IAI PSA-24, Instruction Manual

Page: 28 / 84

1.2 General Specifications
1-5
1.
S
pec
ific
at
ions
Protective function specifications
Item Specifications
Overcurrent
protection
Operation Output is cut off when a current exceeding the peak capacity flows (including short circuits)
Refer to "Output voltage" on page 4-1
Protection
method Intermittent action during dip
*1
Recovery Automatic recovery
Overheat
protection
Operation Output is cut off when overheating is detected by the temperature sensor on the circuit board
Protection
method Output stop (latch)
Recovery AC restart
Overload
protection
Operation
Output is cut off when continuous operation is performed at continuous rated output or more
*2
(Continuous operation exceeding the peak output power conditions specified in Figure 1.2.1)
See "Overload detection" on page 4-8
Protection
method Output voltage dip
Recovery Automatic recovery
Overvoltage
protection
Operation Output is cut off when the output voltage reaches 30 V or more
Protection
method Output stop (latch)
Recovery AC restart
Input
undervoltage
protection
Operation Output is cut off when the input voltage fails to reach 82 VAC
Protection
method Output stop
Recovery Automatic recovery
Fan rotation
detection
Operation Detects errors when 50% or less of rated rotation speed is detected
Protection
method
· Notification by signal and LED
· Overload protection level is switched to continuous rated output of 204W
*2
Recovery Latch error condition
* 1: The overcurrent protection has the characteristics shown in the diagram below. After the
output is cut off due to overcurrent, the unit recovers automatically. The output cutoff is
repeated if the cause of the overcurrent is not removed (intermittent action).
O
ut
put
v
ol
tag
e
Output current
Peak current
Output cutoff
Intermittent action
Figure 1.2.2 Overcurrent