User`s manual
Use of I/O Units, INTERBUS Adapters and Branch Interface Modules
24
General Relationship between I/O Unit and Adapter
General 
information
The INTERBUS adapters 170 INT 110 03 and 170 INT 120 00 form the 
communication interface between the I/O units and the INTERBUS network. It can 
be plugged onto any I/O unit to form a fully functioning I/O module that 
communicates via the INTERBUS.
The I/O modules of the TSX Momentum can be operated with any INTERBUS 
master with INTERBUS certification.
The bus adapter is not a PCP node.
Functionality Each bus node updates the INTERBUS telegram before passing it on to the next 
node. The I/O module gets its output data from the telegram and transfers its input 
data to the telegram.
Compatibility The bus adapter can be combined with any I/O unit. The I/O modules are only 
specified for connection to the remote bus and the remote bus branches of the 
INTERBUS network.
Environmental 
conditions
The environmental conditions of the bus adapter and the I/O units, on which they 
can be mounted, match each other. Both are performed in protection type IP20 
Further system data can be found in the user's manual for the I/O units of the 
Momentum product family.
Note: The 170 INT 110 03 and 170 INT 120 00 adapters support the complete 
diagnostic functionality of the INTERBUS firmware generation 4.










