Delta MCS-1800 - Manual (Page 17)

DELTA MCS-1800 3U Power Shelf
Installation, Operations and
Maintenance Manual
4-2
Settings Description
FL/EQU
- Function
- This button is used to manually select SMR into float or equalize state.
HVSD RST
- Function
- When SMRs shut down resulting from DC high voltage. This button is
used to reset alarm state.
SMR RST
- Function System will detect RFA warning when SMRs are vacant or turned off.
However, if the button is pushed at this time, the system will stop
sending the warning.
Voltage/Current
- Function This button is used to change the voltage or current of LED display.
Notice: When SMR turn off , the system will detect RFA warning in ES48/90-JFAxx.
When SMR vacant , the system will detect RFA warning in other system.
4.2.3 Indicators
Table 15 displays the ALU indicators.
Table 15 ALU Indicators
Indicator Color Function Description
LED1 Green FL System Float State
LED2 Yellow EQU System Equalize State
LED3 Red HV DC High Voltage Alarm-Minor
LED4 Red LV DC Low Voltage Alarm-Minor
LED5 Yellow MIN System Minor Alarm
LED6 Red MAJ System Major Alarm
LED7 Red HVSD High Voltage Shutdown (DC)
LED8 Red AC FAIL Loss of AC Input
LED9 Red FUSE ALM DC Output or Breaker SW. Trip
LED10 Red LVDS OPEN Low Voltage Disconnect Open
4.2.4 Relay Output
Table 16 displays the relay output.(Please refer to Figure 5)
Table 16 Relay Output
Relay Function Description Relay Function Description
Relay1 ACF AC Failure Relay5 LV
DC Low Voltage
Alarm-Minor
Relay2 MAJ Major Alarm Relay6 LVD
Low Voltage Disconnect
Open
Relay3 HVSD High Voltage Shutdown Relay7 FA
Breaker Trip
Alarm
Relay4 HV
DC High Voltage
Alarm-Minor
Relay8 MIN Minor Alarm