VIPA SSM-BG41 - Fig. 3-17: Multidrop Connection with a RS422;RS485 Module

Functional description and allocation of terminal pins Manual BG41/BG42/BG43
3-18 Rev. 99/49
3.2.4.5 Multidrop connection (Multipoint connection)
The multidrop connection should be selected, if several external pieces of equipment are to be
connected to the interface as receivers.
Fig. 3-17: Multidrop connection with a RS422/RS485 module
The number of connection possibilities for external equipment depends on the type of interface.
16 external pieces of equipment can be connected with RS422 or
32 external pieces of equipment with RS485.