Operation Manual MA 25/MA 25e
MA 27/MA 27e
Guidance and Manufacturer’s Declaration - Electromagnetic Immunity
The MA 25/MA 27 is intended for use in the electromagnetic environment specified below. The customer or the user of the MA 25/
MA 27 should assure that it is used in such an environment.
Electromagnetic environment - guidance
Electrostatic
Discharge (ESD)
IEC 61000-4-2
Floors should be wood, concrete or ceramic
tile. If floors are covered with synthetic
material, the relative humidity should be
greater than 30%.
Electrical fast
transient/burst
IEC61000-4-4
+2 kV for power supply lines
+1 kV for input/output lines
+2 kV for power supply lines
+1 kV for input/output lines
Mains power quality should be that of a
typical commercial or residential environment.
+1 kV differential mode
+2 kV common mode
+1 kV differential mode
+2 kV common mode
Mains power quality should be that of a
typical commercial or residential environment.
Voltage dips,
short
interruptions and
voltage variations
on power supply
lines
IEC 61000-4-11
< 5% UT (>95% dip in UT)
for 0.5 cycle
40% UT (60% dip in UT)
for 5 cycles
70% UT (30% dip in UT)
for 25 cycles
<5% UT (>95% dip in UT)
for 5 sec
< 5% UT (>95% dip in UT)
for 0.5 cycle
40% UT (60% dip in UT)
for 5 cycles
70% UT (30% dip in UT)
for 25 cycles
<5% UT
for 5 sec
Mains power quality should be that of a
typical commercial or residential environment.
If the user of the MA 25/MA 27 requires
continued operation during power mains
interruptions, it is recommended that the MA
25/MA 27 be powered from an
uninterruptable power supply or its battery.
Power frequency
(50/60 Hz)
IEC 61000-4-8
Power frequency magnetic fields should be at
levels characteristic of a typical location in a
typical commercial or residential environment.
Note: UT is the A.C. mains voltage prior to application of the test level.
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