Schneider 140CRA21100 DIO Drop Interface Module Quantum

140CRA21100 DIO Drop Interface Module for Modicon Quantum

Product Introduction

The 140CRA21100 from Schneider Electric is a robust interface module within the Modicon Quantum automation platform. It features a single DIO drop interface port. This module accepts a wide supply voltage range from 85 to 276 VAC. Therefore, it works reliably in regions with unstable mains power.

Specifically, the 140CRA21100 connects a Quantum backplane to remote I/O drops. It acts as a communication bridge between the main controller and distributed field devices. Additionally, this module provides diagnostic functions, including RAM address and checksum verification during startup and runtime.

Technical Specifications

The 140CRA21100 delivers stable power and reliable data transfer. Its key electrical parameters are listed below.

• Supply Voltage (Rated): 115/230 VAC

• Operational Voltage Limit: 85 to 276 VAC

• Supply Frequency: 47 to 63 Hz

• Maximum Supply Current: 0.2 A at 115 V / 0.4 A at 230 V

• Inrush Current: 10 A at 115 V / 20 A at 230 V

• Rated Power: 50 VA

• Associated Fuse Rating: 1.5 A

• Output Voltage: 5.1 VDC

• Nominal Output Current: 3 A

• I/O Words: 30 input words and 32 output words

Furthermore, this module includes short-circuit protection and output overvoltage protection. As a result, it safeguards both itself and connected equipment.

Mechanical and Environmental Ratings

The 140CRA21100 operates reliably across a broad range of industrial environments. You can install it in control cabinets with moderate temperatures.

• Operating Temperature: 32°F to 140°F (0°C to 60°C)

• Storage Temperature: -40°F to 185°F (-40°C to 85°C)

• Relative Humidity: 95% without condensation

• Operating Altitude: Up to 5000 meters (16404 feet)

• Protective Treatment: TC (tropical coating)

• Module Format: Standard

Moreover, this module resists electrostatic discharge up to 4 kV contact and 8 kV on air. It also withstands electromagnetic fields of 10 V/m from 80 to 2000 MHz.

Compatible Backplanes and Installation

The 140CRA21100 fits multiple Quantum backplane sizes. Typical compatible backplanes include 2, 3, 4, 6, 10, and 16 positions. Therefore, you can use it in both small and large configurations.

Follow these steps to install the 140CRA21100. First, power down the entire rack. Next, insert the module into a standard slot on the Quantum backplane. Press firmly until the locking tabs click into place.

Then, connect a 1.5 A fuse in series with the AC supply line. Wire the 115/230 VAC power to the 7-pole terminal block. Finally, apply power and verify the diagnostics LEDs.

• Use copper conductors only (AWG 14 to 22).

• Torque terminal screws to 0.5 Nm.

• Do not hot-swap this module.

Therefore, a careful installation ensures long-term reliability.

Diagnostic Features

The 140CRA21100 offers built-in diagnostics for easier troubleshooting. During startup, it checks RAM address, RAM integrity, and checksum. During runtime, it continuously monitors RAM address and RAM status.

Additionally, the module reports communication errors to the main controller. This feature helps technicians identify drop failures quickly. As a result, system downtime decreases significantly.

Common Applications

The 140CRA21100 serves many distributed I/O applications. For instance, it is widely used in oil and gas platforms where remote I/O drops are necessary. Additionally, it suits water treatment plants with sensors spread across large areas.

Other typical applications include:

• Conveyor systems in logistics centers

• Assembly lines in automotive plants

• HVAC control in commercial buildings

• Chemical processing facilities (with Class 1 Division 2 certification)

Because the 140CRA21100 carries UL, CSA Class 1 Division 2, DNV, and GOST certifications, it meets global industrial standards.

Packaging List

• 1 x 140CRA21100 DIO drop interface module

• 1 x 7-pole terminal block (installed)

• 1 x printed quick start guide

Note: Certificates and warranty documents are not included in the package. The 1.5 A fuse is also sold separately.

Shipping Information

All orders for the 140CRA21100 ship via FedEx, UPS, or DHL. Tracking numbers are provided within 24 hours. International delivery typically takes 3 to 7 business days.

Frequently Asked Questions (FAQ)

1. What is the purpose of the 140CRA21100 module?
The 140CRA21100 acts as a DIO drop interface. It connects a Modicon Quantum backplane to remote I/O drops, extending the system's distributed I/O capabilities.

2. What fuse rating does the 140CRA21100 require?
It requires an associated fuse rated at exactly 1.5 A. Using a higher rating may damage the module during an overcurrent event.

3. Can I use the 140CRA21100 with 24 VDC power?
No. The 140CRA21100 accepts only AC supply voltages from 85 to 276 VAC (115/230 VAC nominal). For DC systems, consider other Quantum interface modules.

4. How many I/O words does the 140CRA21100 support?
It supports 30 input words and 32 output words. This configuration handles a mix of digital and analog signals through the remote drop.

5. Is the 140CRA21100 approved for hazardous locations?
Yes. It carries CSA Class 1 Division 2 certification. Therefore, you can install it in certain industrial areas with flammable gases or vapors, provided local codes are followed.