Orbit Merret OMD 202UNI-B User Manual
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Orbit Merret OMD 202UNI-B User Manual

4/6 digit programmable large display
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USER MANUAL
OMD 202UNI - B
148. 9 ~C
-263mm
4/6 DIGIT PROGRAMMABLE
LARGE DISPLAY
DC VOLTMETER/AMMETER
PROCESS MONITOR
OHMMETER
453mV
THERMOMETER FOR PT 100/500/1 000
THERMOMETER FOR NI 1 000
THERMOMETER FOR THERMOCOUPLES
DISPLAYS FOR LIN. POTENTIOMETERS
Outstanding Measurement Value

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Summary of Contents for Orbit Merret OMD 202UNI-B

  • Page 1 USER MANUAL OMD 202UNI - B 148. 9 ~C -263mm 4/6 DIGIT PROGRAMMABLE LARGE DISPLAY DC VOLTMETER/AMMETER PROCESS MONITOR OHMMETER 453mV THERMOMETER FOR PT 100/500/1 000 THERMOMETER FOR NI 1 000 THERMOMETER FOR THERMOCOUPLES DISPLAYS FOR LIN. POTENTIOMETERS Outstanding Measurement Value...
  • Page 2 The recorders are applicable for unlimited use in agricultural and industrial areas. ORBIT MERRET, spol. s r.o. Vodňanská 675/30 198 00 Praha 9 Czech republic Tel: +420 - 281 040 200 Fax: +420 - 281 040 299 orbit@merret.eu www.orbit.merret.eu 2 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 3: Table Of Contents

    6.1.3 Setting the Real Time ....66 6.1.4 External input function selection ..66 6.1.5 Optional accessory functions of the keys . . . 68 INSTRUCTIONS FOR USE OMD 202UNI-B | 3...

  • Page 4: Instrument Description

    Peak value: the display shows only max. or min. value Mat. operations: polynome, 1/x, logarithm, exponential, power, root, sin x * only for types DC, PM, DU 4 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 5 The operation program is freely accessible (www.orbit.merret.eu) 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. 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

    5-6 connect L- to (-) source terminalconnected do not disconnect RS 485 line should have a linear structure - wires (ideally shielded and twisted) should lead from one device to another. 6 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 7: Instrument Connection

    Maximum of 250 mA may be connected to “INPUT - I” (bracket no. 8) , i.e. 10-times range overload. Mind the correct connection/mistaking of current - voltage input. Destruction of measuring resistance in current input (15R) may occur. INSTRUCTIONS FOR USE OMD 202UNI-B | 7...
  • Page 8 Example connection of a 3-wire sensor with current signal output powered by instrument’s excitation Supply (+) Output (+) GND (-) 01 02 03 04 05 06 07 08 Excitation INPUT - I Supply (+) Output (+) 8 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 9 By connecting resistor R* we elimintate error message E. I.OV. (input overflow) when the measured resistance is disconnected Terminals for the measured resistance 01 02 03 04 05 06 07 08 * resistor 100...1000 Ohm INSTRUCTIONS FOR USE OMD 202UNI-B | 9...

  • Page 10: Instrument Setting

    Linear menu structure SETTING USER 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) 10 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 11 The operation program is freely accessible ((www.orbit.merret.eu) and the only requirement is the purchase of OML cable to con- nect the instrument to PC. It is manufactured in version RS 232 and USB and is compatible with all ORBIT MERRET instruments.

  • Page 12: Symbols Used In The Instructions

    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) 12 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 13: Control Keys Function

    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 OMD 202UNI-B | 13...

