
.
No.
15/37
Page
FANUC LTD
DESCRIPTION DESIGN DATE
EDIT
FANUC SERVO AMPLIFIER
βi series SVM DESCRIPTIONS
-72562EN-026
6. Setting switch for DC alarm level
With SVM1-40 and SVM1-80, four switches are provided on the front of the servo amplifier. Be
sure to set the switches to match the resistor used.
WARNING
If the switches are set incorrectly, the regenerative resistor may be damaged.
From top to bottom, switch 1, switch 2, switch 3, and switch 4 are installed in this order. Each
switch is turned on when the lever is at the left, and is turned off when the lever is at the right.
ON
12
34
(1) Setting of switch 3 and switch 4
The switches need to be set according to the regenerative discharge resistor used.
⇒ If the switches are not set correctly, the regenerative overheat alarm is not detected
correctly.
Switch 3 Switch 4 Regenerative discharge resistor
ON ON Built-in
OFF ON Separate : A06B-6089-H500
OFF OFF Separate : A06B-6089-H713, A06B-6089-H714
(2) Setting of switch 1 and switch 2
Switch 1 and switch 2 are not used. Set these switches off.