Product Model
TM3TI8TG

Selling Points
- 1High-Resolution Analog Input: 16-bit resolution for accurate temperature readings.
- 2Versatile Input Types: Supports multiple thermocouples (K, J, R, S, B, E, T, N) and thermistors (NTC, PTC).
- 3Wide Temperature Range: Measures temperatures from -200°C to 2315°C with various thermocouples.
- 4Fast Conversion Time: 100 ms sampling duration per channel with sigma delta ADC conversion mode.
- 5Robust Design: Withstands 1 kV surge protection and meets IEC 60715 mounting standards.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Range of Product | Modicon TM3 | Product or Component Type | Analog input module |
Range Compatibility | Modicon M221<br />Modicon M241<br />Modicon M251<br />Modicon M262 | Analogue input number | 8 |
Analogue input type | thermocouple - 200...1000 °C thermocouple J<br /> thermocouple - 200...1300 °C thermocouple K<br /> thermocouple 0...1760 °C thermocouple R<br /> thermocouple 0...1760 °C thermocouple S<br /> thermocouple 0...1820 °C thermocouple B<br /> thermocouple - 200...400 °C thermocouple T<br /> thermocouple - 200...1300 °C thermocouple N<br /> thermocouple - 200...800 °C thermocouple E<br />NTC 10k thermistor -90...150 °C<br />PTC thermistor 100...10000 Ohm | Analogue input resolution | 16 bits<br />15 bits + sign |
Input impedance | >= 1 MOhm thermocouple<br />>= 1 MOhm temperature probe<br />>= 1 MOhm thermistor | LSB value | 0.1 °C thermocouple<br />0.1 °C NTC<br />1 Ohm PTC/NTC |
Conversion time | 100 ms + 100 ms per channel + 1 controller cycle time | Sampling duration | 100 ms |
Absolute accuracy error | +/- 0.2 % of full scale at 77 °F (25 °C) for thermocouple C 0...2315 °C<br />+/- 6 °C at 77 °F (25 °C) for thermocouple R, S 0...200 °C<br />+/- 0.2 % of full scale at 77 °F (25 °C) for thermocouple R, S 200...1760 °C<br />+/- 0.2 % of full scale at 77 °F (25 °C) for thermocouple B 300...1820 °C<br />+/- 0.4 % of full scale at 77 °F (25 °C) for thermocouple K - 200...0 °C<br />+/- 0.2 % of full scale at 77 °F (25 °C) for thermocouple K 0...1300 °C<br />+/- 0.4 % of full scale at 77 °F (25 °C) for thermocouple J - 200...0 °C<br />+/- 0.2 % of full scale at 77 °F (25 °C) for thermocouple J 0...1000 °C<br />+/- 0.4 % of full scale at 77 °F (25 °C) for thermocouple E - 200...0 °C<br />+/- 0.2 % of full scale at 77 °F (25 °C) for thermocouple E 0...800 °C<br />+/- 0.4 % of full scale at 77 °F (25 °C) for thermocouple T - 200...0 °C<br />+/- 0.2 % of full scale at 77 °F (25 °C) for thermocouple T 0...400 °C<br />+/- 0.4 % of full scale at 77 °F (25 °C) for thermocouple N - 200...0 °C<br />+/- 0.2 % of full scale at 77 °F (25 °C) for thermocouple N 0...1300 °C | Temperature Drift | +/- 0.01 %FS/°C |
Repeat accuracy | +/-0.5 %FS | Non-linearity | +/- 0.2 %FS |
Cross talk | <= 1 LSB | [Us] rated supply voltage | 24 V DC |
Supply voltage limits | 20.4…28.8 V | Type of cable | Twisted shielded pairs cable <98.4 ft (30 m) input |
Current consumption | 30 mA 24 V DC via external supply<br />45 mA 5 V DC via bus connector<br />40 mA 5 V DC via bus connector | Local signalling | for PWR 1 LED (green) |
Electrical connection | 10 x 1.5 mm² removable screw terminal block pitch 3.81 mm for inputs and supply<br />10 x 1.5 mm² removable screw terminal block pitch 3.81 mm for inputs | Insulation | Between input and supply 1500 V AC<br />Between input and internal logic 500 V AC |
marking | CE | Surge withstand | 1 kV power supply common mode IEC 61000-4-5<br />0.5 kV power supply differential mode IEC 61000-4-5<br />1 kV input common mode IEC 61000-4-5 |
Mounting support | Top hat type TH35-15 rail IEC 60715<br />Top hat type TH35-7.5 rail IEC 60715<br /> plate or panel with fixing kit | Height | 3.5 in (90 mm) |
Depth | 2.8 in (70 mm) | Width | 0.9 in (23.6 mm) |
Net Weight | 0.2 lb(US) (0.1 kg) | Standards | IEC 61131-2 |
Product Certifications | CE<br />UKCA<br />RCM<br />EAC<br />cULus<br />cULus HazLoc | Resistance to electrostatic discharge | 8 kV in air IEC 61000-4-2<br />4 kV on contact IEC 61000-4-2 |
Resistance to electromagnetic fields | 9.1 V/m (10 V/m) 80 MHz...1 GHz IEC 61000-4-3<br />2.7 V/m (3 V/m) 1.4 GHz...2 GHz IEC 61000-4-3<br />0.9 V/m (1 V/m) 2 GHz...3 GHz IEC 61000-4-3 | Resistance to magnetic fields | 98.4 A/m (30 A/m) IEC 61000-4-8 |
Resistance to fast transients | 1 kV IEC 61000-4-4 I/O) | Resistance to conducted disturbances | 10 V 0.15...80 MHz IEC 61000-4-6<br />3 V spot frequency (2, 3, 4, 6.2, 8.2, 12.6, 16.5, 18.8, 22, 25 MHz) Marine specification (LR, ABS, DNV, GL) |
Electromagnetic emission | Radiated emissions 40 dBμV/m QP class A 10 m)30…230 MHz IEC 55011<br />Radiated emissions 47 dBμV/m QP class A 10 m)230…1000 MHz IEC 55011 | Immunity to microbreaks | 10 ms |
Ambient Air Temperature for Operation | 14…131 °F (-10…55 °C) horizontal installation<br />14…95 °F (-10…35 °C) vertical installation | Ambient Air Temperature for Storage | -13…158 °F (-25…70 °C) |
Relative humidity | 10…95 %, without condensation in operation)<br />10…95 %, without condensation in storage) | IP Degree of Protection | IP20 |
Pollution degree | 2 | Operating altitude | 0...6561.68 ft (0...2000 m) |
Storage altitude | 0.0000000000…9842.5 ft (0…3000 m) | Vibration resistance | 3.5 mm 5…8.4 Hz DIN rail<br />3 gn 8.4…150 Hz DIN rail |
Shock resistance | 15 gn 11 ms |
Specifications may be subject to change without notice