Siemens SINAMICS S150 NEMA, Руководство по эксплуатации

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Functions, monitoring and protective functions
9.4 Extended functions
Enclosed Drives
660
Operating Instructions, 12/2018, A5E36652151A
STOP cams:
•
p2568
BI: EPOS STOP cam activation
•
p2569
BI: EPOS STOP cam, minus
•
p2570
BI: EPOS STOP cam, plus
•
r2684
CO/BO: EPOS status word 2
Jerk limit:
• p2574
EPOS jerk limitation
• p2575
BI: EPOS jerk limitation activation
9.4.7.3 Basic positioner and safe setpoint velocity limitation
If safe speed monitoring (SLS) or the safe direction motion monitoring (SDI) is also to be
used at the same time as the EPOS positioning function, EPOS must be informed about the
activated monitoring limits. Otherwise these speed monitoring limits can be violated by the
EPOS setpoint input. By monitoring the limit value, if violated, the drive is stopped therefore
exiting the intended motion sequence. In this case, the relevant safety faults are output first,
and then the sequential faults created by EPOS.
Using parameter r9733, the safety functions offer EPOS setpoint limiting values, which when
taken into account, prevent the safety limit value being violated.
In order to prevent a safety limit violation by the EPOS setpoint input, you must transfer the
setpoint limit value (r9733) as follows to the maximum speed setpoint of EPOS (p2594):
● p2594[1] = r9733[0]
● p2594[2] = r9733[1]
In this regard you must set the delay time for SLS/SOS (p9551), so that the relevant safety
monitoring function only becomes active after the maximum required time for the speed to be
reduced below the limit. This required braking time is determined by the actual speed, the
jerk limit in p2574 and the maximum delay in p2573.
Parameters
•
p2573
EPOS maximum delay
•
p2574
EPOS jerk limitation
•
p2593
CI: EPOS LU/revolution LU/mm
•
p2594
CI: EPOS maximum speed, externally limited
•
p9351
SI Motion SLS changeover delay time (Motor Module)
•
p9551
SI Motion SLS(SG) changeover delay time (Control Unit)
•
r9733
CO: SI Motion setpoint speed limit effective