Siemens SIPROTEC 5 Hardware Description Manual page 12

Technical Data
6.1 Analog Inputs
Table 6-2
Differential current input channels
Measuring range
Fault
Input impedance, current
Permissible potential difference
between channels
Galvanic separation with respect to
ground/housing
Permissible current overload
Table 6-3
Conversion principle
Insulation test voltage between the
channels
Insulation test voltage with respect
to ground/housing
Measured-value repetition
Insulation class IO210
Insulation class IO212
NOTE
i
i
You can find more information on the measuring accuracy of the analog inputs in the SIPROTEC 5 Device
manuals in the Technical Data chapter.
Temperature Inputs
Settings
Insulation class
Measurement mode
Connector type
Temperature measuring range
The IO210 has 4 high-speed measuring-transducer inputs. They can be used either as a voltage or current input.
18
19 The IO212 has 8 high-speed measuring-transducer inputs. They can be used either as a voltage or current input.
208
High-Speed Measuring-Transducer Inputs, Current
IO210: 4
IO212: 8
DC -20 mA to +20 mA
< 0.5 % of the measuring range
12 Ω
DC 3.5 kV
DC 3.5 kV
DC 100 mA continuously
Common Data for the Fast Measuring-Transducer Inputs, Voltage/Current
Delta-sigma (16 bit)
DC 3.5 kV
DC 3.5 kV
62.5 μs
ELV (Extra Low Voltage) (as per IEC 60255-27)
SELV (as per IEC 60255-27)
Value
PELV (Protective Extra Low Voltage)
(acc. to IEC 60255-27)
•
Pt 100 Ω
•
Ni 100 Ω
•
Ni 120 Ω
3-wire connection, shielded cables
16-pin, 17-pin terminal spring
-65 °C to +710 °C
-50 °C to +250 °C
-50 °C to +250 °C
18
19
SIPROTEC 5, Hardware Description, Manual
Note
–
–
–
For PT100
For NI100
For NI120
C53000-G5040-C002-F, Edition 06.2019