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PARAMETERS
5
Misoperation prevention and parameter setting restriction
5.17.3 Reverse rotation prevention selection (Pr. 78)
Set this parameter when you want to limit the motor rotation to only one direction.
This parameter setting has higher priority than the input from the operation panel or the forward/reverse rotation
command from the communication.
5.17.4 Extended parameter display and user group function (Pr. 160, Pr. 172 to Pr. 174)
(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. (Refer to the parameter
list , page 78, for the simple mode parameters.)
In the initial setting (Pr. 160 = "0") status, simple mode parameters and extended parameters can be displayed.
(2) User group function (Pr. 160, Pr. 172 to Pr. 174)
The user group function is designed to display only the parameters necessary for setting.
From among all parameters, 16 parameters maximum can be registered in the user group. When Pr. 160 is set to "1", only
the parameters registered to the user group can be accessed. (The parameters not registered in the user group can not be
read.)
To set a parameter in the user group, set its parameter number in Pr. 173.
To delete a parameter from the user group, set its parameter number to Pr. 174. Set "9999" in Pr. 172 to batch delete
parameters registered.
This function can prevent reverse rotation fault resulting from the incorrect input of the start signal.
Parameter
Number
Name
Initial
Value
Setting Range Description
78
Reverse rotation prevention
selection
0
0 Both forward and reverse rotations allowed
1 Reverse rotation disabled
2 Forward rotation disabled
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 167)
Parameter which can be read from the operation panel can be restricted.
Parameter
Number
Name
Initial
Value
Setting Range Description
160 ∗3, ∗4 User group read selection
0
9999 Displays only the simple mode parameters
0 Displays simple mode + extended parameters
1
Displays the parameters registered in the user
group.
172 ∗1
User group registered
display/batch clear
0
(0 to 16)
Displays the number of cases registered as a
user group (reading only)
9999 Batch clear the user group registration
173 ∗1, ∗2 User group registration
9999 0 to 999, 9999
Sets the parameter numbers to be registered to
the user group
174 ∗1, ∗2 User group clear
9999 0 to 999, 9999
Sets the parameter numbers to be cleared from
the user group
∗1 This parameter can be set when Pr. 160 User group read selection = "0".
∗2 The values read from Pr. 173 and Pr. 174 are always "9999".
∗3 Pr. 501 can always be read regardless of the Pr. 160 User group read selection setting.
∗4 This parameter allows its setting to be changed during operation in any operation mode even if "0 (initial value) or 1" is set in Pr. 77 Parameter write
selection.
REMARKS
Every parameter can be read regardless of the Pr.160 setting when reading parameters through FL remote communication.