ACE850 multi-protocol communication interfaces are for Sepam series 40 and Sepam series 80 units.
They have two Ethernet communication ports to connect a Sepam unit to a sing
Ethernet network depending on the topology (star or ring):

• For a star topology, only one communication port is used.
• For a ring topology, both Ethernet communication ports are used to provide redundancy. This redundancy conforms to the RSTP 802.1d 2004 standard.

Either port can be used for connection:

• To the S-LAN (Supervisory Local Area Network) port to connect a Sepam unit to

an Ethernet communication network dedicated to supervision, using either of the following protocols:

1- IEC 61850
2- eModbus TCP/IP TRA 15.

• To the E-LAN (Engineering Local Area Network) port, reserved for remote parameter setting and operation of a Sepam unit using SFT2841 software.

There are two versions of the ACE850 interface, which are identical except for the type of port featured:

• ACE850TP (Twisted Pair), for connection to an Ethernet network (S-LAN or

E-LAN) using a copper RJ45 10/100 Base TX Ethernet link.

• ACE850FO (Fiber Optic), for connection to an Ethernet network (S-LAN or E-LAN)

using a 100Base FX fiber optic connection (star or ring).

Released for:Schneider Electric United Arab Emirates