 5 ESB x SRE Overlapped Service Request Enable query This command returns the byte in the Service Request Enable Register SRE See the Service Request Enable Register SRE description in section 9 7 Parameter lt None gt Response lt value gt where lt value gt is the decimal equivalent of the SRE byte 0 to 191 Example SRE 48 This example indicates that bits 4 MAV and 5 ESB are enabled IEEE 488 X RS 232 X Sequential x lt STB Overlapped Status Byte Register query This command returns the byte in the Status Byte Register See the Status Byte Register STB description in section 9 7 Parameter lt None gt Response lt value gt where lt value gt is the decimal equivalent of the STB byte 0 to 255 Example STB 96 This example indicates that bits 5 ESB and 6 IEEE 488 X RS 232 X Sequential MSS are set x lt STBY IEEE 488 X RS 232 Sequential x Overlapped This command places the CL3001 in standby mode deactivating the output at front panel terminals This command acts the same as pressing the front panel key when in operate mode 79 80 Parameter Response Example TC_MEAS Overlapped lt None gt lt None gt STBY This
42. ations Input Absolute Uncertainty tcal 5 C ppm of reading Q Stimulus Ranges 90 days 1 year Resolution Current 0 to 400 000 Q x20ppm 0 035 Q x20ppm 0 04 Q 0 001 Q 1mA 0 to 4 00000 kQ x20ppm 0 35 Q 20ppm 0 4 Q 0 01 Q 0 1 mA 90 12 8 Thermocouple Specification Output and Input Absolute Uncertainty teal 5 C C Range C Output Input TC Type Minimum Maximum 90 days 1 year B 600 C 800 C 0 42 C 0 46 C 800 C 1000 C 0 39 C 0 39 C 1000 C 1550 C 0 40 C 0 40 C 1550 C 1820 C 0 44 C 0 45 C C 0 C 150 C 0 25 C 0 30 C 150 C 650 C 0 21 C 0 26 C 650 C 1000 C 0 23 C 0 31 C 1000 C 1800 C 0 38 C 0 50 C 1800 C 2316 C 0 63 C 0 84 C E 250 C 100 C 0 38 C 0 50 C 100 C 25 C 0 16 C 0 18 C 25 C 350 C 0 14 C 0 15 C 350 C 650 C 0 14 C 0 16 C 650 C 1000 C 0 16 C 0 21 C J 210 C 100 C 0 20 C 0 27 C 100 C 30 C 0 18 C 0 20 C 30 C 150 C 0 14 C 0 16 C 150 C 760 C 0 14 C 0 17 C 760 C 1200 C 0 18 C 0 23 C K 200 C 100 C 0 25 C 0 33 C 100 C 25 C 0 19 C 0 22 C 25 C 120 C 0 14 C 0 16 C 120 C 1000 C 0 19 C 0 26 C 1000 C 1372 C 0 30 C 0 40 C L 200 C 100 C 0 37 C 0 37 C 100 C 800 C 0 26 C 0 26 C 800 C 900 C 0 17 C 0 17 C
43. atus Enable query This command returns the contents of the Event Status Enable ESE register See the Event Status Enable Register ESE description in section 9 7 Parameter lt None gt IEEE 488 X RS 232 X Sequential Response value where value is the decimal equivalent of the Example ESR Overlapped ESE byte 0 to 255 ESE 133 This example returns decimal 133 binary 10000101 which indicates that bits 7 PON 2 QYE 1 OPC are enabled x lt IEEE 488 x RS 232 X Sequential Event Status Register query This command returns the contents of the Event Status Register ESR and clears the register See the Event Status Register ESR description in section 9 7 Parameter Response Example FAULT Overlapped lt None gt lt value gt where lt value gt is the decimal equivalent of the ESR byte 0 to 255 ESR 61 This example returns decimal 61 binary 00111101 which indicates that bits 5 CME 4 EXE 3 DDE 2 QYE and 0 OPC are enabled x lt IEEE 488 x RS 232 x Sequential This command returns the most recent error code from the error queue If the queue is empty no errors have occurred it returns 0 The command is normally used to verify that the previous command did what it was intended to do Parameter Response E
44. ble An error has occurred and an error is available to be read from the error queue by using the FAULT query Figure 34 Serial Poll Status Byte STB and Service Request 2 Enable SRE Registers Service Request SRQ Line IEEE 488 Service Request SRQ is an IEEE 488 1 bus control line that the CL3001 asserts to notify the controller that it requires some type of service Many instruments can be on the bus but they all share a single SRQ line To determine which instrument set SRQ the Controller normally does a serial poll of each instrument The calibrator asserts SRQ whenever the RQS bit in its Serial Poll Status Byte is 1 This bit informs the controller that the CL3001 was the source of the SRQ The CL3001 clears SRQ and RQS whenever the controller host performs a serial poll sends CLS or whenever the MSS bit is cleared The MSS bit is cleared only when ESB and MAV are 0 or they are disabled by their associated enable bits in the SRE register being set to 0 Service Request Enable Register SRE The Service Request Enable Register SRE enables or masks the bits of the Serial Poll Status Byte The SRE is cleared at power up Refer to Figure 34 for the bit functions 53 54 4 Programming the STB and SRE By resetting to 0 the bits in the SRE you can mask disable associated bits in the serial poll status byte Bits set to 1 enable the associated bit in the serial poll status byte Event Status Register
45. cting the secondary RNG LOCK function by pressing the and keys 4 2 DC Current Output The CL3001 can source DC current from 0 mA to 100 mA a Disconnect any test leads from external devices b Press the EZ key to select DC voltage and current mode if not already selected If DC voltage mode is displayed press the key again to cycle to DC current mode c Connect the unit under test to the current output terminals of the CL3001 as shown in figure 11 Unit Under Test UUT 20 9 0 DC Current Input TC H INPUTIOUTPUT E 100V PK 9 o m I MAX 1 Hd z 2 Figure 11 DC Current Output Connection d Use the numeric keypad to enter the desired output value and ENTER press the key Alternatively use the gt or 4 cursor key to select a digit to modify followed by the or cursor key to ramp the digit up or down This method offers a simple solution when small changes to an output value are required or if specific decades need to be incremented or decremented e When DC current mode is first selected the CL3001 is placed in the standby Stby mode which puts the positive output jack into a high impedance state gt 100k ohm for safety To place STBY the output into the active state press the WZ key which toggles between the standby and operate modes The standby mode is also activated in the following situations No connection made to the output terminals
46. d Operations Complete command This command sets bit O OPC of the Event Status Register to 1 when all pending device operations are complete Also see the ESR command Parameter lt None gt Response lt None gt Example OPC This example sets bit 0 of the Event Status Register to 1 when all pending device operations are done OPC xj IEEE 488 x RS 232 Sequential Overlapped Operations Complete query This command returns a 1 after all pending CL3001 operations are complete This command does not respond until all pending CL3001 operations are complete causing the control program execution to pause until operations are complete Also see the WAI command Parameter None 69 70 Response 1 Example OPC 1 This example does not respond until all pending CL3001 operations are complete and then returns 1 OPER x IEEE 488 x RS 232 Sequential X Overlapped This command places the CL3001 in operate mode activating the output at front panel terminals This command acts the same as pressing the front panel key when in standby mode Parameter None Response None Example OPER This example connects the selected output to the CL3001 front panel terminals It also indicates Opr on the display x lt OPER Overlapped This command
47. e RTD TYPE Returns the Resistance Temperature Detector RTD type TC REF Selects the internal temperature sensor or an external reference value for cold junction compensation of thermocouple TC source and measurement TC REF Returns the source of the temperature being used for cold junction compensation of thermocouple TC source and measurement TC TYPE Sets the thermocouple TC type TC TYPE Returns the thermocouple TC type TSENS TYPE Sets temperature mode RTD or TC TSENS TYPE Returns the temperature mode 58 Output Commands Command Description OPER Activates the CL3001 output if it is in standby mode OPER Returns the operate standby mode setting OUT Sets the output of the CL3001 OUT Returns the present output value of the CL3001 RANGE Returns the present output range for voltage and current only RANGELCK Locks the present output range for voltage only RANGELCK Returns the RANGELOCK state for voltage only STBY Deactivates the CL3001 output if it is in operate mode Measurement Commands Command Description ISO MEAS Sets the isolated input measurement type PRES Queries the attached pressure module for its manufacturer and serial number PRES MEAS Changes the operating mode of the primary display to pressure measurement RTD MEAS Changes the operating mode to RTD measurement TC MEAS Changes the operating mode t
48. e it b Once the voltage selection has been made making sure that the power switch is off connect the AC power cord to the CL3001 see figure 5 in section 2 5 for the location c Turn on the CL3001 using the rear panel mounted rocker switch The CL3001 should power up within a few seconds briefly displaying the model number and firmware version in the primary display before reverting to the normal input output display NOTE If a proper power up display does not occur within 30 seconds turn the power off wait a few seconds and repower the unit If the problem persists report the problem to Omega immediately Warm up time is twice the time since last warmed up to a maximum of 30 minutes For good stability it is best to leave the CL3001 on all the time 4 Primary Inputs and Outputs 4 1 DC Voltage Output The CL3001 can source DC voltages from 0 V to 100 V using the following four ranges for maximum accuracy 1 V 1 V 10 V and 100 V a Disconnect any test leads from external devices b Press the key to select DC voltage and current mode if not already selected If DC current mode is displayed press the key again to cycle to DC voltage mode c Connect the unit under test to the voltage output terminals of the CL3001 as shown in figure 10 Unit Under Test UUT ANG DC Voltage Input S TC Q ey w i5 weurourur zi 100V PK MAX AW 27 INPUT A
