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Safe Torque Off (STO)
3ADW000488R0101 DCS880 Service manual e a
STO revalidation test
Test procedure
For this test Drive composer pro is needed.
Step Action
Comment
1
Set 31.22 STO indication run/stop = No
indication/No indication.
2
Write down the values of:
−
31.94 STO time 1 =
−
31.95 STO time 2 =
3
Create a custom workspace:
−
31.22 STO indication run/stop.
−
31.94 STO time 1.
−
31.95 STO time 2.
−
31.98 STO actual status.
−
31.100 STO Test mode.
4
Create monitor with 31.98 STO actual
status and select following bits:
−
XSTO1.
−
XSTO1 Diag.
−
XSTO2.
−
XSTO2 Diag.
Mask = F.
Set the Max in the monitor to 0x10.
5
Set the drive to local.
6
If open, close the STO terminal circuit.
7
Give a run (press Start) command and zero
speed reference to the drive.
Note:
It is important that there is
no
current flow
during this test.
