Siemens Simatic VS 710 Quick Reference Manual page 31

Quick Reference Guide
Characteristic Technical Specifications
Load Current Power Supply
Supply voltage (V ) 24 VDC; (20.4 to 28.8 VDC, safety extra-low voltage,
N
SELV). The VS 710 has no integrated protection
against high-energy surge pulses in the µs range (surge
pulse). See EMC for external measures.
S
Yes
Input voltage
protected
against polarity
reversal
Protection class IP40
IEC 1131-2 ¢ EN 61131-2
Safety
Requirements
According to
Electromagnetic Compatibility (EMC)
Emitted interference
Limit value class B
±2 kV
Conducted
interference on
±1 kV
direct voltage
supply lines
±2 kV
*
With protective element lightning conductor KT
type AD 24 V from the Dehn company.
±2 kV
Noise immunity on
signal lines
±2 kV
±6 kV, discharge on contact
Noise immunity
against discharge of
static electricity
±8 kV, atmospheric discharge
Immunity to 10 V
high-frequency
radiation
10 V/m With 80% amplitude modulation with 1 kHz,
10 V/m Pulse-modulated 50 % IED with 900 MHz
SIMATIC VS 710
A5E00032597-02
SIMATIC VS710
according to EN55022 ¢ CISPR 22
(according to IEC 1000-4-4; burst)
(according to IEC 1000-4-5; µs pulse
*
/ line to line)
(according to IEC 1000-4-5; µs pulse
*
/ line to ground)
(according to IEC 1000-4-4; burst)
(according to IEC 1000-4-5;
µs pulse / line to ground)
(according to IEC 1000-4-2; ESD)
(according to IEC 1000-4-2; ESD)
With 80% amplitude modulation with 1 kHz,
10 kHz - 80 MHz
(according to IEC 1000-4-6)
80 kHz - 1 GHz (according to IEC 1000-4-3)
(according to EN 50 204)
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