Reliance Electric 45C-992 8-channel analog input module
May 30, 2026

Reliance Electric 45C-992 8-channel analog input module

Reliance Electric 45C-992 is an 8-channel analog input module designed for Shark XL PLC systems. It receives 0-10 VDC analog signals from field sensors and transmitters, and converts them into digital signals for the main controller. Featuring stable conversion performance and compact structure, it is suitable for long-term continuous operation in various industrial sites.

Description

Product Introduction

Reliance Electric 45C-992 is an 8-channel analog input module designed for Shark XL PLC systems. It receives 0-10 VDC analog signals from field sensors and transmitters, and converts them into digital signals for the main controller. Featuring stable conversion performance and compact structure, it is suitable for long-term continuous operation in various industrial sites.

Model Interpretation

45C represents the series code of Reliance Electric Shark XL I/O modules. 992 stands for the specific model of 8-channel 0-10 VDC analog input module. The complete model is used for product identification, ordering and inventory management.

Technical Parameters

This module is equipped with 8 single-ended analog input channels, with an input range of 0 to 10 volts direct current. It adopts 8-bit resolution and the conversion time per channel is 1 millisecond. The input impedance reaches 100 kiloohms. There is no electrical isolation between channels and internal logic circuits. It is fitted with LED indicators to show power supply and fault status. The operating temperature ranges from minus 20 degrees Celsius to 60 degrees Celsius, and the storage temperature ranges from minus 40 degrees Celsius to 85 degrees Celsius. It can work under relative humidity between 0 percent and 95 percent without condensation. The protection class is IP20, and it adopts dedicated DIN rail installation.

Interface and Communication Configuration

The module connects to the system backplane in plug-in mode to obtain power and transmit digital data. Front screw terminals are used for wiring of external analog signals and common ground. It realizes data interaction with the main controller through the backplane bus, and is not equipped with additional external communication ports.

Core Functions

It converts analog voltage signals collected from the field into standard digital signals for PLC processing. It supports multi-channel simultaneous signal acquisition to monitor multiple process parameters at the same time. It completes high-speed signal conversion to ensure real-time data transmission. The built-in indicators can feed back the operating state and fault information of the module in real time.

Application Scenarios

It is mainly used to collect analog signals of pressure, temperature, flow and liquid level in industrial process control systems. It applies to signal monitoring of various voltage-type sensors and transmitters on production lines, packaging equipment and mechanical devices. It is also widely used in factory auxiliary control systems and environmental monitoring occasions.

Operation and Maintenance Instructions

Install the module on the matched DIN rail and confirm the plug-in connection with the backplane is firm before powering on. Follow the polarity requirement to connect external analog lines, and strictly control the input voltage within the rated range. Check the indicator lights regularly during operation to judge the working condition. Keep the module clean and well ventilated to avoid dust accumulation and overheating. Cut off the whole system power before disassembly, inspection or replacement. Do not disassemble internal components without permission. Replace the entire module directly when permanent failure occurs. This product has been discontinued by the manufacturer, and surplus or refurbished products are generally used for replacement.


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