190
Misoperation prevention and parameter
4.17.3 Reverse rotation prevention selection (Pr. 78)
⋅
Set this parameter when you want to limit the motor rotation to only one direction.
⋅
This parameter 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)
(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 (FR-DU07) and
parameter unit (FR-PU04/FR-PU07). (Refer to the parameter list
, pages
, for the simple mode parameters.)
⋅
Set "0" in
Pr. 160
to display of the simple mode parameters and extended parameters. In the initial setting (
Pr. 160
=
"0") status, simple mode parameters and extended parameters can be displayed.
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 disallowed
The above parameters can be set when
Pr. 160 User group read selection
= "0".
(Refer to page 190.)
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
Name
Initial Value
Setting Range
Description
160
User group read selection
0
9999
Only the simple mode parameters can
be displayed.
0
The simple mode and extended
parameters can be displayed
1
Only parameters registered in the user
group can be displayed.
172
User group registered display/
batch clear
0
(0 to 16)
Displays the number of cases registered
as a user group (Read only)
9999
Batch clear the user group registration
173
User group registration
9999
0 to 999, 9999
Set the parameter numbers to be
registered to the user group.
174
User group clear
9999
0 to 999, 9999
Set the parameter numbers to be cleared
from the user group.
*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".
*3
The above parameter allows its setting to be changed during operation in any operation mode even if "0" (initial value) is set in
Pr. 77 Parameter
write selection
.
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.
⋅
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.
⋅
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
.
*
OP indicates a communication option
Pr.551
Pr.550
Pr.160 Valid/Invalid
1 (RS-485)
⎯
Valid
2
(PU)
(initial
value)
0(OP)
Valid
1(RS-485)
Invalid (all readable)
9999
(auto-detect)
(initial value)
With OP: valid
Without OP: invalid
(all readable)
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