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90

K0320 Issue No. 1

Step Mode

In the step mode the MCX-II can
generate preset output levels in three
different ways;

Special Output Functions

OUTPUT

mV
VOLT
T/ C
RTD

mA/ XMT

INPUT

OHM
FREQ.
COUNTER

BATTERY

SWITCH

Summary of Contents for Druck MCX-II

Page 1: ...Druck MCX II Multi Calibrator User Manual K0320 GE Sensing Multi Calibrator Multikalibrator Multi calibrateur 99 Washington Street Melrose MA 02176 Fax 781 665 0780 TestEquipmentDepot com ...

Page 2: ...to work with 20 Power Sources Power from internal batteries 22 Changing from Alkaline to rechargeable batteries 26 Recharging 26 Operating from 115 V or 230V line voltage 50 or 60 Hz 28 Set up Date and Time Settings 30 Setting the clock to your local time 30 Setting the clock to your local date 32 Temperature readings 34 Changing the temperature unit 34 Changing the temperature scale 36 Language S...

Page 3: ...a thermocouple RTD Simulation Excitation current 88 Special Output Functions Step Mode 92 Ramp Mode 94 Setting up the ramp mode 94 To start stop a one shot ramp 96 To start stop ramp cycling 96 Scaled readings 96 User Power supplies Transmitter calibration Setting up a calibration 100 To check or calibrate a transmitter 102 Temperature transmitter simulation Setting up a simulation 104 To simulate...

Page 4: ...tput simulation functions can be operated and read simultaneously Pressure Measurements and Calibrations A plug in Pressure Module model MCX PM is optionally available for pressure measurements and calibration Automatic Calibration To automate calibration routines and to store calibration data the unit has been provided with a memory card slot For the same purpose the unit has a RS232 cable connec...

Page 5: ... indicator On when calibrator is powered from the optional line adaptor charger 13603 4 EXT POWER INPUT Connector for external power source Only suitable for optional line adaptor charger 13603 5 Battery compartment cover Release screws to get access to batteries 6 Battery selector switch To select Alkaline or Rechargeable batteries Remove protective sticker to get access to the switch IMPORTANT S...

Page 6: ...M Do not make any other connections to these terminals 18 Shoulder strap removable For portable use with adjustable length 19 VIEWING ANGLE adjustment knob To adjust LCD contrast 20 BACKLIGHT Push button Switches LCD backlight ON OFF 21 COMMUNICATOR TERMINALS Connections for smart Instrumentation Use is optional with communicator card Test Equipment Depot 800 517 8431 99 Washington Street Melrose ...

Page 7: ...arrow keys to fill in the blanks Working Screen Displays readings of measured and generated values Output or simulated temperatures are set with the numerical key pad or can be ramped up and down in different ways NOTE After switching the calibrator on the screen will show Serial Serial Number Firmware Firmware version Hart Hart Firmware version Battery voltage switch position Days left to next ca...

Page 8: ...ping error The NUMERICAL key pad Used to dial output levels or simulated temperatures Also used to fill out levels and time settings for special functions The ARROW keys Moves the cursor position and ramps output levels up or down The key Used to open the set up menu The DOC key Used to access the documenting functions The 0 key Changes the sign when display reads all zeros Functionallity ...

Page 9: ...r Open the compartment and place the new batteries in position as indicated in the compartment Check for clean poles and contact plates before you replace the batteries Use of Alkaline batteries supplied as standard The calibrator is supplied with one set of 6x Alkaline batteries Check that the Battery Selector Switch is in the alkaline position before replacing the batteries Battery switch positi...

Page 10: ...he batteries are not inserted correctly they may leak and damage the calibrator Do not mix old and new batteries or batteries of different types such as carbon and alkaline If the calibrator is not to be used for a long period of time take out the batteries Remove and dispose of worn out batteries Never attempt to recharge or short circuit the batteries Power Sources ...

