CHAPTER 2: COMMUNICATION PORTS STATUS
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE 2-11
* SFTP is only available with the Advanced security option.
Path: Status > Communications > Connections
MMS TCP - Maximum
Default: 0 (SE), 8 (Advanced)
MMS TCP - Remaining
Modbus TCP - Maximum
Default: 3 (SE), 5 (Advanced)
NOTE:
For the “SE” communications option, a USB or WiFi connection decreases the number of
remaining Modbus TCP connections, by up to two (one for USB and one for WiFi).
Modbus TCP - Remaining
DNP TCP - Maximum
Default: 2 (Depends on the number of configured channels)
DNP TCP - Remaining
IEC - 104 - Maximum
Default: 0 (SE), 2 (Advanced. Depends on the number of configured channels)
IEC - 104 - Remaining
OPC - UA - Maximum
Default: 0 (SE), 3 (Advanced)
OPC - UA - Remaining
SFTP - Maximum
Default: 0 (SE), 8 (Advanced. 2 x 1 Administrator, 2 x 3 Observers)
NOTE:
SFTP is only available with the Advanced security option.
SFTP - Remaining
MMS TCP - Maximum 8
Modbus TCP - Maximum 5
DNP TCP - Maximum 2 (Depends on the number of configured channels)
IEC-104 TCP -Maximum 2 (Depends on the number of configured channels)
OPC-UA - Maximum 3
SFTP - Maximum* 8 (2 x 1 Administrator, 2 x 3 Observers)
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