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DIN Rail Mounting Temperature Transmitters

Isolated DIN Rail Mounting Universal Input/Output Transmitter

Product Code: TXDU4

Please enter your configuration requirements below (see table for options). Enter "Not Required" if configuration is not required. Example: Thermocouple Type K Input, 4~20mA Output, 0 to 180

Sorry, this product is no longer available.

Please contact sales on 01628 531166 for alternative options.
The TXDU4 DIN rail mounting isolated transmitters are microprocessor based and fully linearised. As standard they can be configured to have the following inputs/outputs:

Inputs
• RTD (Pt100 or Pt1000)
• Thermocouple (Types K, J, T, N, E, R, S, B)
• Millivolts (mV)
• Milliamps (mA)
• Voltage (V)
• Potentiometer

Outputs
• Voltage: 0 to 10V DC or -10 to 10V DC
• Current: 4~20mA, 0~20mA, 20~4mA, 20~0mA

We can offer the following pre-configuration options (note: temperature range must fall within minimum/maximum range for an input)

Input TypeOutput TypeMin TemperatureMax Temperature
Thermocouple Type K4~20mA or 0~10V DC-200°C+1372°C
Thermocouple Type J4~20mA or 0~10V DC-100°C+1200°C
Thermocouple Type T4~20mA or 0~10V DC-200°C+400°C
Thermocouple Type N4~20mA or 0~10V DC-180°C+1300°C
Thermocouple Type E4~20mA or 0~10V DC-100°C+1000°C
Thermocouple Type R4~20mA or 0~10V DC-50°C+1760°C
Thermocouple Type S4~20mA or 0~10V DC-50°C+1760°C
Thermocouple Type B4~20mA or 0~10V DC0°C+1820°C
Pt100 3-wire4~20mA or 0~10V DC-200°C+850°C
Pt1000 3-wire4~20mA or 0~10V DC-200°C+850°C

The units accept a 21-300V DC or 85-265V AC direct power supply (not loop powered). For ease of installation we can supply with the inputs and outputs configured to suit your application requirements. Alternatively they can be easily configured using the TX-USB Configuration Kit. Simply install the software (which is available for free download from our website), connect the USB configuration module and plug the lead into the transmitter. The software will then provide the necessary prompts.

Technical Details (Common)
Configuration4-wire
OutputVoltage: 0 to 10V DC or -10 to 10V DC
Current: 4~20mA, 0~20mA, 20~4mA, 20~0mA
Power Supply21-300V DC or 85-265V AC
Isolation Test VoltagesBetween input/output: 3750V AC for 1 minute
Accuracy< ±0.03% FSO typical
Ambient Drift< ±0.003%/°C FSO typical
Noise Immunity125dB CMRR average (2.0kV DC limit)
R.F. Immunity<1% effect FSO typical
Reponse Time400ms typical (10-90% 300ms typical)
USB Programmable Zero0 to ±99% of the span (Potentiometer input N/A)
Operating Temperature-20°C to +85°C
Storage Temperature-20°C to +100°C
Operating Humidity5-85% RH max (non-condensing)
Mounting35mm symmetrical DIN rail
Dimensions30mm (W) x 79mm (H) x 68mm (D)
EMC ComplianceEmissions (EN 61326)
Immunity (EN 61326)
Safety (EN 61010-1)

 

RTD Input Specifications
InputPt100 or Pt1000 DIN 3-wire type (2-wire can be used with offset calibration)
Sensor Current0.15mA nominal
Lead Wire ResistancePt100: 10Ω/wire max.
Pt1000: 5Ω/wire max.
0.02% FSO offset error per Ω of lead resistance
Accuracy≤ 0.1°C (0°C to +100°C)
≤0.3°C (-200°C to 0°C; +100°C to +850°C)
USB Programmable Span-200°C to +850°C
Sensor Break Output DriveFunction high upscale/low downscale
Linearity (Pt100)0.02% FSO for span inputs ≤ +200°C
0.1% FSO for span inputs ≤ +850°C
Linearity (Pt1000)0.02% FSO for span inputs ≤ +200°C
0.2% FSO for span inputs ≤ +520°C

 

Thermocouple Input Specifications
Thermocouple TypesK, J, T, N, E, R, S, B
Input Impedance1MΩ min
Thermocouple Lead Resistance100Ω max
Cold Junction Compensation-20°C to +90°C
AccuracyTypes K, J, T, N, E: < ±1°C
Types R, S, B: < ±2°C
Temperature DriftTypes K, J, T, N, E: < ±0.05°C
Types R, S, B: < ±0.2°C
Sensor Break Output DriveFunction high upscale/low downscale
CJC Error< ±1°C

 

Current Input Specifications
Field Programmable Span1μA-24mA DC
Input Resistance10Ω
Maximum Over-Range50mA DC continuous
Linearity and Repeatability< ±0.02% FSO typical

 

Voltage Input Specifications
USB Programmable Span100mV to ±10V DC (bipolar)
Input Resistance300kΩ min
Maximum Over-Range60V DC continuous
Linearity and Repeatability< ±0.02% FSO typical

 

Potentiometer Input Specifications
Potentiometer Input3-wire potentiometer
Excitation Voltage1.2V DC
Potentiometer Resistance0-2KΩ low pot, 0-1MΩ high pot
Field Programmable Zero0-90% of the span
Field Programmable Span0.1-100%
Linearity and Repeatability< ±0.02% FSO typical


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