Setra Systems 2000C Specifications
Contents
1. To II pM TET B 247077 2002 Dual Channel Meter and Manometer Operating Manual Contents INTRODUCTION riisiin iiini iiaii Pe er he iti se erc 3 CONNECTING A TRANSDUCER TO THE DATUM 2000 4 TRANSMITTERS 2 WIRE DEVICES 4 TRANSDUCERS WIRE OR TERMINAL DEVICES 4 TRANSDUCERS 4 WIRE 4 TERMINAL DEVICES 5 OPERATING NOTES i Et ttr tete ri p een Heg dite 7 OvEr AND UndEr MESSAGES seen 7 SAMPLING BATE tit n e rect e eie ese eg o ES 7 LOCKING ONTO A CHANNEL 2 7 DISPLAYING BOTH 5 7 MANOMETER ANALOG 7 RAPIDLY CHANGING INPUT SIGNAL eee 7 TEST MODE gri ed it a LE iD Edge Puer det due 7 USER SETUPS nne n et te e etre rfe nne secure 8 SET ORESE T iE nd ttp 9 HI LO ALARM SETPOINTS 2 11 ALARM OUTPUT deed dee t nein 12 INSTALLATION OF PRESSURE FITTINGS FOR THE MANOMETER 13 CALIBRATING THE DATUM 20007 0 44 1 14 CALIBRATING THE DATUM 20007 USING KNOWN PRESSURES 14 CALIBRATING THE DATUM 20007 USING AN EXTERNAL REFERENCE cti ett eee B ee e eet Ee dg 15 CALIBRATING THE DATUM 20007 FOR A TRANSDUCER USING THE INTERNAL REFERENCE 152. Sie new position after they are used 29 WARNING Warning Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interfer ence when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded cables must be used with this unit to ensure compliance with the Class A Part 15 FCC limits 30 RETURN INSTRUCTIONS Please contact Setra 800 257 3872 or 978 263 1400 before returning unit for repair to review information relative to your application When returning a product to Setra the material should be carefully packaged and shipped prepaid to Setra Systems Inc 159 Swanson Road Boxborough MA 01719Dat Attn Repair Department To
3. CAL_U and CAL_C commands allow you to calibrate the DATUM 2000 by entering two data points Calculate the pressure for the 2 calibration points before beginning this procedure The DATUM 2000 will determine the conversion factor and display the applied pressure in the desired engineering units The maximum read out is 31999 to 9999 If unit has been previously calibrated the calibration must be erased before calibrating the meter Following this procedure without erasing the previous calibration will not reprogram the meter Note If at anytime you with to abort the calibration procedure simply disconnect power to the unit and the old calibration data will still be intact CAUTION CALIBRATING CHANNEL ONE OF THE DATUM 2000 MANOMETER WITH A VOLTAGE INPUT WILL RESULT IN DAMAGE TO THE DATUM AND WILL VOID THE WARRANTY THE DATUM 2000 MANOMETER HAS BEEN CALIBRATED AT THE FACTORY FOR THE SETRA TRANSDUCER INSTALLED INSIDE IF YOU WISH TO PERFORM A CALIBRATION ON THE DATUM 2000 MANOMETER YOU MUST APPLY KNOWN PRESSURE TO THE TRANSDUCER NEVER APPLY A VOLTAGE SIGNAL TO THE CHANNEL ONE INPUTS PINS 6 AND 7 ON THE BACK OF THE DATUM 2000 MANOMETER Before beginning set up wiring for first calibration point If using the internal reference voltage IN IN and ground should all be shorted together pin 6 pin 7 and pin 9 CH2 pin 12 pin 13 and pin 15 Step 1 Press and hold the SCAN adj and HOLD mode keys for 8 seconds then
4. CH2 With CH1 displayed press and release the SCAN adj key to display CH2 noYES CH1 Step 3 Press the HOLD mode key to display ALAr CH1 i ALAr Step 4 Press the HOLD mode key to display the present value of the Low Alarm point 11 Step 5 Set the LO ALARM Point Note The decimal point that was set during calibration CAL_U CAL_C will be displayed Press the SCAN adj key to move the numbers up Fe Press the HOLD mode key to move the numbers down When the desired number is reached press the SCAN adj and HOLD mode keys at the same time The number will flash repeatedly Then press the SCAN adj key to readjust it or the HOLD mode key to accept it Step 6 Repeat the same procedure as in Step 5 to set the HI ALARM Point After the number is accepted the DATUM 20007 will resume normal operation ALARM OUTPUT The alarm outputs are available on the terminal strip on the back of the meter The signals available are HI ALARM position 2 LOW ALARM position 3 and CH1 CH2 position 4 A TTL level 5 volt logic high signal on the LOW or HIGH alarm lines indicates an alarm condition The corresponding LED on the front panel will also be lit If pin 4 CH1 CH2 is low the alarmed channel is Channel 2 if pin 4 is high the alarmed channel is Channel 1 These lines can sink up to 12 mA or source up to 8 mA Keep in m
