6
6.1
Operating mode, speed/torque setpoint (P0700 = 1)
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SIMODRIVE 611 universal Description of Functions (FBU) – 04.05 Edition
The following is monitored:
Is the speed controller output (torque setpoint) at its limit for longer
than the time in P1605 (torque, power, stall or current limit)?
and
Is the absolute actual speed less than that in P1606?
When the monitoring function responds, fault 608 (speed controller out-
put limited) is output and the pulse enable is withdrawn.
Note
Fault 608 (speed controller output limited) can be suppressed using
the input signal ”suppress fault 608 (from SW 3.1)”.
Table 6-5
Parameters for the torque setpoint monitoring
Parameters
No.
Name
Min.
Standard
Max.
Units
Effective
1605
Timer, n controller at its limit
20.0
200.0
10 000.0
ms
Immedi-
ately
... specifies how long the speed controller output may be at its limit, without a fault condition
being generated.
Important:
If P1605 < P1404, then regenerative braking can be canceled with fault 608, whereby the drive
then coasts down.
1606
Threshold, speed controller at its
limit
(SRM)
(ARM)
(SLM)
0.0
90 000.0
30.0
500.0
100 000.0
RPM
RPM
m/min
Immed.
... specifies up to which speed the torque setpoint monitoring is active, i.e. up to this value, fault
608 (speed controller output limited) can be output.
Note:
For PE spindles (P1015 = 1), the standard assignment is the same as for ARM (30.0 RPM).
Torque setpoint
monitoring (speed
controller output
limited, speed
controller at its
endstop)
6 Description of the Functions
01.99
10.99
10.04
