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Reverse Rotation Prevention Selection (pr. 78); Display Of Applied Parameters And User Group Function (pr. 160, Pr. 172 To Pr. 174) - Mitsubishi Electric FR-F740-00023 Instruction Manual

F700 series.
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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
Name
Number
Reverse rotation prevention
78
selection
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 173.)
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 operation panel (FR-DU07),
parameter unit (FR-PU04/FR-PU07), signals (STF, STR signals) via external terminals, and the forward and reverse
rotation commands through communication.

4.17.4 Display of applied parameters and user group function (Pr. 160, Pr. 172 to Pr. 174)

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
Name
Number
160
User group read selection
User group registered display/
172
*1
batch clear
173
User group registration
*1, 2
174
User group clear
*1, 2
*1
They can be set when Pr. 160 User group read selection = "0".
*2
The values read from Pr. 173 and Pr. 174 are always "9999".
(1) Display of simple mode parameters and extended parameters (Pr. 160)
When Pr. 160 = "9999" (initial value), only the simple mode parameters can be displayed on the operation panel
(FR-DU07) and parameter unit (FR-PU04/FR-PU07). (Refer to the parameter list, pages 55 to 64, for the simple
mode parameters.)
Set "0" in Pr. 160 to display of the simple mode parameters and extended parameters.
REMARKS
When a plug-in option is fitted to the inverter, the option parameters can also be read.
When reading the parameters using the communication option, all parameters can be read regardless of the Pr. 160 setting.
When reading the parameters using the RS-485
terminals, all parameters can be read regardless of the
Pr. 160 setting by setting Pr.550 NET mode operation
command source selection and Pr. 551 PU mode operation
command source selection.
Pr. 15 Jog frequency, Pr. 16 Jog acceleration/deceleration time, Pr. 991 PU contrast adjustment are displayed as simple mode
parameters when the parameter unit (FR-PU04/FR-PU07) is mounted.
Misoperation prevention and parameter
Initial Value
Setting Range
0
0
1
2
Initial Value
Setting Range
9999
9999
0
1
(0 to 16)
0
9999
9999
0 to 999, 9999
9999
0 to 999, 9999
Pr.551
1 (RS-485)
2
(PU)
(initial
value)
*
OP indicates a communication option
setting restriction
Description
Both forward and reverse rotations
allowed
Reverse rotation disabled
Forward rotation disallowed
Description
Only the simple mode parameters can
be displayed.
The simple mode and extended
parameters can be displayed
Only parameters registered in the user
group can be displayed.
Displays the number of cases registered
as a user group (Read only)
Batch clear the user group registration
Set the parameter numbers to be
registered to the user group.
Set the parameter numbers to be cleared
from the user group.
Pr.550
Pr.160 Valid/Invalid
Valid
0(OP)
Valid
1(RS-485)
Invalid (all readable)
With OP: valid
9999
(auto-detect)
Without OP: invalid
(initial value)
(all readable)
4
173

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