Orbit Merret OM 402UNI Manual
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Orbit Merret OM 402UNI Manual

4 digit programmable universal instrument. dc voltmeter/ammeter,process monitor, ohmmeter,thermometer for pt 100/500/1 000,thermometer for ni 1 000, thermometer for,thermocouples displays for lin ,potentiometers.
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GUARANTEE
Y
E
OM 402UNI
4 DIGIT PROGRAMMABLE
UNIVERSAL INSTRUMENT
DC VOLTMETER/AMMETER
PROCESS MONITOR
OHMMETER
THERMOMETER FOR PT 100/500/1 000
THERMOMETER FOR NI 1 000
THERMOMETER FOR THERMOCOUPLES
DISPLAYS FOR LIN. POTENTIOMETERS
A
R
S

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Summary of Contents for Orbit Merret OM 402UNI

  • Page 1 GUARANTEE OM 402UNI 4 DIGIT PROGRAMMABLE UNIVERSAL INSTRUMENT DC VOLTMETER/AMMETER PROCESS MONITOR OHMMETER THERMOMETER FOR PT 100/500/1 000 THERMOMETER FOR NI 1 000 THERMOMETER FOR THERMOCOUPLES DISPLAYS FOR LIN. POTENTIOMETERS...
  • Page 2 Supply of energy from the main line has to be isolated from the measuring leads. ORBIT MERRET, spol. s r.o. Vodnanska 675/30 198 00 Prague 9 Czech Republic Tel: +420 - 281 040 200 Fax: +420 - 281 040 299 e-mail: orbit@merret.cz www.orbit.merret.cz INSTRUCTIONS FOR USE OM 402UNI...

  • Page 3: Table Of Contents

    Declaration of conformity ................84 INSTRUCTIONS FOR USE OM 402UNI...

  • Page 4: Instrument Description

    Two models are available: UNI and PWR. Type OM 402UNI is a multifunction instrument with the option of configuration for 7 various input options, easily configurable in the instrument menu. By further options of input modules it is feasible to measure larger ranges of DC voltage and current or increase the number of inputs up to 4 (applies for PM).
  • Page 5 OML cable to connect the instrument to PC. It is manufactured in version RS 232 and USB and is compatible with all ORBIT MERRET instruments. Another option for connection is with the aid of data output RS 232 or RS 485 (without the need of the OML cable).

  • Page 6: Instrument Connection

    Linear potentiometer (min. 500 Ϊ) OPTION “A” Type Input I Input U 0…1 A/0…5 A ±120 V/±250 V/±500 V OPTION “B” Type Input 2, 3, 4/I Input 2, 3, 4/U 0…5/20 mA/4…20 mA ±2/±5/±10/±40 V INSTRUCTIONS FOR USE OM 402UNI...
  • Page 7 DC, PM RTD, OHM, Ni S+ S- Excitation has the minus pole common with the input - the bracket no. 20 - GND and you may set its value by trimmer above the bracket no. 17 INSTRUCTIONS FOR USE OM 402UNI...

  • Page 8: Instrument Setting

    Linear menu structure • For user operation • Menu items are set by the user (Profi/Light) as per request • Access is not password protected • Optional menu structure either tree (PROFI) or linear (LIGHT) INSTRUCTIONS FOR USE OM 402UNI...
  • Page 9 The operation program is freely accessible (www.orbit.merret.cz) and the only requirement is the purchase of OML cable to connect the instrument to PC. It is manufactured in version RS 232 and USB and is compatible with all ORBIT MERRET instruments.

  • Page 10: Symbols Used In The Instructions

    THE MINUS SIGN Setting the minus sign is performed by the key on higher decade. When editing the item substraction must be made from the current number (e.g..: 013 > , on class 100 > -87) INSTRUCTIONS FOR USE OM 402UNI...

