Instruction Manual

PDC24
/
PAC
October
200
5
–
Issue 3
9
Tri guard 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.