  • Page 14: Setting "Light" Menu

    Linear menu structure Preset from manufacture Password “0” Menu LIGHT USER menu Setting the items Upon delay exceeding 60 s the programming mode is automatically discontinued and the instrument itself restores the measuring mode 14 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 15 Calibration - only for “DU” Language selection New password C. MIN C. MAX LANG. ENGL. PAS. LI. Instrument Identifi cation SW version Input IDENT. OMD202UNI-B 78-001 4. INP. 142. 8 Return to measuring mode INSTRUCTIONS FOR USE OMD 202UNI-B | 15...
  • Page 16 Active inputs 1, 2 and 3 4. INP. Active inputs 1, 2, 3 and 4 = 4 Inputs Number of active inputs - 1 > INPUTS = 1. INP. Example 4. INP. 1. INP. TYPE 1 16 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 17 Thermometer for sensors Cu Type “PM” Example MODE 1  Type DC  Type PM  Type OHM  Type RTD-Pt  Type RTD-Ni  Type T/C  Type DU  Type RTD-Cu INSTRUCTIONS FOR USE OMD 202UNI-B | 17...
  • Page 18 0-10 V ±10 V 0-40 V ±40 V Er.4-20 4…20 mA, with error statement of „underfl ow“ upon signal smaller than 3,36 mA Range 0…20 mA Example 4-20mA 0-2 V MODE 2   18 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 19 Selection of the type of sensor   connection Menu Connection 2-WIRE 2-wire = 2- wire 3-WIRE 3-wire 4-WIRE 4-wire Type of connection - 3 wire > CONECT. = 3-WIRE Example 2-WIRE 3-WIRE MODE 2   INSTRUCTIONS FOR USE OMD 202UNI-B | 19...
  • Page 20 Selection of the type of sensor   connection Menu Connection 2-WIRE 2-wire = 2- DRAT 3-WIRE 3-wire 4-WIRE 4-wire Type of connection - 3 wire > CONECT. = 3-WIRE Example 2-WIRE 3-WIRE MODE 2   20 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 21 Selection of the type of sensor   connection Menu Connection 2-WIRE 2-wire = 2-WIRE 3-WIRE 3-wire 4-WIRE 4-wire Type of connection - 3 wire > CONECT. = 3-WIRE Example 2-WIRE 3-WIRE MODE 2   INSTRUCTIONS FOR USE OMD 202UNI-B | 21...
  • Page 22 C. J . TEM. For thermocoule type “B” the items CONECT. Method and procedure of setting the cold and C.J. TEM. are not available junctions is described in separate chapter on page 98 22 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 23 C. J . TEM. Nastavení teploty studeného   konce - range 0…99°C with compensation box = 23 Setting temperature of cold junction > C.J. TEM. = 35 Example MODE 2   INSTRUCTIONS FOR USE OMD 202UNI-B | 23...
  • Page 24 Selection of the type of sensor   connection Menu Connection 2-WIRE 2-wire = 2-WIRE 3-WIRE 3-wire 4-WIRE 4-wire Type of connection - 3 wire > CONNEC = 3-WIRE Example 2-WIRE 3-WIRE MODE 2   24 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 25 148. 9 ~C -263mm SETTING LIGHT 453mV INSTRUCTIONS FOR USE OMD 202UNI-B | 25...
  • Page 26 ±5 V 0-10 V ±10 V 0-40 V ±40 V Er.4-20 4…20 mA, with error statement of „underfl ow“ upon signal smaller than 3,36 mA Range 0…20 mA Example 4-20mA 0-2 V MODE 4 26 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 27 ±5 V 0-10 V ±10 V 0-40 V ±40 V Er.4-20 4…20 mA, with error statement of „underfl ow“ upon signal smaller than 3,36 mA Range 0…20 mA Example 4-20mA 0-2 V MIN b INSTRUCTIONS FOR USE OMD 202UNI-B | 27...
