Description
Description
The Siemens 6ES5930-7AA11 is a dedicated power supply module designed for the Simatic S5 automation system. This unit converts standard AC mains input into the stable, regulated low-voltage DC power required for the reliable operation of central controllers and associated I/O modules within an S5 rack-based architecture. Engineered for industrial resilience, it provides critical isolation and voltage regulation to protect sensitive backplane electronics from grid fluctuations and electrical noise.
Features
- Designed for direct integration with Simatic S5-110 rack backplanes.
- High-efficiency regulation circuit minimizes output ripple for stable logic power.
- Rugged aluminum chassis design functions as a passive heat sink, eliminating the need for cooling fans and reducing maintenance requirements.
- Integrated protection circuitry includes overvoltage cutoff and short-circuit protection to safeguard system components.
- Optimized for operation in harsh environments with high dust or particulate levels.
Applications
This power supply module is suitable for a wide range of industrial automation tasks, including chemical processing, metal stamping, and automated material handling systems where consistent power delivery is essential for preventing spurious faults and operational downtime.
Technical Specifications
| Model |
6ES5 930-7AA11 |
| Input Voltage |
220 VAC (187 to 242 VAC range) |
| Frequency |
47 to 63 Hz |
| Output Voltage |
5.2 VDC |
| Output Current |
0.9 A (continuous) |
| Internal Heat Dissipation |
12 W maximum |
| Operating Temperature |
0 to 60 deg C |
Installation Guidelines
- Ensure the rack power is disconnected before installing or removing the module.
- Verify that the input voltage matches the module's specified operating range (187-242 VAC) before energizing.
- Ensure proper seating within the Simatic S5 rack backplane to maintain electrical contact and structural integrity.
- Maintain adequate clearance around the module to allow for passive thermal dissipation through the aluminum chassis.
- Handle with care to prevent electrostatic discharge (ESD) damage to internal components.
FAQ
What is the primary function of the 6ES5930-7AA11?
This module serves as a power supply for the Simatic S5 system, converting AC mains power into a regulated 5.2 VDC output to power the rack's CPU and I/O modules.
Does this module require forced-air cooling?
No, the module is designed with an aluminum chassis that acts as a heat sink, allowing for efficient passive cooling without the need for internal fans.
What protection features are included?
The unit features built-in short-circuit protection and overvoltage cutoff to prevent damage to the backplane and connected modules during electrical faults.
