SECTION 4
OPERATION
Pacific Power Source ©2013
4-19
Document # 126050-10 Rev E
ON is when the output contactor is closed and the machine is ready to deliver
power to a load. The ON lamp is on. Observe the following sequence to achieve
ON:
A)
The STANDBY lamp is on.
B)
The MODE SELECT switch is rotated to ON. The machine is now
in ON mode.
OR
A)
The EMER OFF lamp is off.
B)
The MODE SELECT switch is in the ON position and the
START/RESET switch is pressed. The machine shall go to
STANDBY mode and then to ON mode.
EMER OFF STATE
EMER OFF causes the machine to be dead except for the low voltage power
supply. The EMER OFF push button shall be lit. The following shall cause an
EMER OFF:
A)
EMER OFF BUTTON, the EMER OFF push button has been
pressed.
B)
MASTER EMERGENCY OFF, The Master Cabinet is in an
EMERGENCY OFF STATE and this machine is a SLAVE.
C)
INPUT LINE FAULT, the input power is not within limits.
D)
LVPS FAULT, one of the low voltage power supplies has failed.
E)
BUS VOLTAGE > 240 VDC, one of the high voltage power supplies
has exceeded 240 VDC.
F)
INVERTER FAULT, one of the inverters has failed.
G)
INVERTER OVERTEMP, one of the inverters is too hot.
H)
TRANSFORMER OVERTEMP, the large input transformer has
overheated.
I)
SUSTAINED OVERLOAD, the power source has been in current
limit for a long time.
J)
EXTERNAL EMERGENCY OFF, an external signal has caused an
emergency off.