  • Page 28 - range of the setting is -99999…999999 confirmed - position of the DP does not affect display projection = 100 Projection for 150 mV > MAX A = 3500 Example 0500 1500 2500 3500 FORM. A 28 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 29 - positioning of the DP is set here in the measuring = 0000.oo mode Projection of DP on display > 00000.o Example 0000. o o 00000. o COL. 0 A *subsequent item on the menu depends on instrument equipment  INSTRUCTIONS FOR USE OMD 202UNI-B | 29...
  • Page 30 - range of the setting is -99999…999999 - position of the DP does not affect display projection = 100 Projection for 20 mA > MAX A = 2500 Example 0500 1500 2500 FORM. A 30 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 31 - positioning of the DP is set here in the measuring = 0000.oo mode Projection of DP on display > 0000.oo Example 0000. o o COL. 0 A *subsequent item on the menu depends on instrument equipment   INSTRUCTIONS FOR USE OMD 202UNI-B | 31...
  • Page 32 - range of the setting is -99999…999999 - position of the DP does not affect display projection = 100 Projection for 10 kOhm > MAX A = 10000 Example 0000 00000 10000 FORM. A 32 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 33 - positioning of the DP is set here in the measuring = 0000.oo mode Projection of DP on display > 00000.o Example 0000. o o 00000. o COL. 0 A *subsequent item on the menu depends on instrument equipment   INSTRUCTIONS FOR USE OMD 202UNI-B | 33...
  • Page 34 - positioning of the DP is set here in the measuring = 00000.o mode Projection of DP on display > 000000 Example 00000. o 000000 COL. 0 A *subsequent item on the menu depends on instrument equipment   34 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 35 - positioning of the DP is set here in the measuring = 00000.o mode Projection of DP on display > 000000 Example 00000. o 000000 COL. 0 A *subsequent item on the menu depends on instrument equipment   INSTRUCTIONS FOR USE OMD 202UNI-B | 35...
  • Page 36 - range of the setting is -99999…999999 - position of the DP does not affect display projection = 100 Projection for end > MAX A = 5000 Example 0000 1000 2000 3000 4000 5000 FORM. A 36 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 37 - positioning of the DP is set here in the measuring = 00000.o mode Projection of DP on display > 000000 Example 00000. o 000000 COL. 0 A *subsequent item on the menu depends on instrument equipment   INSTRUCTIONS FOR USE OMD 202UNI-B | 37...
  • Page 38 - the color changes if the displayed value is higher than the value set in LIM.1 A Selection of display color if the data is > COL.1 A = green Example ORANGE GREEN LIM. 2 A 38 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 39 - the color changes if the displayed value is higher than the value set in LIM.2 A Selection of display color if the data is > COL.2 A = orange Example ORANGE MIN b INSTRUCTIONS FOR USE OMD 202UNI-B | 39...
  • Page 40 - range of the setting is -99999…999999 - position of the DP does not affect display projection = 100 Projection for 20 mA > MAX b = 2500 Example 0500 1500 2500 FORM. B 40 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 41 Selection of display color   > primary setting = green Selection of display color - primary > COL.0 B = red Example GREEN LIM. 1 B Setting is identical as for “Channel A” INSTRUCTIONS FOR USE OMD 202UNI-B | 41...