  • Page 11: Control Keys Function

    - current setting is displayed return to item SHOW item will not be displayed in USER menu item will be displayed in USER menu with the option of setting SHOW item will be solely displayed in USER menu INSTRUCTIONS FOR USE OM 402UNI...
  • Page 12 Only items necessary for instrument setting • Access is password protected • Possibility to arrange items of the „User“ menu • Linear menu structure Preset from manufacture Password “0” Menu LIGHT USER menu Setting the items INSTRUCTIONS FOR USE OM 402UNI...
  • Page 13 MENU LIGHT CALIB. SETTIN. Calibration - only for “DU” C. MIN C. MAX Language selection New password LANG. ENGL. N. PASS. Identifi cation OM 402..IDENT. Return to measuring mode 142. 8 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 14 RTD-Pt Thermometer for sensors Pt RTD-Ni Thermometer for sensors Ni Thermometer for thermocouples Display for lin. potentiometer Type “PM” Example MODE Type „DC“ Type “PM” Type “DU” Type “OHM“ Type “RTD-Pt“ Type “RTD-Ni“ Type “T/C“ INSTRUCTIONS FOR USE OM 402UNI...
  • Page 15 SETTING INSTRUCTIONS FOR USE OM 402UNI...
  • Page 16 - the DP is automatically shifted after the value is confirmed - range of the setting is -99999…999999 Projection for 0 mV > MIN A = 0 Example MAX A INSTRUCTIONS FOR USE OM 402UNI...
  • Page 17 - positioning of the DP is set here in the measuring mode Example Projection of DP on display > 00000.o *subsequent item on the menu depends on instrument equipment 0000. oo 00000. o MENU INSTRUCTIONS FOR USE OM 402UNI...
  • Page 18 - the DP is automatically shifted after the value is confirmed - range of the setting is -99999…999999 Example Projection for 0 mA > MIN A = -25 MAX A INSTRUCTIONS FOR USE OM 402UNI...
  • Page 19 - positioning of the DP is set here in the measuring mode Projection of DP on display > 00000.o Example * subsequent item on the menu depends on instrument equipment 0000. oo 00000. o MENU INSTRUCTIONS FOR USE OM 402UNI...
  • Page 20 - the DP is automatically shifted after the value is confirmed - range of the setting is -99999…999999 = 100 Example Projection for the end > MAX A = 5000 0000 1000 2000 3000 4000 5000 FORM. A INSTRUCTIONS FOR USE OM 402UNI...
  • Page 21 Projection of DP on display > 0000.oo * subsequent item on the menu depends on instrument equipment 0000. oo MENU Calibration of the beginning and the end of range of linear potentiometer is on page 35 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 22 - the DP is automatically shifted after the value is confirmed - range of the setting is -99999…999999 Projection for 0 Ohm > MIN A = 0 Example MAX A INSTRUCTIONS FOR USE OM 402UNI...
  • Page 23 - positioning of the DP is set here in the measuring mode Projection of DP on display > 00000.o Example * subsequent item on the menu depends on instrument equipment 0000. oo 00000. o MENU INSTRUCTIONS FOR USE OM 402UNI...
  • Page 24 4-WIRE Selection of the type of CONECT. sensor connection Menu Connectiion 2-WIRE 2-wire 3-WIRE 3-wire = 2- WIRE 4-WIRE 4-wire Example Type of connection - 3 wire > CONNEC = 3-WIRE 2-WIRE 3-WIRE FORM. A INSTRUCTIONS FOR USE OM 402UNI...
  • Page 25 - positioning of the DP is set here in the measuring mode Example Projection of DP on display > 000000 * subsequent item on the menu depends on instrument equipment 00000. o 000000 MENU INSTRUCTIONS FOR USE OM 402UNI...
  • Page 26 4-WIRE Selection of the type of CONECT. sensor connection Menu Connection 2-WIRE 2-wire 3-WIRE 3-wire = 2- WIRE 4-WIRE 4-wire Type of connection - 3 wire > CONNEC = 3-WIRE Example 2-WIRE 3-WIRE FORM. A INSTRUCTIONS FOR USE OM 402UNI...
  • Page 27 - positioning of the DP is set here in the measuring mode Example Projection of DP on display > 000000 *subsequent item on the menu depends on instrument equipment 00000. o 000000 MENU INSTRUCTIONS FOR USE OM 402UNI...
  • Page 28 EXT.1TC invaried and constant temperature when using EXT.2TC compensation box Type of connection > CONECT. = EXT. 2TC Example EXT. 1 TC EXT. 2 TC C. J . TEM. INSTRUCTIONS FOR USE OM 402UNI...
  • Page 29 * subsequent item on the menu depends on instrument equipment 00000. o 000000 MENU For thermocoule type “B” the items CONECT. Method and procedure of setting the cold junctions is and C.J. TEM. are not available described in separate chapter on page 74 INSTRUCTIONS FOR USE OM 402UNI...

