Siemens 7SR105 Rho User Manual page 82

Table 1-9
Number
Measuring Range
Response time
Sensing current
Table 1-10
Quantity
Electrical connection
Protocol Support
Rate
Table 1-11
Quantity
Electrical connection
Table 1-12
Fault Record
Waveform Record
Events
© 2018 Siemens Protection Devices
Temperature Inputs
6
-50 ºC to +250 ºC
100 % Tset, ± 2 % or ± 2 ºC,
For Cu10: ± 2 % or ± 5 ºC
< 3 s
< 0.5 mA
Rear Communication Port
1 No.
RS485, 2 wire electrical
MODBUS RTU,
IEC 60870-5-103,
DNP 3.0
Data Transfer rate:
2400 bps to 38400 bps
Front Communication Port
1 No.
USB, Type B
Data Storage
15
15 Rec x 1 s
7 Rec x 2 s
3 Rec x 5 s
1 Rec x 15 s
Pre trigger 10...90 %
1000 events (1 ms resolution)
7SR105 Rho Performance Specification
Chapter 3 Page 6 of 17