ALL CATEGORIES

Seller Center
- Product Management
  
  Post Product
  
  Manage Products
  
  Featured Products
- Blog Management
  
  Post Blog Article
  
  Manage Blog Articles
  
  Manage Blog Categories
- Inquiry Management
  
  My Inquiries
  
  Buying Requests
- Analytics Center
  
  Performance Dashboard
  
  Product Analytics
  
  Visitor Analytics
Connect Your Store to WeChat

Follow Our Official Service Account
Manage Products & Inquiries Anywhere
Seller Services

Seller Services

Goldsupplier.com: 20 years of Global Trade Expertise, Empowering Your Business to Go Global!

Join GoldSupplier.com

Free & Instant Registration

Showcase Company & Products

Access Global Buying Requests

Register Now

Activate Verified Supplier Membership

Priority Verified Visibility

Claim Exclusive Buying Requests

Automated Multi-language Store

Verified Now

Launch Your EasyOcean Website

Full-Service Website Management

Google Page 1 Guarantee

Enhanced Brand Credibility

Launch Now
Buyer Services
Post Buying Request

Browse Product Categories

Featured Suppliers
Contact Platform Support

Help Center

Home > Electrical & Electronics > Electrical Control System > SCHNEIDER 140DRC83000 Relay Output Module

SCHNEIDER 140DRC83000 Relay Output Module

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

Get Latest Price

Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

Contact Supplier Request Quote Chat Now

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

guizhou

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
Contact Us

Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating Temperature -25℃-70℃

Relative Humidity 5%-95% (non-condensing)

Dimensions 100mm×140mm×210mm

I. Overview

Schneider 140DRC83000 is a high-precision analog input module, a core I/O component of the Modicon Quantum series control system, specifically designed for accurate acquisition of continuous process parameters in industrial scenarios. Serving as a key signal hub between the control system and on-site analog sensing devices (such as pressure transmitters, temperature sensors, level transmitters, flow sensors, etc.), this module efficiently converts continuous analog signals (current or voltage) output by on-site sensors into digital signals recognizable by the control system. It provides stable and reliable data support for closed-loop regulation, status monitoring, and safety interlocking in industrial processes.

It is widely used in industrial automation fields with strict requirements for analog acquisition accuracy and stability, including petrochemicals, chemical pharmaceuticals, power energy, metallurgical smelting, food processing, and precision manufacturing. The product adopts a modular reinforced design and an industrial-grade circuit architecture, featuring core advantages such as independent multi-channel configuration, high-precision analog-to-digital (AD) conversion, multiple isolation protections, full-dimensional diagnosis, and convenient integration. As a standard-compatible module for the Modicon Quantum series, it can be seamlessly integrated into the system rack. When used with Concept or EcoStruxure Control Expert programming software, it enables rapid parameter configuration and fault localization, offering a cost-effective solution for analog signal acquisition in complex industrial environments.

II. Technical Parameters

Parameter Category	Specific Specifications	Description
Channel Configuration	Number of channels: 8 independent analog inputs; Input type: Current/voltage configurable independently per channel; Wiring method: Spring-type or screw crimp terminals (optional), independent terminals for each channel; Isolation method: Every 4 channels form an isolation group, optoelectronic isolation between groups, capacitive isolation between channels and backplane bus	Independent single-channel configuration improves scenario adaptability; group isolation blocks interference between groups; optional wiring methods meet different construction requirements.
Input Performance Parameters	Current input: 4-20mA DC, 0-20mA DC (optional), input impedance: ≤100Ω; Voltage input: 0-10V DC, 1-5V DC, 0-5V DC (optional), input impedance: ≥100kΩ; Resolution: 16-bit; Sampling accuracy: ±0.05% FS (25℃±5℃), ±0.1% FS (operating temperature range); Sampling rate: 100Hz per channel (single channel), 500Hz (all channels); Temperature drift: ≤50ppm/℃	High resolution and accuracy ensure data acquisition precision; high sampling rate meets dynamic parameter monitoring needs; low temperature drift guarantees stable performance under environmental changes.
Safety Protection Parameters	Overcurrent protection: Built-in current-limiting resistor per channel, maximum input current ≤30mA; Overvoltage protection: ±36V DC clamping protection at input terminals; Short-circuit protection: No damage under continuous short circuit, automatic recovery after fault elimination; Polarity protection: Supports reverse input of signals without damage (≤30V DC)	Multiple electronic protections prevent module damage caused by sensor or line faults; polarity protection reduces the risk of wiring errors.
Isolation and Anti-Interference	Isolation voltage: 2500V AC (rms) between groups, 2000V AC (rms) between channels and ground, for 1 minute; Electromagnetic interference (EMI) resistance: Compliant with EN 61326-2-3 standard; ESD protection: ±15kV (air discharge), ±8kV (contact discharge); Surge protection: ±2kV (IEC 61000-4-5)	High-strength isolation and EMC protection design adapt to industrial environments with strong interference, ensuring stable and undistorted acquired signals.
Compatibility and Programming	Compatible systems: Schneider Modicon Quantum series PLC; Programming software: Concept V2.6 and above, EcoStruxure Control Expert V15 and above; Diagnostic functions: Channel-level overcurrent, overvoltage, short circuit, sensor disconnection diagnosis, module power fault alarm; Status indication: LED indicator per channel (green on = normal acquisition, red flashing = fault)	Seamless compatibility with Quantum systems; comprehensive diagnostic functions improve operation and maintenance efficiency; LED indicators facilitate on-site observation.
Environmental and Physical Parameters	Operating temperature: 0℃-60℃; Storage temperature: -40℃-85℃; Relative humidity: 5%-95% (no condensation); Protection class: IP20 (module itself); Installation method: Modicon Quantum standard rack slot installation; Power consumption: ≤12W (full load); Weight: Approximately 500g	Wide-temperature design adapts to conventional industrial environments; standard rack installation simplifies integration; reasonable power consumption controls system energy consumption.