  • Page 42 - range of the setting is -99999…999999 - position of the DP does not affect display projection = 100 Projection for 20 mA > MAX C = 2500 Example 0500 1500 2500 FORM. C 42 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 43 Selection of display color   > primary setting = green Selection of display color - primary > COL.0 C = red Example GREEN LIM. 1 C Setting is identical as for “Channel A” INSTRUCTIONS FOR USE OMD 202UNI-B | 43...
  • Page 44 - range of the setting is -99999…999999 - position of the DP does not affect display projection = 100 Projection for 20 mA > MAX D = 2500 Example 0500 1500 2500 FORM. D 44 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 45 Selection of display color   > primary setting = green Selection of display color - primary > COL.0 D = red Example GREEN LIM. 1 D Setting is identical as for “Channel A” INSTRUCTIONS FOR USE OMD 202UNI-B | 45...
  • Page 46 Setting limit 2 > LIM L.2 = 53.1 Example 0531 00531 000531 000531. 00053. ADR. IR. * subsequent item on the menu depends on instrument equipment Items for “Limits” and “Analog output” are accessible only if incorporated in the instrument. 46 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 47 - contingent modification of hysteresis or delay „Hystresis”=0, „Delay”=0 may be performed in „PROFI“ menuu Setting limit4 > LIM L 4 = 103 Example ADR. IR. * subsequent item on the menu depends on instrument equipment INSTRUCTIONS FOR USE OMD 202UNI-B | 47...
  • Page 48 Display value for the beginning of the AO range > MIN A.O. = 0 Example MAX A. O . Items for “Limits” and “Analog output” are accessible only if incorporated in the instrument. 48 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 49   the end of the AO range - range of the setting is -99999…999999 = 100 Display value for the end of the AO range > MAX A.O. = 120 Example ADR. IR. INSTRUCTIONS FOR USE OMD 202UNI-B | 49...
  • Page 50 > tree menu structureu > linear tree structure = LIGHT Menu LIGHT > MENU = LIGHT Example LIGHT RE. CAL. 50 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 51 RE. SET. TYPE LANG. type, for “DU” > “C. MIN”  Type „DC“  Type “PM”  Type “OHM“  Type “RTD-Pt“  Type “RTD-Ni“  Type “T/C“  Type “DU”  Type “RTD-Cu“ INSTRUCTIONS FOR USE OMD 202UNI-B | 51...
  • Page 52 - prior confirming the flashing “YES” sign the potentiometer traveller has to be in given idle position Calibration of the end of the range > C. MAX Example LANG. 52 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 53 SW number, SW version and current the measuring mode input setting (Mode) - if SW version contains a letter in first position, then it is a customer SW 142. 8 Return to measuring mode INSTRUCTIONS FOR USE OMD 202UNI-B | 53...
  • Page 54 NO  CHAN. A  FIL. A  MAT. FN. .  MIN  MAX  LIM. 1    P. TARE  COLD. J. ENTER MNU. LE. LIM. 1  LIM. 2  LIM. 3  LIM. 4 54 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 55 CHAN. A  FIL. A  CHAN. B  FIL. B  CHAN. C    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 OMD 202UNI-B | 55...
  • Page 56 • password protected access (unless set as follows under the item SERVIC. > N. PASS. > LIGHT =0) • for access to LIGHT menu passwords for LIGHT and PROFI menu may be used 56 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 57 148. 9 ~C -263mm SETTING PROFI 453mV INSTRUCTIONS FOR USE OMD 202UNI-B | 57...