Page 11: ...ows the blinking battery symbol CAUTION Do not fit alkaline or other non rechargeable batteries after you have changed the switch position to Ni Cd Recharging Use the Line Adaptor Charger 13603 only other equipment may cause damage to the calibrator Check the indicated line volt switch in the CHARGE position Connect the appropriate Adaptor Charger plugs to the line and to the calibrator The amber ...

Page 12: ... particular brand of Ni Cd is recommended although cells rated at 2 0 Ah have preference over general available 1 8 Ah cells Operating from 115 V or 230V line voltage 50 or 60 Hz Use the Line Adaptor Charger 13603 only other equipment may cause damage the calibrator Check the indicated line voltage Connect the appropriate Line Adaptor Charger plugs to the line and to the calibrator The green led E...

Page 13: ...o record date and time on the memory card The clock has been factory set to Paris time at the date of calibration Setting the clock to your local time Leave the cursor at NONE at the INPUT and OUTPUT menu and press the key to open the set up menu Select TIME Press EXE again Enter the local time Press EXE to accept new time or press CE to leave the set up menu Set up ...

Page 14: ... clock to your local date Leave the cursor at NONE at the INPUT and OUTPUT menu and press the key to open the set up menu Select DATE Press EXE again Enter date Press EXE to accept new date or press CE to leave the set up menu Set up ...

Page 15: ...renheit units Factory setting is Celsius Readings are based on either IPTS 68 or ITS 90 temperature scales Factory setting is ITS 90 Changing the temperature unit Leave the cursor at NONE at the INPUT and OUTPUT menu and press the key to open the setup menu Select TEMP SETTINGS and then the temperature unit Press EXE to change ...

Page 16: ... Leave the cursor at NONE at the INPUT and OUTPUT menu and press the key to open the setup menu Select TEMP SETTING and then the temperature scale and press EXE to change Select TEMP SETTING and then the temperature scale and press EXE to change Set up ...

Page 17: ...software The factory setting is ENGLISH Setting the Language Leave the cursor at NONE at the measure and source menu and press key to open the set up menu Select SYSTEM and then LANGUAGE and press EXE Select required language and press EXE Press CE to leave the set up menu ...

Page 18: ...re and source menu and press to open the set up menu Select SYSTEM and press EXE Select ACCESS CODE and press EXE to confirm You are now in mode where you can change the code If applicable the new code can be typed in and confirmed by EXE 0000 as code is considered as no existing ACCESS CODE NOTE Registration of the ACCESS CODE is essential Set up Test Equipment Depot 800 517 8431 99 Washington St...

Page 19: ...ey to open the setup menu Select system and press EXE Next select the BACKLIGHT MODE and press EXE The backlight timer can be set to 30 seconds 5 minutes or off select appropriate choice and press EXE to acknowledge Press CE to leave the setup menu NOTE It is recommended to switch the BACKLIGHT MODE on to save batteries if the unit is mainly used in the field Set up ...

Page 20: ...n Press the LIGHT key to switch the backlight ON or OFF Each key pad operation will postpone shut off for another time period Screen contrast adjustment Turn the knob for best screen contrast Contrast may alter with different viewing angles Set up ...

Page 21: ...ator can be used in the two ways as shown Control and Display Panel can be rotated into 5 different positions for best screen viewing angle Input and output terminals are accessible from front and back to plug in the test leads in the most practical way Set up ...

Page 22: ...nal situation Storing a key pad operation sequence Make all the necessary arrangements for the function you want to key stroke Press to open the set up menu and select key stroking Next select the numerical key under which you want to store the sequence To store a new function under a used key repeat above procedure to overwrite the old function Recalling a key pad operation sequence Leave the cur...

Page 23: ...ystroking Leave the cursor at NONE at the measure and source menu and press the key to open the set up menu Select CLEAR KEYSTROKING MEMORY and press EXE EXE will clean the KEYSTROKE memory Press CE to leave the set up menu Set up ...

Page 24: ...put functions Here you can read the measured value Millivolts Select mV and DIRECT in the input menu and press EXE to open the working screen The upper window in the working screen indicates the measured millivolts reading The range is 0 600 mV split into two auto ranges of 0 to 100 mV and 100 000 to 100 01 to 600 00 mV To measure signals Test Equipment Depot 800 517 8431 99 Washington Street Melr...

