Product Model
1756-OF8I

Selling Points
- 11. Isolated Outputs: The 1756-OF8I features 8 isolated analog output channels, ensuring that each output is electrically isolated from the others, which enhances system reliability and reduces the risk of electrical interference.;
- 22. High Precision: With a 16-bit resolution, the module offers high precision in analog output, making it suitable for applications requiring precise control and measurement.;
- 33. Versatile Output Modes: The module supports both voltage and current output modes, allowing users to choose the most suitable output type for their specific application needs.;
- 44. Robust Design: Designed for industrial environments, the 1756-OF8I operates within a wide temperature range (0°C to 60°C) and can withstand high relative humidity and vibration, ensuring reliable operation under harsh conditions.;
- 55. Compliance with Industry Standards: The module is certified to various international standards, including ATEX, CE, C-Tick, and IECEx, ensuring compliance with global regulatory requirements and enhancing its use in diverse industrial settings.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Dimension Unit | CM | Weight Unit | KG |
Weight | 0.363 | Stock Status | STOCKED |
Dimension Length | 23.368 | Dimension Width | 17.78 |
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, outputs to backplane, 250V (continuous), basic insulation type, output to output |
Slot width | 1 | 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 | Relative humidity | 5...95% noncondensing |
EFT/B immunity | ±4kV @ 5kHz on 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 | Output impedance | 46 ? (Current output) |
Suitable for safety functions | No | 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 | 16 bit, ±10.5V (0.32 mV/count), 0...10.5V (0.16 mV/count), 0...5.25V (0.08 mV/count), 0...21 mA (0.32 μA/count) |
Power dissipation | Voltage mode: 5.4 W (18.4 BTU/hr), Current mode with 250 ? loads: 5.4 W (18.4 BTU/hr), Current mode with 500 ? loads: 5.8 W (19.8 BTU/hr), Current mode with 750 ? loads: 6.5 W (22.2 BTU/hr), Current mode with 1000 ? loads: 6.7 W (22.9 BTU/hr) | Inputs | Eight isolated channels - any combination of voltage or current mode |
Current draw | 200mA @ 5.1V, Voltage or current mode with 250 ? loads = 220mA @ 24V, Current mode with 500 ? loads = 275mA @ 24V, Current mode with 750 ? loads = 340mA @ 24V, Current mode with 1000 ? loads = 385mA @ 24V | Thermal dissipation | Voltage mode = 18.4 BTU/hr, Current mode with 250 ? loads = 18.4 BTU/hr, Current mode with 500 ? loads = 19.8 BTU/hr, Current mode with 750 ? loads = 22.2 BTU/hr, Current mode with 1000 ? loads = 22.9 BTU/hr |
Module scan time | 1 ms minimum | Total backplane power | Voltage mode = 6.3 W, Current mode with 250 ? loads = 6.3 W, Current mode with 500 ? loads = 7.6 W, Current mode with 750 ? loads = 9.2 W, Current mode with 1000 ? loads = 10.2 W |
Settling time | <2 ms to 95% of final value with resistive loads | Overvoltage protection | ±30V DC (voltage/current) |
Wire category | 2 - on signal ports | Data format | IEEE 32-bit floating point |
Short circuit detection | Voltage output = Yes | Drive capability | Current output = 0...1000 ?, Voltage output =>1000 ? |
Open circuit detection | Current output = Yes | Module conversion method | R-Ladder DAC, monotonicity with no missing codes |
Module error over full temperature range | 0.1 % | Module keying | Electronic, software configurable |
Output range | -10â¦10V, 0â¦10V, 0â¦5V, 0â¦20 Ma | Type of electric connection | Screw-/spring clA connection |
Analogue outputs configurable | No | Analogue inputs configurable | Yes |
Output signal configurable | No | Output, voltage | No |
Output, current | No | Input signal, configurable | Yes |
Input, thermocouple | No | Input, resistance thermometer | No |
Input, resistor | No | Input, voltage | Yes |
Input, current | Yes |
Specifications may be subject to change without notice