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Allen-Bradley 1746-NO8I
Allen-Bradley 1746-NO8I

Allen-Bradley 1746-NO8I SLC 500 Analog Current Output Module – High-Precision High-Performance 8-Channel Reliable Industrial-Grade

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Original price was: $ 720.00.Current price is: $ 639.00.

About this item

Allen-Bradley 1746-NO8I SLC 500 Analog Output Module is an 8-channel analog current output module designed for precise industrial process control. It provides 16-bit resolution and supports multiple current ranges, including 4–20 mA and 0–20 mA, making it suitable for controlling valves, drives, actuators, pumps, and other analog field devices. With fast response, flexible configuration, reliable Allen-Bradley 1746-NO8I SLC 500 integration,

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The Allen-Bradley 1746-NO8I SLC 500 Analog Current Output Module is a high-performance, high-precision 8-channel analog output module designed for industrial automation and process-control applications. Manufactured by  Allen-Bradley 1746-NO8I, this module is engineered to provide reliable analog current signals for controlling industrial field devices within an SLC 500 control system.

The Allen-Bradley 1746-NO8I is designed for flexible integration into SLC 500 chassis systems and can be configured through the appropriate SLC 500 programming environment. Its multi-channel design helps reduce the amount of hardware required when several analog outputs are needed, making it an efficient choice for industrial control panels and automation systems.

Specifications Details:

Allen-Bradley 1746-NO8I

 

Specification Details
Model Number 1746-NO8I
Manufacturer Allen-Bradley / Rockwell Automation
Series SLC 500
Module Type Analog Output Module
Output Type Analog Current Output
Number of Channels 8 single-ended analog output channels
Output Ranges 4–20 mA, 0–20 mA, 0–21 mA, and 0–21.5 mA, selectable per channel
Resolution 16-bit
D/A Converter Resolution 366 nA/count
Output Coding 0–32,767 proportional scaling
Output Step Response 1 ms, 0–95% of full scale
Channel Update Time Approx. 5 ms for all 8 channels in Class 1 mode; approx. 10 ms in Class 3 mode
Load Range 0–500 Ω
Non-Linearity 0.06% of full scale
Overall Accuracy 0.1% of full scale at 25°C; 0.2% at 60°C
Field Wiring-to-Backplane Isolation 500 V DC
Backplane Current Consumption Up to 120 mA at 5 V DC
Typical Backplane Power Consumption 5.6 W
Operating Temperature 0°C to +60°C
Storage Temperature −40°C to +85°C
Mounting 1746 SLC chassis; any chassis slot except slot 0
Terminal Block Removable
Status Indicators 8 green channel indicators + 1 green module-status indicator
Calibration Factory calibrated; no routine field calibration required
Product Status Discontinued by Rockwell Automation effective September 30, 2024
Feature Benefit
8 Analog Current Outputs Controls multiple analog field devices from a single SLC 500 module.
16-Bit D/A Resolution Provides precise analog output control for demanding industrial processes.
Multiple Current Ranges Supports 4–20 mA, 0–20 mA, 0–21 mA, and 0–21.5 mA for flexible integration.
Fast 1 ms Step Response Supports responsive process-control applications.
500 V DC Isolation Helps improve system protection and industrial operating reliability.
Configurable Output Functions Allows flexible configuration of ranges, scaling, limits, ramping, and fault behavior.
Output Clamping & Alarm Limits Helps maintain controlled and predictable operation during abnormal conditions.
Compact 8-Channel Design Provides multiple analog outputs while helping conserve SLC 500 chassis space.
Factory Calibration Simplifies installation and helps reduce routine maintenance requirements.
SLC 500 Integration Designed for integration with compatible Allen-Bradley SLC 500 control systems.
Application Use
PLC-Based Process Control Generates analog control signals for industrial processes.
Motor Speed Control Provides analog speed-reference signals to compatible drives.
VFD Speed References Sends analog current commands to variable frequency drives.
Valve & Actuator Control Controls proportional valves and industrial actuators.
Flow Control Systems Provides analog signals for regulating process flow.
Pressure Control Systems Supports proportional pressure-control applications.
Temperature Control Generates analog setpoints for temperature-control equipment.
Pump Control Provides variable control signals for industrial pumping systems.
Conveyor Automation Supports analog control of conveyor-related equipment.
Industrial Machine Control Provides analog outputs for automated machinery.
Process Instrumentation Interfaces with compatible analog industrial instruments.
SCADA & Automation Systems Provides analog output functionality within larger automation systems.
Chemical Processing Supports proportional control of process equipment.
Water & Wastewater Treatment Controls pumps, valves, and other process equipment.
Manufacturing & Production Lines Provides analog control signals for production equipment.
Industrial HVAC Control Supports proportional control of compatible HVAC equipment.
Analog Setpoint Generation Generates adjustable analog reference signals for control systems.
PID-Based Process Control Provides analog output signals for continuous closed-loop control.
📦 What’s Included
  • Allen-Bradley 1746-NO8I SLC 500 Analog Current Output Module
  • Removable Terminal Block for field wiring
  • Factory-calibrated analog output module
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