49. e pressure module to the CL3001 as shown in figure 19 i j 3 m p 0 0002 ii l m exO O O fee EH EH EZ ES Adapter v 4 4 DO PUT MN A E oy cO d 4 9 Figure 19 Isolated Pressure Module Connection b Press the key The CL3001 automatically senses which pressure module is attached and sets its range accordingly C lf necessary press the key again to cycle through the pressure units until the desired one is displayed d Before attaching the module to the pressure source zero the module as described in the instruction sheet that came with the module Procedures vary but all end with pressing the Bill and Q keys e Attach the module to the pressure source according to the instruction sheet that came with the module taking care to follow all safety precautions when dealing with high pressures 6 Output Setpoints Nine preset output setpoints may be stored and recalled for each of the following output modes Voltage Current each thermocouple type including millivolts each RTD type including each of the five custom curves They may be recalled on an individual basis or as an automatic up and down cycle with a configurable dwell time between each setpoint The automatic cycle feature always starts at setpoint number 1 stepping up to a user specified ending setpoint number then back down in reverse order and then repeats 31 32
50. eing used for RTD temperature source and measurement Parameter lt None gt Response lt value gt where lt value gt is one of the following PT385_100 100 ohm RTD curve a 0 00385 ohms ohm C PT385_200 200 ohm RTD curve a 0 00385 ohms ohm C PT385 500 500 ohm RTD curve a 0 00385 ohms ohm C PT385 1000 1000 ohm RTD curve a 0 00385 ohms ohm C PT392_100 100 ohm RTD curve a 0 003926 ohms ohm C PTJIS_100 100 ohm RTD curve a 0 003916 ohms ohm C CU10 10 ohm RTD empirical curve NI120 120 ohm RTD empirical curve YSI 400 YSI thermistor curve OHMS HIGH 4000 ohms range OHMS LOW 400 ohms range SPRT standard PRT with user defined error coefficients only available for measurement USR_DEF lt x gt RTD with user defined custom coefficients where x is the curve number and ranges from 1 to 5 i e USR DEF2 for curve 2 Example RTD TYPE PTJIS 100 This example indicates that the RTD sensor type is a 100 ohm RTD with curve a 0 3916 ohm C SRE X IEEE 488 x RS 232 x Sequential Overlapped Service Request Enable command This command loads a byte into the Service Request Enable SRE register See the Service Request Enable Register SRE description in section 9 7 Since bit 6 is not used decimal value 64 the maximum entry is 255 64 191 Parameter lt value gt where lt value gt is the decimal equivalent of the SRE byte 0 to 191 Response lt None gt Ex
51. ervice xu be VER RIA RA eee 1 1 2 Standard Equipment oe ce ek bees pl vd eee RES 1 1 8 Options and Accessories liliis 1 1 4 Unpacking su us a RE AURA aE EEE BNE SURE HUE ae 1 1 5 Safety Information siiackeserit man iaaio ia ni a a 2 2 Calibrator Description 4222222222 hun 4 2 1 Front Panel OVOrIVIOW soto Rin CR SUR a doe ee 4 2 2 Primary Input Output Terminals cee 5 2 3 Primary Input Output Display and Controls 2000022 20s 6 2 4 Isolated Input Display Controls and Terminals llus 10 2 5 hear Panel sre E RE ape deus SA See Bee 11 2 6 Display Layouts iiv ode du ma Led e ac eene rede 12 2 7 Error Messages soieid RP eee deeded ERA RE 15 3 Getting Started 2222222222 2 16 4 Primary Inputs and Outputs 2 2222222222 22 22 16 4 1 DC Voltage Output sss su sares kg RR Rea ERR RR ERE Ree 16 4 2 DC Current Output 1 css auo RR REGUNTUR ee ee 18 4 8 Resistance Temperature Detector RTD and Ohms Measure 19 4 4 Resistance Temperature Detector RTD and Ohms Source 20 4 5 Resistance Temperature Detector RTD with Custom Coefficients 22 4 6 Standard Platinum Resistance Thermometer SPRT Coefficients 24 4 7 Thermocouple T C Measure lene 25 4 8 T
52. esent output value Parameter lt value gt where lt value gt is one of the following IEEE 488 x RS 232 X Sequential ON to lock the present voltage range OFF _ to unlock the present voltage range Response lt None gt Example RANGELCK ON If the present DC voltage output is 5 V this example locks the range at 10 VDC RANGELCK X IEEE 488 x RS 232 X Sequential Overlapped This command returns the DC voltage range lock status Parameter lt None gt Response lt value gt where lt value gt is one of the following ON DC voltage range lock is on OFF DC voltage range lock is off Example RANGELCK OFF This example indicates that the range lock is off REMOTE IEEE 488 RS 232 x Sequential Overlapped This command places the CL3001 into the remote state It duplicates the IEEE 488 REN Remote Enable message When the CL3001 is in the remote state but not locked out only the LOCAL key is active If the front panel is also locked out no front panel keys are active see the LOCKOUT command To unlock the front panel use the LOCAL command or cycle the CL8001 power switch Parameter None Response None Example REMOTE This example places the CL3001 into the remote state 75 76 x lt RST Sequential x Overlapped This command resets the CL3001 to
53. eter Response Example lt None gt value where value is ON or OFF HART OFF This example indicates that the isolated DC current input HART resistor is turned off HART_OFF Overlapped This command disables the isolated DC current input HART resistor Parameter lt None gt x lt IEEE 488 x RS 232 X Sequential Response lt None gt Example HART_OFF This example disables the isolated DC current input HART resistor HART_ON X IEEE 488 x RS 232 x Sequential Overlapped This command enables the isolated DC current input HART resistor Parameter lt None gt Response lt None gt Example HART_ON This example enables the isolated DC current input HART resistor IDN Overlapped This command returns the unit identification instrument manufacturer model number serial number and firmware revision level x lt IEEE 488 X RS 232 x Sequential Parameter lt None gt Response text string gt where lt text string gt contains the following four fields separated by commas 1 Manufacturer 2 Model number 3 Serial number always 0 4 Firmware revision level Example IDN OMEGA CL3001 0 1 2 This example indicates the manufacturer is Omega the model is CL3001 the serial number is 0 and the firmware version is 1 2
54. example disconnects the selected output from the CL3001 front panel terminals It also indicates Stby on the display x lt IEEE 488 X RS 232 X Sequential This command places the primary display in thermocouple measure mode Parameter Response Example TC REF Sequential X value where value is one of the following CEL display in degrees celsius FAR display in degrees fahrenheit None display in the last selected temperature unit None TC MEAS FAR This example sets the CL3001 to thermocouple measure mode displaying in degrees fahrenheit x lt IEEE 488 x RS 232 _ Overlapped This command selects the internal temperature sensor or an external reference value for cold junction compensation of thermocouple source and measurement Parameter Example external lt value gt where lt value gt is one of the following INT use internal temperature sensor EXT use external reference value Response lt None gt TC_REF EXT This example sets the thermocouple reference to TC_REF Overlapped This command returns the source of the temperature being used for cold junction compensation of thermocouple source and measurement x lt IEEE 488 X RS 232 x Sequential Parameter lt None gt Response lt val
55. h in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have the FOR NON WARRANTY REPAIRS consult following information available BEFORE OMEGA for current repair charges Have the contacting OMEGA following information available BEFORE 1 Purchase Order number under which contacting OMEGA the product was PURCHASED 1 Purchase Order number to cover the 2 Model and serial number of the product COST of the repair under warranty and 2 Model and serial number of the 3 Repair instructions and or specific product and problems relative to the product 3 Repair instructions and or specific problems relative to the product OMEGNA S policy is to make running changes not model changes whenever an improvement is possible This affords ou
56. he power switch on the right rear of the Calibrator See the rear panel layout in section 2 5 Table 10 shows the correct replacement fuse for each line voltage setting Table 10 Replacement Fuses Fuse Description Line Voltage Setting 0 25 A 250 V fast 120 V 90 V to 132 V 0 125 A 250 V fast 240 V 198 V to 264 V To check or replace a fuse 1 Disconnect the line power 2 Using the blade of a suitable flat screwdriver pry up the tab at the base of the line fuse compartment by inserting the blade in the center slot under the tab The compartment cover will pop part way out 86 3 Remove the compartment cover The fuses come out with the compartment cover and can easily be checked or replaced 4 To reinstall the fuse holder push the compartment cover back into the compartment until the tab locks in place 11 3 Changing the Line Voltage The calibrator arrives from the factory configured for the line voltage appropriate for the country of purchase or as specified when it is ordered To verify the line voltage setting check the line voltage indicator on the power line fuse compartment cover Confirm that the line voltage selection is set for 120 V for line voltages between 90 V and 132 V or that the selector is set to 240 V for line voltages between 198 V and 264 V IN Warning To avoid electrical shock hazard disconnect line power before opening the case or fuse compartment To change the line voltage 1