5. CALIBRATING THE DATUM 20007 FOR A TRANSMITTER USING THE INTERNAL REFERENCE 16 CALIBRATING VOLTAGE INPUT AND CURRENT 18 ERASING CALIBRATION IN A CHANNEL eee 21 SETRA DATUM 20007 RS232 SERIAL OPTION INTERFACE INSTRUCTIONS Lagen ide ele Rs te SER ER cde 23 DATUM 20007 SERIAL OPTION COMMANDS 23 OUTPUT DATA 24 CHANGING THE BAUD RATE AND PARITY 25 DATUM 20007 MANOMETER 26 DATUM 20007 METER AND MANOMETER SPECIFICATIONS 27 PANEL MOUNT INSTRUCTIONS eee 28 2 secnndo Le 30 RETURN INSTRUCTIONS 2 31 LIMITED WARRANTY AND LIMITATION OF LIABILITY 31 247077 2772 INTRODUCTION Thank you for purchasing a Setra DATUM 2000 meter or manometer Setra s DATUM 2000 is a compact dual channel meter with a 4 1 2 digit LED display designed to mate with one or two transducers or transmitters with a cable connection The DATUM 20007 manometer is a single unit which combines a DATUM 2000 meter with a Setra transducer The Setra transducer is connected to the Channel One inputs of the manometer with Channel Two inputs avail
6. assure prompt handling please supply the following information and include it inside the package of returned material 1 Name and phone number of person to contact 2 Shipping and billing instructions 3 Full description of the malfunction 4 Identify any hazardous material used with product Notes Please remove any pressure fittings and plumbing that you have installed and enclose any required mating electrical connectors and wiring diagrams Allow approximately 3 weeks after receipt at Setra for the repair and return of the unit Non warranty repairs will not be made without customer approval and a purchase order to cover repair charges LIMITED WARRANTY AND LIMITATION OF LIABILITY SETRA warrants its products to be free from defects in materials and workmanship subject to the following terms and conditions Without charge SETRA will repair or replace products found to be defective in materials or workmanship within the warranty period provided that a the product has not been subjected to abuse neglect accident incorrect wiring not our own improper installation or servicing or use in violation of instructions furnished by SETRA b the product has not been repaired or altered by anyone except SETRA or its authorized service agencies the serial number or date code has not been removed defaced or otherwise changed and d examination discloses in the judgment of SETRA the defect in materials or workmanship
7. channel calibrated V 56H Verify communication with the DATUM 2000 Serial Option The DATUM 2000 will respond SETRA DATUM 2000 When command A or C is active the alarm print or continuous print will continue until interrupted by a new command The command that interrupts the printing will not be read therefore to start a new command while the Serial Option is outputting continuous data send the new command twice Allow 1 second between commands transmitted to the DATUM 2000 M Hint Transmit a V to the DATUM 2000 M if the verify message SETRA DATUM 2000 is not received wait 1 second and retransmit a V Transmit a V each second until the verification message is received When the verification message is received the DATUM 2000 is ready for a new command OUTPUT DATA FORMAT The data is transmitted by the DATUM 20007 Serial option in the following format followed by a carriage return and a line feed C nnnnn SS C the channel number 1 or 2 nnnnn the number or message displayed on the DATUM 20007 SS Status OK HI for high alarm and LO for low alarm Examples of data 1 9 298 OK 2 11 438 HI 2 O UEr HI 1 Un dEr OK 1 11 04 LO The decimal point is always transmitted in the position programmed for display by the DATUM 2000 For messages such as OVER and UNDER the decimal point will appear in the message as above If the DATUM 2000 is in calibration mode the DATUM will output
8. developed under normal installation use and service SETRA is notified in advance of and the product is returned to SETRA transportation prepaid Unless otherwise specified in a manual or warranty card or agreed to in a writing signed by a SETRA officer SETRA pressure and acceleration products shall be warranted for one year from date of sale The foregoing warranty is in lieu of all warranties express implied or statutory including but not limited to any implied warranty of merchantability for a particular purpose SETRASSs liability for breach of warranty is limited to repair or replacement or if the goods cannot be repaired or replaced to a refund of the purchase price SETRA s liability for all other breaches is limited to a refund of the purchase price In no instance shall SETRA be liable for incidental or consequential damages arising from a breach of warranty or from the use or installation of its products No representative or person is authorized to give any warranty other than as set out above or to assume for SETRA any other liability in connection with the sale of its products 159 Swanson Road Boxborough MA 01719 1304 TW IAN 800 257 3872 978 263 1400 Fax 978 264 0292 li ll ui WEB www setra com E mail transducer sales setra 550575 RevF 02 02 98
