Siemens SIMATIC NET PROFIBUS, Owner'S Manual, Page: 59 / 490

Topologies of SIMATIC NET PROFIBUS Networks
2-33
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
2.5.7 Connecting with the DP/AS-Interface Link 20
Design
Figure 2-22 DP/AS-Interface Link 20
The DP/AS-interface link 20 consists of a small, compact casing with degree of
protection IP20. The LEDs on the front panel indicate the following:
S
AS-Interface statuses
S
Attached and active slaves and their operability
S
PROFIBUS slave address
S
PROFIBUS bus errors and diagnostics
The DP/AS-interface link 20 also has a button with which the operating mode can
be changed, with which the existing configuration can be adopted and for setting
the PROFIBUS slave address.