57. hermocouple TC Source 000 c cette 26 4 9 Pressure Meas re ids sae nen aed dente RE Ree me 28 5 Isolated InputS 4222222222 2222 222 29 5 1 Voltage Input sss eter RIRs ek ee VIS Eu EE ERES 29 5 2 Current Input s xd ooa eto PH rd Oot ab d egere AUR ras ga 30 5 9 Pressure Input scs semi ax fea Re aE RR EUR 30 6 Output Setpoints cece hh 31 7 Application Noles 2222222222 2222 2 22222 33 1 PII Transmitter 5 oir eo serie ee ee Fei tes 33 7 24 P Transmitter 2 sac peed ebb ed eee ed be deen te eb dees 34 7 3 VII Transmite sm Loo Pe p ERE eu e has elie aU Pp adu 34 LA RID Test iss su a tbe tats eats ROGER Rd ERE CR EUR ee eee 35 7 5 RID Transmitter i 22 od Patt abu asa uk ERR IE des 36 7 6 Thermoco ple Test 2 kak ipu Rb ba de tebe boned 36 7 7 Thermocouple Transmitter wc csset mra 37 7 8 RID Indicator aa esaeo Be eSATA AE TAS RR HA ERES 38 7 9 Precision Current Trip 10 c cette 38 7 10 Ill Isolator Transmitter te 39 7 11 Precision Temperature Measurement with IBP 2 Probe 40 8 LCD and Remote Interface Setup Procedures 41 9 Remote Interface cen 222 41 9 1 Introduction s reed e aoe Fangs x A
58. hind the finger guards on the probes Connect the common test lead before you connect the live test lead When you disconnect test leads disconnect the live test lead first Do not use the calibrator if it operates abnormally Protection may be impaired When in doubt have the calibrator serviced Do not operate the calibrator around explosive gas vapor or dust When using a pressure module make sure the process pressure line is shut off and depressurized before you connect it or disconnect it from the pressure module Disconnect test leads before changing to another measure or source function Have the calibrator serviced only by qualified personnel and use only specified replacement parts Use only the replacement fuse s specified in this manual To avoid a violent release of pressure in a pressurized system shut off the valve and slowly bleed off the pressure before you attach the pressure module to the pressure line IN Caution To avoid possible damage to the calibrator or to the equipment under test Use the proper terminals function and range for your measurement or sourcing application To avoid mechanically damaging the pressure module never apply more than 10 ft Ib of torque between the pressure module fittings or between the fittings and the body of the module To avoid damaging the pressure module from overpressure never apply pressure above the rated maximum printed on the mod
59. ifies conditions and actions that may pose hazards to the user Caution identifies conditions and actions that may damage the instrument being used Use the calibrator only as specified in this manual otherwise personal injury and or damage to the calibrator may occur AN Warning To avoid possible electric shock or personal injury Do not apply more than the rated voltage between the terminals or between any terminal and chassis ground See specifications for supported ranges Follow all equipment safety procedures Always use the power cord and connector suitable for the voltage and outlet of the location in which you are working Do not use the calibrator if it is damaged Before you use the calibrator inspect the case Look for cracks or missing plastic Pay particular attention to the insulation surrounding the connectors Inspect the test leads for damaged insulation or exposed metal Check test lead continuity Replace damaged test leads before you use the calibrator Never operate the calibrator with the cover removed or the case open and never remove the cover or open the case without first disconnecting the power source and all test leads Select the proper function and range for your measurement Never touch the probe to a voltage source when the test leads are plugged into the current terminals When using the probes keep your fingers away from the probe contacts Keep your fingers be
60. in inches of water at 60 F cmH204C Pressure in centimeters of water at 4 C cmH2020C Pressure in centimeters of water at 20 C mmH204C Pressure in millimeters of water at 4 C mmH2020C Pressure in millimeters of water at 20 C bar Pressure in bar mbar Pressure in millibar kPa Pressure in kilopascals MPa Pressure in megapascals kg cm2 Pressure in kilograms per square centimeter 1 Parameter only 49 b General Rules The general rules for parameter usage are as follows Numeric parameters may have up 15 significant digits and their value can be in the range 1 0E 20 Including too many or too few parameters causes a command error Null parameters cause an error e g the adjacent commas in OUT 1V OPER e Expressions for example 4 2 13 are not allowed as parameters Extra Space or Tab Characters In the command descriptions parameters are shown separated by spaces One space after a command is required unless no parameters are required All other spaces are optional Spaces are inserted for clarity in the manual and may be left in or omitted as desired You can insert extra spaces or tabs between parameters as desired Extra spaces within a parameter are generally not allowed except between a number and its associated multiplier or unit Terminators Table 8 summarizes the terminator characters for both the IEEE 488 and the RS 232 remote interfaces Table 8 Terminator Characters
61. ion Output Absolute Uncertainty teal 5 C C Range C Output Input RTD Type Minimum Maximum 90 days 1 year Pt 385 100 Q 200 C 80 C 0 03 C 0 04 C 80 C 0 C 0 04 C 0 05 C 0 C 100 C 0 04 C 0 05 C 100 C 300 C 0 03 C 0 04 C 300 C 400 C 0 04 C 0 04 C 400 C 630 C 0 04 C 0 05 C 630 C 800 C 0 04 C 0 05 C Pt 3926 100 Q 200 C 80 C 0 03 C 0 04 C 80 C 0 C 0 03 C 0 04 C 0 C 100 C 0 03 C 0 04 C 100 C 300 C 0 03 C 0 04 C 300 C 400 C 0 03 C 0 04 C 400 C 630 C 0 04 C 0 05 C Pt 3916 100 Q 200 C 190 C 0 03 C 0 03 C 190 C 80 C 0 03 C 0 04 C 80 C 0 C 0 03 C 0 04 C 0 C 100 C 0 03 C 0 04 C 100 C 260 C 0 03 C 0 04 C 260 C 300 C 0 03 C 0 04 C 300 C 400 C 0 03 C 0 04 C 400 C 600 C 0 04 C 0 05 C 600 C 630 C 0 04 C 0 05 C Pt 385 200 Q 200 C 80 C 0 31 C 0 38 C 80 C 0 C 0 32 C 0 38 C 0 C 100 C 0 33 C 0 39 C 100 C 260 C 0 33 C 0 39 C 260 C 300 C 0 36 C 0 43 C 300 C 400 C 0 36 C 0 43 C 400 C 600 C 0 42 C 0 50 C 600 C 630 C 0 42 C 0 50 C Pt 385 500 Q 200 C 80 C 0 13 C 0 15 C 80 C 0 C 0 13 C 0 15 C 0 C 100 C 0 13 C 0 16 C 100 C 260 C 0 14 C 0 17 C 260 C 300 C 0 14 C 0 17 C 300 C 400 C 0 15 C 0 18 C 400 C 600 C 0 16 C 0 19 C 600
62. ions For DC current mode the resistance of the circuit exceeds the CL3001 specifications OL For input modes the measured value exceeds the upper limit of the selected input mode range For output modes when the range is locked the present automat ically recalled preset setpoint exceeds the upper limit of the locked range The output is set to zero for the duration of this setpoint OL For input modes the measured value exceeds the lower limit of the selected input mode range 15 3 Getting Started After unpacking the CL3001 and becoming familiar with the layout and general operation of the unit as described in the previous section it is ready to set up for operation The following steps should be followed to set up the CL3001 for operation a Before attaching the power cord to the rear connector check that the line voltage selector is set appropriately for your location The CL3001 is shipped from the factory with the line voltage set for the country of purchase To verify the line voltage setting check the indicator on the power line voltage selector and fuse compartment cover see figure 5 in section 2 5 for the location Confirm that the setting is correct according to the following guidelines Line Voltage 50 60Hz Selector Position 90 to 135 VAC 120 VAC position 220 to 250 VAC 240 VAC position If the setting is not correct follow the instructions in section 11 3 to chang
63. lected If the DC current mode is not displayed press the key again to cycle to it Connect the unit under test to the isolated voltage current input terminals of the CL3001 as shown in figure 18 50mA RANGE 0 0001 mA Unit Under Test UUT DC Current Output Figure 18 Isolated DC Current Input Connection If the UUT is a 2 wire loop powered transmitter that is disconnected from the wiring press the bas key to activate the CL3001 internal 24V supply in series with the current measuring circuit The top line changes to 24mA LPWR to indicate that the supply is activated Press the key again to deactivate the supply and the top line reverts to 50mA RANGE If a 250 ohm resistor is required during a HART calibration procedure press the er key to switch in the CL3001 internal 250 ohm resistor The word HART is appended to the top line of the display to indicate that the resistor is switched in Press the key again to switch out the resistor and the display reverts to its previous state This resistor lowers the maximum load driving capability from 1000 ohms at 20 mA to 750 ohms at 20 mA 5 3 Pressure Input The isolated pressure display uses the same physical pressure connector as the primary display It is possible to have both displays selected to pressure simultaneously showing the same source in different pressure units See section 4 9 for a general discussion on pressure module selection 30 a Connect th
