Components
PG cable
RS485 Repeater
Programming device (PG) or PC
with the STEP 7 software
package
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
Function
... interconnects CPU and PG/PC
... for the amplification of signals
in an MPI or PROFIBUS subnet
and for interconnecting segments
of an MPI or PROFIBUS subnet
... for configuring, programming
and testing the S7-300
Product overview
Illustration
3-5