Siemens SIMATIC S5 Digital Output Module 6ES5 451-7LA11

Description

The Siemens 6ES5 451-7LA11 is a digital output module for the proven SIMATIC S5 automation system, specifically for the S5-115U series. It provides 32 digital outputs, each rated for 24V DC and 0.5A, making it suitable for controlling a wide range of actuators, relays, and indicators. This module is an essential spare part for maintaining and extending the life of legacy industrial control systems.

Specifications

• Manufacturer: Siemens
• Series: SIMATIC S5
• Module Type: Digital Output
• Number of Outputs: 32
• Output Voltage: 24V DC
• Output Current: 0.5A per point
• Total Current: 8A maximum
• For use with: S5-115U PLC systems

Label Info

• MLFB: 6ES5 451-7LA11
• E-Stand (Version): 06

Application

Ideal for controlling actuators, solenoid valves, contactors, and signal lamps in industrial machines and process plants running on the Siemens SIMATIC S5 platform.

Country of Origin

Made in Germany

CO2 Impact

By purchasing this pre-owned module, you help avoid the CO2 emissions associated with new production, estimated at 20.0 kg. This is comparable to the energy needed to drive a car 100 km.

Availability

This is a legacy item and availability is limited. Order now from PLC2Day for expert support and fast delivery.

FAQ

Question? Is this module compatible with other SIMATIC S5 PLCs like the S5-135U or S5-155U?

Answer: This module is specifically designed for the S5-115U central rack. While some S5 modules have broader compatibility, it is crucial to verify with the S5-115U system manual for guaranteed operation.

Answer: Yes, like all SIMATIC S5 modules, it requires a front connector to wire the I/O. The correct part number for the connector should be referenced in the S5-115U system documentation, but it is typically a 48-pin connector like the 6ES5 498-1AA21.

Answer: 'E-Stand' refers to the hardware revision or engineering status of the module. A higher number indicates a later revision, which may include minor hardware updates or component changes. For compatibility, it is generally safe to replace a lower E-Stand with a higher one, but not vice-versa without checking documentation.

Current Date: Friday, March 13, 2026

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