Product Model
1756-IF8I
Selling Points
- 11. High Resolution Conversion: The 1756-IF8I boasts a superior 24-bit conversion resolution, ensuring precise measurements in various industrial applications.;
- 22. Isolated Channels: Each of the 8 input channels is isolated, providing a safe and reliable connection to your system, reducing the risk of electrical interference or damage.;
- 33. Versatile Signal Support: This module supports both voltage and current signals, allowing it to interface with a wide range of transmitters and sensors, making it highly versatile.;
- 44. Internal Loop Power: In sourcing current mode, the channel provides loop power, simplifying the setup and reducing the need for external power sources.;
- 55. Enhanced Diagnostic Capabilities: The module includes overvoltage protection, data warnings, and process alerts, ensuring that any issues are quickly detected and addressed, minimizing downtime and improving overall system reliability.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Dimension Unit | CM | Weight Unit | KG |
Weight | 0.365 | Stock Status | STOCKED |
Dimension Length | 23.622 | Dimension Width | 18.034 |
Lead Time | 5 | Dimension Height | 5.588 |
Quick Turnaround | false | Preferred Availability | true |
Repairable | REPAIRABLE | Enclosure type rating | None (open-style) |
IEC temperature code | T4 | Isolation voltage | 250V (continuous), reinforced insulation type, inputs to backplane, 250V (continuous), basic insulation type, input to input |
Input impedance | Voltage mode: 1 G? approximately (powered), Voltage mode: 7500 ? approximately (unpowered), Current mode: 125 ? approximately | Slot width | 1 None |
Shock | Operating: 30 G, Non operating: 50 G | Vibration | 2 G @ 10...500 Hz |
RTB keying | User-defined mechanical | Nonoperating temperature | -40 °C |
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 | Operating temperature | 0 to 60 °C |
Surge transient immunity | ±2 kV line-earth (CM) on shielded signal ports | Conducted RF immunity | 10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHz on shielded signal ports |
Relative humidity | 5...95% noncondensing | EFT/B immunity | ±4kV @ 5kHz on shielded signal ports |
ESD immunity | 6 kV contact discharges, 8 kV air discharges | Emissions | IEC 61000-6-4 |
North American temperature code | T4 | Surrounding air temperature, max | 60 °C |
Sourcing current, max | Current limited <45 mA (IN_x/I/SRC to RTN_x) | Sourcing voltage, max | 36V DC (open circuit) |
Sourcing voltage, min | 20V DC | Real-time channel sampling | True |
Scaling to engineering units | True | Onboard data alarming | True |
Suitable for safety functions | False | Open circuit detection time | 5 s |
Calibrated accuracy | 0.05% @ 25°C (77 °F) | Wire size | 0.33...2.1 mm2 (22...14 AWG) solid or stranded shielded copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulation maximum |
Resolution | 24 bit, ±10.5V (1.49 μV/count), 0...10.5V (1.49 μV/count), 0...5.25V (1.49 μV/count), 0...21 mA (2.99 nA/count) | Power dissipation | Voltage mode: 4.6 W (15.7 BTU/hr), Non-sourcing current mode: 5.1 W (17.4 BTU/hr), Sourcing current mode: 7.3 W (24.9 BTU/hr) |
Inputs | Eight isolated channels - any combination of voltage or current mode | Current draw | 200mA @ 5.1V, Voltage/Non-sourcing current mode: 150mA @ 24V, Sourcing current mode: 400mA @ 24V (In sourcing current mode, the channel provides loop power.) |
Thermal dissipation | Voltage mode: 15.7 BTU/hr, Non-sourcing current mode: 17.4 BTU/hr, Sourcing current mode: 24.9 BTU/hr | Total backplane power | Voltage/Non-sourcing current mode: 4.6 W, Sourcing current mode: 10.6 W |
Settling time | Notch Filter configuration dependent | Voltage and current ratings | Backplane: 5.1V DC 200mA @ 24V DC 400 mA, Input voltage: -10V to +10V @ 0V to 10V @ 0V to 5V, Input current: 0 mA to 20 mA, Output current: 0 mA to 20 mA |
Module input scan time, min | 1 ms | Normal mode noise rejection | 80 dB @ 60 Hz |
Common mode noise rejection | 120 dB @ 50/60 Hz | Overvoltage protection | ±30V DC maximum |
Wire category | 2 - on signal ports | Data format | IEEE 32-bit floating point |
Input range | -10...10V, 0â¦10V @ 0...5V, 0...20 mA | Module conversion method | Sigma-Delta |
Module error over full temperature range | 0.1 % | Module keying | Electronic, software configurable |
Channel bandwidth | Notch Filter configuration dependent | Type of electric connection | Screw-/spring clA connection |
Analogue outputs configurable | False | Analogue inputs configurable | True |
Output signal configurable | False | Output, voltage | False |
Output, current | False | Input signal, configurable | True |
Input, thermocouple | False | Input, resistance thermometer | False |
Input, resistor | False | Input, voltage | True |
Input, current | True |
Specifications may be subject to change without notice