Siemens SIMEAS P 7KG7550, Operating Instructions Manual, Page: 19 / 52

17
Impulse voltage withstand
test, test type according IEC 60688 and
IEC 60255-5
All circuits mutually except
serial interface
5 kV; 1.2 / 50
µ
s
Insulation type of inputs and outputs
Signal inputs (current) Reinforced,
max. 600 V AC, Cat II or
max. 300 V AC, Cat III
Signal inputs (voltage) Protective impedance,
max. 600 V AC, Cat II or
max. 300 V AC, Cat III
Power supply Reinforced,
max. 230 V AC/250V DC, Cat II
Binary inputs and binary/relay
outputs Reinforced,
max. 230 V AC/250V DC, Cat II
Serial interface Optical isolated
Analog inputs and analog
outputs
Optical isolated
Reference conditions
The stated error limits apply for
reference conditions
Input current I
i
I
IN
± 1%
Input voltage V
i
V
IN
± 1%
Frequency 45 ... 65 Hz
Waveform
AC, harmonic distortion
≤
5%
Ambient temperature T
A
73.4 °F ± 1.8 °F (23 °C ± 1 °C)
Power supply voltage V
H
V
HN
± 1%
Warm-up time ≥
15 min
External fields no