Martel-electronics MC1200 Bedienungsanleitung

MC1200Reference Manual

101. Turn on the unit while holding down the “HOME” key.2. Hold the key down for a count of 10 seconds to restore contrast default settings.If the dis

112.3 Cursor control / Setpoint controlThe output value can be controlled by the four cursor control arrows on the keypad. Bypressing one of the arrow

123. Using Measure Modes (Lower Display)3.1 Measuring volts and frequencyElectrical parameters volts and frequency can be measured using the lower dis

3.3 Measuring Temperature3.3-1 Using ThermocouplesThe calibrator supports the followingthermocouple types: B, C, E, J, K, L, N, R, S, T,U, BP, and XK.

3. Choose 2, 3, or 4-wire connection [2W, 3W, 4W]. (4-wire allows for the most precisemeasurement)4. Select RTD type from the sensor types. 5. Attach

15To measure pressure, follow these steps:1. Connect the pressure module to the calibrator as shown in Figure 9. using the 700mApressure module adapte

164. Using Source Modes (Lower Display)The calibrator can generate calibrated signals for testing and calibrating process instruments.It can source vo

17Figure 10. Connections for Sourcing Current4.3-1 HART™ Resistor SelectionThe MC1200 can be set-up so that the 250 ohm resistor required for Hart™ c

184.4 Simulating a TransmitterTo have the calibrator supply a variable test current to a loop in place of a transmitter, followthese steps:1. Select l

194.6 Sourcing frequencyTo source a signal use these steps:1. Switch to the lower display and select frequency from the primary parameters.2. Select o

1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31.1 Customer Service

20Figure 13. Connections for Outputting Thermocouples4.8 Sourcing ThermocouplesTo source a thermocouple use the following steps:1. Connect the thermoc

4.9 Sourcing Ohms/RTDsTo source an RTD, follow these steps:1. Select lower display from the Main Menu, and choose [RTD] from the primaryparameters.2.

22temperature, maximum temperature, R0, and the values for each of thetemperature coefficients. The custom function uses the Calendar-Van Dusen equati

23Figure 17. Connection Using Current Loop5.2-1 HART™ Resistor SelectionThe MC1200 can be set-up so that the 250 ohm resistor required for Hart™ conf

24Warning!To avoid a violent release of pressure in a pressurized system, shut off the valve and slowlybleed off the pressure before you attach the pr

6. Using the Upper and the Lower Display for Calibration andTesting6.1 Testing an Input or Indicating DeviceTo test and calibrate actuators, recording

266.3 Calibrating a Transmitter To calibrate a transmitter both the upper and the lower displays will be used; one formeasuring and the second a sourc

Figure 22. Calibrating a Pressure Transmitter7. Remote OperationThe calibrator can be remotely controlled using a PC terminal, or by a computer progra

28Serial parameter values:9600 baud8 data bits1 stop bitno parityXon/XoffEOL (End of Line) character or CR (Carriage Return) or bothTo set up remote o

Calibrator CommandsOnly the calibrator uses these commands. For example LOWER_MEAS DCVtells the calibrator to measure voltage on the lower display.Com

31. IntroductionThe Martel MC1200 Multifunction Process Calibrator is a handheld, battery-operatedinstrument that measures and sources electrical and

307.3-2 Character ProcessingThe data entered into the calibrator is processed as follows:• ASCII characters are discarded if their decimal equivalent

31Service Request Enable Register (SRE)Enables or disables the bits of the STB. Cleared when power is reset. Setting bits to 0disables them in the STB

32CMECommand Error. Set to 1 when the calibrator receives an invalid command.Entering an unsupported RTD type may cause such an error.EXEExecution Err

Table 5: Common CommandsCommand Description*CLS *CLS (Clear status.) Clears the ESR, the error queue, and the RQS bit in the status byte.Terminates pe

34Command DescriptionFREQ_TYPE Set the frequency output to continuous (frequency) or pulse. FREQ_TYPE? Returns frequency output type, continuous or p

Table 7: Parameter unitsUnits MeaningMA milliamps of currentMV Voltage in millivoltsV Voltage in voltsCPM Frequency in cycles per minuteHz Frequency i

36Error Number Error Description114 The serial output buffer overflowed115 Output is overloaded116 Calibrator not in pulse train mode when TRIG was re

*OPCEnables the Operation Complete setting in the ESR. This setting makes it possible to check ifan operations is complete after it has been initializ

CJC_STATETurns Cold Junction Compensation (CJC) on or off, when the calibrator is in thermocouple(TC) mode. The command is used by adding ON or OFF af

CPRT_COEFC?Returns the number which was entered for the first coefficient of the polynomial used in thecustom RTD. Using the example above CPRT_COEFC?

1.3 Safety information Symbols UsedThe following table lists the International Electrical Symbols. Some or all of these symbolsmay be used on the inst

103 which is the code number for an entry over range.Refer to the Error Codes table for more information on error code numbers.FREQ_LEVELSets the ampl

41LOCALRestores the calibrator to local operation if it was in remote mode. Also clears LOCKOUT if theunit was in lockout mode.LOWER_MEASSets the lowe

42PULSE_CNTSets the number of pulses the calibrator will produce when it is triggered while in pulse mode.For example;PULSE_CNT 3000 will set the numb

43SIMSets the output for current simulation. This command also switches the calibrator into mAsimulation mode. A number and a unit must be entered aft

TSENS_TYPE?Returns the type of sensor that is currently set to measure temperature, either TC or RTD.UPPER_MEASSets the measuring mode for the upper d

8. SpecificationsAll measurements apply at 23°C ± 5°C. unless specified otherwise. Outside of this range thestability of the measurements is ± 0.005%o

46Table 13: Resistance MeasurementRange Accuracy(% of reading ± floor)Ohms low 0.00Ω - 400.0Ω 0.025% ± 0.05ΩOhms high 401.0Ω - 4000.0Ω 0.025% ± 0.5ΩTa

47Table 17: RTD Read and SourceRTD Type Range (°C) AccuracyNi120 (672) -80.0 - 260.0 0.2Cu10 -100.0 - 260.0 1.4Cu50 -180.0 - 200.0 0.4Cu100 -180.0 - 2

9. Maintenance / Warranty9.1 Replacing BatteriesReplace batteries as soon as the battery indicator turns on to avoid false measurements. Ifthe batteri

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WarningTo avoid possible electric shock or personal injury:• Do not apply more than the rated voltage. See specifications for supported ranges. • Foll

www.martelcorp.come-mail: [email protected]: (603) 434-1433 800-821-0023 Fax: (603) 434-1653 Martel Electronics3 Corporate Park Dr.Derry

2. Calibrator InterfaceFigure 1 shows the location of the input and output connections on the calibrator, while Table1 describes their use.Table 1: I

7Figure 2 shows the location of the keys on the calibrator. Table 2 lists the functions of eachkey.Table 2. Key FunctionsNo. Name Function1 Function K

The display of the calibrator, shown in Figure 3, is divided into three main sections: the upperdisplay, the lower display, and the menu bar. The upp

9In the input home menu the only active options are [MENU] and [LIGHT]. The [MENU] optionis used to enter the next level of the menu bar, the main men