64. lowing the summary table is a complete alphabetical listing of all commands complete with protocol details Separate headings in the alphabetical listing provide the parameters and responses plus an example for each command For information on using the commands see section 9 10 2 Command Summary by Function Common Commands Command Description CLS Clear status Clears the ESR the error queue and the RQS bit in the status byte This command terminates any pending operation complete commands OPC or OPC ESE Loads a byte into the Event Status Enable register ESE Returns the contents of the Event Status Enable register ESR Returns the contents of the Event Status register and clears the register IDN Identification query Returns the manufacturer model number serial number and firmware revision level of the Calibrator OPC Sets bit 0 OPC for Operation Complete in the Event Status Register to 1 when all pending device operations are complete OPC Returns a 1 after all pending operations are complete This command causes program execution to pause until all operations are complete See also the WAI command OPT Returns a list of the installed hardware and software options RST Resets the state of the instrument to the power up state This command holds off execution of subsequent commands until it is complete SRE Loads a byte into the Service Request Enable regi
65. lsius mm HG 02C millimeters of mercury at 0 degrees Celsius Kg cm2 kilograms per square centimeter 97 WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase OMEGA s Warranty adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing oper ation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear are not warranted including but not limited to contact points fuses and triacs
66. mmand error The IEEE 488 interface of the CL3001 encountered an incorrectly formed command and placed an error code in the error queue The command FAULT can be used to fetch error codes from the error queue which is described in more detail below EXE Execution error An error occurred when the CL3001 tried to execute the last command and an error code was placed into the error queue This could be caused for example by a parameter being out of range The com mand FAULT can be used to fetch error codes from the error queue which is described in more detail below DDE Device dependent error An error related to a device dependent command has occurred QYE Query error The CL3001 was addressed to talk when no response data was available or appropriate or when the controller failed to retrieve data from the output queue OPC Operation complete All commands previous to reception of a OPC command have been executed and the inter face is ready to accept another message Figure 35 Event Status Register ESR and Event Status Enable 8 ESE Registers Programming the ESR and ESE To read the contents of the ESR send the remote command ESR The ESR is cleared set to 0 every time it is read To read the contents of the ESE send the remote command ESE The ESE is not cleared when it is read When you read either register the CL3001 responds by sending a decimal number that when converted to binary represents bit
67. nt panel including the LOCAL key To clear the lockout condition use the LOCAL command This command duplicates the IEEE 488 LLO Local Lockout message Parameter lt None gt Response lt None gt Example LOCKOUT This example puts the instrument into the lockout state No front panel controls can be used LOOP_POWER X IEEE 488 x 9 2 2 x Sequential Overlapped This command returns the isolated DC current input 24V loop power status Parameter lt None gt Response lt value gt where lt value gt is ON or OFF Example LOOP_POWER OFF This example indicates that the isolated DC current input 24V loop power is turned off LOOP_POWER_OFF X IEEE 488 x 9 2 2 x Sequential Overlapped This command disables the isolated DC current input 24V loop power Parameter lt None gt Response lt None gt Example LOOP_POWER_OFF This example disables the isolated DC current input 24V loop power LOOP_POWER_ON X IEEE 488 x RS 232 x Sequential Overlapped This command enables the isolated DC current input 24V loop power Parameter lt None gt Response lt None gt Example LOOP_POWER_ON This example enables the isolated DC current input 24V loop power OPC X IEEE 488 x RS 232 X Sequential Overlappe
68. o decrement the digit in the output value where the cursor is positioned The Q and e keys are also used to adjust LCD Contrast level LCD Backlight level and Remote Interface Configuration selections as described in section 8 2 4 Isolated Input Display Controls and Terminals Figure 4 describes the isolated input display controls and terminals in detail Figure 4 Isolated Input Display Controls and Terminals Item Name Description Display A 2 line 16 character display providing all visual user feedback for the isolated input operations See section 2 6 for layout details and section 2 7 for possible error messages Function keys Select DC voltage and current input mode Subsequent presses of this key cycle through the ranges 10V 100V and 50mA Loop PWR When using 50mA mode to test a 2 wire loop powered transmitter that is disconnected from its wiring press this key to activate an internal 24V power supply in series with the current measuring circuit Press the key again to deactivate the 24V supply 10 When using 50mA mode to test a HART configuration device press this key to activate an internal 250 ohm resistor in series Press the key again to deactivate the resistor Note that activating this resistor drops the maximum load driving capability from 1000 ohms at 20mA to 750 ohms at 20mA Select Pressure input mode Subsequent p
69. o thermocouple measurement VAL Returns the last values for the isolated and primary measurements in that order ZERO MEAS Zeros the pressure module TC mV or RTD ohms ZERO MEAS Returns the zero offset for the pressure module TC mV or RTD ohms RS 232 Operating Mode Commands Command Description LOCAL Puts the CL3001 into the local state and disables lockout LOCKOUT Puts the CL3001 into the lockout state This command duplicates the IEEE 488 LLO Local Lockout message REMOTE Puts the CL3001 into the remote state This command duplicates the IEEE 488 REN Remote Enable message 59 Status Commands Command Description FAULT Returns the most recent error code in the CL3001 error queue and then removes that error code from the queue 10 3 Error Code Listing Error Number Message Class Description 1 DDE Error queue overflow 100 EXE OPER or STBY was received when the CL3001 is in measure mode or thermocouple source mode 101 CME A non numeric entry was received in a field that should contain a numeric entry 102 EXE The numeric field exceeds 10 characters 103 CME Invalid units name or prefix 104 EXE An attempt to enter RTD source mode was made when SPRT is selected or to select SPRT when RTD source mode is selected 105 EXE Entry is above upper limit for the selected out put range 106 EXE Entry is below lower limit fo
70. o wait until the overlapped 47 command has completed execution before executing the next command For example OUT 1 V WAI You can also use the status commands OPC and OPC to detect the completion of overlapped commands Sequential Commands Commands that execute immediately are called sequential commands The detailed command descriptions in section 10 show a check mark T beside Sequential for sequential commands The majority of commands are sequential Commands for RS 232 Only Several commands are used only for RS 232 serial operation because these functions must be implemented as IEEE uniline single control line bus management messages per the IEEE Standards For example the command REMOTE could be sent as data over the IEEE 488 interface to place the CL3001 into remote operating mode but it is not because the IEEE Standards call for the remote function to be sent to the device as the uniline message REN This is also true for several other commands and functions as shown in table 6 below with their RS 232 equivalents For these commands the detailed command descriptions in section 10 show a check mark X beside RS 232 but no check mark beside IEEE 488 Table 6 Commands for RS 232 Only IEEE 488 Message RS 232 Equivalent GTL LOCAL command GTR REMOTE command LLO LOCKOUT command 48 Commands for IEEE 488 These are all of the commands except for those used f
71. ommon thermocouple types in F or C plus basic millivolts from 10 0 to 75 0 mV The following common thermocouple types are supported B C E J K L N R S T U XK BP 26 Disconnect any test leads from external devices TC Press the key to select thermocouple and RTD Q mode if not already selected If RTD Q mode is displayed press the key again to cycle to thermocouple mode If input mode is displayed select output mode by pressing the and keys TYPE Press the MEMES key to select the desired thermocouple type or the millivolt range Connect the unit under test to the thermocouple terminals of the CL3001 using a standard T C miniplug as shown in figure 15 One pin is wider than the other do not attempt to force the plug in the wrong polarization The T C wire used for the connection must match the thermocouple type selected for proper cold junction compensation If the CL3001 and the T C miniplug are at different temperatures wait at least 3 minutes for the miniplug and terminals to stabilize to the same temperature ma RTO Q VOLTS topma MAX OUTPUT A 0 6 6 6 6 Unit Under Test UUT f Figure 15 Thermocouple Output Connection SHIFT Press the and Q keys to toggle the thermocouple display between F and C Press the and o keys to toggle the cold junction compensation between the internal temperature sensor and an external reference Use the numeric keypad to
