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| 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 |
| Input offset drift with temperature | <=300 õA/ðC |
| Wire type | Copper |
| Terminal block torque specifications | 1756-TBCH: 0.5 Nm (4.4 lb.in) |
| Inrush current | 400 mA @ 5V, 450 mA @ 24V |
| Input conversion method | Sigma-Delta ADC (24-bit converter) |
| Module keying | Electronic, software configurable |
| Module error over full temperature range | 0.3% of range (all filters) with HART disabled |
| Input range | 0...20 mA (0...20.58 mA), 4...20 mA (3.42...20.58 mA) |
| Data format | 32-bit floating point |
| Wire category | 2 - on signal ports |
| Common mode noise rejection | >90 dB @ 50/60 Hz (10 Hz, 15 Hz or 20 Hz filters only) |
| Normal mode noise rejection | >90 dB @ 50 Hz and 60 Hz with 10 Hz filter, >74 dB @ 50 Hz and 60 Hz with 15 Hz filter, >33 dB @ 50 Hz and >90 dB @ 60 Hz with 20 Hz filter |
| Gain drift with temperature | 20 ppm/ðC |
| Voltage and current ratings | Backplane: 210 mA @ 5.1V DC, 110 mA @ 24V DC, Input voltage range: 5...30V DC, Input current range: 0...20 mA, 4...20mA |
| Typical module HART dynamic variables update time for all channels | 1 s typical if all channels are HART enabled Pass through messages, handheld communications, secondary masters, communication errors, or configuration changes can significantly increase the update time. |
| Module scan time | 18...488 ms (filter dependent) for all channels - analog, minimum |
| Inputs | Eight current inputs |
| Resolution | 16 to 21 Bit |
| Wire size | Single wire connection (1756-TBCH): 0.33...2.1 mmò (22...14 AWG) solid or stranded shielded copper wire, rated at 105 ðC (221 ðF) or greater, 1.2 mm (3/64 in.) insulation maximum, Single wire connection (1756-TBS6H): 0.33...2.1 mmò (22...14 AWG) solid or |
| Calibrated accuracy | 0.15...1.5% of full scale, filter dependent@ 25 ðC with HART disabled, 1.5% of full scale with 250 Hz filter @ 25 ðC with HART enabled, 0.5% of full scale with 100 Hz filter @ 25 ðC with HART enabled, 0.2% of full scale with 50 Hz or 60 Hz filter @ 25 ðC |
| Open circuit detection time | 5 s (4...20 mA range only) |
| Suitable for safety functions | No |
| Power dissipation within module | 4 W |
| Input overvoltage protection | 28.8V DC |
| Surrounding air temperature, max | 60 ðC |
| North American temperature code | T5 |
| Emissions | IEC 61000-6-4 |
| ESD immunity | 6 kV contact discharges, 8 kV air discharges |
| EFT/B immunity | ñ2kV at 5 kHz on signal ports |
| Relative humidity | 5...95% noncondensing |
| Conducted RF immunity | 10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHz on shielded signal ports |
| Surge transient immunity | ñ2 kV line-earth (CM) on shielded signal ports |
| Operating temperature | 0 ðC |
| Radiated RF immunity | 10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz |
| Nonoperating temperature | -40 ðC |
| RTB keying | User-defined mechanical |
| Vibration | 2 G @ 10...500 Hz |
| Shock | Operating: 30 G, Non operating: 50 G |
| Slot width | 1 |
| Calibration interval | 12 months typical |
| ATEX temperature code | T4 |
| IECEx temperature code | T4 |
| Input impedance | 250 â⦠ñ5 â⦠|
| Isolation voltage | 250V (continuous), Reinforced insulation type, inputs to backplane, Basic insulation type, input to input, and inputs to ground. |
| Enclosure type rating | None (open-style) |
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