Page 25: ... Volts split into two auto ranges of 0 to 6 0000 Volts and 6 001 to 60 000 Volts Milliamps XMTR Select mA and DIRECT in the measure menu and press EXE to open the working screen The upper window in the working screen indicates the measured milliamps reading The percentage of 4 20 mA is indicated in small size digits to facilitate easy alarm switch adjustments The range is 0 52 000 mA To measure si...

Page 26: ... The wiring can be 2 3 or 4 wire The wire method is a true measurement of voltage drop across unknown resistance at a constant excitation current Frequency Select FREQ in the measure menu and press EXE Select FREQ and DIRECT in the FREQ menu and enter a trigger level between 10 mV and 5V Press EXE to open the working screen The upper window of the working screen indicates the measured frequency re...

Page 27: ...nute Counts the pulses received in one hour Select COUNTER in the input menu and press EXE Enter a trigger level between 10 mV and 5 0 Volts Select COUNTER P MIN or P HOUR and press EXE to open the working screen Press to set the trigger level NOTE The pulse counter starts on the first positive rising edge Counter Zähler Compteur To measure signals ...

Page 28: ...e MCX II to activate the switch The measure upper reading tracks the source lower reading until the switch position changes This change will immediately freeze the measure reading indicating the actual switch setting Press the button to reset The measure reading will track the source reading again Make sure that NO or NC contacts are potential free To measure signals ...

Page 29: ...been selected in the input menu press EXE to enter the continuity check mode Closing the test loop will activate the built in buzzer top prove that the wiring loop has a resistance of 2200 Ohms or less To calculate the switch resistance press to open the set up menu and select SWITCH RESISTANCE NOTE Remote temperature probe should not be connected in this mode To measure signals ...

Page 30: ...gly recommended to use compensation wires for thermocouple simulations and measurements Insert the compensation wire lead ends into the wire holes as indicated Hand tight each terminal screw to secure the wires and make the proper connections at the instrument side Make sure that you use the right type of wires and that polarities are not accidentally reversed Select INTERNAL to compensate the col...

Page 31: ... either a hand held thermometer or a remote temperature probe Hand held thermometer not supplied by GE Read the thermometer while holding it close to the instrument terminals Select MANUAL and open the screen to fill out the obtained reading Press EXE to enter Note that in this mode temperature changes at the instrument terminals can easily create calibrations errors Remote temperature probe optio...

Page 32: ... a true measurement of voltage drop across the unknown resistance at a constant excitation current With the remote probe optional With the optional available temperature probe or with any other suitable type of Pt100 sensor you can measure temperatures easily Select PROBE in the input menu and press EXE to open the working screen the measurement reading is shown in the upper window when the probe ...

Page 33: ... is available on both measurement and source functions The original signal reading is still displayed in smaller sized digits Setting up scaled readings linear relationship Select SCALE to open the set up screen Fill out the high and low limits for the span preset at 4 and 20 mA in the milliamp ranges Fill out both scale ends for the new scale Press EXE to show the working screen NOTE Scaling in l...

Page 34: ...open the set up screen High and low limits for the span are preset at 4 and 20 mA Change span if necessary Fill out both scale ends for the new scale Press EXE to show the working screen NOTE Readings are flow related when simulating or reading dP transmitters measuring across an orifice plate Special Measurement Functions ...

Page 35: ...ial Output Functions The lower part of the screen shows the window for output functions Here you can read the output level labelled with either SET or OUTPUT Set mode In the SET mode you change the output reading without changing the actual output at the terminals Once you press EXE the output will change to the new setting Output of electrical signals ...

Page 36: ... key pad and press EXE to activate the signal at the output terminals Entered values outside the range will prompt the message OUTSIDE RANGE Output mode In the OUTPUT mode you change both the output reading and the actual output at the terminals Entering a new value through the numerical key pad brings you back into the SET mode Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 021...

