Red-lion ITMA Manual do Utilizador descarregar pdf

z USER PROGRAMMABLE INPUT

(THERMOCOUPLE TYPES J, K, T, & E, OR MILLIVOLT)

z 12 TO 42 VDC LOOP POWERED (4 TO 20 MA OUTPUT)

z MICROPROCESSOR CONTROLLED

z SIMPLE ADJUSTABLE RANGE SETTING (USING INPUT SIGNAL)

z THERMOCOUPLE BREAK DETECTION

z MOUNTS ON “T” AND “G” STYLE DIN RAILS

z 2-WAY ELECTRICAL ISOLATION (INPUT/OUTPUT & POWER)

z HIGH-DENSITY PACKAGING (22.5 MM WIDE)

z WIDE OPERATING TEMPERATURE RANGE

DESCRIPTION

The ITMA accepts a thermocouple or millivolt input and converts it into a 4

to 20 mA current output. The 4 to 20 mA output is linearly proportional to the

temperature or the millivolt input. This output is ideal for interfacing to

indicators, chart recorders, controllers, or other instrumentation equipment.

The ITMA is loop-powered which means that the same two wires are

carrying both the power and the output signal. The unit controls the output

current draw from 4 to 20 mA in direct proportion to the input change while

consuming less than 4 mA for power. The conversion to a current output signal

makes the ITMA less susceptible to noise interference and allows accurate

transmission over long distances. The 2-Way isolation allows the use of

grounded thermocouples which can provide additional noise reduction benefits.

The ITMA uses a ten position DIP switch to accomplish the input sensor

configuration, range selection, and unit calibration. A simple range setting

technique (Field Calibration) is used so the actual input signal adjusts the output

current for scaling. This technique eliminates the need for potentiometers which

are vulnerable to changes due to vibration.

The unit is equipped with a universal mounting foot for attachment to

standard DIN style mounting rails, including top hat rail (T) according to EN 50

022 - 35 × 7.5 and 35 × 15, and G profile according to EN 50 035 - G 32.

SAFETY SUMMARY

All safety related regulations, local codes and instructions that appear in the

manual or on equipment must be observed to ensure personal safety and to

prevent damage to either the instrument or equipment connected to it. If

equipment is used in a manner not specified by the manufacturer, the protection

provided by the equipment may be impaired.

SPECIFICATIONS

1. POWER: 12 to 42 VDC *(Loop powered). The power supply must have a

30 mA min. capacity.

[* Min. voltage must be increased to include the drop across any current

display indicator]

2. INPUT: J, K, T, E, mV [selectable via DIP switch]

3. OUTPUT: Loop powered (passive), 4 to 20 mA Linear output

Ripple: Less than 15 mV peak-to-peak max., across 250Ω load resistor (up

to 120 Hz frequencies).

4. RANGE & ACCURACY: (12 Bit resolution)

Accuracy: ± ( 0.075% Range + 0.25°C [Conformity] + 0.50°C [Ice Point])

at 23°C after 20 min. warm-up, conforming to ITS-90.

Note: TC Conformity and Ice Point do not apply to mV input.

Relative Humidity: Less than 85% RH (non-condensing)

Span: The input span can be set to a min. of 1/8 of the full scale range,

anywhere within that range.

Thermocouple Accuracy for each type and the corresponding ranges:

MODEL ITMA - INTELLIGENT THERMOCOUPLE MODULE WITH ANALOG OUTPUT

M2068B

POWER/

OUTPUT

12 3

456

TEST

ICE POINT

3.11 (79.0)

(83.8)

3.30

.886

(22.5)

RED LION CONTROLS

SWITCH

YORK, PA.MADE IN U.S.A.

OUTPUT CAL

FIELD CAL

BASIC CAL

ICE PT EN/DIS

OPEN SEN DN/UP

TC TYPE

RANGE

DIP SWITCH SETTINGS:

MODEL ITMA

RANGE

ENABLED

DISABLED

OPEN SEN

DOWN

TC TYPE

867

110

111

ON = 1

OFF = 0

M2069A

ITMA

DIMENSIONS In inches (mm)

(INPUT)