  • Page 58   Tare resetting - Channel A,   B, C and D CL. M. M . Resetting min/max value   - resetting memory for the storage of minimum and maximum value achieved during measurement 58 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 59 Active inputs 1 and 2   KEYS TIM. SW. 3. INP. Active inputs 1, 2 and 3   INP. I MODE 2 4. INP. Active inputs 1,2, 3 a 4   MODE 3 MODE 4 INSTRUCTIONS FOR USE OMD 202UNI-B | 59...
  • Page 60 SERVIC. EXT. IN. SWITCH. AUTOM. Automatic inputs switching   KEYS TIM. SW. - inputs switching is automatic in a time period set in „TIM. SW.“ INP. I MODE 2 MODE 3 MODE 4 60 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 61 Thermometer for Pt xxx   MODE 2 MODE 3 RTD-Cu RTD-Ni Thermometer for Ni xxxx   MODE 4 Thermometer for   thermocouples Display for linear   potentiometers RTD-Cu Thermometer for Cu xxx   INSTRUCTIONS FOR USE OMD 202UNI-B | 61...
  • Page 62 T/C N T/C J T/C R T/C S T/C K 100 R T/C T T/C L T/C N T/C R 10 k T/C S 100 k T/C T T/C L LIN. P OT. 62 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 63 Method and procedure of setting the cold junctions is described in separate chapter on page 98 MODE 2 MODE 3 MODE 4 For thermocoule type “B” the items CONECT. and C.J. TEM. are not available INSTRUCTIONS FOR USE OMD 202UNI-B | 63...
  • Page 64 - entered directly in Ohm (0…9999) OUTPUT. IN. MOD. CONECT. SERVIC. EXT. IN. SWITCH. AD. RES. KEYS TIM. SW. LEADS. INP. 1 MODE 2 MODE 3 MODE 4 64 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 65 4…20 mA, with error statement of „underfl ow“ upon signal MODE 2 0-40 v smaller than 3,36 mA MODE 3 ER. 4 -20 MODE 4 Setting procedure is identical for MODE 3 and MODE 4 INSTRUCTIONS FOR USE OMD 202UNI-B | 65...
  • Page 66 - EXT. 1,2 and 3 C. T . ACT. - for operation see the table - following this choice the setting for EXT. 2 and SWCH. 1 EXT. 3 is automatically restricted SWCH. 2 SWCH. 3 66 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 67 Analogue output SERVIC. EXT. IN. M. HOLD D. + AV. + L. “HOLD” locks the value   displayed, on Analogue KEYS output and limit evaluation “HOLD” locks the entire   instrument INSTRUCTIONS FOR USE OMD 202UNI-B | 67...
  • Page 68   channel projection TAR. A LL TAR. A CT. SWCH. 1 Setting is identical for LEFT, DOWN, UP and ENTER Actual channel is the one, that is projected on the display long term 68 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 69 P. T. A COLD. J. Temporary projection of   “CJC” value P. T. B P. T. C P. T. D Setting is identical for LEFT, DOWN, UP and ENTER P. T. ACT. COLD. J. INSTRUCTIONS FOR USE OMD 202UNI-B | 69...
  • Page 70 Direct access to item   “OFF L.2” OFF 3 Direct access to item   “OFF L.3” OFF 4 Direct access to item   “OFF L.4” Setting is identical for LEFT, DOWN, UP and ENTER 70 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 71 148. 9 ~C -263mm SETTING PROFI 453mV INSTRUCTIONS FOR USE OMD 202UNI-B | 71...
  • Page 72 P. T AR. A does not show the “T” symbol - range of the setting is: -99999…999999 SERVIC. CHAN. D DESC. A = 0.00 MAT. FN. SWCH. A MIN. M AX COL. A 72 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 73 CON. F. A. Setting constants   - this menu item is always displayed after selection of particular type of filter Exponential filter Constant F.A = 5.0 Setting is identical for “Channel B, C and D“ INSTRUCTIONS FOR USE OMD 202UNI-B | 73...