72. on the isolated display as described in section 5 2 Select the isolated loop power option Connect the transmitter as shown in figure 22 Test and calibrate the transmitter per the manufacturer s instructions RTD Test voLrs mA RTD n A 100mA MAX OUTPUT OUTPUT A I Temperature a sevnoeur Chamber x o i i g gt D Figure 23 RTD Test Application Disconnect any test leads from external devices Select RTD input on the primary display as described in section 4 3 Select the RTD type which corresponds to the RTD being tested Connect the RTD as shown in figure 23 Test the RTD per the manufacturer s instructions 35 7 5 36 RTD Transmitter EER HART HE Communicator Figure 24 RTD Transmitter Application Disconnect any test leads from external devices Select RTD output on the primary display as described in section 4 4 Select the RTD type which corresponds to the transmitter being tested Select current input on the isolated display as described in section 5 2 Select the isolated loop power option If a HART communicator is to be used for set up of the transmitter select the HART option Connect the transmitter as shown in figure 24 Test and calibrate the transmitter per the manufacturer s instructions Thermocouple Test Temperature Chamber D Thermocouple Figure 25 Thermocouple Test Application 7 7 A tooma MAX
73. ontrolled by an automated PC program using the CL3001 command set You can write your own automated PC program or it may be possible to purchase a suitable third party program and configure it for the CL3001 Compatible software for IEEE 488 operation may be purchased from third parties The RS 232 connection allows one CL3001 to be connected to one PC The communications speed is slower than IEEE 488 but no extra equipment is required other than a low cost null modem cable 41 42 The IEEE 488 connection allows up to 15 different calibrators PC s and items of test equipment to be connected together in a bus arrangement The communications speed is much faster than RS 232 but it requires the purchase and installation of special PC interface card s and connecting cable s This section describes the set up of the two types of connections and the general operation of the command set Section 10 describes the individual commands in detail 9 2 Setting up the RS 232 Port for Remote Control The CL3001 is fully programmable over a standard RS 232 link with a PC The RS 232 cable length for the port should not exceed 15 meters 50 feet although longer cable lengths are permitted if the load capacitance measured at a connection point including signal terminator does not exceed 2500 pF The serial communications parameters in the CL3001 are fixed at the following values 9600 baud 8 data bits 1 stop bit no parity
74. or RS 232 only as described above All commands are transferred over the IEEE 488 as data except for the commands LOCAL REMOTE and LOCKOUT which are implemented per the IEEE Standards as uniline messages The detailed command descriptions in section 10 show a check mark T beside IEEE 488 for these commands 9 6 2 Command Syntax The following syntax rules apply to all of the remote commands Information about the syntax of response messages is also given a Parameter Syntax Rules Table 7 lists the units accepted in command parameters and used in responses All commands and units may be entered in upper or lower case Table 7 Units Accepted in Parameters and Used in Responses Units Meaning uV Volts in units of microvolts1 mV Volts in units of millivolts1 V Volts in units of volts kV Volts in units of kilovolts1 uA Current in units of microamperes1 mA Current in units of milliamps1 A Current in units of amps Ohm Resistance in units of ohms kOhm Resistance in units of kilohms1 MOhm Resistance in units of megohms1 cel Temperature in degrees Celsius far Temperature in degrees Fahrenheit psi Pressure in pounds per square inch mmHg Pressure in millimeters of mercury at 0 C inHg Pressure in inches of mercury at 0 C inH204C Pressure in inches of water at 4 C inH2020C Pressure in inches of water at 20 C inH2O60F Pressure
75. ouple E type thermocouple J type thermocouple K type thermocouple L type thermocouple N type thermocouple R type thermocouple S type thermocouple T type thermocouple U type thermocouple XK type thermocouple BP type thermocouple 1 mV C NOXCHAMNDDZA HACMOD UA Example TC TYPE K This example indicates that the thermocouple sensor type is K type TSENS TYPE Overlapped This command sets the temperature mode to thermocouple TC or Resistance Temperature Detector RTD for temperature source and measurement x lt IEEE 488 x RS 232 Sequential x lt Parameters lt value gt where lt value gt is one of the following TC Thermocouple RTD Resistance Temperature Detector Response lt None gt Example TSENS_TYPE RTD This example sets the temperature mode to RTD TSENS_TYPE Overlapped x lt IEEE 488 X RS 232 x Sequential This command returns the present temperature mode thermocouple TC or Resistance Temperature Detector RTD Parameter Response Example TST Overlapped lt None gt lt value gt where lt value gt is one of the following TC Thermocouple RTD Resistance Temperature Detector TSENS_TYPE TC This example indicates that the present temperature mode is thermocouple IEEE 488 X RS 232 X Sequential
76. ponds to the indicator being tested 3 Connect the indicator as shown in figure 27 4 Test and calibrate the indicator per the manufacturer s instructions 7 9 Precision Current Trip 5V Bench Power Supply Figure 28 Precision Current Trip Application Disconnect any test leads from external devices Select current output on the primary display as described in section 4 2 N a 38 3 Select voltage input on the isolated display as described in section 5 1 Connect the trip as shown in figure 28 5 Test and calibrate the trip per the manufacturer s instructions 710 I Isolator Transmitter 24mA LPWR 12 0000 mA Ed a E23 E3 Figure 29 I I Isolator Transmitter Application Disconnect any test leads from external devices 2 Select current output on the primary display as described in section 4 2 3 Select current input on the isolated display as described in section 5 2 Select the isolated loop power option Connect the transmitter as shown in figure 29 5 Test and calibrate the transmitter per the manufacturer s instructions 39 40 7 11 Precision Temperature Measurement with 4 Wire RTD Probe Figure 30 Precision Temperature Measurement with 4 Wire RTD Probe 1 With the RTD probe and the corresponding custom coefficients the total system error is 0 03 C 2 Disconnect any test leads from external devices 3 Select RTD input on the
77. primary display as described in section 4 3 Select the user defined curve containing the custom coefficients for the Probe If custom coefficients have not yet been entered for the Probe follow the instructions in section 4 5 to do so 4 Connectthe probe as shown in figure 30 8 LCD and Remote Interface Setup Procedures These procedures are accessed in sequence as follows a Press the and keys to select the SETUP function b At the LCD CONTRAST prompt press the or key to adjust the LCD contrast level When complete press the Balls key c At the LCD BACKLIGHT prompt press the S or key to adjust the LCD backlight level When complete press the Bill key d At the Remote Interface prompt press the o Okey to select the RS 232 interface or the GPIB interface When the desired interface is selected press the key If the GPIB interface was selected the GPIB Address prompt appears Press the 9 key to ramp through the possible addresses 0 to 30 When the desired address is displayed press the key 9 Remote Interface 9 1 Introduction The CL3001 can be controlled remotely from a personal computer PC using either a RS 232 serial connection or an IEEE 488 parallel connection also called a General Purpose Interface Bus or GPIB connection In either case individual commands can be typed into a terminal emulator program suitable for the connection type or the calibrator can be c
78. r customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 2004 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without the prior written consent of OMEGA ENGINEERING INC Where Do I Find Everything I Need for Process Measurement and Control OMEGA Of Course Shop online at www omega com TEMPERATURE V Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies V Wire Thermocouple RTD amp Thermistor v Calibrators amp Ice Point References Y Recorders Controllers amp Process Monitors V Infrared Pyrometers PRESSURE STRAIN AND FORCE V Transducers amp Strain Gages V Load Cells amp Pressure Gages V Displacement Transducers V Instrumentation amp Accessories FLOW LEVEL V Rotameters Gas Mass Flowmeters amp Flow Computers V Air Velocity Indicators Y Turbine Paddlewheel Systems Totalizers amp Batch Controllers pH CONDUCTIVITY V pH Electrodes Testers amp Accessories V Benchtop Laboratory Meters Controllers Calibrators Simulators amp Pumps V Industrial pH amp Conductivity Equipment DATA ACQUISITION V Data Acquisition amp Engineering Software Communications Based Acquisition Systems V Plug in Cards for Apple IBM amp Compatibles V Datalogging S
79. r the selected out put range 108 CME A required command parameter was missing 109 CME An invalid TC_MEAS or RTD_MEAS unit parameter not CEL or FAR was received or an invalid PRES_UNIT or ISO_PRES_UNIT parameter was received 110 CME An invalid RANGELCK parameter was received 111 EXE RANGELCK ON was received when the CL3001 is not in Volts mode 112 CME An invalid RTD_TYPE parameter was received 113 CME An invalid TC_REF parameter was received 114 CME An invalid TSENS_TYPE parameter was received 60 116 EXE No pressure module was present when a pressure function was requested or the total zero offset from calibration is more than 6 This error can also occur if the total zero off set from calibration is out of limits when zero ing the thermocouple millivolts type maxi mum offset 1 mV or the RTD ohms type maximum 0 1 ohm on high range or 0 01 ohm on the low range 117 CME An unrecognizable command was received 118 CME An invalid parameter was received 120 EXE The serial input buffer overflowed 121 EXE The command string buffer overflowed 122 QYE The serial output buffer overflowed 123 DDE The output overloaded See display error message OVER LOAD in section 2 7 124 DDE The CL3001 is out of tolerance This error is set after a failed initialization or a failed TST command 125 DDE The CL3001 ADC has failed This error is set after a failed initi
