Setra Systems DATUM 2000 Скачать руководство пользователя страница 25

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12.0 Specifications continued

13.0 Panel mount instructions

Adjustment capabilities (accessible through the user set-up menus)

Voltage inputs

+11 to -11 volts

Current inputs

0 to 20 mA

Maximum reading

+31999

Minimum reading

-9999

Input specifications

Transmitter input signal

4-20 mA

Transmitter input impedance

150 ohm

Transmitter input voltage drop

3 VDC (max.)

Transducer input signal

+11 VDC to -11 VDC

Transducer input impedance

45K ohm

Slide the panel mount tab with screw into slot

on the side of the meter as shown.

Содержание DATUM 2000

Страница 1: ...DATUM 2000 Operating Instructions Setra Systems Inc 159 Swanson Road Boxborough MA 01719 800 257 3872 www setra com ...

Страница 2: ...0 Installation of pressure fittings for the manometer 13 8 0 Calibrating the Datum 2000 14 8 1 Calibrating the Datum 2000 using known pressures 14 8 2 Calibrating the Datum 2000 using an external reference voltage 15 8 3 Calibrating the DATUM 2000 for a transducer using the internal reference voltage 15 8 4 Calibrating the Datum 2000 for a transmitter using the internal reference voltage 16 9 0 Ca...

Страница 3: ...the manometer with Channel Two inputs available for external connection to another Setra transducer or transmitter The DATUM 2000 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 you meter or manometer or perform a procedure The meter has a time out safety ...

Страница 4: ...o 12 volt transducers transmitters are being used both units must be connected to pin 10 DO NOT USE THE EXCITATION FROM THE METER TO POWER 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 2 1 Transmitters 2 wire devices Connect the excitation to pin 5 CH2 pin 11 to supply 24 volts to t...

Страница 5: ... Connect the excitation to ground pin 9 CH2 pin15 Connect the output to IN pin 6 CH2 pin 12 Connect the output to IN pin 7 CH2 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 PIN7 A SECOND TRANSDUCER MAY BE CONNECTED ONLY TO CH2 PIN 12 OR ...

Страница 6: ...12 volts excitation optional Caution Do not common to pin 5 or pin 11 24V exc White White 11 24 volts excitation Caution Do not common to pin10 12V exc White Red Red 12 Ch 2 In Yellow Green 13 Ch 2 In Brown White 14 Ch 2 current input Black 15 Ground Black Shield Black Shield Shield Important Ifyouare not usinga Setra transduceror transmitter see manufacturer s transducer transmitter operating ins...

Страница 7: ...ll display both channels 3 4 Displaying both channels Press the SCAN adj key to for the DATUM 2000 to resume displaying both channels 3 5 Manometer analog output The output of the Setra transducer installed in the DATUM 2000 manometer is available at the rear terminal strip on pins 6 and 7 and marked channel 1 IN channel 1 IN 3 6 Rapidly changing input signal For a signal whose magnitude is increa...

Страница 8: ...isplay 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 display channel press and release the HOLD mode key to display ALAr Then press and release the SCAN adj key repeat to display eac...

Страница 9: ... 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 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 Step 4 Press the S...

Страница 10: ...d pressure 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 number is accepted the meter will display bUSY for 10 seconds and then resum...

Страница 11: ...ailable at the terminal 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 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...

Страница 12: ...ALARM pin 3 and CH1 CH2 pin 4 All three alarm signals are referenced to the ground on terminal strip pin 1 A 5 volt level i e a TTL high level on either the LOW ALARM or HIGH ALARM output indicates an alarm condition The corresponding LED indicator on the meter front panel will also be lit If the CH1 CH2 output i e pin 4 is at 5 volts the alarm condition applies to Channel 1 if at 0 volts the alar...

Страница 13: ...UCER IS SLIGHTLY SENSITIVETOACCELERATIONINTHEPRESSUREFITTINGAXIS SEEAPPLICABLE 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 ...

Страница 14: ...se 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 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 F...

Страница 15: ...CH2 pin 12 pin 13 and pin 15 Enter the pressure that corresponds to zero volts input see examples Slope Full scale pressure offset pressure Full scale voltage offset voltage Offset Pressure voltage Slope x voltage Pressure Slope x voltage offset Slope 1000 0 200 5 0 Offset 0 2000 x 0 0 Pressure 0 200 x 0 0 0 Pressure Ref 200 x 2 4995 0 499 9 Definition of offset Offset pressure and offset voltage ...

Страница 16: ... 4 4 Pressure Ref 4 x 2 4993 4 9 597 Slope 14 70 14 70 5 88 2 5 2 5 Offset 14 70 5 88 x 2 5 0 Pressure 0 0 x 5 88 0 0 Pressure Ref 2 5082 x 5 88 0 14 75 8 4 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 th...

Страница 17: ...inition of offset Offset pressure and offset mA refers to the minimum pressure input and current output of the transducer e g a 4 20 mA output 0 50 psi transmitter 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 pressu...

Страница 18: ...L 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 OF 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 ...

Страница 19: ...L_C the proceed to Step 7 Step 6 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 Step 7a Press and hold and SCAN adj key and the decimal point will move to the left release key at desired location While the key is pressed ...

Страница 20: ...o move the numbers up 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...

Страница 21: ...ating 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 calibra...

Страница 22: ...22 This page is intentionally left blank ...

Страница 23: ... internal N A Pressure media Positive Reference Gas or liquid compatible with 17 4 PH stainless steel Clean dry air or other gases Non corrosive non condensible Maximum l ine pressure 1000 psig 204D only Gases compatible with stainless 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 condensible Max...

Страница 24: ...3 85 in x 1 99 in 98 x 50 mm Manometer 3 85 in x 3 74 in 98 x 95 mm Accuracy readout only At 73 F 23 C 0 01 R 1 digit At 60 F to 95 F 16 to 35 C 0 04 R 1 digit Analog output Transducers Same as transducer output voltage Transmitters No analog output the DATUM 2000 terminates the current loop Physical Operating temperature 32 to 130 F 0 to 55 C Storage temperature 40 to185 F 40 to 85 C Width 3 59 i...

Страница 25: ... Current inputs 0 to 20 mA Maximum reading 31999 Minimum reading 9999 Input specifications Transmitter input signal 4 20 mA Transmitter input impedance 150 ohm Transmitter input voltage drop 3 VDC max Transducer input signal 11 VDC to 11 VDC Transducer input impedance 45K ohm 1 Slide the panel mount tab with screw into slot on the side of the meter as shown ...

Страница 26: ...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 Note You may need to bend the panel mount tabs to their new position after they are used ...

Страница 27: ... protection against harmful interference 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 ...

Страница 28: ...e 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 c 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 materia...

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