9. disregard decimal point the display will not show the input pres sure instead it will display OvEr If the pressure reading is less than 9999 disregard decimal point the display will not show the input pressure instead it will display UndEr SAMPLING RATE The DATUM 2000 will read the channel 2 to times a second The speed of the update is determined by the voltage of the channel being read If the meter has two channels calibrated it will display each channel for 8 readings and then switch to the other channel The exact time the meter will display a channel is dependent on the voltage of that channel Each channel will be displayed for approximately 3 to 4 seconds LOCKING ONTO A CHANNEL Press the HOLD mode key to force the DATUM 2000 to continuously display the present channel Upon power up the Datum 20007 will display both channels DISPLAYING BOTH CHANNELS Press the SCAN adj key to force the DATUM 2000 to resume displaying both channels MANOMETER ANALOG OUTPUT The output of the Setra transducer installed in the DATUM 2000 Manom eter is available at the rear terminal strip on pins 6 and 7 and marked Chan nel 1 IN Channel 1 IN RAPIDLY CHANGING INPUT SIGNAL For a signal whose magnitude is increasing very rapidly the DATUM 2000 can select the wrong integration time This can cause a single reading overflow of the A D converter This overflow can cause the sign of the reading to be incorrectl
10. pin 7 CH2 pin 13 Connect the shield to Ground pin 9 CH2 pin 15 NOTE THE OUTPUT OF THE SETRA TRANSDUCER INSTALLED IN THE DATUM 2000 MANOMETER IS AVAILABLE ON PIN 6 AND 7 DO NOT APPLY AN ELECTRICAL SIGNAL TO CH1 PIN 6 or CH1 PIN 7 A SECOND TRANSDUCER MAY BE CONNECTED ONLY TO CH2 PIN 12 or CH2 PIN 13 AC Adapter Setra pressure vacuum P A Transmitter Channel 1 Inputs Excitations NS Channel 2 Supplied with Inputs Excitations connector to join the two foot transducer cable and the ten foot digital pressure readout cable Pressure Line installed by user Figure A Figure B Terminal Block Connector Wenn ed 5 Alarm Channel 1 Channel 2 Signals Inputs E xcitations Inputs E xcitations Setra Setra Transducer Transmitter w RedCable w GrayCable w GrayCable 12Voltsexcitaticn qcciaral Caution Donot toPin5orPin11 24Vexc Caution Donot common toPin10 12Vexc IMPORTANT If you are not using Setra transducer or transmitter see manufacturer s transducer transmitter operating instructions for terminal circuit configuration and then connect the wires to the corresponding pins listed in the above chart 6 OPERATING NOTES OvEr AND UndEr MESSAGES In addition to displaying the numeric pressure reading the DATUM 2000 may also display UndEr and OvEr If the pressure reading exceeds 31999
11. 0 to25 50 100 psid 0to14 7psiv 0 40 10 25 50 100 psid System Accuracy RSS Thermal Effects SES 60 95 F Thermal Zero Shift Thermal Span Shift Pressure Fittings Positive Reference Pressure Media Positive Reference Analog Output Notes 0 11 FS t2 digits 0 14max t4digits 0 11 4 digits 1 4 18NPT internal 1 8 27 NPT internal 204D only Gas or liquid com patible with 17 4 PH stainless steel Clean dry air or other gases Non corrosive non condensable Maximum line pressure 1000 psig 204D only Normally 0 to 5 VDC for unidirectional pressure or vacuum ranges 0 tot2 5 VDC for bidirectional ranges the reference port open to atmosphere 2 Line pressure refers to pressure appliedto both high and low sides of the sensing device simultaneously Refer to the product data sheet to determine maximum differential pressure andoverpressure limits w Model 239 Differential Gage O0to0 5 1 0 2 5 5 5 30 inch WC 0tot0 25 t 5 21 0 12 5 277 5 15 inch WC 0to5 10 psid tot 5 25 paid 0 14 FS 2 digits 0 35 0 35 4 0160165 4digits 1 8 27 NPT internal 1 8 27 NPT internal Gases compatible withstainless steel hard anodized 6061 aluminum Buna N O ring Stainless steel in place of aluminum on special order Clean dry air or other gases Non corrosive non condensable Maximum line
12. 1 74 inches 44mm 3 50 89mm 7 inches 178 mm Allowat least 1 2 more for wires attached totemminal strip 1 8DIN 1 77 in 3 62 45x 92mm 1 4DIN 3 54 in x 3 62 in 90x 92mm 3 85in x1 99in 98 50mm 3 85 x3 74in 98 95mm 24 VDC 115 VAC 60 Hz 12 watt adapter provided w 1 models 24 VDC 220 VAC 50 Hz 14 watt adapter provided w 2 models Adaptor has European 2 prong plug withturret feet approx 0 013R 1 digit 0 043R 1 digit Same as transducer output voltage No analog output the DATUM 2000 temminates the current loop Adjustment Capabilities accessible through the user set up menus Voltage Inputs Current Inputs Maximum Reading Minimum Reading Input Specifications Transmitter input signal Transmitter input impedance Transmitter input voltage drop Transducer input signal Transducer input impedance 11to 11 volts Oto 20 mA 31999 9999 4 20 150 ohm 3 VDC max 11 VDC to 11 VDC 45K ohm 27 PANEL MOUNT INSTRUCTIONS 1 Slide the panel mount tab with screw into slot on the side of the meter as shown 2 28 2 Slide the screw down until it contacts the panel Now tighten the screw against the panel Note You can press against the top of the screw with your thumb to maintain the proper orientation as shown BETTER GOOD Note You may need to bend E z the panel mount tabs to their
