Allen Bradley 1756-IF8H ControlLogix Analog Differential Input with HART Protocol, Current/Voltage, 8-Points 36-Pin,
1756-IF8H Allen Bradley ControlLogix 8 Point A/I HART Module
| 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 |
| Surrounding air temperature, max | 60 °C |
|---|---|
| North American temperature code | T5 |
| Emissions | IEC 61000-6-4 |
| ESD immunity | 6 kV contact discharges, 8 kV air discharges |
| EFT/B immunity | ±2kV 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 | ±2 kV line-earth (CM) on shielded signal ports |
| Operating temperature | 0 °C <Ta <60 °C (32 °F <Ta <140 °F) |
| 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 °C |
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