III. Functional Features

Independent Single-Channel Configuration and Wide Scenario Adaptability: The 8 channels support independent configuration of input type (current/voltage) and signal range per channel. For example, channels 1-4 can be configured for 4-20mA DC to acquire pressure and level signals, while channels 5-8 can be set to 0-10V DC for temperature and flow signal acquisition. This eliminates the need to replace modules to meet the acquisition requirements of multiple sensor types. The current input impedance is ≤100Ω, compatible with transmitters for long-distance transmission (minimal impact from wire resistance); the voltage input impedance is ≥100kΩ, preventing attenuation of signals from high-impedance sensors. Independent zero-point and full-scale calibration for each channel allows precision fine-tuning for different sensors, improving the accuracy of acquired data.
High-Precision AD Conversion and High-Speed Sampling: Equipped with a 16-bit high-precision AD conversion chip and enhanced signal conditioning circuits, the sampling accuracy reaches ±0.05% FS (at room temperature) and maintains ±0.1% FS even within the 0℃-60℃ wide temperature range, meeting the needs of precision process control scenarios (e.g., pressure acquisition for chemical reactors). The module has a built-in low-temperature-drift reference voltage source (temperature drift ≤50ppm/℃), ensuring stable acquired data with no significant drift when the ambient temperature changes. The single-channel sampling rate is 100Hz, and the full-channel parallel sampling rate is 500Hz, enabling rapid capture of changes in dynamic process parameters (e.g., pipeline pressure fluctuations, reaction temperature rise curves). This provides real-time data support for the control system and avoids control delays.
Multiple Safety Protections and High Reliability: Each channel integrates a four-fold safety protection mechanism. In case of overcurrent, the built-in current-limiting resistor restricts the input current to within 30mA, preventing damage to the AD conversion chip due to sensor short circuits or overloads. The input terminal uses a combination of varistors and clamping diodes to limit overvoltage to within ±36V, protecting the input circuit. Polarity protection is supported—even if the sensor’s positive and negative wires are reversed, the module will not be damaged, reducing the risk of wiring errors. Continuous short-circuit protection ensures the module remains undamaged during line short circuits and automatically resumes normal acquisition after the fault is eliminated. The module uses industrial-grade high-stability components, with a Mean Time Between Failures (MTBF) of ≥250,000 hours, ensuring long-term stable operation.
Group Isolation and Enhanced Anti-Interference: The 8 channels are divided into 2 independent isolation groups (4 channels per group). 2500V AC optoelectronic isolation is used between groups, and capacitive isolation is applied between channels and the backplane bus. This completely blocks interference transmission between different sensor circuits, making it particularly suitable for complex scenarios with mixed access to multiple sensor types (e.g., simultaneous acquisition of pressure, temperature, and flow signals). The module integrates EMC-enhanced circuits, including surge suppression diodes, electromagnetic shielding layers, RC filter circuits, and signal isolation amplifiers. Compliant with the EN 61326-2-3 EMC standard, it can resist ±2kV surge impacts and high-frequency electromagnetic interference. Even in high-interference environments such as metallurgy and chemical industries, it can acquire stable analog signals without fluctuations or distortion.
Full-Dimensional Diagnosis and Intelligent Early Warning: It features a three-tier diagnostic system (channel-level, isolation group-level, and system-level) and enables multiple fault diagnoses through high-precision current sampling and voltage detection: input current exceeding 30mA is judged as overcurrent; current close to 0 with normal sensor power supply is identified as sensor disconnection; input voltage exceeding ±36V is classified as overvoltage; and failed AD conversion data verification is deemed a conversion fault. When a fault occurs, detailed information (including channel number and fault type) is immediately uploaded to the PLC host via the backplane bus to trigger an audible and visual alarm. The LED indicator of the corresponding channel flashes red, allowing operation and maintenance personnel to quickly locate the fault point without using professional instruments. It also supports real-time feedback of acquired data, sending the digital data after AD conversion back to the control system to achieve closed-loop verification of "signal acquisition - data feedback".
Convenient Installation and Operation & Maintenance Optimization: It adopts Modicon Quantum standard rack slot installation. After the module is inserted into the rack, it is automatically locked by a mechanical buckle, and the backplane bus completes power supply, communication, and address assignment automatically—no additional wiring is required, improving installation efficiency by over 40% compared to traditional modules. Two terminal types are optional: spring-type and screw crimp. Spring-type terminals are suitable for 0.5mm²-2.5mm² wires, offering fast wiring and vibration resistance; screw crimp terminals are compatible with 0.75mm²-4mm² wires, ensuring secure and reliable wiring. Each channel is equipped with an independent LED indicator: green on indicates normal acquisition, and red flashing indicates a fault. Operation and maintenance personnel can visually judge the channel’s operating status without professional instruments.
Seamless System Integration and Flexible Debugging: As a standard module of the Modicon Quantum series, it achieves mechanical, electrical, and software seamless compatibility with Quantum PLC hosts, allowing direct integration into existing control systems without additional adaptation devices. When used with Concept or EcoStruxure Control Expert programming software, it provides a graphical configuration interface, supporting rapid configuration of parameters such as input type, signal range, sampling rate, calibration parameters, and fault thresholds. It also supports online calibration, enabling precision calibration without removing the module. The software has a built-in sensor database, supporting quick adaptation to sensors of common brands and simplifying the debugging process.

