Siemens 6ES5451-4UA13 – Digital Output Module

The Siemens 6ES5451-4UA13 is a robust Digital Output Module built for industrial automation applications. This module ensures efficient output signal control for a wide range of systems, offering enhanced reliability and secure operation. Ideal for demanding environments, it seamlessly integrates with Siemens control systems to enhance automation performance.

Key Features and Specifications

Model: 6ES5451-4UA13
Category: Digital Output Module
Manufacturer: Siemens
Product Line: SIMATIC S5

Technical Specifications

Parameter	Details
Rated Supply Voltage (L+)	24 V DC
Number of Outputs	32 (short-circuit protected)
Isolation	Yes (1 group of 32 outputs)
Supply Voltage Range	20 to 30 V DC
Fusing	6.3 A slow 1 fuse per 8 outputs
Output Voltage for Logic 1	L+ – 1.5 V min.
Output Voltage for Logic 0	3 V max.
Switching Current (Resistive Load)	5 mA to 0.5 A
Residual Current at Logic 0	0.5 mA max.
Switching Current for Lamps	0.22 A max. (5 W)
Switching Frequency (Resistive Load)	100 Hz max.
Switching Frequency (Inductive Load)	2 Hz max. at 0.3 A; 0.5 Hz max.
Breaking Voltage (Inductive)	Limited to L+ – 47 V
Total Switching Current	4 A max. per 8 outputs
Coincidence Factor	100% (50% at 35°C), 50% (non-ventilated)
Permissible Line Length	400 m max. (unshielded)
Power Supply (Digital Section)	From system bus
Current Consumption (L+/L-)	5 V, 80 mA typical; 24 V, 150 mA typical
Power Dissipation (Rated Operation)	17.0 W

Application and Usage

The Siemens 6ES5451-4UA13 Digital Output Module provides a versatile and reliable solution for controlling output signals in industrial systems. It supports 32 outputs that are short-circuit protected, ensuring stable and safe operation. The module is particularly suitable for handling resistive and inductive loads, and its high switching frequency makes it ideal for systems requiring fast, responsive control.

Performance and Flexibility

This module operates across a wide temperature range, providing reliable performance even in harsh conditions. With a maximum switching current of 4 A per 8 outputs, the 6ES5451-4UA13 excels in managing demanding loads. It can handle a variety of load types, including lamps, making it a versatile choice for a range of applications.

Moreover, its electromagnetic compatibility (EMC) ensures that the module can be used in various industrial environments without causing interference. The L+ voltage capability and the wide permissible line length (up to 400 meters for unshielded lines) offer flexibility during installation.

Integration and Compatibility

Designed to integrate smoothly with existing Siemens systems, the 6ES5451-4UA13 module supports DIN rail mounting, ensuring a compact and efficient installation. Its power dissipation of 17 W and current consumption of 150 mA make it an energy-efficient choice for long-term operations.

The digital section draws current from the system bus, making wiring simpler and reducing the need for external power supplies. Its resistance to environmental factors, combined with its high efficiency, allows it to function reliably across a wide range of industrial environments.

Availability and Status

The Siemens 6ES5451-4UA13 Digital Output Module is still available as a spare part for existing Siemens systems. Though discontinued, it remains an essential component for upgrading or maintaining older automation setups, ensuring continued support for your industrial operations.