  • Page 74 - description is cancelled by code 00 = °C MAT. FN. SWCH. A DU OHM =none MIN. M AX COL. A Table of signs on page 102 Setting is identical for “Channel B, C and D“ 74 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 75   MIN. M AX COL. A - „COL. 0 A“ = Green - „COL. 1 A“ = Orange - „COL. 2 A“ = Red Setting is identical for “Channel B, C and D“ INSTRUCTIONS FOR USE OMD 202UNI-B | 75...
  • Page 76 CON. E FIL. C. From “Channel C” after   modification by digital filter CON. F FIL. D From “Channel D” after   modification by digital filter FORM. M DESC. M SWCH. M COL. M 76 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 77 (A x KA + C x KC) /(B x KB + D x KD) x E + F CON. - Setting constants for   calculation of mat.functions - this menu is displayed only after selection of given mathematic function INSTRUCTIONS FOR USE OMD 202UNI-B | 77...
  • Page 78 - description is cancelled by code 00 MAT. FN. CON. C = no description MIN. M AX CON. D CON. E Table of signs on page 102 CON. F FORM. M DESC. M SWCH. M COL. M 78 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 79 MIN. M AX CON. D CON. E - „COL. 0 M“ = Gereen CON. F - „COL. 1 M“ = Orange FORM. M - „COL. 2 M“ = Red DESC. M SWCH. M COL. M INSTRUCTIONS FOR USE OMD 202UNI-B | 79...
  • Page 80 = 66.67 SERVIC. CHAN. D CON. B LIM. 2 M MAT. FN. CON. C COL. 2 M MIN. M AX CON. D CON. E CON. F FORM. M DESC. M SWCH. M COL. M 80 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 81   digital filters processing MAT. FN. From “Mathematic functions”   ALL. CH. From “Channel A, B, C   and D” ALL F. From “Channel A, B, C   and D” after digital filters processing INSTRUCTIONS FOR USE OMD 202UNI-B | 81...
  • Page 82 DATA 17 V 12 V 12 VDC, max. 2,5 W   SERVIC. AN. OUT. 24 V 17 V 17 VDC, max. 2,5 W   DISP. 24 V 24 VDC, max. 2,5 W   82 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 83 From “Channel A, B, C   and D” ALL F. From “Channel A, B, C   and D” after digital filters processing Setting is identical for LIM 2, LIM 3 and LIM 4 INSTRUCTIONS FOR USE OMD 202UNI-B | 83...
  • Page 84 Z < 0 - Switch-on relay TYPE > SWITCH-OFF LED signalization Z > 0 - Switch-off relay TYPE > SWITCH-ON LED signalization Z < 0 - Switch-off relay TYPE > SWITCH-OFF LED signalization 84 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 85 TIM. L. 1 and “TIM. L.” indicating the time during which is the output active Setting is identical for LIM 2, LIM 3 and LIM 4 INSTRUCTIONS FOR USE OMD 202UNI-B | 85...
  • Page 86 (LIM. L.1) and the set time (TIM. L.1) - negative time > relay switches off after crossing the limit (LIM. L.1) and the set negative time (TIM. L.1) Setting is identical for LIM 2, LIM 3 and LIM 4 86 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 87 = 00 CHANNE. LIMITS ADDR. OUTPUT. DATA ADR. P. B . ADR. P. B . Setting instrument address -   SERVIC. AN. OUT. PROT. PROFIBUS DISPL - setting in range 1…127 = 19 INSTRUCTIONS FOR USE OMD 202UNI-B | 87...
  • Page 88 AO evaluation from   “Channel D” after digital filters processing MAT. FN. AO evaluation from    “Math.functions” AO evaluation from    “Min.value” AO evaluation from    “Max.value” DISPL. From “Permanently   projected display value” 88 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 89: Setting Analog Output

