Rockwell Automation PDC24 / PAC Chassis Power Supplies User Manual
Page 9

PDC24 / PAC October 2005 – Issue 3
9
Triguard SC300E PDC24 / PAC Chassis Power Supplies
SWITCHES AND INDICATORS
All user interface is via the front panel (Figure 2-3 ). The following facilities are provided:
Table 2-3. Front panel facilities
LED Indicator
Indication
Normal LED (green)
Illuminates to indicate normal operation
Power Share LED (yellow)
Illuminates to indicate that power sharing is in balance. It can
extinguish if the other PSU supplies about 1.3A more current.
Balance can be adjusted (see Section 3.3 Field functionality
tests).
NOTE: If one PSU is removed, the Power share LED on the
remaining PSU illuminates.
Fault LED (red)
Illuminates to indicate an over temperature or undervoltage fault
condition
TEST
8-way 270º DIN socket. Use as described in XRefColorection
functionality tests, Default ¶ Font. A mating connector is
available free of charge.
ON/OFF
3A (PAC)/10A (PDC24) circuit breaker and ON/OFF push switch
for supply voltage.
O/P Adi
Screwdriver adjustment of current sharing/output voltage.