TM3AI2H / TM3AI2HG Characteristics
This section provides a general description of the characteristics of the TM3AI2H / TM3AI2HG 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 TM3AI2H / TM3AI2HG 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 |
30 mA (no load) 30 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 |
25 mA (no load) 25 mA (full load) |
The following table describes the input characteristics of the TM3AI2H / TM3AI2HG expansion modules:
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Characteristics |
Value |
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Voltage input |
Current input |
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Input range |
0...10 Vdc –10...+10 Vdc |
0...20 mA 4...20 mA |
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Input impedance |
1 MΩ min |
50 Ω max |
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Sample duration time |
1 ms per enabled channel |
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Input type |
Single-ended input |
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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) |
±0.1 % of full scale |
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Temperature drift |
±0.006 % of full scale |
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Repeatability after stabilization time |
±0.5 % of full scale |
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Nonlinearity |
±0.01 % 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) |
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Input value of LSB |
0.153 mV (range 0...10 Vdc) 0.305 mV (range –10...+10 Vdc) |
0.305 µA (range 0...20 mA) 0.244 µA (range 4...20 mA) |
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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, max 30 m |
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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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Maximum continuous allowed overload (no damage) |
13 Vdc |
40 mA |
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Input filter |
Software filter: 0...10 s (per 0.01 s unit) |
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Behavior when external power is off |
Input value is 0 The External power supply error status bit in the controller is ON. |
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