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Reverse Rotation Prevention Selection (pr. 78); Extended Parameter Display And User Group Function (pr. 160, Pr. 172 To Pr. 174) - Mitsubishi Electric FR-E700 Instruction Manual

Fr-e740-016 to 300 - ec; fr-e720s-008 to 110 - ec.
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4.18.3 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 179)
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 and parameter
unit(FR-PU04/FR-PU07), the start signals (STF, STR signals) via external terminals, and the forward and reverse rotation
commands through communication.

4.18.4 Extended parameter display 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.
Parameter
Name
Number
160
User group read selection
User group registered
172 ∗1
display/batch clear
173 ∗1, ∗2 User group registration
174 ∗1, ∗2 User group clear
∗1
The above parameters 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", 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.)
In the initial setting (Pr. 160 = "0") status, simple mode parameters and extended parameters can be displayed.
REMARKS
When a plug-in option is fitted to the inverter, the option parameters can also be read.
When communication is used to read the parameters, all parameters can be read, regardless of the Pr. 160 setting.
When RS-485 communication is used to read the
parameters,
all
regardless of the Pr. 550 NET mode operation
command source selection, Pr. 551 PU mode operation
command source selection, regardless of 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.
Misoperation prevention and parameter setting restriction
Initial
Value
0
Initial
Value
0
0
9999
9999
parameters
can
be
read,
Setting Range
0
Both forward and reverse rotations allowed
1
Reverse rotation disabled
2
Forward rotation disabled
Setting Range
9999
Displays only the simple mode parameters
0
Displays simple mode + extended parameters
Displays the parameters registered in the user
1
group.
Displays the number of cases registered as a
(0 to 16)
user group (reading only)
9999
Batch clear the user group registration
Sets the parameter numbers to be registered to
0 to 999, 9999
the user group
Sets the parameter numbers to be cleared from
0 to 999, 9999
the user group
Pr. 551
Pr. 550
2 (PU)
-
0 (OP)
3 (USB)
2 (PU)
9999
(auto detect initial
9999
value)
(auto detect initial
value)
* OP indicates a communication option.
Description
Description
Pr. 160 Valid/Invalid
Valid
Valid
Invalid (all parameters
can be read)
With OP: valid
Without OP: invalid
(all parameters can be
read)
179
4

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