TM3TI4 / TM3TI4G Characteristics
This section provides a description of the input characteristics of TM3TI4 / TM3TI4G expansion modules.
See also Environmental Characteristics.
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UNINTENDED EQUIPMENT OPERATION |
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Do not exceed any of the rated values specified in the environmental and electrical characteristics tables. |
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Failure to follow these instructions can result in death, serious injury, or equipment damage. |
The following diagrams show the external dimensions for the TM3TI4 / TM3TI4G expansion modules:
NOTE: *8.5 mm (0.33 in.) when the clamp is pulled out.
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Characteristics |
Value |
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Rated power supply voltage |
24 Vdc |
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Power supply range |
20.4...28.8 Vdc |
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Connector insertion/removal durability |
100 times minimum |
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Current draw on 5 Vdc internal bus |
40 mA (no load) 40 mA (full load) |
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Current draw on 24 Vdc internal bus |
0 mA |
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Current draw on external 24 Vdc |
35 mA (no load) 40 mA (full load) |
The following table describes the input characteristics of the TM3TI4 / TM3TI4G expansion modules:
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Characteristics |
Value |
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Voltage input |
Current input |
Thermocouple type |
3-wire-RTD |
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Input range |
0...10 Vdc –10...+10 Vdc |
0...20 mA 4...20 mA |
K |
–200...1300 °C (–328...2372 °F) |
PT100 |
–200...850 °C (–328...1562 °F) |
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J |
–200...1000 °C (–328...1832 °F) |
PT1000 |
–200...600 °C (–328...1112 °F) |
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R |
0...1760 °C (32...3200 °F) |
NI100 |
–60...180 °C (–76...356 °F) |
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S |
0...1760 °C (32...3200 °F) |
NI 1000 |
–60...180 °C (–76...356 °F) |
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B |
0...1820 °C (32...3308 °F) |
– |
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E |
–200...800 °C (–328...1472 °F) |
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T |
–200...400 °C (–328...752 °F) |
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N |
–200...1300 °C (–328...2372 °F) |
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C |
0...2315 °C (32...4199 °F) |
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Input impedance |
1 MΩ min |
50 Ω max |
1 MΩ min |
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Sample duration time (software configurable) |
10 ms or 100 ms per enabled channel |
100 ms per enabled channel |
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Input type |
Single-ended input. Use only isolated thermocouples. All the shields of the sensor cables must be referenced to the logic controller ground. |
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Operating mode |
Self-scan |
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Conversion mode |
Sigma delta ADC |
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Max accuracy at ambient 25 °C (77 °F) |
±0.2 % of full scale |
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– |
Cold junction accuracy ±4.0 °C (±7.2 °F) |
– |
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except: |
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R S |
±6.0 °C (0...200 °C) (±10.8 °F (32...392 °F)) |
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B |
Not available (0...300 °C (32...572 °F)) |
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K J E T N |
±0.4 % of full scale under 0 °C (32 °F) |
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Temperature drift |
±0.01 % of full scale |
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Repeatability after stabilization time |
±0.5 % of full scale |
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Nonlinearity |
±0.2 % of full scale |
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Maximum input deviation |
±1.0 % of full scale |
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Resolution |
16 bits, or 15 bits + sign (65536 points) |
K J R S B E T N C |
15000 points 12000 points 17600 points 17600 points 18200 points 10000 points 6000 points 15000 points 23150 points |
PT100 PT1000 NI100 NI1000 |
10500 points 8000 points 2400 points 2400 points |
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Input value of LSB |
2.44 mV (range 0...10 Vdc) 4.88 mV (range –10...+10 Vdc) |
4.88 µA (range 0...20 mA) 3.91 µA (range 4...20 mA) |
0.1 °C (0.18 °F) |
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Data type in application program |
Scalable from –32768 to 32767 |
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Input data out of range detection |
Yes |
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Noise resistance |
Maximum temporary deviation during perturbations |
±4 % maximum when EMC perturbation is applied to the power and I/O wiring |
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Cable |
Twisted-pair shielded cable |
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Crosstalk |
1 LSB max |
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Isolation |
Between external power supply and inputs |
1500 Vac |
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Between inputs and internal logic circuits |
500 Vac |
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Between inputs |
Not isolated |
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Maximum continuous allowed overload (no damage) |
13 Vdc |
40 mA |
N/A |
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Input filter |
Software filter: 0...10 s (per 0.01 s unit) |
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Behavior when temperature sensor is broken |
N/A |
Input value is highest limit value Highest limit flag is ON |
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Behavior when external power is off |
Input value is 0 |
Input value is highest limit value |
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The External power supply error status bit in the controller is ON. |
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