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Siemens SITOP DC UPS 6EP1933-2EC41

Siemens SITOP DC UPS 6EP1933-2EC41
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© Siemens AG, 2009 1/18
Considerations for Use
of the SITOP DC UPS Module
6A without interface (6EP1931-2DC21)
6A with serial interface (6EP1931-2DC31)
6A with USB interface (6EP1931-2DC42)
15A without interface (6EP1931-2EC21)
15A with serial interface (6EP1931-2EC31)
15A with USB interface (6EP1931-2EC42)
40A without interface (6EP1931-2FC21)
40A with USB interface (6EP1931-2FC42)
500S (15A / 2.5kWs capacitor) (6EP1933-2EC41)
500S (15A / 5kWs capacitor) (6EP1933-2EC51)
500P (15A / 5kWs capacitor) (6EP1933-2NC01)
500P (15A / 10kWs capacitor) (6EP1933-2NC11)
Release 2

Table of Contents

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Siemens SITOP DC UPS 6EP1933-2EC41 Specifications

General IconGeneral
TypeDC UPS
Input Voltage24 V DC
Output Voltage24 V DC
Output Current10 A
Power240 W
Battery TypeLead-acid or Li-ion
Protection ClassIP20
Mounting TypeDIN rail
Relative Humidity5 to 95% (non-condensing)
Connection TypeScrew terminals
SignalingLED indicators
Weight1.5 kg

Summary

Settings for SITOP DC UPS Modules

Setting the Cut-in Threshold

Configures the input voltage level at which the UPS switches to battery backup.

Setting the End-of-Charge Voltage

Sets the voltage target for charging the battery to its full capacity.

Setting the Charging Current

Selects the appropriate current for charging various battery module types.

Setting the Buffering Time

Defines the duration the UPS will provide backup power from the battery.

PC Communication for SITOP DC UPS

Operating Modes of SITOP DC UPS

Long Power Failure without Interface

Brief Power Failure without Interface

Long Power Failure with Interface

Brief Power Failure with Interface

SITOP DC UPS Battery Modules

Battery Module Selection Guide

Provides a table for selecting appropriate battery modules based on current and backup time.

Discharge Characteristics for Lead-Gel Batteries

Presents graphical data on battery voltage behavior under various discharge rates.

Battery Capacity Selection Instructions

Step-by-step guide to calculating required battery capacity using discharge characteristics.

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