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5
Commissioning
Festo – GDCP-CMMO-ST-EA-SY-EN – 2017-05c – English
99
5.5.2
Establish ready status (READY)
The power supply must be switched on for at least 1 s (t1) before inputs can be enabled. Ready status
can be established if the input signals [X3] STO1/STO2 are = 1 and if no errors are present.
Errors present must be remedied and, if necessary, acknowledged (
è
CONTROL ENABLE
DIN10
Ready
DOUT10
Holding brake opened
closed
1
2
t2
t1
t3
Power supply On
Off
Faults
No error
3
Switch-on time t1
1s
Delay times:
t2: depending on the parameterised switch-on delay
t3: depending on the mechanical inertia of the holding brake
1
Switch on the power supply
2
Request controller enable
3
Ready for operation
Fig. 5.5
Valve profile: establish ready status
The response time (t2) between requesting controller enable and ready status lengthens:
–
On motor with encoder by the time required to search for the commutation angle
after the first time the power supply is switched on
–
On a motor with holding brake in accordance with the parameterised switch-on delay.