Siemens 7SK80 - Temperature Detection

Technical Data
4.20 Temperature Detection
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
401
4.20 Temperature Detection
Temperature Detectors
Temperature Detectors with Direct Connection (only 7SK805/7SK806)
Operational Measured Values via External Temperature Detection
Operational Measured Values via the I/O 2 Extension Module
Connectable RTD-box 1 7XV5662-6AD10 with 12 temperature sensor inputs
Number of temperature detectors max. 12
Measuring method Pt 100 Ω or Ni 100 Ω or Ni 120 Ω
selectable 2 or 3 phase connection
Mounting identification „Oil“ or „Ambient“ or „Stator“ or „Bearing“ or „Other“
Number of temperature detectors at the I/O 2 exten-
sion module
max. 5
Measurement method Pt 100 Ω or Ni 100 Ω or Ni 120 Ω
3-wire connection, shielded cable
Installation identification „Oil“ or „Ambient“ or „Stator“ or „Bearing“ or „Other“
Number of measuring points Maximal of 12 temperature measuring points
Temperature Unit °C or °F, adjustable
Measuring Range
– for Pt 100
– for Ni 100
– for Ni 120
–199 °C to 800 °C (–326 °F to 1472 °F)
–54 °C to 278 °C (–65 °F to 532 °F)
–52 °C to 263 °C (–62 °F to 505 °F)
Resolution 1 °C or 1 °F
Tolerance ± 0.5 % of measured value ± 1 digit
Number of Measuring Points Max. 5 temperature measuring points
Temperature Unit °C or °F, adjustable
Measuring Range
- for Pt 100
- for Ni 100 or Ni 120
–65 °C to 710 °C (–85 °F to 1310 °F)
–50 °C to 250 °C (–58 °F to 482 °F)
Resolution
at temperatures ≥ 100 °C
at temperatures < 100 °C
± 0.5 % of measured value ± 1°C or 1°F
±1.5 °C
Tolerance ± 0.5 % of measured value ± 1 digit
Current sensor 3.58 mA
Line resistance 14 Ω