Siemens SIMATIC NET PROFIBUS 用户手册

5-11

PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000

To remove the RS-485 repeater from the S7-300 rail:

1. Undo the screw securing the RS-485 repeater (1) and

2. Pull the RS-485 repeater out and up (2).

Figure 5-7

Removing the RS-485 Repeater from the S7-300 Rail

To be able to install the repeater on a standard rail, the catch must be present on
the back of the RS-485 repeater:

1. Fit the RS-485 repeater on to the standard rail from above and

2. Push it towards the back until the catch locks it in place.

To remove the RS-485 repeater from the standard rail:

1. Press down the catch on the bottom of the RS-485 repeater using a screwdriver

and

2. Pull the RS-485 repeater out and upwards to remove it from the standard rail.