IV. Working Principle

The core working principle of the Schneider 140DRC83000 analog input module is to achieve accurate acquisition of on-site continuous process parameters by the PLC system through a closed-loop process of "signal access - preprocessing - AD conversion - data transmission - fault diagnosis", as detailed below:

Signal Access and Preprocessing: Analog signals (current or voltage) output by on-site sensors (e.g., pressure transmitters, temperature sensors) are connected to the corresponding channels via terminals. The signals first enter the input protection circuit: varistors clamp voltage during overvoltage, current-limiting resistors restrict current during overcurrent, and polarity protection diodes block reverse current in case of reverse connection—all to protect subsequent circuits. The protected signals then enter the signal conditioning circuit: instrumentation amplifiers amplify weak signals (e.g., 4-20mA small current signals), and RC filter circuits remove high-frequency noise and spike pulses to ensure signal purity. Meanwhile, according to the input type configured for the channel, current or voltage signals are uniformly conditioned into standard voltage signals (e.g., 0-5V) recognizable by the AD conversion chip.
AD Conversion and Data Processing: The conditioned standard voltage signals are transmitted to the 16-bit AD conversion chip, which converts the analog signals into corresponding digital signals (e.g., converting 4-20mA current signals into digital values ranging from 0 to 65535). The converted digital signals are transmitted to the module’s microprocessor after isolation by the optoelectronic isolation unit, preventing interference from sensor circuits from spreading to the core circuits. The microprocessor performs scaling conversion on the digital signals: based on the channel’s preset signal range (e.g., 4-20mA corresponding to 0-10MPa pressure), it converts the digital values into actual physical quantity values. Simultaneously, linearity correction and temperature compensation are performed to eliminate system errors and the impact of temperature drift, improving data accuracy.
Data Transmission and Status Feedback: The processed physical quantity data is transmitted to the PLC host via the Modicon Quantum backplane bus for use by control programs or data storage. At the same time, the microprocessor backs up the original AD conversion data and the processed physical quantity data, which serve as the basis for fault diagnosis. The module feeds back its operating status to the host in real time via the bus, including the acquisition status of each channel, isolation group status, and power status. The host can monitor the module’s operation in real time through programming software. If communication anomalies occur during data transmission, the microprocessor immediately generates communication fault information and uploads it to the host to trigger an alarm.
Isolation and Interference Suppression: Optoelectronic isolation is used between the signal conditioning circuits of each group of channels and the microprocessor, ensuring that interference from sensor circuits does not spread to the module’s core control circuits. Capacitive isolation between channels and the backplane bus further blocks interference interaction between the bus side and the input side. The core circuits of the module are wrapped in an electromagnetic shielding layer to resist external electromagnetic radiation interference. Signal isolation amplifiers isolate the conditioned signals from the core circuits, ensuring accurate sampling data. Multiple isolation and interference suppression measures ensure the module operates stably in complex electromagnetic environments, with acquired data unaffected by interference.
Fault Diagnosis and Early Warning: The microprocessor executes the fault diagnosis program in real time, continuously monitoring parameters such as input current, voltage signals, AD conversion data, and module power supply voltage of each channel. When faults such as overcurrent, overvoltage, short circuit, sensor disconnection, or AD conversion failure are detected, the microprocessor immediately generates a fault code, marks the faulty channel and fault type, and uploads the fault information to the PLC host via the backplane bus. The host triggers an audible and visual alarm or safety interlocking action according to preset logic. At the same time, the microprocessor controls the LED indicator of the corresponding channel to switch to red flashing, reminding operation and maintenance personnel to handle the fault promptly. After the fault is eliminated, the module automatically resumes normal acquisition.