Control Via Profibus - Siemens SINAMICS S150 Operating Instructions Manual

6.6.2

Control via Profibus

"DP1 (PROFIBUS)" diagnostics LED
The PROFIBUS diagnostics LED is located on the front of the Control Unit CU320. Its
statuses are described in the following table.
Table 6-8 Description of the LEDs
Color State
----- OFF
Green Steady light
Green 0.5 Hz flashing
light
Red Steady light
Setting the PROFIBUS Address
Two methods are available for setting the PROFIBUS address:
● The address switches (DIP switches) on the front of the Control Unit behind the cover
● Entering parameter p0918 via the operator panel.
Table 6-9
Drive converter cabinet units
Operating Instructions, 07/07, A5E00288214A
Cyclic communication has not (yet) taken place.
PROFIBUS is ready for communication and cyclic communication is taking place.
Full cyclic communication is not yet taking place.
Possible causes: The master is not transmitting setpoints.
Cyclic communication has been interrupted.
plate (see "PROFIBUS connection"). In this case, p0918 is read-only and shows the
address setting.
A change to the switch only becomes effective after the Control Unit has been switched
on.
You can only do this if the address has been set to 0 or 127, that is, all switches from S1
to S7 are set to ON or OFF.
In this case, changes become effective immediately.
PROFIBUS address switches
Switch Significance
S1
S2
S3
S4
S5
S6
S7
Description
2 = 1
0
2 = 2
1
2 = 4
2
2 = 8
3
2 = 16
4
2 = 32
5
2 = 64
6
6.6 PROFIBUS
Technical specifications
Operation
203