Sens MicroGenius S2 - Page 28

SENS MicroGenius S2/S4 Technical Manual
28
8.4.5. Battery End of Discharge
Indicates DC output voltage is below factory alarm setpoint (see Table 15) or the configured level
if setpoint is adjusted using keypad or SENS Setup Utility. This alarm is intended only for longer
discharge rates (i.e. not engine starting applications) and indicates the normal end-of-discharge
voltage for a lead-acid battery. Alarm setpoint must be set lower than LOW DC and BATTERY
DISCHARGING alarms. Activates solid yellow DC LED. Alarm/communications circuit board
BATTERY END OF DISCHARGE relay contacts change to Fail state after delay when alarm is
assigned to relay contacts.
Table 15 – Factory Battery End of Discharge Setpoints
Configuration
Code*
Battery Type
Battery End of Discharge Setpoint
12V
24V
GEN
AGM
10.50
21.00
FLA
10.50
21.00
NCD
10.50
21.00
HCB
10.50
21.00
Ultracapacitor
10.50
21.00
MAR
VRLA
10.50
21.00
AGM
10.50
21.00
NCD
10.50
21.00
NGN
VRLA
10.50
21.00
AGM
10.50
21.00
NCD
10.50
21.00
PSP
N/A
10.20
20.40
*Configuration Code displayed on charger label.
8.4.6. Charger Failure
Indicates the charger is not able to provide the current demanded by the battery and/or load or is
providing more current than the charger’s control system is commanding. This is typically caused
by a charger internal component failure. This alarm does not occur during AC power failures.
Activates solid red DC LED. Alarm/communications circuit board CHARGER FAIL relay contacts
change to Fail state after delay when alarm is assigned to relay contacts.
8.4.7. Overvoltage Shutdown
Indicates that the charger has executed a high voltage shutdown and DC output voltage is above
factory alarm setpoint (see Table 16) or the configured level if setpoint is adjusted using keypad or
SENS Setup Utility. The charger disables itself whenever excessive output voltage occurs while the
charger is delivering current. The overvoltage shutdown system is protected against nuisance trips
and will not execute if the high voltage condition is caused by an external source. Activates solid
red DC LED. Alarm/communications circuit board OVERVOLTAGE SHUTDOWN relay contacts
change to Fail state after delay when alarm is assigned to relay contacts. Reset the charger by
cycling AC and DC power to clear the alarm.