Technical data

Active components
4.1 Active components for RS485 networks
PROFIBUS Network Manual
System Manual, Edition 04/2009, C79000-G8976-C124-03
75
● Push it towards the back as far as it will go (5).
● Tighten the securing screw with a torque of 80 to 110 Ncm (6).
4
5
6
3
1
2
Rear: Front:
80 to 1 10 Ncm
Figure 4-7 Installing the RS-485 repeater on an S7-300 rail
Removing the repeater from an S7300 rail
To remove the RS485 repeater from the S7300 rail:
● Loosen the securing screw of the RS-485 repeater (1) and
● Pull the RS485 repeater out and up (2).
2
1
Figure 4-8 Removing the RS-485 repeater from the S7-300 rail