Page 37: ... are made with 1 microvolt resolution If the adjusted output level cannot be maintained the screen will prompt the warning CHECK LOOP NOTE Terminal to test lead junctions may create e m f microvolts causing an offset in the actual output signal Millivolts output Millivolt Geben Sortie millivolts Output of electrical signals ...

Page 38: ...LOOP Milliamps XMTR Use mA terminals to source a current into a resistor active mode Use XMTR terminals to simulate a 2 wire transmitter passive mode Go to milliamps in the DIRECT mode to output any signal between 0 and 24 mA Adjustments are made with 1 microamps resolution If the adjusted output level cannot be maintained the screen will prompt the warning CHECK LOOP To output fixed 0 4 8 12 16 a...

Page 39: ...equency Pulses are symmetrical square wave and 70 mV zero based Frequency is set by the and keys or numerical key pad Resolution is 0 1 Volt and amplitude is default set to 5 0 Volts With frequency set at 0 Hz this function becomes available as a voltage adjustable and regulated DC supply Frequency output can take loads up to 34 mA at 24 Volts maximum Frequency range 0 100 Hz Go to pulse DIRECT mo...

Page 40: ...nute Pulse output range 0 99 999 P Hour Same as 0 100 Hz but reads in Pulses Hour Counter Go to the pulse PRESET mode and set the amplitude Press EXE to proceed to the working screen Use the and keys to move the cursor from upper to lower line and vice versa Fill out the number of pulses to be transmitted as well as the Baud rate max 18 000 pulses seconds Press EXE to start the pulse transmission ...

Page 41: ... Select the DIRECT mode to simulate any temperature within the range of the chosen thermocouple type Adjustment resolution is 0 1 degree For cold junction compensation considerations and different wiring methods read section To measure thermocouples in this book To simulate a thermocouple ...

Page 42: ... simulated across the two terminals as shown Connecting a third or a fourth wire adapts the simulation to 3 or 4 wire inputs Excitation current The excitation current to source a resistance should be between 0 175 and 3 500 mA Excitation currents may be intermittent as with some smart temperature transmitters 2 wire 2 Leiter 2 fils 3 wire 3 Leiter 3 fils 4 wire 4 Leiter 4 fils RTD Simulation Test ...

Page 43: ...No 1 Step Mode In the step mode the MCX II can generate preset output levels in three different ways Special Output Functions O U TP U T mV VO L T T C R TD mA XMT INP U T O H M F R E Q C O U N TE R BA TTE R Y SWITC H ...

Page 44: ...e programmable span is automatically divided in 10 steps of 10 each 20 Divisions Select 20 Free programmable span is automatically divided in 5 steps of 20 each 25 Divisions Select 25 Free programmable span is automatically divided in 4 steps of 25 each Stepping through the fixed levels can either be performed manually or automatically Special Output Functions ...

Page 45: ...The automatic ramp mode cannot be used together with the frequency measurement mode and the pulse count mode O U TP U T mV V O L T T C R TD mA XMT IN P U T O H M F R E Q C O U NTE R B A TTE R Y S WITC H Setting up the ramp mode Select RAMP and fill out the set up screen The high end value sets the maximum output The low end value sets the minimum output Fill out the required travel and dwell time ...

Page 46: ...d direct after each other to start a continuous up and down ramp cycling with dwelling at the high and low ends The first arrow key hit determines the take off direction Press and simultaneously to freeze the ramp action To restart press or Press CE to cancel the ramping operation Scaled readings Dial directly in scaled readings to SET a related output signal as set up Press EXE to actually output...

Page 47: ...s indicated 24 VDC fixed combined with the mA input terminals current limited at 32 mA 24 VDC fixed combined with the mA output terminals current limited at 32 mA 0 24 VDC adjustable combined with the frequency output terminals Resolution is 0 1 Volt With frequency set at 0 Hz output becomes available as a voltage adjustable and regulated power supply Current limited at 34 mA User Power supplies ...

Page 48: ...0 mA model for thermocouples or RTD s Setting up a calibration Leave the cursor on NONE in the input menu and select the required output function Go through the menu and make the selections as required In the mode screen select CAL to calibrate a transmitter Proceed to select all transmitter characteristics Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 Te...

