1 FUNCTION
1.1 Function explanation
17
1
Protective functions
*1 "Ver." indicates the supported firmware version of the servo amplifier. The functions are available on servo amplifiers with the indicated
firmware version or later.
Functions Detailed functions Description Ver.
*1
Detailed explanation
[G] [B] [A]
J5 J5D
Alarm Alarm function This function displays an alarm or warning
when an error occurs during operation. When
an alarm occurs, ALM (Malfunction) turns off
and stops the servo motor. When a warning
occurs, WNG (Warning) will turn on. The servo
motor may stop or continue operation
depending on the warning.
A0 C0 C4 A0 Page 153 Alarm
function
Power error
detection
Disconnection detection
function
This function detects a disconnection in the
main circuit power supply input and the servo
motor power supply output.
A0 C0 C4 A0 For MR-J5D_-_G_, the
input open-phase
detection function and
servo motor incorrect
wiring detection function
cannot be used.
Page 369
Disconnection/incorrect
wiring detection function
Coasting
distance
reduction
Forced stop deceleration
function
This function decelerates the servo motor to a
stop at EM2 (Forced stop 2) off or when there
is an alarm.
A0 C0 C4 A0 Page 171 Forced stop
deceleration function
Drop protection Electromagnetic brake
interlock function
This function operates the electromagnetic
brake at servo off and error occurrence, and
prevents the vertical axis from dropping.
A0 C0 C4 A0 Page 174
Electromagnetic brake
interlock function
Vertical axis freefall
prevention function
This function moves the axis up by the
mechanical backlash amount of the
electromagnetic brake to prevent damage to
machines.
A0 C0 C4 A0 Page 187 Vertical axis
freefall prevention function
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