Technical specifications
16.2 Electromagnetic compatibility
S7-1500R/H redundant system
488 System Manual, 01/2024, A5E41814787-AF
Pulse-shaped disturbances
The table below shows the electromagnetic compatibility of the S7-1500R/H redundant
system with regard to pulse-shaped disturbances.
Table 16- 1 Pulse-shaped disturbances
Pulse-shaped disturbance Test voltage Corresponds
with degree of
Electrostatic discharge in accordance
with IEC 61000-4-2.
Air discharge: ±8 kV
Contact discharge: ±6 kV
Burst pulses (high-speed transient dis-
turbances) in accordance with
IEC 61000-4-4.
±2 kV (power supply line)
±2 kV (signal cable > 30 m)
±1 kV (signal cable < 30 m)
3
4
High-energy single pulse (surge) in accordance with IEC 61000-4-5
External protective wiring required (not for 230 V modules)
You can find more information in the Designing interference-free controllers Func-
3
• Asymmetric coupling
±2 kV (power supply cables)
DC with protective elements
±2 kV (signal/data line only > 30 m), with
• Symmetric coupling
±1 kV (power supply cable) DC with pro-
tective elements
±1 kV (signal/data line only > 30 m), with
Sinusoidal disturbances
The following table shows the electromagnetic compatibility of the S7-1500R/H redundant
system with respect to sinusoidal disturbances (RF radiation).
Table 16- 2 Sinusoidal disturbances with RF radiation
RF radiation in accordance with IEC 61000-4-3/NAMUR 21
Electromagnetic RF field, amplitude-modulated
Corresponds with de-
gree of severity