13 USING STO FUNCTION
13.1 Introduction
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13
Function block diagram (STO function)
Operation sequence (STO function)
Maintenance
This servo amplifier has alarms and warnings for maintenance compatible with Drive safety function.
Base power
supply for
upper arm
Base power
supply for
lower arm
Shut-off signal (STO1)
CN8
Monitor signal (TOFB1)
Shut-off signal (STO2)
Monitor signal (TOFB2)
Shut-
off
Shut-
off
Servo motor
M
Power
module
STO2
STO1
ON
OFF
ON
OFF
ON
OFF
ON
OFF
0 r/min
(8 ms)
Servo motor speed
EM2 (Forced stop 2)
Magnetic contactor
Base circuit
(Supplying energy to
the servo motor)
Summary of Contents for MELSERVO-J4 series
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