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11/14/2006

Rev. 14

NOTE:

Please specify the following parameters when ordering a transmitter; process type, process
range (%, ppm), thermocouple type, temperature scale F/C, analog output 1 process and
scale, analog output 2 process and scale.

Typical Oxygen Transmitter Calibration

(F840030)

Calibration
Function

Measured Value or
Input

Output / Units

Cold Junction

Room Temp

°F

Thermocouple
min

800°F (B type)
standard t/c type

°F

Thermocouple
max

3000°F (B type)
standard t/c type

°F

Millivolt

0.0 mV

Millivolts

Millivolt

2000 mV

Millivolts

Analog 1 Zero

0% O2

4.0 mA +/- 0.1

Analog 1 Span

20.9% O2

20.0 mA +/- 0.1

Analog 2 Zero

800°F +/- 5°

4.0 mA +/- 0.1

Analog 2 Span

3000°F +/- 5°

20.0 mA +/- 0.1

Typical Carbon Transmitter Calibration

(F840031)

Calibration
Function

Measured Value or
Input

Output / Units

Cold Junction

Room Temp

°F

Thermocouple
Min

MUST BE
SPECIFIED

°F

Thermocouple
Max

MUST BE
SPECIFIED

°F

Millivolt

0.0 mV

Millivolts

Millivolt

2000 mV

Millivolts

Analog 1 Zero

0% Carbon

4.0 mA +/- 0.1

Analog 1 Span

2.55% Carbon

20.0 mA +/- 0.1

Analog 2 Zero

MUST BE
SPECIFIED

4.0 mA +/- 0.1

Analog 2 Span

MUST BE
SPECIFIED

20.0 mA +/- 0.1

Содержание Oxymit F200060

Страница 1: ...Marathon Sensors Inc Oxymit Transmitter Operators Manual...

Страница 2: ...lication are duly marked and the sole property of their respective owners No attempt at trademark or copyright infringement is intended or implied Marathon Sensors makes no warranties express or impli...

Страница 3: ...5 Carbon Process Factor 5 Dew Point Process Factor 5 Oxygen Exponent 6 TC Type 6 ANALOG OUTPUT CHANNELS 6 CALIBRATION 7 PROCESS VARIABLE CALCULATIONS 8 PERCENT OXYGEN 8 PERCENT CARBON 8 DEWPOINT 8 COM...

Страница 4: ...000 F B type standard t c type F Millivolt 0 0 mV Millivolts Millivolt 2000 mV Millivolts Analog 1 Zero 0 O2 4 0 mA 0 1 Analog 1 Span 20 9 O2 20 0 mA 0 1 Analog 2 Zero 800 F 5 4 0 mA 0 1 Analog 2 Span...

Страница 5: ...ent stand alone sensor The transmitter is located near the probe preferably mounted in an enclosure The transmitter mounts onto a DIN rail and requires a 24VDC power supply It measures the probe tempe...

Страница 6: ...load of 0 5 amps DC The Probe Transmitter is not rated to act as a safety device It should not be used to provide interlocking safety functions for any temperature or process functions Alarm capabilit...

Страница 7: ...gh current power cables Where it is impractical to do this use shielded cables with the shield grounded at the Probe Transmitter enclosure ground as show above Parameter Selections The following table...

Страница 8: ...n Primary among these is the assumed level of CO in the atmosphere See the Theory of Process Calculation section for a complete explanation of this value It maybe necessary to change the apparent furn...

Страница 9: ...60 NNM 32 0 2000 1090 R 300 150 3000 1650 S 300 150 3000 1650 T 32 0 700 370 The Cold Junction correction is applied to all thermocouple types Analog Output Channels The analog outputs are factory con...

Страница 10: ...999 9999 PROG 0 4095 OUTPUT 2 MODE TEMP 800 3000 F 4 20mA O2 CARBON DEWPT TEMP LIN PROG O2 0 9999 C 0 00 2 55 DP 99 9 212 0 Temp 999 3000 LIN 999 9999 PROG 0 4095 NOTE SEE PAGE 4 FOR TYPICAL CALIBRATI...

Страница 11: ...0215 Tk Where E probe millivolts Tk probe temperature in degrees Kelvin The 20 95 is the O2 in air Percent Carbon e E 786 0 043102 Tk C 5 102 29 PF 400 e E 786 0 043102 Tk Where E probe millivolts Tk...

Страница 12: ...to these values can be made by writing to the appropriate memory register The Transmitter communicates in Modbus RTU Remote Terminal Unit protocol using 8 bit binary data characters Message character...

Страница 13: ...Transmitter is concerned they are all just memory locations but the response to each command is consistent with Modbus specifications The high order bit in this field is set by the slave device to ind...

Страница 14: ...ucture The following is an example of a function 06 call to change data in register 01 to 200 The response from the instrument confirms the new value as being set Transmit from Host or Master Address...

Страница 15: ...S 8 9 PARITY SETTING 00 Even Parity 7 bits 1 Stop bit 01 No Parity 8 bits 1 Stop bit 10 Odd Parity 7 bits 1 Stop bit BITS 10 11 RESPONSE DELAY 0 No delay applied to response 1 10ms delay applied to re...

Страница 16: ...LD JUNCTION TRIM COLD JUNCTION TRIM unsigned integer RANGE 128 TO 127 WHERE 1 COUNT 1 DEG C or F and 128 65408 HIGH BYTE HOST ADDRESS BITS 0 7 RANGE 0 255 07 7 SPARE SPARE 08 8 CONFIG0 Input Configura...

Страница 17: ...Fault BITS 6 7 SPARE BIT 8 CPU Fault BIT 9 Min Idle counter 0 BIT 10 Keyboard failure stuck key or a key was pressed during power up BIT 11 Flash Erase Failed BIT 12 Flash Checksum Failed BIT 13 EEPRO...

Страница 18: ...0 to 100 PO 0C 12 DAC_OFFSET_1 DAC 1 OFFSET CALIBRATION READ WRITE 0D 13 DAC_SPAN_1 DAC 1 SPAN CALIBRATION READ WRITE 0E 14 DAC_OFFSET_2 DAC2 OFFSET CALIBRATION READ WRITE 0F 15 DAC_SPAN_2 DAC2 SPAN...

Страница 19: ...WRITE 1C 14 BNUM LINEAR SPAN VALUE FOR INPUT B READ WRITE 1D 15 PROC This value is the calculated process value shown as an integer The decimal point and exponent values are required to determine the...

Страница 20: ...2 0 to 4095 is 4 to 20 ma In dual mode 4mA 100 12mA 0 20mA 100 READ WRITE 23 35 SPARE SPARE 24 36 SPARE SPARE 25 37 SPARE SPARE 26 38 SPARE SPARE 27 39 SPARE SPARE 28 40 SPARE SPARE 29 41 SPARE SPARE...

Страница 21: ...llivolts 0 1 millivolt Input Impedance 25 Megohm Cold junction compensation 1 deg F DC outputs Isolated 0 to 20mA 650 max Isolation 1000V DC AC Power input to signal inputs Power input to communicatio...

Страница 22: ...s Wire Size AWG 24 12 flexible stranded removable terminal blocks Max Torque 0 8 Nm CAUTION DO NOT CONNECT OR DISCONNECT HOUSING PLUGS WHILE MODULE IS POWERED OR UNDER LOAD Weight 10 oz Environmental...

Страница 23: ...1 2 RF Interference EN 55011 Enclosure class A Power main class A Note This instrument is designed for installation inside a grounded metal enclosure Always observe anti static precautions when instal...

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