Siemens 6ES5420-4UA13 SIMATIC S5 Telecom System Card / Module

Siemens 6ES5420-4UA13 SIMATIC S5 Telecom System Card / Module Image 1

Siemens 6ES5420-4UA13 digital input module for SIMATIC S5 programmable logic controllers.

The Siemens 6ES5420-4UA13 is a digital input module designed for use with the SIMATIC S5 series of programmable logic controllers. This module provides multiple digital input channels for connecting field devices such as switches, sensors, and proximity detectors to the PLC system, enabling automated monitoring and control of industrial processes.

This input module is intended for integration into SIMATIC S5-115U, S5-135U, and S5-155U automation systems. It serves as an interface between plant-floor devices and the central processing unit, converting external signals into data the controller can process for logic operations and sequencing.

The SIMATIC S5 platform is a legacy automation system that has been superseded by the SIMATIC S7 range. However, S5 systems remain operational in many industrial installations worldwide, and replacement modules such as the 6ES5420-4UA13 are essential for maintaining these established automation infrastructures.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.

From the same manufacturer

Compatible with the same platform

Frequently asked questions

Is the Siemens 6ES5420-4UA13 refurbished or new?
Tech-Star supplies both new and refurbished Siemens 6ES5420-4UA13. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Siemens 6ES5420-4UA13?
Refurbished Siemens 6ES5420-4UA13 comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the Siemens 6ES5420-4UA13?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the Siemens 6ES5420-4UA13 be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the Siemens 6ES5420-4UA13 be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.

Key FeaturesDigital input module; Multiple input channels; Compatible with S5-115U, S5-135U, S5-155U systems; Field device interface
ApplicationsIndustrial automation; Process control systems; Manufacturing line monitoring; Legacy PLC system maintenance
CompatibilitySiemens SIMATIC S5-115U; Siemens SIMATIC S5-135U; Siemens SIMATIC S5-155U
SpecificationsDigital input type; 24V DC input voltage (typical for series); Modular design for S5 rack mounting
PlatformSIMATIC S5
ManufacturerSiemens

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