13. 2000 1st example A 1000 PSI transducer has no offset voltage and an output of 5 volts at 1000 psi The DATUM 2000 has a reference voltage of 2 4995 1000 0 SLOPE 200 5 0 OFFSET 0 200 x0 0 15 PRESSURE 0 200 0 0 0 PRESSURE REF 200 x 2 4995 0 499 9 2nd example A 20 psi transducer has an offset of 1 volts and will have an output of 5 1 volts for a 20 PSI pressure The DATUM 2000 has a 2 4993 reference voltage 20 0 SLOPE 24 5 1 1 OFFSET 0 4x 12 4 PRESSURE G0 4 0 4 4 PRESSURE REF 4 x 2 4993 4 9 597 3rd example A bidirectional transducer has 2 5 volt output for 14 70 reading The DATUM 2000 has a reference voltage of 2 5082 volts 14 70 14 70 SLOPE 5 88 2 5 2 5 OFFSET 14 70 5 88 x 2 520 PRESSURE 0 0 5 88 0 0 PRESSURE REF 2 5082 x 5 88 0 14 75 CALIBRATING THE DATUM 2000 FOR A TRANSMITTER USING THE INTERNAL REFERENCE VOLTAGE The DATUM 2000 has a very stable internal reference voltage which can be used for calibration with transmitters Before proceeding you must locate the label on the bottom of the DATUM 2000 which indicates the reference voltage and the value of the transmitter input impedance for the channel you wish to calibrate 16 For the first pressure point connect the mA to gound 8 to pin9 2 pin 14 to pin 15 Enter the pressure that
14. 2000 Note If on power up the Datum 2000 display alternates between cal and no Yes it has not been calibrated at the factory If the Datum 2000 Channel 1 or 2 displays numbers on power up one or both channels have been calibrated at the factory Always allow the DATUM 2000 and the transducers transmitters or reference voltage supplies to warm up 10 minutes before performing a calibration Whenever possible it is best to calibrate the DATUM 2000 at the tempera ture expected during operation There are 3 ways to calibrate the DATUM 2000 Applying pressure to a transducer or transmitter connected to the DATUM 2000 applying voltage to simulate the transducer or current for a transmitter directly to the DATUM 20007 or using the DATUM 20007 internal reference voltage The way you should calibrate your meter depends on the equipment you have avail able If you can apply very accurate and stable pressures use this method If you have a precision voltage source use it to simulate the transducer s output If you have a precision current source use it to simulate the transmitter s output If you cannot calibrate your DATUM 2000 with the methods above you can use the internal reference voltage to calibrate your DATUM 2000 CAUTION DATUM 2000 MANOMETER ONLY CALIBRATING CHANNEL ONE OF THE DATUM 20007 MANOMETER WITH A VOLTAGE INPUT WILL RESULT IN DAMAGE TO THE DATUM AND WILL VOID THE WARRANTY T
15. 8 to enter the second calibration data point Enter a number between 31999 and 9999 After the second calibration data point has been accepted the meter will display bUSY for 10 seconds and then return to normal operating mode and immediately begin reporting ERASING CALIBRATION IN A CHANNEL please read before attempting procedure A channel of the Datum 2000 can be permanently deactivated by calibrating the channel and entering zero for both pressure points If you wish to erase the calibration of a channel follow the procedure beginning with Step 1 on page 18 In Step 5 Select CAL U In Step 7 7a and 7b set the decimal point to the first position In Steps 8 and 9 enter a value of 0 It does not matter what if any voltage or current signals are applied to the Datum 2000 when you use the Calibration Procedure to erase a channel as long as they do not exceed the Datum s input specifications 21 22 SETRA DATUM 2000 RS232 SERIAL OPTION INTERFACE INSTRUCTIONS The serial option for the Setra DATUM 2000 has a 9 pin d sub connector for connecting the serial interface The following pinout is used by the Serial Option 12345 Pin Description 00000 2 Transmit from DATUM 0000 3 Receive into DATUM 6789 5 Signal Ground The DATUM 2000 Serial option operates with the following default param eters Baud 2400 Parity None Start bits 1 Data bits 8 Stop bits 1 The DATUM 2000 does not support