  • Page 30: Setting Limits

    Setting limit 2 > L 2 = 53.1 0531 00531 * subsequent item on the menu depends on instrument 000531 000531. 00053. MENU equipment Items for “Limits” and “Analog output” are acces- sible only if incorporated in the instrument. INSTRUCTIONS FOR USE OM 402UNI...
  • Page 31 “PROFI” menu - range of the setting is -99999…999999 = 80 - default “Hysteresis”=0 “Delay”=0 Example Setting limit 4 > L 4 = 103 * subsequent item on the menu depends on instrument MENU equipment INSTRUCTIONS FOR USE OM 402UNI...
  • Page 32 - range of the setting is -99999…999999 Example Display value for the beginning of the AO range > MIN A.O. = 0 MAX A. O . Items for “Limits” and “Analog output” are acces- sible only if incorporated in the instrument. INSTRUCTIONS FOR USE OM 402UNI...
  • Page 33 MAX A. O . value to the end of the AO range - range of the setting is -99999…999999 Display value for the end of the AO range > MAX A.O. = 120 Example MENU INSTRUCTIONS FOR USE OM 402UNI...

  • Page 34: Restoration Of Manufacture Setting

    Restoration of manufacture setting > SETTIN. Type „DC“ * subsequent item on the menu depends on instrument type, for “DU” > “K. MIN” SETTIN. LANG. Type “PM” Type “DU” Type “OHM“ Type “RTD-Pt“ Type “RTD-Ni“ Type “T/C“ INSTRUCTIONS FOR USE OM 402UNI...
  • Page 35 - prior confirming the flashing “YES” sign the potentiometer traveller has to be in given idle position Example Calibration of the end of the range > C. MAX LANG. INSTRUCTIONS FOR USE OM 402UNI...
  • Page 36 - access password for menu LIGHT/PROFI - in the event of loss universal password “8177” may be used - range of the number code 0…9999 Example New password - 341 > N.PASSW. = 341 IDENT. INSTRUCTIONS FOR USE OM 402UNI...
  • Page 37 - the display shows the type of instrument menu is automatically exited and the indication, SW number, SW version and instrument restores the measuring mode current input setting (Mode) Return to measuring mode 142. 8 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 38 • access into LIGHT menu and transition to item „MENU“ with subsequent selection of „PROFI“ and confirmation • after re-entering the menu the PROFI type is active • access is password protected (if it was not set under item N. PASS. =0) INSTRUCTIONS FOR USE OM 402UNI...
  • Page 39 SETTING INSTRUCTIONS FOR USE OM 402UNI...
  • Page 40 - resetting memory with data measured in - resetting memory with data measured in the “FAST” or “RTC” modes the “FAST” or “RTC” modes - not in standard equipment - not in standard equipment INSTRUCTIONS FOR USE OM 402UNI...
  • Page 41 Thermometer for Pt xxx Thermometer for Pt xxx RTD-Pt RTD-Pt LEADS LEADS Thermometer for Ni xxxx Thermometer for Ni xxxx RTD-Ni RTD-Ni Thermometer Thermometer pro thermocouples pro thermocouples Display for linear Display for linear potentiometers potentiometers INSTRUCTIONS FOR USE OM 402UNI...
  • Page 42 CL. TA. MENU TEMP. V. TARE TMP. LE NO CHAN. A. FIL. A MAT. FN. MIN MAX. LIM. 1 P. TARE COLD. T. . ENTER MNU. LE. LIM. 1 LIM. 2. LIM. 3 LIM. 4 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 43 DISP. PERM. CHAN. A FIL. A MAT. FN. MIN MAX BRIGHT. 0% 25% 50% 75% 100% Upon delay exceeding 60 s the programming mode is automatically discontinued and the instrument itself restores the measuring mode INSTRUCTIONS FOR USE OM 402UNI...
  • Page 44 6. 2 -10k 6. 2 -10k T/C J T/C J T/C K T/C K T/C N T/C N T/C R T/C R LIN. P OT. LIN. P OT. T/C S T/C S T/C T T/C T INSTRUCTIONS FOR USE OM 402UNI...
  • Page 45 74 described in separate chapter on page 74 For thermocoule type “B” the items CONECT. For thermocoule type “B” the items CONECT. and C.J. TEM. are not available and C.J. TEM. are not available INSTRUCTIONS FOR USE OM 402UNI...
  • Page 46 SERVIC. SERVIC. EXT. IN. EXT. IN. CONECT. CONECT. short-circuit short-circuit KEYS KEYS AD . R ES. AD . R ES. LEADS LEADS INSTRUCTIONS FOR USE OM 402UNI...

