Allen-Bradley 1746sc-NO8i Analog Output Module

Allen-Bradley 1746sc-NO8i Analog Current Output Module

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DescriptionThe Allen-Bradley 1746sc-NO8i is a high-density, eight-channel analog current output module engineered by Spectrum Controls for integration within the SLC...

رمز المنتج: 1746sc-NO8i

Manufacturer: Allen-Bradley
Product No.: 1746sc-NO8i
Product Type: Analog Output Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Description

The Allen-Bradley 1746sc-NO8i is a high-density, eight-channel analog current output module engineered by Spectrum Controls for integration within the SLC 500 programmable controller platform. This module is specifically designed to provide precise control signals for industrial field devices, including actuators, variable frequency drives (VFDs), and modulating control valves. By offering eight outputs in a single-slot configuration, it maximizes chassis efficiency in both local and remote I/O rack setups.

Features

Eight isolated current output channels for high-density applications.
16-bit resolution ensures high-precision signal output for sensitive control loops.
Compatible with standard SLC 500 backplane architectures.
Supports configurable signal ranges of 0–20 mA and 4–20 mA.
Designed for demanding industrial environments with robust operating temperature tolerances.

Applications

This module is frequently utilized in process control environments requiring high-channel-count analog output, such as chemical processing, water treatment, and automated manufacturing lines. Typical use cases include driving final control elements like valve positioners and providing retransmitted signals to external monitoring systems or data loggers.

Technical Specifications

Manufacturer	Spectrum Controls
Product Line	SLC 500
Output Channels	8
Resolution	16-bit
Signal Ranges	0–20 mA, 4–20 mA
Backplane Current (5V DC)	120 mA
Backplane Current (24V DC)	240 mA
Operating Temperature	0 to 60 degC
Storage Temperature	-40 to 85 degC

Installation Guidelines

Ensure the PLC chassis power is disconnected before installing or removing the module.
Use shielded twisted-pair cabling for analog signals to minimize electromagnetic interference (EMI).
Ground the cable shields at the module end or according to your specific system grounding plan to avoid ground loops.
Terminal screws should be tightened to 7–9 lb-in; do not exceed these torque specifications to avoid damaging the terminal block.
Ensure the module is fully seated in the chassis slot and the mounting screws are tightened to secure the unit.
Maintain adequate ventilation within the cabinet to stay within the 0 to 60 degC operating range.

FAQ

What is the primary function of the 1746sc-NO8i?
It is an analog output module used to convert digital values from an SLC 500 controller into precise current signals (0–20 mA or 4–20 mA) to control field equipment.

Is this module compatible with standard SLC 500 chassis?
Yes, it is designed to fit directly into a single slot of an Allen-Bradley SLC 500 chassis.

What is the maximum wire gauge for the terminals?
The terminal blocks accept wire sizes up to 14 AWG.

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