Description
Description
The 6ES5458-4UA12 is a high-density digital output module designed for the Siemens SIMATIC S5-135 and S5-155 controller families. This module provides 16 isolated relay output channels, engineered to manage high-load switching requirements in demanding industrial sectors such as automated manufacturing, power utility substations, and large-scale material handling systems. By integrating this relay output card into the S5 backplane, facility engineers can reliably interface the PLC with higher-voltage field devices, ensuring precise control logic execution. Its robust hardware design is specifically configured to maintain system uptime in legacy control environments.
Features
- 16-point digital relay output configuration.
- Galvanic isolation between the PLC backplane and external field circuits.
- Designed for 24 VDC nominal operation.
- Compatible with SIMATIC S5-135 and S5-155 rack-based systems.
- High current-carrying capacity suitable for actuators, contactors, and signaling devices.
Applications
This module is primarily used in industrial automation environments requiring reliable switching of field devices. Typical applications include control of contactors, solenoid valves, and indicator lamps within S5-135 and S5-155 PLC architectures, particularly where electrical isolation from the control logic is required to protect against noise and voltage surges.
Technical Specifications
| Model |
6ES5458-4UA12 |
| Manufacturer |
Siemens |
| Output Type |
Isolated Relay Contacts |
| Number of Outputs |
16 |
| Control Voltage |
24 VDC |
| Operating Temperature |
0 to 60 deg C |
Installation Guidelines
- Ensure the PLC rack power is disconnected before inserting or removing the module to prevent electrical damage.
- Verify that the module is correctly seated in the S5 backplane slot and that the locking mechanism is engaged.
- Use shielded cabling for field wiring to minimize electromagnetic interference (EMI) in high-noise environments.
- Ensure proper grounding of the S5 chassis to maintain signal integrity and safety.
- Observe the operating temperature range of 0 to 60 deg C; ensure adequate ventilation within the control cabinet.
FAQ
What is the primary function of the 6ES5458-4UA12?
This module serves as a digital output interface for Siemens SIMATIC S5-135 and S5-155 PLCs, providing 16 isolated relay contacts to switch external field devices.
Is this module compatible with other S5 series PLCs?
The 6ES5458-4UA12 is specifically engineered for the S5-135 and S5-155 controller families. Compatibility with other S5 series should be verified against the specific rack and backplane requirements of those systems.
