Pu Disconnection Detection/Pu Setting Lock; Caution - Mitsubishi FR - S500 Instruction Manual

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.15.5

PU disconnection detection/PU setting lock

You can choose the connector disconnection detection function of the parameter
unit (FR-PU04) and the operation write of the parameter unit (FR-PU04).
PU disconnection detection : This function detects that the parameter unit
PU operation
Parameter
PU disconnection
n17 (993)
detection/PU setting lock
<Setting>
n17 Setting
Operation is continued as-is if the PU is
0
disconnected (without PU disconnection detection)
Inverter output is shut off when the PU is
1
disconnected (with PU disconnection detection)
Operation is continued as-is if the PU is
10
disconnected (without PU disconnection detection)
* The monitor display and
REMARKS
When RS-485 communication operation is performed through the RS-485
connector, the reset selection/PU stop selection function is valid but the PU
disconnection detection function is invalid.
Do not reset the inverter while the start signal is being input.
Doing so will cause the inverter to start immediately after a reset, leading to
hazardous conditions.
(FR-PU04) has been disconnected from the
inverter for longer than 1 second and causes
the inverter to provide an alarm output (PUE)
and come to an alarm stop. When the PU has
been disconnected since before power-on, it is
not judged as an alarm.
: Operation performed to perform running,
frequency setting or parameter setting from the
parameter unit (FR-PU04).
Factory
Name
Setting
PU Disconnection Detection
STOP
key are valid.
RESET

CAUTION

Setting
Range
0 0, 1, 10
135
Remarks
Setting is enabled when
Pr. 30 = "1"
PU Setting Lock
PU operation valid
PU operation invalid*
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