Protective Function; Orientation Unit - YASKAWA VS-626MT Series Manual

3 . PROTECTIVE FUNCTIONS
4 . ORIENTATION UNIT
(Option for Machining Centers)
1) Positioning Accuracy- ±0 .5mm or; less
2) Position Detector
a . Sensor FS-200 (joint type)
or
FS-1378 (separate type)
b . Magnet
MG-1378
OC Checks the Main DC Current and protects
the Power Transistors
OL
Checks the Main AC Current and protects
the Moter and Power Transistors .
OV Checks the Main DC Voltage and protects
the Power Transistors .
OS Checks the Motor Speed and protects the
Motor and the Machine .
FU
(Fuse Detects if the Main fuse has blown
Blown)
UV
(Under Checks the DC Power source for the
Voltage) Control Circuits .