B&R Industries Automation PC 620, User Manual

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364
Maintenance / servicing • Requirements for immunity to disturbances
Automation PC 620 User's Manual V 1.90
4.7 Voltage dips, fluctuations and short-term interruptions
4.8 Damped oscillations
Test carried out according to
EN 61000-4-11 Limits according to
EN 61000-6-2
Limits according to
EN 61131-2
Limits according to
EN 55024
AC power inputs Voltage dip
70 % (30 % reduction), 0.5
periods, criteria B
- Voltage dip
< 5 % (> 95 % reduction), 0.5 half-
oscillations, criteria B
AC power inputs Voltage dip
40 % (60 % reduction), 5 periods,
criteria C
- Voltage dip
70 % (30 % reduction), 25 half-
oscillations, criteria C
AC power inputs Voltage dip
40 % (60 % reduction), 50
periods, criteria C
- -
AC power inputs Voltage interruptions
< 5 % (> 95 % reduction), 250
periods, criteria C
- Voltage interruptions
< 5 % (> 95 % reduction), 250
half-oscillations, criteria C
AC power inputs - 20 interruptions, 0.5 periods,
criteria A
-
DC power inputs - 20 interruptions for 10 ms < UN -
15 %, criteria A
-
Table 258: Test requirements - voltage dips, fluctuations, and short-term interruptions
Test carried out according to
EN 61000-4-12 Limits according to
EN 61131-2
Power I/O, L to L ± 1 kV, 1 MHz, repeat rate
400/seconds, length 2 seconds,
connection lengths 2 m, criteria B
Power I/O, L to PE ± 2.5 kV, 1 MHz, repeat rate
400/seconds, length 2 seconds,
connection lengths 2 m, criteria B
Table 259: Test requirements - damped vibration