9.2.1 Control Panel. Douglas Battery Legacy Platinum SCR 12-680B, Legacy Platinum SCR 12-550B, Legacy Platinum SCR 12-380B, Legacy Platinum SCR 6-680B, Legacy Platinum SCR 24-600B, Legacy Platinum SCR 18-800B, Legacy Platinum SCR 18-600B, Legacy Platinum SCR 12-850B, Legacy Platinum SCR 6-550B, Legacy Platinum SCR 6-450B

Below you will find brief information for Battery Charger Legacy Platinum SCR 6-450B, Battery Charger Legacy Platinum SCR 6-550B, Battery Charger Legacy Platinum SCR 6-680B, Battery Charger Legacy Platinum SCR 12-380B, Battery Charger Legacy Platinum SCR 12-550B. These chargers are advanced, silicon-controlled rectifier (SCR) chargers designed to charge wet/flooded or sealed deep-cycle lead-acid batteries. They have an “I-E-I” profile, which is high-rate constant current (start/bulk region), constant voltage (plateau/absorption region), and low-rate constant current (finish region). The chargers are controlled by an advanced microprocessor controller with features like automatic multi-voltage charging, individual amp-hour setting/battery profile per DC voltage level, field programmability, and a real-time clock.

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Figure 9.2-1: User Interface

9.2.1 Control Panel

To interact with the user, the user interface includes a control panel with 4 buttons, 8 LEDs (light emitting diodes), and a 4-digit alphanumeric display with high-visibility 1” characters. Figure 9.2.1-1 and Figure 9.2.1-2 describe the button and the LED functions, respectively.

Button Description

Equalize/Daily

Converts a daily charge cycle to an equalize/balance charge cycle. Converts an equalize/balance charge cycle to a daily charge cycle.

Stop/Start Stops a charge cycle that is in progress. Manually starts a new charge cycle.

Scrolls through the real-time charge cycle parameters on the 4-digit alphanumeric

Scroll

Self Test display.

Initiates a full factory self diagnostic test of the charger. See Section 9.5 for details.

Figure 9.2.1-1: Control Panel Buttons

When a charge cycle is in progress, the Self Test button is not functional; and the Equalize/Daily,

Stop/Start and Scroll buttons must be held for a short amount of time before the charger will acknowledge the button press. This delay will guard against accidental button presses while a charge cycle is in progress.

LED Description

Charging

Lights when a charge cycle begins. Turns off when the charge cycle completes.

Blinks during the “REST” period of the multi-voltage charging voltage detection routine.

80% Charged

Lights when the 80% point (gassing voltage) is reached during a charge cycle.

Turns off when the charge cycle completes.

Equalizing

Charge

Complete

Manual Stop

Fault

Blinks when an equalize/balance charge cycle begins. Turns solid when the equalize mode completes or turns solid when the balance mode begins.

Lights when a charge cycle completes successfully. Blinks when balance or post charge mode is occurring.

Lights when the Stop/Start button is pressed while a charge cycle is in progress to manually stop charging.

Lights when a fault occurs. The display(s) will show the fault code. Fault codes are described in Section 9.4. www.douglasbattery.com 17 of 30 User’s Manual

Key features

Automatic multi-voltage charging
Individual amp-hour setting/battery profile per DC voltage level
Field programmability
Real-time clock
Complete fault monitoring with shutdown protection
Advanced microprocessor control
Opportunity charging support
Voltage mismatch protection
Self diagnostic button

Frequently asked questions

Connect the charger DC output connector to the battery connector by firmly grasping both connectors and plugging them straight together.

Do not disconnect the DC output connector from a battery pack while a charge cycle is in progress. The resulting arcing and burning of the connectors could cause the battery to explode. Press and hold the Stop/Start button to terminate the charge cycle before disconnecting.

The 'REST' message appears when the charger is performing a voltage detection routine as part of the multi-voltage charging process.

The charger settings can be programmed in the field using the LCD display and navigation pad. Refer to the user manual for instructions.

Press and hold the Self Test button to initiate a full factory self diagnostic test of the charger.