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Product Introduction
The Schneider 140CRA21210 DIO Drop Interface is an essential digital I/O interface module designed for use with Modicon 140 series PLCs. This versatile component provides a seamless connection between the field devices and the control system, facilitating efficient digital input and output (I/O) signal communication.
The 140CRA21210 module is engineered to meet the demanding requirements of industrial automation, offering flexible integration options, robust performance, and high reliability. This module is designed to be used in applications requiring fast and reliable digital signal transmission, making it ideal for controlling equipment such as motors, actuators, and sensors within an industrial setting.
With Modbus communication protocol support and an easy-to-use drop-in design, the 140CRA21210 can be incorporated into a wide range of control systems. Its simple installation and compatibility with Schneider Electric’s PLC systems ensure minimal downtime during integration.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | 140CRA21210 |
| Product Type | Digital I/O Drop Interface |
| Compatible Series | Modicon 140 Series PLC |
| I/O Type | Digital Input and Output |
| I/O Capacity | 16 Digital Inputs, 16 Digital Outputs |
| Operating Voltage | 24V DC (nominal) |
| Current Draw | 120mA (max) at 24V DC |
| Digital Input Voltage | 24V DC ±20% |
| Digital Output Voltage | 24V DC ±20% |
| Input Impedance | 3.2 kΩ |
| Output Type | Transistor (Sink or Source) |
| Isolation | Optical isolation between I/O and backplane |
| Mounting Type | DIN Rail Mount |
| Environmental Operating Temp | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Humidity | 5% to 95%, non-condensing |
| Dimensions (H x W x D) | 48 x 164 x 318 mm |
| Weight | 0.708 kg |
| Protection Class | IP20 (Ingress Protection) |
| Certifications | CE, UL, cUL, RoHS |
Product Applications
The Schneider 140CRA21210 DIO Drop Interface is designed for use in a wide range of industrial automation and control applications. Some of the key use cases include:
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Machine Control: The module enables seamless communication between field sensors and PLCs, making it ideal for controlling automated machines, conveyors, and robotic arms.
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Process Control: It helps manage digital inputs and outputs for process industries such as chemical, oil and gas, and water treatment plants.
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Factory Automation: It is well-suited for factory floors where multiple devices need to communicate with PLCs in real-time.
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Building Automation: Can be used to integrate and control lighting systems, HVAC, and security devices within industrial buildings.
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Equipment Monitoring: Ideal for applications requiring the monitoring of status indicators and alarms from industrial machinery.
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Energy Management: Can be used in energy management systems to monitor and control energy usage and distribution equipment.
Its ease of integration with Schneider’s Modicon PLC systems and ability to handle a range of input/output types makes it a versatile choice for industrial automation projects.
Product Advantages
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Flexible I/O Handling: With 16 digital inputs and 16 digital outputs, the 140CRA21210 module provides a balanced solution for both input and output applications.
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Easy Integration: Designed to work seamlessly with Schneider Electric’s Modicon 140 series PLCs, simplifying installation and reducing setup time.
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Optical Isolation: The module ensures protection against voltage spikes and electrical noise through optical isolation between the I/O and the backplane.
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Compact Design: Its compact form factor allows it to be easily integrated into tight spaces or small control panels.
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Reliable Operation: Designed to withstand industrial environments, it offers stable operation in temperatures ranging from 0°C to 60°C.
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Robust Communication Protocols: Supports Modbus communication protocol, ensuring compatibility with various industrial devices and systems.
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Energy Efficient: The module operates with a low current draw, making it suitable for applications with energy efficiency requirements.
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Scalability: As part of the Modicon 140 series, the 140CRA21210 can be easily scaled up by adding additional I/O modules as needed for larger systems.
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Cost-Effective: Provides high performance at a competitive price, making it an affordable solution for industrial automation.
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Easy Maintenance: The module’s design and Schneider Electric’s diagnostic tools ensure quick and easy maintenance.
FAQ (Frequently Asked Questions)
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What is the operating voltage for the Schneider 140CRA21210?
– The operating voltage is 24V DC. -
How many digital inputs and outputs does this module support?
– It supports 16 digital inputs and 16 digital outputs. -
Can this module be used with other brands of PLCs?
– No, it is designed specifically for use with Modicon 140 series PLCs. -
What is the input voltage range for the digital inputs?
– The digital input voltage range is 24V DC ±20%. -
Is the 140CRA21210 suitable for use in outdoor environments?
– No, the module has an IP20 protection class, which makes it suitable for indoor use in dry environments. -
What is the mounting type for the 140CRA21210 module?
– It is designed for DIN rail mounting, making it easy to install in industrial control panels. -
Does this module provide isolation for the I/O signals?
– Yes, the module provides optical isolation between the I/O and backplane, ensuring protection from electrical noise and spikes. -
What is the storage temperature range for this module?
– The storage temperature range is -40°C to 85°C. -
What communication protocol does the 140CRA21210 use?
– It supports the Modbus communication protocol, which is commonly used in industrial automation systems. -
Is there a diagnostic tool available for this module?
– Yes, Schneider Electric provides diagnostic tools through its Modicon PLC software suite for troubleshooting and maintenance.
Related Models (Same Series or Compatible)
| Model | Description | I/O Capacity | Communication Protocol | Dimensions (H x W x D) | Weight (lbs) |
|---|---|---|---|---|---|
| 140CRA21220 | DIO Drop Interface, 32 I/O | 32 Digital I/O | Modbus | 4.2 x 3.5 x 2.1 inches | 0.75 |
| 140CRA21320 | DIO Drop Interface, 32 Digital I/O | 32 Digital I/O | Modbus | 4.2 x 3.5 x 2.1 inches | 0.75 |
| 140CRA11310 | Analog I/O Module | 8 Analog Inputs | Modbus | 4.2 x 3.5 x 2.1 inches | 0.8 |
| 140CRA21330 | DIO Drop Interface, 48 Digital I/O | 48 Digital I/O | Modbus | 5.2 x 3.5 x 2.1 inches | 1.0 |
| 140DRA84000 | Modicon I/O Expansion Module | Up to 512 I/O | Modbus | 5.8 x 4.0 x 3.0 inches | 1.1 |
| 140CRP31200 | Digital I/O Module (16 I/O) | 16 Digital Inputs/Outputs | Modbus | 4.2 x 3.5 x 2.1 inches | 0.75 |
Popular Models from Schneider Electric
| Model | Description | I/O Type | Key Features | Weight (lbs) |
|---|---|---|---|---|
| 140CRA21310 | Digital I/O Module (24 I/O) | Digital I/O | Compact, Modbus communication | 0.65 |
| 140CPS11400 | Power Supply for Modicon PLCs | Power Supply | 24V DC, Modicon compatibility | 1.0 |
| 140DRA84000 | Modicon I/O Expansion Module | I/O Expansion | High I/O density, Modbus support | 1.1 |
| 140NOA70300 | Modicon Analog Output Module | Analog Output | High precision, Modbus | 0.75 |
| 140CPS21400 | Power Supply for Modicon PLCs | Power Supply | 24V DC, durable design | 1.1 |
| 140CPS41300 | Redundant Power Supply | Power Supply | Dual outputs, high reliability | 1.2 |