80. rameter Response Example unit is bars where lt value gt is one of the following lt None gt lt value gt PSI INH204C INH2020C INH2O60F CMH204C C CMH2020C C MMH204C C MMH2020C C BAR MBAR KPA MPA INHG MMHG 0 C KG CM2 centimeter ISO_PRES_UNIT BAR pounds per square inch inches of water at 4 C inches of water at 20 C inches of water at 60 F centimeters of water at 4 centimeters of water at 20 millimeters of water at 4 millimeters of water at 20 bars millibars kilopascals megapascals inches of mercury at 0 C millimeters of mercury at kilograms per square This example indicates that the isolated pressure 67 68 LOCAL IEEE 488 X 9 2 2 X Sequential Overlapped This command puts the CL3001 into the local state clearing the remote state see the REMOTE command and the front panel lockout state see the LOCKOUT command It duplicates setting the IEEE 488 REN line to false Parameter lt None gt Response lt None gt Example LOCAL This example puts the instrument into the local state clearing the remote state and front panel lockout state if enabled LOCKOUT IEEE 488 x RS 232 x Sequential Overlapped This command puts the CL3001 into the lockout state when in remote control see the REMOTE command In this state no local operation is allowed at the fro
81. resses of this key cycle through the pressure units Pressure input mode uses the pressure module connector on the primary input output side Both sides may be selected to pressure mode simultaneously and can be set to display the same pressure measurement in different units if desired 3 Input Terminals Common input terminals for DC voltage and current See notes 1 and 2 below Note 1 These terminal binding posts are made of a special copper alloy to reduce thermal EMF s They support the use of either discreet wires or standard banana plugs and the HI LO pairs are spaced for standard dual banana plugs Note 2 Caution Do not exceed a maximum of 100 volts to chassis ground 2 5 Rear Panel Figure 5 describes the rear panel layout Figure 5 Rear Panel 11 Item Description RS 232 9 pin connector for remote control of the CL3001 via any computer s serial interface 2 GPIB IEEE 488 2 connector for remote control of the CL3001 via a GPIB bus 3 Service port for updating the CL3001 firmware 4 Chassis ground terminal internally connected to the ground prong of the AC power inlet AN Warning To avoid shock hazard connect the factory supplied 3 conductor power cord to a properly grounded power outlet Do not use a 2 conductor adapter or extension cord as this will break the protective ground Use the chassis ground terminal for a protective ground wire if
82. rminate the cycle 7 Application Notes 7 1 P I Transmitter 24 mA LPWR 4 0003 mA Ee HEB HART H Communicator Pressure Module amp Adapter Hand Pump or Vent to Precision Regulated Supply Pressure Atmosphere Figure 20 P I Transmitter Application Disconnect any test leads from external devices 2 Select pressure input on the primary display as described in section 4 9 3 Select current input on the isolated display as described in section 5 2 Select the isolated loop power option If a HART communicator is to be used for set up of the transmitter select the HART option Connect the transmitter as shown in figure 20 5 Test and calibrate the transmitter per the manufacturer s instructions 33 7 2 I P Transmitter Supply Pressure Figure 21 I P Transmitter Application Disconnect any test leads from external devices 2 Select current output on the primary display as described in section 4 2 3 Select pressure input on the isolated display as described in section 5 3 4 Connect the transmitter as shown in figure 21 5 Test and calibrate the transmitter per the manufacturer s instructions 7 3 V I Transmitter 24mA LPWR 12 0000 mA Figure 22 1 Transmitter Application 34 7 4 Disconnect any test leads from external devices Select voltage output on the primary display as described in section 4 1 Select current input
83. ropriate In order to know what type of data to read in refer to the beginning of the response description for the command 9 7 Checking CL3001 Status Figure 33 shows the status registers enable registers and queues in the CL3001 which indicate various conditions in the instrument Some registers and queues are defined by the IEEE 488 2 standard while the rest are specific to the CL3001 In addition to the status registers the Service Request SRQ control line and a 16 element buffer called the Error Queue provide also status information 51 Event Status Register Read using ESR Logcal OR Write using ESE Event Status 5 L Enable o Read using ESE ie Error Queue Read using ERR Read by Serial Poll Status Byte Register Service Request 725 422401 Enatie Register Read using SRE Write using SRE Figure 33 Status Register Overview Table 9 lists the status registers and gives the read write commands and associated mask registers used to access them Table 9 Status Register Summary Status Register Read Command Write Command Serial Poll Status Byte STB STB Service Request Enable Register SRE SRE SRE Event Status Register ESR ESR Event Status Enable Register ESE ESE ESE Each status register and queue has a summary bit in the Serial Poll Status Byte Enable registers are used to mask various bits in the statu
84. s 0 through 15 Output Queue The output queue is loaded whenever a query is processed and holds up to 250 characters The controller reads it with a statement such as a BASIC INPUT statement removing what it reads from the queue If the queue is empty the CL3001 does not respond to the INPUT statement from the controller The Message Available MAV bit in the Serial Poll Status Byte is 1 if 55 there is something in the output queue and 0 if the output queue is empty Error Queue When a command error execution error or device dependent error occurs its error code is placed in the error queue where it can be read by the FAULT command Reading the first error with the FAULT command removes that error from the queue A response of 0 means the error queue is empty The error queue is cleared when you turn off the power and when you use the CLS Clear Status common command The error queue contains up to 15 entries If more than 15 errors occur only the first 15 errors are kept in the queue A 16th entry in the queue is always an error queue overflow error and all later errors are discarded until the queue is at least partially read The first errors are kept because if many errors occur before the user can acknowledge and read them the earliest errors are the most likely to point to the problem The later errors are usually repetitions or consequences of the original problem Input Buffer Operation As the CL3001 receives
85. s bytes on the bus are all directed by interface messages Some of the interface messages occur as state transitions of dedicated control lines The rest of the interface messages are sent over the data lines with the ATN signal true All device dependent and common commands are sent over the data lines with the ATN signal false An important thing to note about interface messages is that unlike device dependent and common commands interface messages are not sent literally in a direct way They are converted to parallel signal levels on the bus data and control lines IEEE 488 standards define interface messages which are handled automatically in most cases Compound Commands A compound command is two or more commands placed on a single command line separated from each other with semicolons For example consider the following two individual commands OUT 1 V OPER These could be combined into the compound command OUT 1 V OPER These commands instruct the CL3001 to source 1 V DC and then go into operate mode Overlapped Commands Commands that begin execution but require slightly more time than the normal communication command response interval to complete are called overlapped commands This is because they can be overlapped by receipt the next command before they have been completed The detailed command descriptions in section 10 show a check mark T beside Overlapped for overlapped commands Use the command WAI t
86. s registers and to generate summary bits in the Serial Poll Status Byte For IEEE 488 interface operation the Service Request Enable Register is used to assert the SRQ control line on detection of any status condition or conditions that the programmer chooses For RS 232 interface operation the SRQSTR string is sent over the serial interface when the SRQ line is set 1 Serial Poll Status Byte STB 52 The Calibrator sends the serial poll status byte STB when it responds to a serial poll This byte is cleared set to 0 when the power is turned on The STB byte structure is shown in Figure 34 Refer to the STB command in section 10 for more information on reading this register 6 5 4 3 2 1 0 RQS ESB MAV EAV 0 0 0 MSS RQS Requesting service The RQS bit is set to 1 whenever bits ESB MAV EAV or ISCB change from 0 to 1 and are enabled 1 in the SRE When RQS is 1 the CL3001 asserts the SRQ control line on the IEEE 488 interface You can do a serial poll to read this bit to see if the CL3001 is the source of an SRQ MSS Master summary status Set to 1 whenever bits ESB MAV EAV or ISCB are 1 and enabled 1 in the SRE This bit can be read using the STB Remote command in place of doing a serial poll ESB Set to 1 when one or more ESR bits are 1 MAV Message available The MAV bit is set to 1 whenever data is available in the CL3001 s IEEE 488 interface output buffer EAV Error availa