    AO range - range of the setting is -99999…999999 MAX A. O . Assigning the display value   to the end of the AO range - range of the setting is -99999…999999 = 100 INSTRUCTIONS FOR USE OMD 202UNI-B | 89...
  • Page 90 AN. OUT. - after keystroke display turns on for 10 s DISP. Display brightness - 25 %   Display brightness - 50 %   Display brightness - 75 %   100% Display brightness - 100 %   90 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 91 148. 9 ~C -263mm SETTING PROFI 453mV INSTRUCTIONS FOR USE OMD 202UNI-B | 91...

  • Page 92: Setting The Address Of Ir Remote Control

    OMD 202 within the reach of IR remote control - range of the setting is 0…99 OUTPUT. RESTOR. - you can cancel the address by pressing the blue key on the remote control SERVIC. CALIB. LANG. N. PASS. IDENT. 92 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 93: Restoration Of Manufacture Setting

    RE. CAL. Restoration of manufacture   OUTPUT. RESTOR. SAVE calibration of the instrument SERVIC. CALIB. - prior executing the changes you will be asked to confirm you selection „YES“ LANG. N. PASS. IDENT. INSTRUCTIONS FOR USE OMD 202UNI-B | 93...

  • Page 94: Calibration - Input Range (Du)

    “YES“ OUTPUT. RESTOR. - when “C. MAX” is displayed, move potentiometer traveller to required maximum position and confirm by „Enter“, calibration is SERVIC. CALIB. confirmed by „YES“ LANG. N. PASS. IDENT. 94 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 95: Selection Of Instrument Menu Language Version

    - if the SW version reads a letter on first position, OUTPUT. RESTOR. it is a customer SW SERVIC. CALIB. Blok Description LANG. Instrument no. of SW version N. PASS. type/input mode IDENT. INSTRUCTIONS FOR USE OMD 202UNI-B | 95...

  • Page 96: Setting Items Into "User" Menu

    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 96 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 97 „LIM. L.2“ where you repeat the procedure. You can finish the setting up by pressing the button, by which you save the latest setting and by pressing the you return to the operating mode. INSTRUCTIONS FOR USE OMD 202UNI-B | 97...
  • Page 98 – when measuring without reference thermocouple set in the instrument menu to – when measuring temperature without reference thermocouple the error in measured data may be as much as 10°C CONECT. EXT. 1 TC (applies for setting 98 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 99: Data Protocol

    <CR> MessBus <STX> <ETX> <BCC> Command confirmation (instrument) <CR> <CR> Messbus No - data is transmitted permanently <CR> <CR> <DLE> <NAK> Instrument identification <CR> HW identification <CR> One-time transmission <CR> Repeated transmission <CR> INSTRUCTIONS FOR USE OMD 202UNI-B | 99...
  • Page 100 The instrument immediately returns the value in the format >HH <CR>, where HH is value in HEX format <BCC> Check sum -XOR and range 00H…FFH. The lowest bit stands for „Relay 1“, the highest for „Relay 8“ 100 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 101: Error Statements

    E. CLR. upon repeated error statement send instrument for repair, Memory was empty (presetting carried out) possible failure in calibration E. . OUT. Analogue output current loop disconnected check wire connection INSTRUCTIONS FOR USE OMD 202UNI-B | 101...
  • Page 102 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 00 102 | INSTRUCTIONS FOR USE OMD 202UNI-B...

  • Page 103: Instrument Dimensions And Instalation

    X1 mm Panel thickness: 0,5 ... 50 mm Height 57-6 100-4 100-6 125-4 125-6 Wall mounting Our large displays are supplied along with a wall mount holder as shown in the the drawing. INSTRUCTIONS FOR USE OMD 202UNI-B | 103...

  • Page 104: Technical Data

    INPUT - CHANNEL C Range: 0/4...20 mA < 400 mV Input I ±2 V 1 MΩ Input U ±5 V 1 MΩ Input U ±10 V 1 MΩ Input U ±40 V 1 MΩ Input U 104 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 105 0,14 0,06 0,03 No.of channels: 3 2,50 1,25 0,62 0,50 0,31 0,19 0,11 0,05 0,02 No.of channels: 4 2,00 1,00 0,50 0,40 0,25 0,15 0,08 0,04 0,02 * values apply for resistance load INSTRUCTIONS FOR USE OMD 202UNI-B | 105...

  • Page 106: Certificate Of Guarantee

    - intervention of unqualified person incl. the user - unavoidable event - other unprofessional interventions The manufacturer performs guarantee and post.guarantee repairs unless provided for otherwise. Y E A R S Stamp, signature 106 | INSTRUCTIONS FOR USE OMD 202UNI-B...
  • Page 107 ORBIT MERRET, spol.s r.o. and that our company has taken all measures to ensure conformity of all products of the types referred-to hereunder, which are being brought out to the market, with technical documentation and requirements of the appurtenant Czech statutory orders.
  • Page 108 ORBIT MERRET, spol. s r. o. Vodňanská 675/30 198 00 Praha 9 Czech Republic tel.: +420 281 040 200 fax.: +420 281 040 299 orbit@merret.eu www.orbit.merret.eu TECHDOK - OM 402UNI - 2018 - 4v0 - en...

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