1756-OF8I

Name: 1756-OF8I
Brand: ROCKWELL
SKU: 1756-OF8I

The Allen Bradley 1756-OF8I is an 8-point isolated analog output module designed for ControlLogix systems. It provides single-ended voltage and current outputs, ensuring high precision and reliability in industrial automation applications.

Product Model1756-OF8I

Product ID106991

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Isolated OutputsThe 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.
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2. High PrecisionWith a 16-bit resolution, the module offers high precision in analog output, making it suitable for applications requiring precise control and measurement.
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3. Versatile Output ModesThe module supports both voltage and current output modes, allowing users to choose the most suitable output type for their specific application needs.
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4. Robust DesignDesigned 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.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Input, current

Yes

Input, voltage

Yes

Input, resistor

Input, resistance thermometer

Input, thermocouple

Input signal, configurable

Yes

5. Compliance with Industry StandardsThe 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.

Output signal configurable

Analogue inputs configurable

Yes

Analogue outputs configurable

Type of electric connection

Screw-/spring clA connection

Output range

-10â¦10V, 0â¦10V, 0â¦5V, 0â¦20 Ma

Module keying

Electronic, software configurable

Module error over full temperature range

0.1 %

Module conversion method

R-Ladder DAC, monotonicity with no missing codes

Open circuit detection

Current output = Yes

Drive capability

Current output = 0...1000 ?, Voltage output =>1000 ?

Short circuit detection

Voltage output = Yes

Data format

IEEE 32-bit floating point

Wire category

2 - on signal ports

Overvoltage protection

Â±30V DC (voltage/current)

Settling time

<2 ms to 95% of final value with resistive loads

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

Module scan time

1 ms minimum

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

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

Inputs

Eight isolated channels - any combination of voltage or current mode

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)

Resolution

16 bit, Â±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 Î¼A/count)

Wire size

0.33...2.1 mm2 (22...14 AWG) solid or stranded shielded copper wire, rated at 90 Â°C (194 Â°F) or greater, 1.2 mm (3/64 in.) insulation maximum

Calibrated accuracy

0.05% @ 25Â°C (77 Â°F)

Suitable for safety functions

Output impedance

46 ? (Current output)

Surrounding air temperature, max

60 Â°C

North American temperature code

Emissions

IEC 61000-6-4

ESD immunity

6 kV contact discharges, 8 kV air discharges

EFT/B immunity

Â±4kV @ 5kHz 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

Surge transient immunity

Â±2 kV line-earth (CM) on shielded signal ports

Operating temperature

0 to 60 Â°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

Nonoperating temperature

-40 Â°C

RTB keying

User-defined mechanical

Vibration

2 G @ 10...500 Hz

Shock

Operating: 30 G, Non operating: 50 G

Slot width

Isolation voltage

250V (continuous), reinforced insulation type, outputs to backplane, 250V (continuous), basic insulation type, output to output

IEC temperature code

Enclosure type rating

None (open-style)

Repairable

REPAIRABLE

Preferred Availability

true

Quick Turnaround

false

Dimension Height

5.588

Lead Time

Dimension Width

17.78

Dimension Length

23.368

Stock Status

STOCKED

Weight

0.363

Weight Unit