  • Page 47: Setting The Real Time

    Setting procedure is identical for EXT. 2 and EXT. 3 Setting procedure is identical for EXT. 2 and EXT. 3 Setting procedure is identical for EXT. 2 and EXT. 3 Setting procedure is identical for EXT. 2 and EXT. 3 INSTRUCTIONS FOR USE OM 402UNI...

  • Page 48: Optional Accessory Functions Of The Keys

    “TEMPOR.” is displayed on superior menu level, whererequired selection is menu level, whererequired selection is performed performed Tare function activation Tare function activation TARE TARE Setting is identical for LEFT, DOWN, UP and ENTER INSTRUCTIONS FOR USE OM 402UNI...
  • Page 49 “P. TARE” value Temporary projection of Temporary projection of COLD. J. COLD. J. “CJC” value “CJC” value Setting is identical for LEFT, DOWN, UP and ENTER Setting is identical for LEFT, DOWN, UP and ENTER INSTRUCTIONS FOR USE OM 402UNI...
  • Page 50 KEYS Direct access to item Direct access to item LIM 4 LIM 4 “LIM 4” “LIM 4” Setting is identical for LEFT, DOWN, UP and ENTER Setting is identical for LEFT, DOWN, UP and ENTER INSTRUCTIONS FOR USE OM 402UNI...
  • Page 51 SETTING INSTRUCTIONS FOR USE OM 402UNI...
  • Page 52 P. T AR. A P. T AR. A shows “T” symbol shows “T” symbol SERVIC. SERVIC. DESC. A DESC. A - range of the setting is 0…999999 - range of the setting is 0…999999 SAVE A SAVE A INSTRUCTIONS FOR USE OM 402UNI...
  • Page 53 Setting constants CON. F. A. CON. F. A. - this menu item is always displayed after - this menu item is always displayed after selection of particular type of filter selection of particular type of filter INSTRUCTIONS FOR USE OM 402UNI...
  • Page 54 - description is cancelled by code 00 - description is cancelled by code 00 - RTD - RTD = °C = °C none none DU OHM DU OHM Table of signs on page 77 Table of signs on page 77 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 55 FORM. A Measured data are Measured data are SERVIC. SERVIC. DESC. A DESC. A stored in the memory stored in the memory Measured data are not Measured data are not SAVE A SAVE A stored stored INSTRUCTIONS FOR USE OM 402UNI...
  • Page 56 CON. - CON. - calculation of mat. calculation of mat. functions functions - this menu is displayed only after selection - this menu is displayed only after selection of given mathematic function of given mathematic function INSTRUCTIONS FOR USE OM 402UNI...
  • Page 57 CON. E CON. F CON. F = no description = no description FORM. M. FORM. M. DESC. M. DESC. M. Table of signs on page 77 Table of signs on page 77 SAVE M. SAVE M. INSTRUCTIONS FOR USE OM 402UNI...
  • Page 58 MAT. FN. MAT. FN. CHAN. A CHAN. A From “Channel A” after From “Channel A” after FIL. A FIL. A digital filters processing digital filters processing From “Mathematic From “Mathematic MAT. FN. MAT. FN. functions” functions” INSTRUCTIONS FOR USE OM 402UNI...
  • Page 59 SETTING INSTRUCTIONS FOR USE OM 402UNI...
