Mitsubishi Electric MR-J4-100B(-RJ), Instruction Manual

Page: 182 / 706

5. PARAMETERS
5 - 39
No. Symbol Name and function
Initial
value
[unit]
Setting
range
PC20 *COP7 Function selection C-7
This is used to select an undervoltage alarm detection method.
Refer to the
"Name and
function" column.
Setting
digit
Explanation
Initial
value
_ _ _ x
[AL. 10 Undervoltage] detection method selection
This is set when FR-RC-(H) or FR-CV-(H) is used and if [AL. 10
undervoltage] occurs due to distorted power supply voltage
waveform.
0: [AL. 10] not occurrence
1: [AL. 10] occurrence
When using the MR-J4-_B-RJ servo amplifier with the DC power
supply input, set "1".
0h
_ _ x _ For manufacturer setting 0h
_ x _ _ Undervoltage alarm selection
Select the alarm and warning for when the bus voltage drops to the
undervoltage alarm level.
0: [AL. 10] regardless of servo motor speed
1: [AL. E9] at servo motor speed 50 r/min (50 mm/s) or less, [AL.
10] at over 50 r/min (50 mm/s) 0h
x _ _ _ For manufacturer setting 0h
PC21 *BPS Alarm history clear
Used to clear the alarm history. Refer to the
"Name and
function" column.
Setting
digit
Explanation
Initial
value
_ _ _ x Alarm history clear selection
0: Disabled
1: Enabled
When "Enabled" is set, the alarm history will be cleared at the next
power-on. Once the alarm history is cleared, the setting becomes
disabled automatically. 0h
_ _ x _ For manufacturer setting 0h
_ x _ _ 0h
x _ _ _ 0h