| 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 |
90 µV/°C |
| Output conversion method |
R-Ladder DAC, monotonicity with no missing codes |
| Input range |
±10V, 0…5V, 1…5V, 0…10V, 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 |
Voltage: 30V DC maximum, Current: 8V DC maximum |
| Common mode noise rejection |
>100 dB @ 50/60 Hz |
| Normal mode noise rejection |
>80 dB @ 50/60 Hz |
| Module error |
Voltage: 0.1% of range, Current: 0.3% of range |
| Gain drift with temperature |
Voltage: 10 ppm/°C, Current: 20 ppm/°C |
| Voltage and current ratings |
Backplane: 5.1V DC, 300 mA, 24V DC, 135 mA, Input voltage range: -10…+10V, Input current range: 0…20 mA, 4…20mA |
| Total backplane power |
4.77 W |
| Thermal dissipation |
Voltage: 11.0 BTU/hr, Current: 13.7 BTU/hr |
| Inputs |
Eight differential voltage or current inputs, one HART modem per module |
| Power dissipation |
Voltage: 3.21 W, Current: 4.01 W |
| 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 |
Voltage: Better than 0.05% of range, Current: Better than 0.15% of range |
| Open circuit detection time |
Positive full scale reading within 5 s |
| Module HART scan time |
Analog: 18…488 ms filter dependent). HART: typically 1 s per HART channel enabled. Estimate 10 s if all 8 channels have HART enabled. Typically 1 s per HART channel enabled. Estimate 10 s if all 8 channels have HART enabled, Pass through messages, handh |
| Suitable for safety functions |
No |
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