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• When setting dial and key operations are disabled, "
operation is attempted while dial and key operations are disabled, "
operation is not performed for 2 seconds, the monitor display appears.)
• To enable the setting dial and key operation again, press
NOTE
• Even if setting dial and key operations are disabled, the monitor indicator and
5.2.6
Using a 600 VAC power supply
To use a 600 VAC power supply, change the voltage protection level.
Pr.
977
Input voltage mode selection
E302
• To use a 600 VAC power supply, set Pr.977 Input voltage mode selection = "2". The setting is applied after converter
reset. Parameter clear or All parameter clear must be performed after resetting the converter unit.
• Setting Pr.977 = "2" changes the voltage protection level to the one for the 600 VAC class.
5.2.7
Parameter write selection
Whether to enable the writing to various parameters or not can be selected. Use this function to prevent parameter values from
being rewritten by misoperation.
Pr.
77
Parameter write selection
E400
• Pr.77 can be set any time. (Setting through communication is unavailable.)
Disabling parameter write (Pr.77 = "1")
• Parameter write, Parameter clear, and All parameter clear are disabled. (Parameter read is enabled.)
• The following parameters can be written even if Pr.77 = "1".
Pr.
Reset selection/disconnected PU detection/reset
75
limit
77
Parameter write selection
296
Password lock level
297
Password lock/unlock
997
Fault initiation
Writing parameters (Pr.77 = "2")
• These parameters can always be written.
78
5. PARAMETERS
5.2 (E) Environment setting parameters
Name
Initial value
0
Name
Initial value
2
Name
" appears on the operation panel. If setting dial or key
for 2 seconds.
Setting range
0
690 VAC class voltage protection level
2
600 VAC class voltage protection level
Setting range
1
Parameter writing is disabled.
2
Parameter writing is enabled
" appears. (When a setting dial or key
are enabled.
Description
Description
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