1MRS755225
Transformer Terminal
Technical Reference Manual, General
RET 54_
71
connector inhibits the rear X3.3 SPA communication and the transparent SPA communication on the
LON protocol and remains inhibited for one minute after the SPA communication has stopped. It is
possible to release this blocking situation by writing the value 1 to the V202 variable.
LON
Adjustable LON serial communication parameters are Subnet number, Node
number and Bit rate.
The bit rate 1250 kbps on the LON protocol is used for the optical serial
communication network using the RER 103 module connected to the X3.3
connector.
Parameter Value Default Explanation
Subnet number 1...255 1 LON subnet number
Node number 1...127 1 LON node number
Bit rate 78.1; 1250 kbps 1250 LON communication speed
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