Technical specifications
10.2 Directives and declarations
Mobile Client900RXA
Operating Instructions, 07/2015, A5E36360099-AA
137
Pulse-shaped interference
The following table shows the electromagnetic compatibility of modules with regard to pulse-
shaped interference. This requires the HMI device to meet the specifications and directives
for electrical installation.
Pulse-shaped interference Test voltage
Degree of severity
Electrostatic discharge
in accordance with
IEC 61000-4-2
Air discharge: 8 kV
Contact discharge: 6 kV
3
Bursts
(high-speed transient
interference)
in accordance with
IEC 61000-4-4
2 kV power supply cable
2 kV signal cable, > 30 m
1 kV signal cable, < 30 m
3
High-power surge pulses in accordance with IEC 61000-4-5, external protective circuit required
(refer to controller S7-300, Installation, section "Lightning and surge voltage protection")
Asymmetrical coupling
2 kV power cable
DC voltage with protective elements
2 kV signal/data cable, > 30 m,
with protective elements as required
3
Symmetrical coupling
1 kV power cable
DC voltage with protective elements
1 kV signal cable, > 30 m,
with protective elements as required
3
Sinusoidal interference
The following table shows the EMC behavior of the modules with respect to sinusoidal
interference. This requires the HMI device to meet the specifications and directives for
electrical installation.
Sinusoidal interference
Test values
Degree of severity
HF radiation
(in electromagnetic fields)
IEC 61000-4-3
•
80% amplitude modulation at 1 kHz
–
On 10 V/m in the range of 80 MHz to 1 GHz
–
On 3 V/m in the range of 1.4 GHz to 2 GHz
–
On 1 V/m in the range of 2 GHz to 2.7 GHz
•
10 V/m with 50% pulse modulation
–
At 900 MHz
–
At 1.89 GHz
3
RF interference current
on cables and cable
shielding
IEC 61000-4-6
Test voltage 10 V at 80% amplitude modulation of
1 kHz in the range from 10 kHz to 80 MHz
3