  • Page 60 STOP prohibited prohibited Rewriting values Rewriting values SERVIC. SERVIC. AN. OUT. AN. OUT. PERIOD. PERIOD. permitted, the oldest get permitted, the oldest get DISP. DISP. TRIGER TRIGER rewritten by the latest rewritten by the latest INSTRUCTIONS FOR USE OM 402UNI...
  • Page 61 Reser. of 90 % memory DISP. DISP. prior init. of data logging prior init. of data logging After initiation of data After initiation of data ROLL ROLL logging the memory is logging the memory is cycclically transcribed cycclically transcribed INSTRUCTIONS FOR USE OM 402UNI...
  • Page 62 “TIM. L.” indicating the time active and “TIM. L.” indicating the time during which is the output active during which is the output active Setting is identical for LIM 2, LIM 3 and LIM 4 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 63 - for type “HYSTER” and “DOSE” - for type “HYSTER” and “DOSE” Setting is identical for LIM 2, LIM 3 and LIM 4 Setting is identical for LIM 2, LIM 3 and LIM 4 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 64 BAUD - setting in range 0…31 - setting in range 0…31 = 00 = 00 CHANNE. CHANNE. LIMITS LIMITS ADDR. ADDR. OUTPUT. OUTPUT. DATA DATA PROT. PROT. SERVIC. SERVIC. AN. OUT. AN. OUT. DISP. DISP. INSTRUCTIONS FOR USE OM 402UNI...
  • Page 65 “Channel A” after digital filters processing digital filters processing AO evaluation AO evaluation MAT. FN. MAT. FN. from “Math.functions” from “Math.functions” AO evaluation AO evaluation from “Min.value” from “Min.value” AO evaluation AO evaluation from “Max.value” from “Max.value” INSTRUCTIONS FOR USE OM 402UNI...
  • Page 66 MAX A. O . value to the end of the value to the end of the AO range AO range - range of the setting is -99999…999999 - range of the setting is -99999…999999 = 100 = 100 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 67 Display brightness - 25 % Display brightness - 50 % Display brightness - 50 % Display brightness - 75 % Display brightness - 75 % Display brightness - 100 % Display brightness - 100 % 100% 100% INSTRUCTIONS FOR USE OM 402UNI...
  • Page 68 Active PROFI menu PROFI PROFI - complete programming menu for expert - complete programming menu for expert users users - tree menu - tree menu Change of setting is valid upon next access into menu INSTRUCTIONS FOR USE OM 402UNI...
  • Page 69 USER - LIGHT menu adds items from manufcture to LIGHT menu deletes data stored in FLASH cancels or linearization tables clears tare clears conduct resistances restore manufacture calibration restore manufacture setting INSTRUCTIONS FOR USE OM 402UNI...

  • Page 70: Selection Of Instrument Menu Language Version

    - range of the number code is 0…9999 SERVIC. SERVIC. LANG. LANG. - universal password in the event of loss is - universal password in the event of loss is „8177“ „8177“ N. PASS. N. PASS. IDENT. IDENT. INSTRUCTIONS FOR USE OM 402UNI...