Page 49: ...tput Use the key to change to fixed steps Use and keys to step through 0 25 50 75 and 100 of the span as set up Press to return to the normal key pad functions An ideal transmitter will show equal readings The difference of both readings is expressed in of the transmitter span or reading and is shown in the upper window in small size digits ...

Page 50: ... standard in the MCX II Setting up a simulation Leave the cursor on NONE in the input menu and select the required RTD or T C function ignore the CJ compensation menu In the mode screen select SIM to simulate a transmitter and proceed to select all transmitter characteristics Fill out the transmitter span and press EXE to open the working screen The lower windows shows the MCX II output milliamps ...

Page 51: ...nctions are available to change the mA output Use the key to move to fixed steps Use and keys to step through 0 25 50 75 and 100 of the span as set up Press to return to the normal key pad functions Next to the simulated temperature the lower window shows the MCX II output milliamps in small size digits ...

Page 52: ...tting up a signal converter Make all input and output selections as you would do when you use input and output functions separately in the DIRECT output mode When the normal working screen is displayed press to open the set up screen and select convert Fill out the input and output span and press EXE again to proceed to the signal converter working screen Actual input and output signals are now di...

Page 53: ...unctionality is influenced by electromagnetic disturbances The results obtained during this state are unreliable The MCX II is protected against failures by fast transient burst It restarts itself whenever this situation occurs and returns to the main screen In this way a save state of operation can be assumed ...

Page 54: ... calibration menu shows all relevant ranges to calibrate Each range can be recalibrated independent of any other range Only the cold junction compensationsystem is influenced by millivolts recalibration Select the ranges to be calibrated and press EXE Follow the instructions on the next screens Fill out the calibration readings and press EXE to confirm or to return to the calibration menu Select a...

Page 55: ...ensation wire fixation screws from the T C terminals Insert the thermometer probe in the appropriate T C terminal hole and make sure a good thermal contact is made down at the bottom of the terminal Take measurements samples of both terminals and calculate the average temperature Enter this temperature to recalibrate Do not use thermal conductivity gel as this can not easily be removed from the te...

Page 56: ...II or other low e m f test leads 4 The MCX II should be powered from the on board batteries during recalibration 5 Recalibration must be carried out at reference ambient temperature and humidity MCX II must be exposed to this condition for at least 2 hours before the actual recalibration starts 6 Recalibrate mV ranges before starting recalibration of the Cold Junction Compensation system 7 When ac...

Page 57: ...replace the cell open the unit as described under chapter fault finding procedures Use a small screwdriver to lift the cell from its socket Remove the cell by sliding it away Replace by 3 Volts cell type CR2025 only Processor board p n 25100 Processorkarte p n 25100 Carte processeur p n 25100 Service repair and parts ...

Page 58: ...it can now be taken out of the lower half of the housing To open the rotatable unit release the two screws at the same half on each side To close the calibrator housing in reverse order the following must be considered 1 Place the rotatable unit back in the click mechanism slots as found before 2 Make sure that the cable between base unit and rotatable unit is correctly routed as indicated 3 Put t...

Page 59: ... fuses or displaced connectors The unit doesn t work at all 1 When normally line powered change to battery operation to check the line adaptor 2 When normally battery powered check the contact springs for corrosion and spring force 3 Check total battery voltage with a voltmeter Alkaline should read around 9 Volts and NiCd s should read around 7 2 Volts when new or fully charged 4 Open the MCX II a...

Page 60: ... 400 Most other fault symptoms are not logically related to just one possible defect When you have spare printed circuit boards available you could replace board by board to find the faulty board Note that a board replacement requires a recalibration Note that this procedure may also create a problem in a new healthy board by specific defects in a original board Input board p n 25102 Eingangskarte...

