119
NTT 240/460
S.T.O. safety circuit
Installation and user guide
Rev: 4.0
8.
Operations relating to the functions of the STO
STO INPUT STATUS
DRIVE STATUS
MOTOR
BEHAVIOUR
DISPLAY
SIGNALING
STO OUTPUT
(OUTx)
DE-ENERGIZED
OPERATION ENABLED
Stop by inertia
FA08
1
SWITCH-ON
Free
FA08
1
SWITCH-OFF
Free
FA08
1
ENERGIZED
OPERATION ENABLED
Turns
RUN
0
SWITCH-ON
Still in torque
ENA
0
SWITCH-OFF
Free
STOP
0
9.
Fault management on the STO circuit
STO circuit faults are detected when the STO input is de-energized.
STO
CHANNEL
DRIVE STATUS
MOTOR
BEHAVIOUR
HOW TO
INTERVENT
DISPLAY
SIGNALING
STO OUTPUT
(OUTx)
STO IN1
OPERATION ENABLED
Stop by inertia
Repair
needed
FA18
0
SWITCH-ON
Free
Repair
needed
FA18
0
SWITCH-OFF
Free
Repair
needed
FA18
0
STO IN2
OPERATION ENABLED
Stop by inertia
Repair
needed
FA23
0
SWITCH-ON
Free
Repair
needed
FA23
0
SWITCH-OFF
Free
Repair
needed
FA23
0
For further information about drive status and error descriptions, please see
“Ch. 8 Drive status and diagnostics”
ATTENTION!!!
TURN ON THE MACHINE WITH THE STO1 AND STO2 INPUT SIGNALS DE-ENERGIZED
TO VERIFY THAT THE SAFETY CIRCUIT IS WIRING IN THE CORRECT WAY
AND THAT IT IS INTACT WHITIN THE DRIVE:
FA08 ALARM MUST OCCURE AND THE STO OUTPUT MUST BE ACTIVE .
Содержание NTT 240
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