  • Page 71: Instrument Identification

    - if the SW version reads a letter on first OUTPUT. OUTPUT. CALIB. CALIB. position, it is a customer SW position, it is a customer SW SERVIC. SERVIC. LANG. LANG. N. PASS. N. PASS. IDENT. IDENT. INSTRUCTIONS FOR USE OM 402UNI...

  • Page 72: Setting Items Into "User" Menu

    - current setting is displayed return to item SHOW item will not be displayed in USER menu item will be displayed in USER menu with editing option SHOW item will be solely displayed in USER menu INSTRUCTIONS FOR USE OM 402UNI...
  • Page 73 CL. TAR. LIM 1 0 (sequence not determined) LIM 2 LIM 3 Upon entering USER menu (key ) items will be projected in the following sequence: LIM 3 > LIM 2 > CL.TAR. > LIM 1 INSTRUCTIONS FOR USE OM 402UNI...
  • Page 74 CONECT. INT. 1 TC EXT. 1 TC – when measuring temperature without reference thermocouple the error in measured data may be as much as 10°C (applies for setting CONECT. EXT. 1 TC INSTRUCTIONS FOR USE OM 402UNI...

  • Page 75: Data Protocol

    Data - usually signs “0“…“9“, “-“, “.“; (D) - DP. and (-) may prolong data …57 Relay and Tare status Positive command confi rmation (ok) Negative command confi rmation (bad) > Beginning of the data transmitted INSTRUCTIONS FOR USE OM 402UNI...

  • Page 76: Error Statements

    E. . DATA repeated error statement send instrument for repair Memory was empty upon repeated error statement send instrument for E. CLR. (presetting carried out) repair, possible failure in calibration INSTRUCTIONS FOR USE OM 402UNI...
  • Page 77 0 to 95. Numeric value of given character equals the sum of the numbers on both axes of the table. Description is cancelled by entering characters with code 00 " & < > INSTRUCTIONS FOR USE OM 402UNI...

  • Page 78: Technical Data

    B (PtRh30-PtRh6) 300°...1 820°C S (PtRh10-Pt) -50°...1 760°C R (Pt13Rh-Pt) -50°...1 740°C N (Omegalloy) -200°...1 300°C Voltage of lin. pot. 2,5 VDC/6 mA min. potentiometer resistance is 500 Ohm * values apply for resistance load INSTRUCTIONS FOR USE OM 402UNI...
  • Page 79 - fuse inside (T 630 mA) MECHANIC PROPERTIES Material: Noryl GFN2 SE1, incombustible UL 94 V-I Dimensions: 96 x 48 x 120 mm Panel cut-out: 90,5 x 45 mm PI - Primary insulation, DI - Double insulation INSTRUCTIONS FOR USE OM 402UNI...
  • Page 80 3. press the travellers close to the panel Instrument disassembly 1. slide a screw driver under the traveller wing 2. turn the screw driver and remove the traveller 3. take the instrument out of the panel INSTRUCTIONS FOR USE OM 402UNI...

  • Page 81: Certificate Of Guarantee

    The manufacturer performs guarantee and post.guarantee repairs unless provided for otherwise. performs guarantee and pos nd post.guarantee repairs unless provided for otherwise. rantee repairs unless provided for otherw Stamp, signature Stam gnature INSTRUCTIONS FOR USE OM 402UNI...
  • Page 82 NOTE INSTRUCTIONS FOR USE OM 402UNI...
  • Page 83 NOTE INSTRUCTIONS FOR USE OM 402UNI...

  • Page 84: Declaration Of Conformity

    ORBIT MERRET, spol.s r.o. and that our company has taken all measures to ensure conformity of all products of the type listed hereunder, which are being brought out to the market, with technical documentation and requirements of the appurtenant statutory orders.

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