16. CAL once and then wait for a new command 24 CHANGING THE BAUD RATE AND PARITY The baud rate and parity of the DATUM 2000 Serial Option can be set to the following values COMMAND ASCII BAUD 300 3 33H 600 6 36H 1200 1 31H 2400 2 32H 4800 4 34H 9600 9 39H PARITY NONE N 4EH ODD 4FH EVEN E 45H To change the baud or parity transmit a P ASCII 50H and the command number or letter from the table above For example to set the DATUM 2000 to 9600 baud and even parity transmit P always allow 1 second between commands sent to DATUM 2000 and then transmit 9 to set the baud rate to 9600 Set your computer or terminal to 9600 baud and then transmit P and E to set even parity When you change the communications parameters they are stored internally and will be recalled every time the DATUM 2000 is powered up Hint Transmit a V to the DATUM 2000 if the verify message SETRA DATUM 2000 is not received wait 1 second and retransmit a V Transmit a V each second until the verification message is received When the verification message is received the DATUM 2000 is ready for a new command Now transmit a P wait at least 1 second and transmit the baud or parity parameter 25 Type of Pressure Measurement Standard Ranges DATUM 2000 Manometer Specifications w Models 204 204D Gage Absolute Vacuum Dif amp 0 025 50 100 250 500 1000 psig 0 025 50 100 250 500 1000 psia
17. ER ANY OTHER DEVICE BESIDES THE 1 OR 2 TRANSDUCERS OR TRANSMITTERS THAT THE METER IS DISPLAYING UNDER NO CIRCUMSTANCES SHOULD MORE THAN 60 mA BE DRAWN FROM THE DATUM Setra transducers come in two configurations 3 wire 3 terminal circuits and four terminal equivalent circuits The Setra transmitters are known as 2 wire circuits The instructions for connecting each of these to the DATUM 2000 follows TRANSMITTERS 2 WIRE DEVICES Connect the excitation to pin 5 CH2 pin 11 to supply 24 volts to the transmitter Connect the excitation to pin 8 CH2 pin 14 to return the signal to the DATUM 2000 TRANSDUCERS 3 WIRE OR 3 TERMINAL DEVICES Connect the excitation to pin 5 CH2 pin 11 to supply 24 volts to the transducer IF YOUR TRANSDUCER REQUIRES 12 VOLT EXCITATION CONNECT THE EXCITATION TO PIN 10 CH2 PIN 10 Connect the excitation to Ground pin 9 CH2 pin 15 Connect the output to IN pin 6 CH2 pin 12 Connect the IN terminal pin 7 CH2 pin 13 to Ground pin 9 CH2 pin 15 Connect the shield to Ground pin 9 CH2 pin 15 TRANSDUCERS 4 WIRE OR 4 TERMINAL DEVICES Connect the excitation to pin 5 CH2 pin 11 to supply 24 volts to the transducer IF YOUR TRANSDUCER REQUIRES 12 VOLT EXCITATION CONNECT THE EXCITATION TO PIN 10 CH2 PIN 10 Connect the excitation to Ground pin 9 CH2 pin 15 Connect the output to IN pin 6 CH2 pin 12 Connect the output to IN
18. HE DATUM 20007 MANOMETER HAS BEEN CALIBRATED AT THE FACTORY FOR THE SETRA TRANSDUCER INSTALLED INSIDE IF YOU WISH TO PERFORM A CALIBRATION ON THE DATUM 20007 MANOMETER YOU MUST APPLY KNOWN PRESSURE TO THE TRANSDUCER NEVER APPLY A VOLTAGE SIGNAL TO THE CHANNEL ONE INPUTS PINS 6 AND 7 ON THE BACK OF THE DATUM 20007 MANOMETER NOTE THE OUTPUT OF THE SETRA TRANSDUCER INSTALLED IN THE DATUM 20007 MANOMETER IS AVAILABLE AT THE REAR TERMINAL STRIP ON PINS 6 AND 7 AND MARKED CHANNEL 1 IN CHANNEL 1 IN CALIBRATING THE DATUM 2000 USING KNOWN PRESSURES To calibrate the DATUM 2000 with known pressures be sure the DATUM 20007 and the transducer or transmitter is properly connected as described on pages 4 6 Following the calibration procedures starting on page 18 enter the known pressure of the system for the calibration points 14 CALIBRATING THE DATUM 2000 USING AN EXTERNAL REFERENCE VOLTAGE Connect the external reference to the meter to simulate the transducer or transmitter using the connection instructions on pages 4 6 Then follow the calibration instructions on page 18 During calibration short IN to Ground pin 7 and pin 9 CH2 pin 13 and pin 15 Be sure to set the mini mum voltage of the calibrator to the same value as the minimum output voltage of the transducer Apply the voltage current for the first pressure point and enter the pressure reading desired Now apply the voltage current for the secon
19. OFFST ALAr OFF57 Step 5 Press the HOLD mode key to display the number 0 Note The decimal point that was set during calibration CAL_U CAL_C will be displayed Step 6 Set the value you wish the meter to display at the presently applied pressure Press the SCAN adj key to move the numbers up Press the HOLD mode key to move the numbers down EL a re When the desired number is reached press the SCAN adj and HOLD mode keys at the same time The number will flash repeatedly Then press the SCAN adj key to readjust the number or the HOLD mode key to accept it After the number is accepted the meter will display DUSY for 10 seconds and then resume normal operation 10 HI LO ALARM SETPOINTS please read before attempting procedure Note The channel must be calibrated before the alarm points are set The command allows you to set high and low pressure alarm points The ALARM or LO ALARM indicator light is lit if the applied pressure exceeds the set values The alarm output signals are available at the termi nal strip To set the Hi ALARM and Lo ALARM use the following procedure Step 1 Press and hold the SCAN adj and HOLD mode keys for 8 seconds then release the display will alternate between cal and noYes for ten seconds 0 00 ti CAL Step 2 To specify yes and select CH1 press and hold the HOLD mode key to display CH1 To select
