2 Equipment Features
Operation Guide Flatpack MCU,
351300.013, v8-2006-07
7
2 Equipment Features
The Flatpack MCU alarm module may be connected to rectifier systems where Flatpack rectifiers are
installed. With Flatpack MCU installed in the rectifier system, the MCU`s front keypads and display can be
used to monitor, interrogate and operate the system. Flatpack MCU provide connectivity for remote
monitoring and control, either via WinPower Silver communication software, WebPower web browser
interface, or via an SNMP-agent to an NMS.
Flatpack MCU controls and monitors each rectifier module and provides battery / system surveillance to
protect and optimise the battery lifetime.
The Flatpack MCU incorporates the following features:
• RS232 serial interface for remote control from a local PC — or via a modem (up to 9600 baud)
• Dot matrix display with background illumination (2 lines x 16 characters)
• Menu-driven operation enables user-friendly system operation via the front keypads and LCD
• Keypad for local operation comprising 3 keys on the front panel of the alarm module
• Central Control of the entire system
• Current and Voltage Output Monitoring
• Up to five configurable digital inputs for monitoring of external equipment (generator, air-
conditioning, etc).
• Voltage level adjustment
• Temperature-compensated charging
• Manual or automatic boost-charging
• Battery testing (automatic and manual) Battery discharge tables are stored in memory
• Battery monitoring
• Three (3) low-voltage load and/or battery disconnects controlled by timer or voltage
• Automatic High Temperature Battery Disconnect (with user defined threshold)
• Storage of alarm messages in non-volatile memory
• Potential-free (dry contact) output relays.
• Test operation of relays. For testing of external alarm circuits (wiring and connections)
• Modem Callback
• Adjustable alarm limits
• Battery backed up Real Time Clock (RTC)
• The MCU main program can be upgraded via the D-sub plug on the modules front, using a PC
and the FWLoader application (Applies only for Part No. 242072.700 and newer)
• Save and load battery tables (for WinPower Silver v5.0 and newer)
• Load, save and send the configuration of the MCU (for WinPower Silver v5.0 and newer)
2.1.1 Alarms
The following are standard alarm trigger events and can be mapped to the available alarm relays.
• High Battery Alarm 1 (50.0 to 58.0 VDC)
• High Battery Alarm 2 (50.0 to 58.0 VDC)
• Low Battery Alarm 1 (32.0 to 54.0 VDC)
• Low Battery Alarm 2 (32.0 to 54.0 VDC)
• LVD 1 (for load or battery disconnect).
• LVD 2 (for load or battery disconnect).
• LVD 3 (for load or battery disconnect).
• Battery Fuse Alarm (battery breaker / fuse open)
• Rectifier Alarm (one rectifier failure)
• Critical Rectifier Alarm (more than one rectifier have failed)
• Mains Failure alarm (AC power to system is lost)
• Battery Test Alarm (Battery Test in progress / has occurred)
• Battery Pre-Alarm (Battery Test capacity result between 75% and 85% rated capacity)
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