Manual BG41/BG42/BG43 Interface modules
Rev. 99/49 3-17
3.2.4.4 Two-wire connection
By linking Rx+ and Tx+ or Rx- and Tx- it is possible to produce a two-wire connection. The
RS485 interface uses the two-wire connection.
Due to the links, the sent data is immediately recoupled. The recoupled data is to be filtered by
using software. It is advisable to use the RS485P module for the operation of the RS485, as in this
module the receiver is switched off at transmission.
Fig. 3-16: Two-wire connection with a RS422/RS485 module
To Next Page
Loading...
