Wago 750-1420 PLC Digital Input Module, 4-Channel

General Description:

1) The Wago 750-1420 is a 4-channel digital input module designed for PLC systems. It is part of the WAGO 750 series of I/O modules, offering high-performance capabilities in industrial automation systems. The module is designed to handle digital signals from field devices and send them to a PLC for processing, ensuring reliable and accurate data transmission. With its compact design, the 750-1420 integrates seamlessly into WAGO's modular I/O system, offering a scalable and flexible solution for automation tasks.

2) This module provides a robust solution for industries requiring efficient control, monitoring, and data acquisition. It's fast signal processing and high-quality input functionality ensure optimal performance in demanding environments. The module is engineered to meet the needs of modern automation systems, providing excellent compatibility with a wide range of field devices.

Technical Specifications of 750-1420:

l Model: Wago 750-1420

l Type: Digital Input Module

l Channels: 4 (isolated inputs)

l Input Type: 24V DC

l Input Signal: 0 or 24V (high or low logic levels)

l Input Current: Approx. 7mA per channel

l Nominal Voltage: 24V DC

l Nominal Current: 80 mA

l Bus Current: 25 mA

l Input Delay: Max. 50 µs

l Response Time: < 10 ms

l Overload Protection: Yes, for each channel

l Isolation Voltage: 500V (between inputs and bus)

l Mounting: DIN rail

l Operating Temperature: -25°C to +60°C

l Storage Temperature: -40°C to +85°C

l Degree of Protection: IP20 (protection against solid objects > 12 mm)

l Dimensions: 12 x 100 x 71 mm

l Weight: Approx. 70 g

l Compatibility: WAGO 750/753 series I/O systems

l Certifications: CE, UL, RoHS

Detailed Features of 750-1420:

l 4-Channel Inputs: The module features 4 individual digital input channels, allowing for connecting multiple field devices simultaneously. Each channel is electrically isolated, providing robust protection against electrical faults.

l Fast Signal Processing: With a high response time of less than 10 ms, the Wago 750-1420 ensures that signals are processed rapidly, ideal for applications requiring fast data acquisition and control.

l High Isolation: The module offers isolation between the inputs and the bus (500V), protecting the PLC and other connected equipment from voltage spikes or other electrical disturbances.

l Compact Design: With a slim form factor of just 12mm wide, the Wago 750-1420 is space-efficient, making it suitable for installations where space is limited.

l Integrated Overload Protection: Each input channel is equipped with built-in overload protection, ensuring the module remains protected from damage caused by excessive current.

l Wide Operating Temperature Range: The module is designed to operate in a wide temperature range from -25°C to +60°C, making it suitable for use in industrial environments with varying temperatures.

Applications of 750-1420:

The Wago 750-1420 digital input module is used in various industrial automation applications where reliable, high-speed data acquisition is critical. Its features make it ideal for controlling and monitoring systems in the following applications:

A. Industrial Automation: The 750-1420 module is used in factory automation systems to monitor digital signals from sensors, switches, or other field devices. It is essential for I/O control systems, ensuring fast data transfer and accurate signal processing.

B. Process Control Systems: In process industries, where precise control of processes is crucial, the module monitors switches and other devices that control valves, pumps, and other machinery.

C. Building Automation: This module is used in building management systems (BMS) to handle digital inputs from occupancy sensors, light switches, and HVAC systems, helping to automate energy usage and improve efficiency.

D. Machine Control: In machinery applications, the module reads inputs from safety devices such as emergency stop switches, limit switches, and position sensors, providing necessary signals to the PLC for machine operation.

E. Transportation Systems: Transportation automation is used to monitor and control devices like ticketing systems, passenger flow sensors, and other digital devices that are part of the system.

F. Energy Management: The Wago 750-1420 module is also used in energy management systems for reading inputs from energy meters, circuit breakers, and other electrical components, enabling efficient monitoring and management of energy consumption.

Installation in Detail:

Installing the Wago 750-1420 digital input module is straightforward. The following steps guide the installation process:

1. Mounting: Install the module onto a DIN rail in the control panel or another appropriate location. Ensure it is securely mounted and sufficient space around the module for proper ventilation.

2. Wiring the Inputs: Connect your field devices (such as switches or sensors) to the module's input terminals. Ensure each device is properly wired according to the input specifications (24V DC) and observe correct polarity.

3. Connecting to the Bus: Use the provided bus terminal to connect the module to the rest of the WAGO I/O system. The module communicates with the controller through the bus, allowing easy integration with other WAGO I/O modules.

4. Configuring the Module: Use the WAGO e!COCKPIT or CODESYS software to configure the module's parameters, such as input logic levels and delay times. Once configured, the module can process signals from the field devices.

5. Testing and Commissioning: After installation, test the module by activating the field devices and monitoring the digital inputs on the connected controller. Ensure the signals are being correctly read and transmitted to the PLC.

Related Part Numbers:

l 750-400: Wago digital input module with 8 channels

l 750-500: Wago 16-channel digital input module

l 750-600: Wago analog input module

l 750-1501: Wago power supply for the 750 series

l 750-351: Wago digital output module, 4 channels

l 750-1531: Wago relay output module

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