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U Series 9 Product Manual, Rev. C
2.12
Electromagnetic immunity
When properly installed in a representative host system, the drive operates
without errors or degradation in performance when subjected to the radio
frequency (RF) environments defined in the following table:
Test
Description
Electrostatic
Contact, HCP, VCP:
discharge
Air:
Radiated RF
80 to 1,000 MHz, 3 V/m,
immunity
80% AM with 1 kHz sine
900 MHz, 3 V/m, 50% pulse
modulation @ 200 Hz
Electrical fast
transient
kV on external I/O
Surge
immunity
common, AC mains
Conducted
150 kHz to 80 MHz, 3 Vrms,
RF immunity
80% AM with 1 kHz sine
Voltage dips,
0% open, 5 seconds
interrupts
0% short, 5 seconds
40%, 0.10 seconds
70%, 0.01 seconds
2.13
Reliability
Nonrecoverable read errors
Mean time between failures
Contact start-stop cycles
Service Life
Preventive maintenance
8 kV
1 kV on AC mains,
1 kV differential,
1 per 10
600,000 power-on hours
(nominal power, 25°C ambient temperature)
50,000 cycles
(at nominal voltage and temperature, with 60 cycles
per hour and a 50% duty cycle)
5 Years
None required
Performance
level
4 kV;
B
A
0.5
B
2 kV
B
A
C
C
C
B
14
bits read, max.
Reference
standard
EN 61000-4-2: 95
EN 61000-4-3: 96
ENV 50204: 95
EN 61000-4-4: 95
EN 61000-4-5: 95
EN 61000-4-6: 97
EN 61000-4-11: 94
17
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