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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 6EP1931-2EC01 |
| Alternative Part Number | 6EP19312EC01 |
| Manufacturer | Siemens |
| Category | PLC Systems |
| Description | Power Supply Module for Rechargeable Battery |
| Input Voltage | 24 V dc |
| Output Voltage | 24 V dc |
| Output Current | 15 A |
| Type | SITOP power DC-USV Module 15 |
| Function | Uninterrupted Power supply with charger for 24 V lead rechargeable battery |
| Commodity Code | 850490 |
| Special Features | Redesigned terminal assignments and new signaling for the serial interface |
| Compatibility | If previously using devices 6EP1931-2EC01 or 6EP1931-2EC11, note changes in terminal assignments |
| Protection | Electronically protected against polarity reversal of input voltage and battery |
| Overcurrent Protection | Protected by mains fuse against overcurrent and short circuits in normal operation |
| Exhaustive Discharge Protection | Shuts down in store mode to protect battery from damage when voltage drops below threshold |
| Battery Test | Tests connected battery module every 4 hours in normal operation |
| Signaling | LED indicators and relay contacts for operational states; RS232 interface on specific models |
| Installation | Designed for mounting on a DIN rail of type DIN EN 50022-35x15/7.5 |
| Operating Temperature Range | 0 to +60°C for operation, -40 to +70°C for storage and shipment |
| Relative Air Humidity | 75% yearly average, 95% in 30 days, no condensation |
| Weight | 0.4 kg |
| Degree of Protection | IP20 according to EN60529 |
| Safety Class | III according to EN60950 |
| Compliance | Safety to VDE 0805 (EN60950): SELV |
| Interference Immunity | According to EN 50082-2 including Table A2,A3 |
| RI Suppression | To EN55022, limit-value curve B |
The Siemens 6EP1931-2EC01 is a robust and reliable power supply module designed to ensure uninterrupted power for a wide range of industrial applications. This module is part of the SITOP power family and is specifically engineered to work with rechargeable batteries, providing a seamless transition to battery power in the event of a mains supply failure.
With an input and output voltage of 24 V DC and a substantial output current of up to 15 A, this module is capable of handling significant power requirements. It is particularly suitable for scenarios where maintaining continuous operation is critical, such as in automated manufacturing processes, control systems, and other demanding industrial environments.
The 6EP1931-2EC01 features comprehensive protective and monitoring functions, including reverse polarity protection, overcurrent and short-circuit protection, and exhaustive discharge protection to safeguard the connected battery. Additionally, it is equipped with a battery test function to ensure reliability and preparedness for power interruptions.
The module's design allows for easy installation on a standard DIN rail, making it a convenient addition to existing setups. It also includes LED indicators and relay contacts for clear signaling of operating states, as well as an RS232 interface for advanced communication capabilities.
Engineered with precision and attention to detail, the Siemens 6EP1931-2EC01 is a testament to the quality and innovation that are hallmarks of Siemens industrial control products. It is an essential component for any operation where power continuity is non-negotiable, providing peace of mind and operational excellence.
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Frequently Asked Questions
What is the purpose of the Siemens Power Supply Module?
The Siemens Power Supply Module is designed to provide an uninterrupted power supply with a charger for a 24 V lead rechargeable battery. It ensures that in the event of a power failure, critical systems remain operational by switching to battery backup.
Can this module protect against power surges or overcurrent?
Yes, the module includes protective features such as overcurrent and short-circuit protection, as well as reverse polarity protection to safeguard against electrical anomalies.
Is there a way to test the battery connected to the module?
The module is equipped with a battery test function that checks the connected battery module every 4 hours during normal operation to ensure it is fully functional and ready for uninterrupted service.
How does the module signal different operating states?
The module uses three LEDs to indicate normal operation, floating operation, and alarm conditions. Additionally, it has two potential-free changeover contacts for signaling these states.
What are the input and output specifications of this module?
The module has a rated input voltage of 24V DC with an operating voltage range of 22 to 27.5V DC. It can output a DC voltage of 24V with a direct current of up to 15A.
How is the charging current for the battery set?
The charging current for the battery can be adjusted using the onboard potentiometers according to the specifications of the connected battery module, ensuring optimal charging and battery life.
What is the significance of the end-of-charge voltage?
The end-of-charge voltage is critical for maintaining battery health. It must be set according to the battery type and ambient temperature to prevent overcharging and ensure the longevity of the battery.
Can the buffering time be adjusted on this module?
Yes, the module allows for the adjustment of buffering time, which is the duration the battery will supply power to the loads in the event of a power failure. This can be set using the switch block on the module.
What environmental conditions is the module suited for?
The module is designed to operate within a temperature range of 0 to +60°C and can handle relative air humidity of up to 95% for short periods, making it suitable for a variety of industrial environments.
How can I ensure the module is installed correctly for optimal cooling?
The module should be mounted vertically with the input and output terminals at the bottom. It's important to maintain a clearance of at least 50 mm above and below the unit to facilitate proper cooling.
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