20. able for external connection to another Setra transducer or transmitter The DATUM 20007 meter and manometer are easy to use and install and may be used on a benchtop or panel mounted IMPORTANT Please familiarize yourself with each set of instructions before attempting to install your meter or manometer or perform a procedure The meter has a time out safety feature to prevent miscalibration Every time a new message is displayed during a procedure you have 30 seconds to respond If you don t respond within 30 seconds the meter will reset itself to normal operation CONNECTING A TRANSDUCER TO THE DATUM 2000 Note If you purchased your DATUM 2000 factory calibrated with a Setra pressure transducer or transmitter a 10 foot cable connector assembly has been provided Therefore this section may not be applicable Go to page 7 The DATUM 2000 has two groups of input terminals one for each channel Figure B page 6 shows the terminal block connector on the back of the DATUM 20007 and describes each position of the connector Figure A shows a typical setup of a DATUM 2000 with a single transducer The DATUM 2000 provides ground referenced 12 volt and 24 volt excita tion The 24 volt excitation is available on pins 5 and 11 The 12 volt excita tion is available only on pin 10 If two 12 volt transducers transmitters are being used both units must be connected to pin 10 DO NOT USE THE EXCITATION FROM THE METER TO POW
21. corresponds to zero mA input since most transmitters 4 to 20 mA 0 mA will have a negative value Use the following formula see example Full scale pressure offset pressure SLOPE Full scale mA offset mA OFFSET Pressure mA SLOPE x mA mA REFERENCE VOLTAGE INPUT IMPEDANCE PRESSURE SLOPE x mA OFFSET DEFINITION OF OFFSET Offset pressure and offset current mA refers to the minimum pressure input and current output of the transmitter e g a 4 20 mA output 0 50 psi transmit ter the offset current is 4 mA and the offset pressure is 0 For the second pressure point connect the reference voltage either contact of the 2 pin blue connector located behind the terminal strip to the mA pin 8 CH2 pin 14 Enter the pressure that corresponds to this input current according to the formula above the value of the reference voltage and the mA input impedance is recorded on the serial label on the bottom of the DATUM 2000 Example A 1000 PSI transmitter outputs 4 mA at 0 PSI and 20 mA at 1000 psi The DATUM 2000 has a reference voltage of 2 4995 and channel 1 input impedance is 149 01 ohms 1000 0 SLOPE 62 5 20 4 OFFSET 0 62 5 4 250 PRESSURE G0 62 5 0 250 250 mA 2 4995 149 01 16 774 mA 0 016774 Amps PRESSURE REF 62 5 16 774 250 798 4 17 CALIBRATING VOLTAGE INPUT AND CURRENT INPUT please read before attempting procedure
22. d pressure point and enter the desired pressure reading CALIBRATING THE DATUM 20007 FOR A TRANSDUCER USING THE INTERNAL REFERENCE VOLTAGE The DATUM 2000 has a very stable internal reference voltage which can be used for calibration if the above methods cannot be used For the first pressure point the IN IN and ground should all be shorted together pin 6 pin 7 and pin 9 CH2 pin 12 pin 13 and pin 15 Enter the pressure that corresponds to zero volts input Use the following formula to calculate the pressure that corresponds to zero volts input see examples Full scale pressure offset pressure SLOPE Full scale voltage offset voltage OFFSET Pressure voltage SLOPE x voltage PRESSURE SLOPE x VOLTAGE OFFSET DEFINITION OF OFFSET Offset pressure and offset voltage refers to the minimum pressure input and voltage output of the transducer e g a 0 5 volt output 600 1100 mbar transducer the offset voltage is 0 and the offset pressure is 600 For the second pressure point the IN and ground should be shorted pin 7 and pin 9 CH2 pin 13 and pin 15 The reference voltage either contact of the 2 pin blue connector located behind the terminal strip should be con nected to the IN pin 6 CH2 pin 12 Enter the pressure that corresponds to this input voltage according to the formula above the value of the refer ence voltage is recorded on the serial number label on the bottom of the DATUM
