SECTION 4
OPERATION
Pacific Power Source ©2013
4-18
Document # 126050-10 Rev E
4.4.1 MODES OF OPERATION
There are six possible modes of operation:
1.
Off State
2.
Stand By State
3.
On State
4.
Emergency Off State
5.
Slave State
6.
Auto Re-Start
These states are achieved as described below:
OFF STATE
The OFF state is achieved by rotating the Mode Select Switch to Off. If the
EMER OFF switch is illuminated, pressing START/RESET is also required to
change the state from EMER OFF to normal OFF.
OFF causes the machine to be dead except for the low voltage power supply.
OFF shall be achieved if the following are true:
A)
The EMER OFF lamp is off.
B)
The OFF lamp is on.
C)
The STANDBY lamp is off.
D)
The ON lamp is off.
STANDBY STATE
STANDBY is when the input contactor is closed and the machine is ready to
deliver power to a load but the output contactor is open. The STANDBY lamp is
on. Observe the following start sequence to achieve STANDBY:
A)
The EMER OFF lamp is off.
B)
The OFF lamp is on.
C)
The MODE SELECT switch is rotated to STANDBY.
D)
The START/RESET button is pushed.
E)
The slow turn on contactor is closed and the modulator is enabled.
F)
The main input contactor closes.
G)
The slow input contactor opens. The machine is now in STANDBY
mode.
ON STATE
Содержание MS SERIES
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