Page 61: ...n Fehler in einer neuen intakten Karte entstehen kann verursacht durch einen bestimmten Fehler in einer Originalkarte 5 L appareil ne mesure pas le millampères Vérifier le fusible accessible à l avant Le remplacer uniquement par un fusible réf 13119 ou un fusible Littelfuse N0 217 400 6 L appareil ne mesure pas les ohms ou les RTD Ouvrir le MCX II et vérifier le fusible sur la carte d entrée Le re...

Page 62: ...n 25101 Processor board p n 25100 Input board p n 25102 Output board p n 25103 Digital communicator board Optional p n 25107 LCD Key pad processor board in rotatable panel p n 25105 Key pad board in rotatable panel p n 25106 For GE Sales and Service Points see back cover Service repair and parts ...

Page 63: ...screws 2X 25301 6x Test leads 6x clips Assy 162 2x Switch protectors Operating Manual 25500 Line adaptor charger 115VAC 13603 115 Line adaptor charger 230VAC 13603 230 Pt100 hand held probe Assy 170 Switch protector 3X 24003 Battery compartment cover 25204 Set of battery contact springs 13013 16 LCD display window 25125 Set of fuses 10X 13119 Fuse holder 13118 Carrying case 24005 Shoulder strap 24...

Page 64: ...0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 2 C 0 4 F 0 3 C 0 6 F 0 5 C 1 0 F 0 1 C 0 2 F 0 2 C 0 4 F 0 1 C 0 2 F 0 2 C 0 4 F 0 2 C 0 4 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 1 C 0 2 F 0 2 C 0 4 F 0 1 C 0 2 F 0 1 C 0 2 F 0 2 C 0 4 F 0 1 C 0 2 F 0 1 C 0 2 F 0 2 C 0 4 F Range 0 100mV 100 600mV 10 100mV 0 6V 6 60V 0 12V 0 52mA 0 24mA 4 24mA 0 400Ω 400 2000Ω 0 400Ω 0 200...

Page 65: ...8 96 ASTM E988 96 ASTM E988 96 ASTM E988 96 ASTM E988 96 1 year accuracy 0 004 Rdg 0 004 f s 1 lsd 0 005 Rdg 0 005 f s 1 lsd 0 003 Rdg 0 004 f s 1 lsd 0 009 Rdg 0 003 f s 1 lsd 0 009 Rdg 0 003 f s 1 lsd 0 004 Rdg 0 002 f s 1 lsd 0 010 Rdg 0 003 f s 1 lsd 0 012 f s 1 lsd 0 012 f s 1 lsd 0 010 Rdg 0 005 f s 1 lsd 0 010 Rdg 0 005 f s 1 lsd 0 005 Rdg 0 008 f s 1 lsd 0 010 f s 1 lsd 0 01Hz 0 1Hz 1 Hz i...

Page 66: ... these limits 0 0005 C typical on mV Cold Junction error 0 4 C 0 8 F max in transient 0 2 C 0 4 F max when steady Long term drift after 1 year 0 005 year or 1000 hours operating Cold Junction modes Automatic Manual Remote sensor Temperature scale Selectable IPTS68 or ITS90 Warm up time 2 minutes for rated accuracies Re calibration From key pad no inside trimmers Recommended for each year Operating...

Page 67: ...e 10 6 x 6 4 x 2 2 3 2 inch Carrying case Black Cordura Weight 2 2kg 5 5lbs with batteries Keystroking 10 operation sequences storage Contact change detect Reading freezes on open or close Date and time Recorded when PCMCIA card is used PCMCIA station PCMCIA card type 1 or 2 Detect level freq in Adjustable 10mV to 5 0 Volts Pulse output level Adjustable 0 24 Volt 0 1V resolution 2 accuracy Pulse o...

Page 68: ...142 K0320 Issue No 1 Protocol for RS232 System Integration Serial port settings Bauds 9600 Parity none Bits 8 Stop 1 Hardware handshake none Specifications ...

Page 69: ...restricted to that given under our warranty No responsability is accepted for damage loss or other expense incurred through sale or use of our equipment Under no condition shall GE be liable for any special incidental or consequential damage NOTE Units with defects caused by battery electrolyte from leaking batteries are definitely excluded for repair or replacement under warranty Warranty Liabili...

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