Efficient Networks Siemens Sinamics S120 - Manual (Page 527)

Basic information about the drive system
12.12 System sampling times
Drive Functions
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
527
5. For Active Line Modules (ALM) in booksize format, only a current controller sampling time
of 125.0 µs or 250.0 µs can be set.
6. For ALMs in chassis format, only a current controller sampling time of 250.0 µs or
400.0 µs / 375.0 µs (375 µs when p0092 = 1) can be set.
7. For Basic Line Modules (BLM), only a current controller sampling time of 2000 µs can be
set.
8. For Motor Modules in chassis format, a current controller sampling time of minimum 250
µs can be set (250 µs ≤ p0115[0] ≤ 500 µs).
9. For Motor Modules in blocksize format (PM340), a current controller sampling time of
62.5 µs, 125.0 µs, 250.0 µs, or 500.0 µs can be set (only pulse frequencies in multiples of
2 kHz permitted).
10. When a chassis unit is connected to a DQS, the smallest current controller sampling time
must be at least 250 µs.
Example:
Mixture of chassis and booksize units on a DQS
11. A current controller sampling time between 62.5 µs and 250.0 µs can be set for servo
drives (62.5 µs ≤ p0115[0] ≤ 250.0 µs).
12. A current controller sampling time between 250,0 µs and 500,0 µs can be set for servo
drives (250,0 µs ≤ p0115[0] ≤ 500,0 µs).
13. For servo drives with a current controller sampling time of p0115[0] = 62.5 µs, the
following applies:
– Only possible in booksize and blocksize format.
Maximum number of components/devices:
– Booksize: 2 servo with p0115[0] = 62.5 µs + Line Module (connected to another DQS)
– Blocksize: 1 servo with p0115[0] = 62.5 µs
– Booksize servo drives can be combined on one DQS with a servo with p0115[0] =
125.0 µs, but with the same quantity framework.
– A DQ hub DMC20 cannot be operated on a DQS with servo drives with p0115[0] =
62.5 µs but must be connected to a separate DQS.
14. Synchronous PROFIBUS operation (set p0092 to 1):
– Servo, vector and vector-V/f control objects must have the same current controller
sampling time.
Exception: 125.0 µs can be mixed with 62,5 µs and 125.0 µs can be mixed with
250.0 µs.
– The current controller sampling time must also be a multiple integer of 125.0 µs or
equal to 62.5 µs.
15. For vector and vector-V/f control drive types, and when using a sinusoidal filter
(p0230 > 0), it is only permissible to change the current controller sampling time of the
DO involved in multiple integer steps of the default value.
16. The following applies when using a Voltage Sensing Module (VSM):
All current controller sampling times at the DQS must be the same.
17. For 3 vector drives (speed control: r0108.2 = 1), a minimum current controller sampling
time of 375.0 µs can be set
(375.0 µs ≤ p0115[0] ≤ 500 µs).