Page 102 of 456 Installing DC power
capacity of the supplementary shelf is 180 A (six rectifiers delivering 30 A each), but the sixth rectifier is for N+1 redundancy and kicks in only if one of the other rectifiers fails.
System Manager SP
The System Manager SP is the advanced controller available with the Candeo SP power systems. The operational features of the System Manager SP are as follows:
•graphical LCD screen
•local alarm display by means of LED indicators
•eight programmable alarm outputs
•eight programmable alarm inputs
•several processed alarms
•alarms and events history files
•alarm management
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•Ethernet (LAN) and modem
•four levels of access security (one hardware and four passwords)
•battery database
•temperature compensation
•voltage boost (equalize)
•battery discharge test
•charge control
•delivered DC power calculation
•CAN protocol communication with up to 30 modules
•maintenance of an inventory of the units in the system
•field replaceable without interruption of the rectifiers