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Reverse Rotation Prevention Selection (pr. 78); Extended Parameter Display (pr. 160) - Mitsubishi Electric FR-D720-008 Instruction Manual

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Misoperation prevention and parameter setting restriction

4.17.3 Reverse rotation prevention selection (Pr. 78)

This function can prevent reverse rotation fault resulting from the incorrect input of the start signal.
Parameter
Number
Reverse rotation prevention
78
selection
The above parameter can be set when Pr. 160 Extended function display selection = "0". (Refer to page 160)
Set this parameter when you want to limit the motor rotation to only one direction.
This parameter is valid for all of the reverse rotation and forward rotation keys of the enclosure surface operation panel and
of parameter unit (FR-PU04/FR-PU07), the start signals (STF, STR signals) via external terminals, and the forward and
reverse rotation commands through communication.

4.17.4 Extended parameter display (Pr. 160)

Parameter which can be read from the operation panel and parameter unit can be restricted.
In the initial setting, only the simple mode parameters are displayed.
Parameter
Number
Extended function display
160
selection
(1)
Display of simple mode parameters and extended parameters (Pr. 160)
When Pr. 160 = "9999", only the simple mode parameters can be displayed on the operation panel and parameter unit (FR-
PU04/FR-PU07). (Refer to the parameter list , page 54, for the simple mode parameters.)
When Pr. 160 = "0"(initial value), simple mode parameters and extended parameters can be displayed.
REMARKS
When RS-485 communication is used to read the parameters with Pr. 551 PU mode operation command source selection ≠ "2", all
parameters can be read regardless of the Pr. 160 setting.
Pr. 15 Jog frequency, Pr. 16 Jog acceleration/deceleration time, and Pr. 991 PU contrast adjustment are displayed as simple mode
parameter when the parameter unit (FR-PU04/FR-PU07) is fitted.
Parameters referred to
Jog frequency
Pr. 15
Pr. 16
Jog acceleration/deceleration time
Pr. 551 PU mode operation command source selection
Pr. 991
PU contrast adjustment
160
Initial
Name
Value
Initial
Name
Value
0
Refer to page 89
Refer to page 89
Refer to page 239
Setting Range
0
0
1
2
Setting Range
9999
0
Refer to page 174
Description
Both forward and reverse rotations allowed
Reverse rotation disabled
Forward rotation disabled
Description
Displays only the simple mode parameters
Displays simple mode + extended parameters

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Fr-d740-012Fr-d710w-008Fr-d720s-008

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