Certification
6.2 EMC and Environmental Type Tests
temporary communication loss, while Class 2 requires error-free and interrupted
communications.
IEEE Test
Description
Test Levels
Enclosure Contact
± 8 kV
C37.90.3
ESD
Enclosure Air
± 15 kV
C37.90.2
Radiated RFI
Enclosure Ports
35 V/m
Signal Ports
± 4 kV @ 2.5 kHz
DC Power Ports
± 4 kV
AC Power Ports
± 4 kV
Fast Transient
Earth ground Ports
± 4 kV
Signal Ports
2.5 kV common mode @ 1 MHz
DC Power Ports
2.5 kV common and
differential mode @ 1 MHz
C37.90.1
Oscillatory
AC Power Ports
2.5 kV common and
differential mode @ 1 MHz
Signal Ports
5 kV (Failsafe Relay)
DC Power Ports
5 kV
HV Impulse
AC Power Ports
5 kV
Signal Ports
2 kVAC (Failsafe Relay)
DC Power Ports
1.5 kVDC
C37.90
Dielectric
Strength
AC Power Ports
2 kVAC
Environmental Type Tests
Test
Description
Test Levels
Severity Levels
IEC 60068-2-1
Cold Temperature
Test Ad
-40 °C (-40
°F), 16 Hours
IEC 60068-2-2
Dry Heat
Test Bd
85 °C (185
°F), 16 Hours
IEC 60068-2-30
Humidity (Damp
Heat, Cyclic)
Test Db
95% (non-
condensing), 55 °C
(131 °F), 6 cycles
IEC 60255-21-1
Vibration
2 g @ 10-150 Hz
Class 2
IEC 60255-21-2
Shock
30 g @ 11 ms
Class 2
36
RUGGEDCOM RS940G
Installation Manual, 01/2021, C79000-G8976-1036-07
