Yes, the LOGO! 0BA8.Standard and the new LOGO! 8.FS04 have the same Siemens order number.

The differences between old and new LOGO!:

New features of the LOGO! 8.FS4 device series

The following features are new for the LOGO! 8.FS4 devices :

●Support Modbus protocol on Ethernet TCP/IP networks

LOGO! supports both Modbus Server functions and Modbus Client functions. Modbus

modules share connections with S7 modules. LOGO! has separated connection pools for

server and client. Each connection in server pool can be used for S7 Server or Modbus

Server. There is no limitation and reservation for any server. This means S7 server

cannot access if all server connections are occupied by Modbus Server. It is also the

same case for client connection pool. Refer to S7 sections for detailed information about

server/client connection.

●Support wider ambient temperature range

LOGO! BM and EM modules can support wider ambient temperature range, and the

ambient temperature is widen to -20℃ to 55 ℃。

●Support Network Time Protocol (NTP) function for time and data synchronization

An NTP client can synchronize time from an NTP server. LOGO! 8.FS4 BM can serve as

both an NTP server and an NTP client at the same time. The NTP function of LOGO! BM

is disabled by default. You can enable it on the BM/TDE menu or LOGO!Soft Comfort.

●Support LOGO! Access Tool

Siemens provides a new tool, LOGO! Access Tool, to view and trace the variables in

LOGO! Base module. You can also save the log files of the traced variables with this tool.

For detailed information, refer to the Help manual for LOGO! Access Tool.