Product Model
1756-OF8IH
Selling Points
- 11. High Precision Output: The 1756-OF8IH module delivers precise 4-20 mA outputs, ensuring accurate control and monitoring in industrial processes. Its HART capability enhances connectivity and data accessibility.;
- 22. Isolated Analog Outputs: Featuring 8 isolated analog output channels, this module ensures safe and reliable operation by preventing electrical noise and interference. This is particularly crucial in harsh industrial environments.;
- 33. HART Capability: With HART (Highway Addressable Remote Transducer) capability, the module provides additional connectivity for accessing module data. This feature enhances the module's functionality and integration capabilities.;
- 44. Industrial-Grade Reliability: Designed for the demanding requirements of industrial automation, the 1756-OF8IH module is built to withstand extreme temperatures and environmental conditions. It operates within a temperature range of 0 to 60°C, ensuring continuous performance.;
- 55. Comprehensive Certification: The module is certified for various international standards, including CE, CUL, KC, RCM, and UL. This ensures compliance with global safety and performance regulations, making it suitable for a wide range of industrial applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Dimension Unit | CM | Weight Unit | KG |
Weight | 0.408 | Stock Status | STOCKED |
Dimension Length | 23.876 | Dimension Width | 18.542 |
Lead Time | 5 | Dimension Height | 5.334 |
Quick Turnaround | false | Preferred Availability | true |
Repairable | REPAIRABLE | Enclosure type rating | None (open-style) |
Isolation voltage | 250V (continuous), Reinforced insulation type, outputs to backplane, Basic insulation type, output to output, and outputs to ground. | IECEx temperature code | T4 |
ATEX temperature code | T4 | Calibration interval | 12 mo typical |
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 °C <Ta <60 °C (32 °F <Ta <140 °F) | Surge transient immunity | ±2kV line-earth (CM) on shielded 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 | ±2kV @ 5kHz on signal ports | ESD immunity | 6 kV contact discharges, 8 kV air discharges |
Emissions | IEC 61000-6-4 | North American temperature code | T4A |
Surrounding air temperature, max | 60 °C | Output short circuit protection | Current electronically limited to <=21 mA with no damage |
Suitable for safety functions | No | Calibrated accuracy | 0.15% @ 4...20mA, 25 °C (77 °F) |
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 | Resolution | 15 bit across 24 mA, 732 nA per bit |
Power dissipation | 6.5 W nominal (maximum), (<6.4 W with 50 ? load on all channels), (<6.5 W with 250 ? load on all channels), (<6.7 W with 750 ? load on all channels) | Current draw | 400 mA (estimated) @ 24V @ 24V |
Module scan time | Estimate 1 s if all channels are HART enabled, Pass through messages, handheld communications, sary masters, communication errors, or configuration changes can significantly increase the update time. | Settling time | HART not enabled: <23 ms to 95% with resistive loads, HART enabled: <100 ms to 95% with resistive loads |
Voltage and current ratings | Backplane: 220mA @ 5.1V DC, 360mA @ 24V DC, Output voltage range: 5...30V DC, Output current range: 0...20mA @ 4...20mA | Gain drift with temperature | ±4 ppm of full scale range/°C |
Module error | 0.3% @ 4...20mA | Overvoltage protection | ±24V DC |
Wire category | 2 - on signal ports | Data format | IEEE 32-bit floating point |
Drive capability | 50...750 ? with short circuit survival | Open circuit detection | Current output only (output must be set >=0.1 mA) |
Outputs | 8 current | Output conversion method | R-Ladder DAC |
Offset drift | ±3 ppm of full scale range/°C (72 nA/°C typical) | Module keying | Electronic, software configurable |
Terminal block torque specifications | 1756-TBCH: 0.5 Nm (4.4 in-lb) | Load reactance | 10 μH maximum |
Output range | 0...20mA @ 4...20mA | Wire type | Copper |
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 |
Output Signal | 4-20mA | Number Of Channels | 8 |
Isolation | 250V (continuous), Reinforced insulation type, outputs to backplane. Basic insulation type, output to output, and outputs to ground. |
Specifications may be subject to change without notice