Appendix
A.6 Protocol-dependent Functions
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
357
A.6 Protocol-dependent Functions
Protocol → IEC 60870-5-103, 
single 
IEC 60870-5-103, 
redundant 
IEC 61850 
Ethernet (EN 100)
Profibus DP DNP3.0
Modbus ASCII/RTU 
Function ↓ 
Operational measured 
values
Yes Yes Yes Yes Yes
Metered values Yes Yes Yes Yes Yes
Fault recording Yes Yes Yes No No 
Remote protection 
setting
No Yes Yes No No 
User-defined 
indications and switch-
ing objects
Yes Yes Yes Yes Yes
Time synchronization Yes Yes Yes Yes Yes
Messages with time 
stamp
Yes Yes Yes Yes Yes
Commissioning aids
Data transmission stop Yes Yes Yes No No
Creating test messag-
es
Yes Yes Yes No No
Physical mode Asynchronous Asynchronous Synchronous Asynchronous Asynchronous
Transmission mode cyclic/event cyclic/event cyclic/event cyclic cyclic/event
(DNP)
cyclic
(Modbus)
Baud rate 1,200 to 115,000  2,400 to 57,600  Up to 100 MBaud Up to 1.5 
MBaud
2400 to 19200
Type – RS232
– RS485
– Fiber-optic 
cables
– RS485 Ethernet TP – RS485 
– Fiber-optic 
cables 
(double ring)
– RS485 
– Fiber-optic cables