Download  Print this page

Parameter Write Disable Selection (pr. 77) - Mitsubishi Electric FR-A500 Instruction Manual

Transistorized inverter.
Hide thumbs

Advertisement

4.2.34 Parameter write disable selection (Pr. 77)

Pr. 77 "parameter write disable selection"
You can select between write-enable and disable for parameters. This function is used to prevent parameter
values from being rewritten by accident.
Parameter
Factory
Number
Setting
77
0
<Setting>
Pr. 77 Setting
Write enabled during a stop only.
0
Parameter values may only be written during a stop in the PU operation mode. (Note 1)
Write disabled.
1
Values of Pr. 22, Pr. 75, Pr. 77 and Pr. 79 "operation mode selection" can be written.
2
Write enabled even during operation.
Note: 1. The shaded parameters in the parameter list can be set at any time. (Refer to page 62.)
(Pr. 72 and Pr. 240 values cannot be set during external operation.)
2. If Pr. 77 = "2", the values of the following parameters cannot be written during operation. Stop
operation when changing their parameter settings.
Parameter
Number
Stall prevention operation level compensation
23
factor at double speed
48
Second stall prevention operation current
49
Second stall prevention operation frequency
60
Intelligent mode selection
61
Reference current
Stall prevention operation reduction starting
66
frequency
71
Applied motor
79
Operation mode selection
80
Motor capacity
81
Number of motor poles
83
Rated motor voltage
84
Rated motor frequency
95
Advanced mode selection
96
Auto tuning setting/status
100
V/F1 (first frequency)
101
V/F1 (first frequency voltage)
102
V/F2 (second frequency)
103
V/F2 (second frequency voltage)
104
V/F3 (third frequency)
105
V/F3 (third frequency voltage)
106
V/F4 (fourth frequency)
107
V/F4 (fourth frequency voltage)
3. By setting "1" in Pr. 77, the following clear operations can be inhibited:
•Parameter clear
•All clear
•User clear
Setting Range
0, 1, 2
Function
Name
109
Related parameters
Pr. 79 "operation mode selection"
Parameter
Number
108
V/F5 (fifth frequency)
109
V/F5 (fifth frequency voltage)
Commercial power supply-inverter switchover
135
sequence output terminal selection
136
MC switchover interlock time
137
Start waiting time
Commercial power supply-inverter switchover
138
selection at alarm occurrenc
Automatic inverter-commercial power supply
139
switchover frequency
180
RL terminal function selection
181
RM terminal function selection
182
RH terminal function selection
183
RT terminal function selection
184
AU terminal function selection
185
JOG terminal function selection
186
CS terminal function selection
190
RUN terminal function selection
191
SU terminal function selection
192
IPF terminal function selection
193
OL terminal function selection
194
FU terminal function selection
195
A, B, C terminal function selection
PARAMETERS
Name
4

Advertisement

Table of Contents

Comments to this Manuals

Symbols: 0
Latest comments:
  • Rajesh yadav Nov 23, 2017 01:03:
    electrical controling conction manual
  • TAtang Jan 03, 2017 11:22:
    Jalan sebentar terus muncul E,7 errlor
  • THAI Sep 28, 2015 08:47:
    MANUAL INVERTER MITSUBISHI a100 .thank you very much
  • sandeep Feb 15, 2014 09:20:
    good manual and it is very good to understand the contant of inverter and i lernt many things in this manual