23. hardware or software handshaking e g RTS CTS DTR and DSR are not supported nor is XON XOFF hand shaking supported Some computer equipment expects handshaking for instance it may be necessary to jumper RTS to CTS at your computer s serial input port it may also be necessary to jumper DTR to DSR Shielded cables must be used with this unit to ensure compliance with the Class A Part 15 FCC limits DATUM 2000 SERIAL OPTION COMMANDS A 41H Transmit every reading that is displayed by the meter with an alarm condition indicated Note If the DATUM 2000 is locked onto a channel the other channel will not print even if it is in an alarm condition See page 11 for setting the alarm points 43 Transmit the readings displayed on the DATUM 2000 continuously Note this will transmit the active channel s if the DATUM 20007 is locked onto a channel only that channel will be transmitted Hint use command 1 or 2 to lock onto a channel and then use C to print it continuously 1 31H Set the DATUM 2000 to channel and lock the meter so only channel one is displayed It then transmits one reading for channel one Channel one must be sud 2 32H Set the DATUM 2000 to channel two and lock the meter so only channel two is displayed It then transmits one reading for channel two Channel two must be calibrated S 53H Force the DATUM 2000 to scan all active channels This has no effect for a DATUM 2000 with only one
24. ind that the meter will continue to scan both channels if 2 channels are calibrated and the DATUM has not been locked onto a single channel The alarm outputs will change to represent the channel being displayed 12 INSTALLATION OF PRESSURE FITTINGS FOR THE MANOMETER Your transducer is designed for most accurate operation when subjected to pressures within the designated pressure range Refer to catalog bulletin specifications for proof pressure limits Subjection to excessive pressure voids the warranty DO NOT OVERPRESSURE CAUTION DO NOT SUBMERGE IN LIQUIDS USE IN AMBIENT CONDI TIONS CORROSIVE TO ANODIZED ALUMINUM SUBJECT TO SPRAY OR DRIPPING OR USE IN A HIGH VIBRATION ENVIRONMENT THE TRANSDUCER IS VERY SLIGHTLY SENSITIVE TO ACCELERATION IN THE PRESSURE FITTING AXIS SEE APPLICABLE SPECIFICATIONS BULLETIN FOR ACCELERATION RESPONSE SPECIFICATIONS Standard thread sealants such as Teflon pipe tape generally are satisfactory For the most sensitive pressure ranges excessive high torquing of a metal pressure fitting may cause slight zero shift which may be trimmed out using the OFFSET adjustment Use of a plastic fitting often shows no noticeable zero shift The torquing effect does not appreciably affect linearity or sensi tivity The wrench flat on the pressure port should be used when installing the positive pressure fitting See page 26 for transducer specifications and media compatibility 13 CALIBRATING THE DATUM
25. operation NOTE If the meter has not been calibrated at the factory when the meter is turned on the display will alternate between and noYes ALAr the alarm points OFF57 Setan offset value CAL Calibrate CH1 for voltage in transducer CAL C Calibrate CH1 for current in transmitter Return to normal operation Display Cal is lit when X 7 in calibration mode mode ALAr Setthe alarm points OFF57 Setan offset value CAL Calibrate CH2 for voltage in transducer CAL C Calibrate CH2 for current in transmitter Return to normal operation Return to normal operation SET OFFSET please read before attempting procedure Note The channel must be calibrated before the offset is adjusted The OFFSET command allows you to adjust the reading relative to a known value To set the OFFSET use the following procedure Step 1 Press and hold the SCAN adj and HOLD mode keys for 8 seconds then release the display will alternate between cal and noYes for ten seconds 0 00 j 0 CAL Step 2 To specify yes and select CH1 press and hold the HOLD mode key to display 1 To select CH2 With CH1 displayed press and release the SCAN adj key to display CH2 noYES CH1 Step 3 Press the HOLD mode key to display ALAr CH1 i ALAr Step 4 Press the SCAN adj key to display
