2.6.1.4 Power Supply Units
For the supply of the modules, power supply units according to PELV specifications must be
used.
2.6.1.5 Electromagnetic Compatibility
Electromagnetic Compatibility
Device suitable for:
Industrial applications Yes
Domestic applications No
Immunity against electrostatic discharge (ESD): According to IEC 61000-4-2, zone B,
criterion B
Electrostatic voltage in case of air discharge 8 kV
Electrostatic voltage in case of contact dis-
charge
4 kV, in a closed switch-gear cabinet 6
kV
1
)
ESD with communication connectors In order to prevent operating malfunc-
tions, it is recommended, that the oper-
ating personnel discharge themselves
prior to touching communication con-
nectors or perform other suitable
measures to reduce effects of electro-
static discharges.
ESD with connectors of Terminal Bases The connectors between the Terminal
Bases and Processor Modules or
Communication Modules must not be
touched during operation. The same is
valid for the I/O-Bus with all modules
involved.
Immunity against the influence of radiated (CW
radiated):
According to IEC 61000-4-3, zone B,
criterion A
Test field strength 10 V/m
Immunity against fast transient interference vol-
tages (burst):
According to IEC 61000-4-4, zone B,
criterion B
Supply voltage units (DC) 2 kV
Supply voltage units (AC) 2 kV
Digital inputs/outputs (24 VDC) 1 kV
Digital inputs/outputs (120 VAC...240 VAC) 2 kV
Analog inputs/outputs 1 kV
CS31 system bus 1 kV
Serial RS-485 interfaces (COM) 1 kV
Serial RS-232 interfaces (COM, not for PM55x
and PM56x)
1 kV
ARCNET 1 kV
FBP 1 kV
Ethernet 1 kV
I/O supply (DC-out) 1 kV
Immunity against the influence of line-conducted
interferences (CW conducted):
According to IEC 61000-4-6, zone B,
criterion A
System Assembly, Construction and Connection
AC500 (Standard) > System Data AC500
2019/04/17 3ADR010121, 13, en_US 1251
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