87. s shown in figure 14 One pin is wider than the other do not attempt to force the plug in the wrong polarization The T C wire used for the connection must match the thermocouple type selected for proper cold junction compensation If the CL3001 and the T C miniplug are 25 at different temperatures wait at least 3 minutes for the miniplug and terminals to stabilize to the same temperature VOLTS qose MAX OUTPUT Unit Under Test UUT 0 A i I TC Figure 14 Thermocouple Input Connection f Press the and Q keys to toggle the thermocouple display between F and C g Press the and Q keys to toggle the cold junction compensation between the internal temperature sensor and an external reference h For best accuracy it is advisable to zero the T C millivolt circuit daily or if the CL3001 is being used outside of the ambient temperature range of 18 to 28 C The maximum offset from unit calibration that can be zeroed out is 1 mV To zero the T C millivolt circuit e Select the thermocouple measure function as described TYPE above and press the key until the millivolt range is selected Insert the supplied thermocouple shorting jumper into the thermocouple terminals Allow at least 3 minutes for the jumper and terminals to stabilize to the same temperature Press the and e keys to zero the T C millivolt circuit y 4 8 Thermocouple TC Source The CL3001 can source all c
88. sed only for RS 232 serial operation because these functions must be implemented as IEEE uniline single control line bus management messages per the IEEE Standards For example the command REMOTE could be sent as data over the IEEE 488 interface to place the CL3001 into remote operating mode but it is not because the IEEE Standards call for the remote function to be sent to the device as the uniline message REN This is also true for several other commands and functions as shown in table 5 below with their RS 232 equivalents Table 5 RS 232 Emulation of IEEE 488 Messages IEEE 488 Message RS 232 Equivalent GTL LOCAL command GTR REMOTE command LLO LOCKOUT command SDC DCL not emulated on RS 232 GET not emulated on RS 232 SPE SPD not emulated on RS 232 UNL UNT not emulated on RS 232 46 The IEEE 488 interface is based on the IEEE Standards 488 1 and 488 2 For detailed information refer to the IEEE 488 1 and IEEE 488 2 standards 9 6 Using Commands Communications between the controller and the CL3001 consist of commands queries and interface messages Although the commands are based on the 488 2 standard they can be used on either the IEEE 488 or RS 232 interface except for a few specific RS 232 only commands as described in the subsection Commands for RS 232 Only below For more detailed information on IEEE command structures see the IEEE 488 2 standard Refer to section 10
89. splay between F and C For best accuracy it is advisable to zero the RTD resistance circuit s daily or if the CL3001 is being used outside of the ambient temperature range of 18 to 28 C The maximum offset from unit calibration that can be zeroed out is 0 1 ohm for the high range and 0 01 ohm for the low range To zero a RTD resistance circuit Select the RTD measure function as described above and TYPE press the ELISS key until the low or high ohms range is selected Short the RTD Q terminals with the test leads normally used for RTD Q measurements Allow at least 3 minutes for the test leads and terminals to stabilize to the same temperature Press the and o keys to zero the ohms range 4 4 Resistance Temperature Detector RTD and Ohms Source The CL3001 can source all common RTD types and 5 custom RTD curves in F or C plus basic resistance from 5 to 4000 ohms The following common RTD types are supported 20 Pt 385 100 2009 5009 10009 Pt 3926 1002 Pt 3916 JIS 1002 Ni120 1200 Cu 427 109 YSI 400 Unit Under Test UUT f 9 Disconnect any test leads from external devices TC Press the key to select thermocouple and RTD 2 mode if not already selected If thermocouple mode is displayed press the key again to cycle to RTD O mode If input mode is displayed select output mode by pressing the and e keys TYPE Press the EES key to select the desired RTD curve or ohms
90. ster SRE SRE Returns the byte from the Service Request Enable register STB Returns the status byte 57 TST Runs a series of self tests and returns a 0 for pass or a 1 for fail If any faults are detected they are logged into the fault queue where they can be read by the FAULT query WAI Prevents further remote commands from being executed until all previous remote commands have been completed External Connection Commands Command Description FUNC Returns the present output measurement or calibration function selected on the isolated and primary displays in that order HART Returns the HART resistor setting for the isolated milliamp range ON or OFF HART OFF Turns off the HART resistor on the isolated milliamp range HART ON Turns on the HART resistor on the isolated milliamp range ISO PRES UNIT Sets the isolated display pressure units ISO PRES UNIT Returns the isolated display pressure units LOOP POWER Returns the 24V loop power setting for the isolated milliamp range ON or OFF LOOP POWER OFF Turns off the 24V loop power on the isolated milliamp range LOOP POWER ON Turns on the 24V loop power on the isolated milliamp range PRES UNIT Sets the primary display pressure units PRES UNIT Returns the primary display pressure units RTD TYPE Sets the Resistance Temperature Detector RTD typ
91. sure lt value gt is barometric pressure for absolute pressure modules expressed in the currently selected pressure units lt None gt ZERO_MEAS If thermocouple millivolts are currently selected this example zeros the offset X IEEE 488 x RS 232 x Sequential This command returns the zero offset for pressure modules thermocouple millivolts or RTD ohms Parameter Response Example lt None gt lt zero offset gt lt units gt where lt zero offset gt is the current offset and where lt units gt is one of the following OHM Ohms V DC volts thermocouple millivolts or one of the pressure units listed with the PRES_UNIT command ZERO_MEAS 1 060000E 01 PSI This example indicates that the pressure zero for the attached module is 0 106 psi 85 11 Maintenance 11 1 Cleaning the Calibrator IN Warning To avoid personal injury and or damage to the Calibrator use only the specified replacement parts and do not allow water into the case IN Caution To avoid damaging the case do not use solvents or abrasive cleaners Clean the calibrator and pressure modules with a soft cloth dampened with water or mild soap and water 11 2 Replacing a Line Fuse AN Warning To avoid electrical shock hazard disconnect line power before opening the case or fuse compartment The line power fuses and line voltage selector are located in the compartment above t
92. there is any question about the grounding through the 3 conductor power cord Standard IEC AC power inlet for 120 240 VAC Main power on off switch Power line voltage selector and fuse compartment See section 11 for instructions on changing the line voltage selector and changing fuses AN Warning To prevent electrical shock only remove the line voltage selector and fuse holder when the power cord is removed 2 6 Display Layouts a Primary Voltage and Current Display ue 12 3 UE Figure 6 Primary Voltage and Current Display Layout Item Description 1 Operating mode AUTO Auto range LOCK Range lock rem remote operation SP Automatic stepping of preset setpoints Present range and output mode Output state Stby Standby terminals inactive Opr Operating terminals are active with output per the displayed value Output value Units b Primary Thermocouple and RTD Display Am RTD OUT P100 385 Stby 0 00 F 6 6 6 Figure 7 Primary Thermocouple and RTD Display Layout Item Description 1 Output mode selection RTD TC or rem for remote operation Input or output selection RTD or thermocouple type selection AJOJN Output state for RTD outputs Stby Standby terminals inactive Opr Operating terminals are active with output per the displayed value Blank for RTD inputs Cold junction selection for thermocouple inp
93. tput terminals These terminals accept a miniature polarized thermocouple plug with flat in line blades spaced 7 9 mm 0 312 in center to center 5 4W RTD O INPUT Four wire RTD and Ohms input terminals See notes 1 and 3 below Se 6 Pressure module input connector Note 1 These terminal binding posts are made of a special copper alloy to reduce thermal EMF s They support the use of either discreet wires or standard banana plugs and the HI LO pairs are spaced for standard dual banana plugs Note 2 Caution Do not exceed a maximum of 100 volts to chassis ground Note 3 Caution Do not exceed a maximum of 20 volts to chassis ground 2 3 Primary Input Output Display and Controls Figure 3 describes the primary input output display and controls in detail A 1 1 mA F3 TY Q Non 074 et INTER Figure 3 Primary Input Output Display and Controls Item Name Description Display A 2 line 16 character display providing all visual user feedback for the primary output and input operations See section 2 6 for layout details and section 2 7 for possible error messages Numeric and secondary function keys OUTPUT Q Output value data entry keys Secondary function selection per the text printed above the numeric key Press the cdit key followed by the numeric key to select the function Change RTD Ohms or Thermocouple to o