26. point and the meter will display the decimal point with zeroes S E7dP 0 000 Step 8 Enter a calibration data point Enter a number between 31999 and 9999 Note The pressure or voltage current must be applied to the appropriate channel before entering this data point Caution Do not try to calibrate Channel One of the DATUM 2000 Manometer with a voltage input this will damage the unit and void the warranty Never apply a voltage signal to the Channel One inputs see page 14 Press the SCAN adj key to move the numbers up Press the HOLD mode key to move the numbers down When the desired number is reached press the SCAN adj and HOLD mode keys at the same time The number will flash repeatedly Then press the SCAN adj key to readjust the number or the HOLD mode key to accept it After the calibration data point has been accepted the meter will display bUSY for 10 seconds and then display zero The second data point may be entered Set up wiring for second calibration point The meter is programmed to allow unlimited time for this wiring It will not default to normal operating mode If using the internal reference voltage the IN and ground should be shorted pin 7 and pin 9 CH2 pin 13 and 15 The reference voltage either contact of the 2 pin blue connector located behind the terminal strip should be connected to the IN pin 6 CH2 pin 12 20 Step 9 Repeat the same procedure as in Step
27. pressure 250 psig Normally 0 to 5 VDC forunidirectional pressure 0 tot2 5 VDC for bidirectional ranges w Model 270 Gage Absolute Barometric Oto5 10 20 50 100 psig 0to10 20 50 100psia 600 1100millibar 800 1100millibar 0 05 FS t2 digits 4digits 4digits 0 07 max 0 04 max 1 8 27NPT internal N A Dry orwet air water or other media compatible with aluminum alumina ceramics gold andelastomer sealant N A 0 to 5 VDC for gage and absolute ranges 1 Differential pressure models used to measure gage pressure by leaving 26 DATUM 2000 Meter and Manometer Specifications Display Type Color Height ofDigits Maximum Readout Reading Rate OverloadSignal over range reading Underload Signal under range reading PolaritySign Brightness Physical Operating Temperature Storage Temperature Width Height Meter Manometer Depth incl connector Cutout Dimensions Meter Manometer Front Panel Meter Manometer Electrical Data Power Domestic European Power Cord Length Domestic and European Accuracy Readout Only At 73 F 23 C At 60 to 95 F 16 to 35 C Analog Output Transducers Transmitters Description Light emitting diode Red 0 56 inch 9999 to 31999 2 to 3 times per second depending on input voltage OVEr UndEr Negative only Constant 32 to 130 F 0 to 55 C 40 to 185 F 40 to 85 C 3 59 inches 91 mm
28. release the display will alternate between cal and noYes for ten seconds 0 00 ti CAL Step 2 To specify yes and select CH1 press and hold the HOLD mode key to display CH1 To select CH2 With CH1 displayed press and release the SCAN adj key to display CH2 Step 3 Press the HOLD mode key to display ALAr CH1 ALAr 18 Step 4 Press the SCAN adj key to display OFFST Step 5 To calibrate voltage in transducer press the SCAN adj key to display CAL U If calibrating for voltage input proceed to Step 7 if not proceed to Step 6 to calibrate for current input OFF57 V CAL U Step 6 To calibrate current in transmitter press the SCAN adj key again to display CAL C then proceed to Step 7 oL C Step 7 Setting the Decimal Point Note The decimal point location set in this step will always be used for all displayed pressure readings on this channel The maximum read out is 31999 to 9999 Press the HOLD mode key to display SETdP CAL U Step 7a Press and hold the SCAN adj key and the decimal point will move to the left release key at desired location While the key is pressed the decimal will continue moving left to right Press and release the SCAN adj key to move the decimal point one place at a time 19 Step 7b Press the HOLD mode key to accept the decimal
29. y set Such an occurrence can cause an improper setting of the alarms This condition will self correct once the input signal has stabilized This occurrence will rarely if ever be seen TEST MODE There is a test mode in which the DATUM 2000 will display the output of the A D converter reading of Channel 1 without performing the units conver sion This mode is accessible only by holding both the SCAN adj and HOLD mode keys down when the power is applied to the DATUM 2000 If you accidentally enter this mode you can exit by pressing either key 7 USER SETUPS The menu tree below represents the meter program structure To enter the menu and select a channel press and hold the SCAN adj and HOLD mode keys for 8 seconds then release the display will alternate between cal and noYes for ten seconds To specify yes and select CH1 press and hold the HOLD mode key until CH1 displays To specify no press and hold the SCAN adj key The display will return to normal operation To select CH2 With CH1 displayed press and release the SCAN adj key to display CH2 When choosing menu options you have 30 seconds to press a key before the meter defaults to normal operating mode To view the commands listed for the displayed channel press and release the HOLD mode key to display ALAr Then press and release the SCAN adj key repeat to display each command until the display returns to normal
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