RANGE

ACCURACY

RANGE

WIRE COLOR

BS1843ANSI

0 -9 to 6 mV ± 0.0113 mV

1 1 1 1 0 1 -9 to 22 mV ± 0.0233 mV

2 1 1 1 1 0 -9 to 63 mV ± 0.0540 mV

3 1 1 1 1 1 -9 to 77 mV ± 0.0645 mV

N/AN/A

0 0 0 0 0 0 -136 to 111°C ± 0.19°C

1 0 0 0 0 1 69 to 575°C ± 0.38°C

2 0 0 0 1 0

338 to 800°C ± 0.35°C

3 0 0 0 1 1 -149 to 862°C ± 0.76°C

Yellow (+)

Blue (-)

White (+)

Red (-)

0 0 0 1 0 0 -200 to 541°C ± 0.56°C

1 0 0 1 0 1 427 to 1132°C ± 0.53°C

2 0 0 1 1 0 648 to 1372°C ± 0.54°C

3 0 0 1 1 1 -192 to 1372°C ± 1.17°C

Brown (+)

Blue (-)

Yellow (+)

Red (-)

0 0 1 0 0 0 -225 to 149°C ± 0.28°C

1 0 1 0 0 1 74 to 326°C ± 0.19°C

2 0 1 0 1 0 68 to 400°C ± 0.25°C

3 0 1 0 1 1 -200 to 400°C ± 0.45°C

White (+)

Blue (-)

Blue (+)

Red (-)

0 0 1 1 0 0 -111 to 311°C ± 0.32°C

1 0 1 1 0 1 276 to 609°C ± 0.25°C

2 0 1 1 1 0

DIP SWITCH

TYPE RANGE

6 7 8 9 10

377 to 1000°C ± 0.47°C

3 0 1 1 1 1

TEMPERATURE

& mV RANGE

-114 to 1000°C ± 0.84°C

Brown (+)

Blue (-)

Violet (+)

Red (-)

1 1 1 0 0

Ice Point Total Error

( ±0.19°C + ±0.25°C + ±0.50°C ) = ±0.94°C

Accuracy Example:

Type “J” Range “0”

-136°C to 111°C

CAUTION: Read complete Instructions prior

to installation and operation of the unit.

Note: DIP switch settings ON = 1 OFF = 0

Conformity

MODEL NO. DESCRIPTION PART NUMBER

ITMA Intelligent Thermocouple Module ITMA2003

ORDERING INFORMATION

Range

Bulletin No. ITMA-E

Drawing No. LP0382

Released 04/13

Tel +1 (717) 767-6511

Fax +1 (717) 764-0839

www.redlion.net

1 2 3 4 5 6 7 8

Resumo do Conteúdo

Página 1 - Ω load resistor (up

1 z USER PROGRAMMABLE INPUT (THERMOCOUPLE TYPES J, K, T, & E, OR MILLIVOLT) z 12 TO 42 VDC LOOP POWERED (4 TO 20 MA OUTPUT) z MICROPROCESSOR CONTR

Página 2 - BLOCK DIAGRAM

25. TC BREAK DETECTION: Upscale to 22.5 mA (nominal) or Downscale to 3.6 mA (nominal) [selectable via DIP switch]6. RESPONSE TIME: 400 msec (to within

Página 3 - Power/Output

35. In extremely high EMI environments, the use of external EMI suppression devices such as Ferrite Suppression Cores for signal and control cables is

Página 4 - 1.0 Field Calibration

4This calibration procedure can be used to assign the high and low input values if a thermocouple calibrator is not available.Note: To abort this cali

Página 5 - Step 3.1

512 to 42 VDCPower Supply±4 to 20 mAAIndicatorCurrent DisplayPOWER/OUTPUTM2068B+4 5-6Thermometer+TC-1 2 3Source+-PrecisionMillivoltAdjustableITMAIce P

Página 6 - 4.0 Basic Calibration

61234567 9810ON1234567 9810ON1 234567 9810ON1234567 9810ON1234567 9810ON21ON43 5678910ON312 54 67891012 to 42 VDCPower Supply±4 to 20 mAAIndicatorCurr

Página 7 - TROUBLESHOOTING

7APPLICATIONA meat processing plant needs to keep daily records of the process area temperature. FDA regulations require the temperature to be 22°C at

Página 8 - LIMITED WARRANTY

LIMITED WARRANTYThe Company warrants the products it manufactures against defects in materials and workmanship for a period limited to two years from

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Red-lion ITMA Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Hardware Red-lion ITMA. Red Lion ITMA User Manual Manual do Utilizador

Resumo do Conteúdo

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