Setting Up and Operating the SIMATIC Box PC 840
Connecting the SIMATIC Box PC 840 to a SIMATIC S7 Network
Connecting an S7 Programmable Controller via PROFIBUS/MPI Port
You can connect the SIMATIC Box PC 620 to a SIMATIC S7 automation system
or to a PROFIBUS network via the potentially isolated*) PROFIBUS/MPI port**).
The MPI cable (5m) for connection to SIMATIC S7 CPUs (order no.:
6ES7901-0BF00-0AA0) is supplied with the SIMATIC Box PC 840.
Figure 3-14 Connection Using the PROFIBUS/MPI Port
Proceed as follows when connecting to a SIMATIC S7 programmable logic
1. Separate the Box PC from the mains.
2. Connect the cable to the PROFIBUS/MPI port.
Risk of damage to the SIMATIC Box PC 840!
Before plugging in the connecting cables, the static charge on your body, the unit,
and the cables must be equalized. You can do this by briefly touching the metal
Electrical isolation in the saftey extra-low voltage circuit (SELV circuit).
** Optional product feature
In disturbed surroundings:
(5 m length)
SIMATIC Box PC 840 Manual