Siemens 7SR45 Argus User Manual page 66

Quantity
Electrical connection
Protocol Support
Quantity
Electrical connection
Protocol Support
Rate
Fault Record
Events
©2018 Siemens Protection Devices Limited
Table 1-9 Front Communication Port
1
USB, Type B
Modbus RTU, IEC 60870-5-103
Table 1-10 Rear Communication Port
1 (Optional)
RS485, 2 wire electrical, twisted pair
Modbus RTU, IEC 60870-5-103
Data Transfer rate:
1200 bps to 57600 bps
Table 1-11
10 records
100 events (1 ms resolution)
Chapter 3 - 7SR45 Performance Specification
Data Storage
Chapter 3 Page 6 of 14