Delta MCS-1800 Specifications download pdf (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

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 56 57

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