| Input, current |
Yes |
| Input, voltage |
Yes |
| Input, resistor |
No |
| Input, resistance thermometer |
No |
| Input, thermocouple |
No |
| Input signal, configurable |
Yes |
| Output, current |
No |
| Output, voltage |
No |
| Output signal configurable |
No |
| Analogue inputs configurable |
Yes |
| Analogue outputs configurable |
No |
| Type of electric connection |
Screw-/spring clamp connection |
| Wire type |
Copper |
| Terminal block torque specifications |
1756-TBCH: 0.5 Nm (4.4 lb.in) |
| Input conversion method |
Successive approximation |
| Module keying |
Electronic, software configurable |
| Offset drift |
27 µV/°C |
| Output conversion method |
R-Ladder DAC, monotonicity with no missing codes |
| Input range |
0…20 mA, 4…20 mA |
| Data format |
Integer mode (left justified, 2 s complement) IEEE 32-bit floating point |
| Wire category |
2 – on signal ports |
| Overvoltage protection |
8V DC maximum |
| Common mode noise rejection |
>90 dB @ 50/60 Hz (15 Hz and 20 Hz filters only) |
| Normal mode noise rejection |
74 dB @ 50/60 Hz (15 Hz filter) 90 dB @ 60 Hz (20 Hz filter) |
| Module error |
0.3% of range |
| Gain drift with temperature |
11 ppm/°C |
| Module input scan time, min |
11…328 ms (filter dependent) |
| Voltage and current ratings |
Backplane: 5.1V DC @ 200 mA, 24V DC @ 125 mA, Input current range: 0…20 mA, 4…20 mA |
| Total backplane power |
4.02 W |
| Thermal dissipation |
12 BTU/h |
| Inputs |
16 differential, current dedicated HART modem per channel |
| Power dissipation |
6 W maximum |
| Resolution |
16 to 21 Bit |
| Wire size |
Single wire connection (1756-TBCH): 0.33…2.1 mm² (22…14 AWG) solid or stranded shielded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, Single wire connection (1756-TBS6H): 0.33…2.1 mm² (22…14 AWG) solid or |
| Calibrated accuracy |
Better than 0.13% of range (all filters) |
| Open circuit detection time |
Positive full scale reading within 5 s |
| Module HART scan time |
Estimate 1 s if all channels are HART enabled |
| Suitable for safety functions |
No |
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