94. ttached and sets its range accordingly TYPE Press the ELIES key to select the desired pressure units for display Before attaching the module to the pressure source zero the module as described in the instruction sheet that came with the module Procedures vary but all end with pressing the Bell and e keys Attach the module to the pressure source according to the instruction sheet that came with the module taking care to follow all safety precautions when dealing with high pressures 5 Isolated Inputs 5 1 Voltage Input The CL3001 can measure DC voltages from 0 V to 100 V using the following two ranges for maximum accuracy 10 V and 100 V 8 b Disconnect any test leads from external devices Press the d key to select isolated DC voltage and current input mode if not already selected If the desired DC voltage mode is not displayed press the key again to cycle to the desired DC voltage mode Connect the unit under test to the isolated voltage current input terminals of the CL3001 as shown in figure 17 10V RANGE 0 0002 V Ed E3 E23 E3 Unit Under Test UUT DC Voltage Output Figure 17 Isolated DC Voltage Input Connection 29 5 2 Current Input The CL3001 can measure DC current from 0 mA to 50 mA a b Disconnect any test leads from external devices i Press the key to select isolated DC voltage and current input mode if not already se
95. ue gt where lt value gt is one of the following INT internal temperature sensor in use EXT external reference value in use Example TC_REF INT This example indicates that the internal sensor is in use TC_TYPE X IEEE 488 X RS 232 Sequential X Overlapped This command sets the Thermocouple TC sensor type being used for TC temperature source and measurement Normally before using the TC_TYPE command to select the TC type use the TSENS_TYPE command to select TC mode and afterwards set the output temperature using the OUT command if applicable A change in temperature sensors sets the output to 0 C Parameters lt value gt where lt value gt is one of the following B type thermocouple C type thermocouple E type thermocouple J type thermocouple K type thermocouple L type thermocouple N type thermocouple R type thermocouple S type thermocouple T type thermocouple U type thermocouple XK type thermocouple BP type thermocouple 1 mv C NOXCHAMDZACM HACMODW UA Response None Example TC TYPE J This example sets the thermocouple type to J type 81 82 TC_TYPE Overlapped This command returns the Thermocouple TC sensor type being used for TC temperature source and measurement x lt IEEE 488 X RS 232 x Sequential Parameter None Response value where value is one of the following B type thermocouple C type thermoc
96. ule To avoid damaging the pressure module from corrosion use it only with specified materials Refer to the pressure module documentation for material compatibility Make sure to remove all test connections before powering up the CL3001 Failure to do so could lead to damage of the CL3001 or the unit under test 2 Calibrator Description 2 1 Front Panel Overview Figure 1 shows the overall layout of the front panel Each of the three major divisions is described in detail in the following sections as Bae oe ae Stby 0 000000 V 0 0002 V 20 0 0 10 0 0 Az 19 0 xum 6 Figure 1 Front Panel Item Name Description 1 Primary input output terminals See section 2 2 for details 2 Primary input output display and controls See section 2 3 for details 3 Isolated input display controls and terminals See section 2 4 for details 2 2 Primary Input Output Terminals Figure 2 describes the primary input output terminals in detail The display and controls for these terminals are described in the next section Figure 2 Primary Input Output Terminals Item Name Description 1 VOLTS DC voltage output terminals See notes 1 and 2 below 2 mA DC current output terminals See notes 1 and 2 below 3 RTD O OUTPUT Two wire RTD and Ohms output terminals See notes 1 and 2 below 4 TC INPUT OUTPUT Thermocouple input and ou
97. utput mode INPUT e Change RTD Ohms or Thermocouple to input mode ZERO Q SETUP e ac EMO Zero the input for Pressure Thermocouple millivolts or RTD ohms Adjust the LCD Contrast LCD Backlight and Remote Interface Configuration as described in section 8 Select internal or external cold junction compensation for Thermocouple temperature measurements When external compensation is selected XCJC is displayed at the start of the second line or EO Select Centigrade or Fahrenheit units for RTD and Thermocouple temperature measurements s EO Set a new value for a preset output setpoint as described in section 6 RECALL e Recall a preset output setpoint as described in section 6 AUTOSET Initiate automatic stepping of preset output setpoints as described in section 6 RNG LOCK e Select Auto range or Range Lock for voltage output LOCAL Q Press to regain local control of the CL3001 after the remote command REMOTE has been received in this case all keys except this one are ignored When the remote command LOCKOUT has been received all keys are ignored including this one and the remote command LOCAL must be received to regain local control EXP Press during entry of a RTD custom curve coefficient to begin entering the exponent Function keys Select DC voltage or current output mode and toggle between them
98. uts and outputs XCJC External cold junction compensation the CL3001 automatic cold junction compensation is turned off i e 0 mV is always 0 C Blank Internal cold junction compensation the CL3001 automatically measures the ambient temperature at the thermocouple terminals and compensates the measurement i e 0 mV is ambient temperature 13 5 Input or output value 6 Units c Primary and Isolated Pressure Display psi 18 5982 Figure 8 Primary and Isolated Pressure Display Layout Item Description 1 UnitsOn the primary display rem appears to the left during remote operation 2 Input value d Isolated Voltage and Current Display 10V RANGE 0 0000 V Oo Figure 9 Isolated Voltage and Current Display Layout Item Description 1 Selected range and input mode 10V RANGE or 100V RANGE for DC voltage 50mA RANGE for basic DC current 24mA LPWR for loop powered 2 wire transmitter 24mA LPWR HART for loop powered 2 wire transmitter with 250 ohm resistor in circuit 2 Input value 3 Units 2 7 Error Messages The following error messages may appear on either display Table 1 Error Messages Message Description OVER RANGE The value entered on the numeric keypad exceeds the range of the output mode selected OVER LOAD For DC voltage output mode the current required to generate the output exceeds the CL3001 specifica t
99. ve custom coefficients are entered as deviations from the standard coefficients and as such all of them are set to zero at the factory The coefficients A and B represent the A and B coefficient obtained when the SPRT is calibrated at the triple points of argon mercury and water This covers the 83 8058K to 273 16K subrange Coefficients A B and C can represent different coefficients based on which subranges of the SPRT has been calibrated For example if the 273 15K to 933 473K subrange was used A B and C would represent A B and C whereas if the 273 15K to 692 67K subrange was used A and B would represent A and B and C 0 To enter the deviation coefficients for a custom SPRT a Select RTD measure mode as described in the preceding section b Press the EE key until the SPRT type is selected c Press the Bills key to display the action prompt SET 1 RECALL 2 d Press e to select custom SPRT data entry e At the ENTER MIN TEMP prompt enter the minimum temperature limit for the custom SPRT and press the key f At the ENTER MAX TEMP prompt enter the maximum temperature limit for the custom SPRT and press the g Atthe ENTER RTPW prompt enter the nominal resistance value RTPW for the custom SPRT and press the key h Atthe ENTER COEFF A prompt enter the first A deviation coefficient for the custom SPRT and press the Milli Key To enter a coefficient that includes an exponent
100. xample lt None gt lt value gt where lt value gt is one of the error codes documented in section 10 3 FAULT 105 This example shows the error code which would occur if the previous command attempted to set a value above 100 mA for current output The error code 105 indicates that the value was above the upper limit for the selected output range 63 64 FUNC Overlapped x lt IEEE 488 x 8 2 2 xX Sequential This command returns the present output measurement or calibration function for the primary and isolated displays Parameter Response Example HART Overlapped lt None gt lt isolated gt lt primary gt where lt isolated gt is one of the following DC10V measure DC voltage 10V range DC100V measure DC voltage 100V range DCI measure DC current PRESSURE measure pressure and where lt primary gt is one of the following DCV source DC voltage DCI source DC current RTD_OUT source RTD Ohms RTD_IN measure RTD Ohms TC_OUT source thermocouple TC_IN measure thermocouple PRESSURE measure pressure FUNC DC10V PRESSURE This example indicates that the isolated display is selected to the 10V range and the primary display is selected to pressure x lt IEEE 488 x 8 2 2 x Sequential This command returns the isolated DC current input HART resistor status Param
101. ystems Y Recorders Printers amp Plotters HEATERS V Heating Cable V Cartridge amp Strip Heaters V Immersion amp Band Heaters V Flexible Heaters V Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL V Metering amp Control Instrumentation V Refractometers V Pumps amp Tubing v Air Soil amp Water Monitors V Industrial Water amp Wastewater Treatment V pH Conductivity amp Dissolved Oxygen Instruments M 4705 1210

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