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DC-UPS - 24V, 20 A, 480 W Reference Manual
Front User Elements
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Photo
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Rockwell Automation Publication 1606-RM008A-EN-P - November 2021
No.
Description
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Input Terminal (screw terminal)
Output Terminal (screw terminal) One extra (-) pole for easy grounding.
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The minus-pole is internally hard-wired with the minus-pole of the input
and battery terminals.
Signal Connector (8-pole plug connector) comprises the following
connections:
• Ready relay contact
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• Buffering relay contact
• Inhibit input signal
• Replace battery
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Battery Terminal (screw terminal)
Battery Monitoring Connector (3-pole plug connector)
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- Connection for temperature sensor for battery temperature.
- "Center-Tap" connection - middle point of the two batteries.
Red Error light-emitting diode (LED) – This light-emitting diode (LED)
indicates that charging or buffering is not possible.
The updating pattern reports the following reasons:
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• Check wiring
• Insufficient input voltage
• Temperature exceeded
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Yellow Diagnosis light-emitting diode (LED) – This light-emitting diode
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(LED) helps troubleshooting and the updating pattern indicates the
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following:
• Output overloaded (current)
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• Battery replacement required
• Expired buffer time due to buffer time selector or discharged battery
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Activated inhibit input
Green light-emitting diode (LED) – Each battery has its own status LED.
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Battery 1 represents the battery, which is electrically closer to the (+) pole
and battery 2, which is closer to the (-) pole.
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The updating pattern of this light-emitting diode (LED) reports the
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following information:
• Ready
• Charging
• Buffering
Battery Size Selector (pluggable jumper). Two positions to select battery
sizes > and <10 Ah. Influences the charging current, the allowed battery
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temperature range and the battery quality tests. Factory set: <10 Ah. A
missing jumper equals a <10 Ah setting.
Buffer Time Limiter (rotary switch with 6 dents). Limits the maximum
buffer time in a buffer event to save battery energy. Selectable between
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10 s 30s, 60 s, 3 minutes, and 10 minutes. If no limitation is selected
(infinite period), the buffering will end by the deep discharge protection.
Factory set: infinite.
Buffer Voltage Selector (rotary switch with 4 dents). Allows setting the
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output voltage in battery mode to 22.5V, 24V, 25V, or 26V. Factory set:
22.5V
Chassis Ground (screw) Use a M4 ring-type terminal to connect the
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housing to ground, when required.
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