Vansco VMM3120, User Manual, Page: 82 / 92

72 VMM3120
Tests
List of Deviations
Ref. # Initial Requirement Deviation Reason
1 Min temp: -40 °C
Max temp: +120 °C
Min temp: -40 °C
Max temp: +85 °C
Design limitation
8 Distance to the UUT
75 cm
Distance to the UUT
50cm
Equipment deviation
15 Rate of voltage
change:1V/ms Actual rate: 1V/s Not able to monitor
impaired function during
milliseconds.
17 48 V 36 V Design limitation
19 16 V 32 V Unit is designed as
12V/24V product. 32V is
more appropriate level.
21
Source impedance 15

Source impedance 10

Equipment limitations
21 Repetition rate 0.2Hz Repetition rate 0.02Hz Equipment limitations
22 6 + |12.6sin(2pft)| 12 + |25.2sin(2pft)|
22 Frequency range:
500Hz-1.5kHz
Frequency range:
800Hz-1.5kHz
Equipment limitations
23/
24 24V system: V=600V 24V system: V=500V UUT is 24V system
28/
29 Test bench size:
2500mmx900mm
Test bench size:
1800mmx800mm
Equipment limitations
28/
29 UUT and antenna
minimum distance from
the enclosure: 2m (walls
and ceiling) Actual enclosure size:
3.05x3.05
Biconical Antenna width:
1.35m
Log periodic antenna length:
75cm
Equipment limitations
28/
29 UUT and antenna
minimum distance from
absorber:1m Actual enclosure size:
3.05x3.05
Biconical Antenna width:
1.35m
Log periodic antenna length:
75cm
Equipment limitations
30/
31 C=250pF C=330pF Harsher test
30/
31 UUT positioned on a
static dissipative mat UUT positioned on a piece
of dielectric foam ISO 10605 requirement