Siemens SINAMICS G150 Operating Instructions Manual page 313

● Controller (PROFIBUS: Master Class 1, PROFINET IO: IO controller)
● Supervisor (PROFIBUS: Master Class 2, PROFINET IO: IO Supervisor)
● Drive Unit (PROFIBUS: Slave, PROFINET IO: IO Device)
Interface IF1 and IF2
The control unit can communicate via two different interfaces (IF1 and IF2).
Table 6- 12
PROFIdrive
Standard telegrams
Isochronous mode
DO types
Can be used for
Cyclic operation possible
PROFIsafe possible
Note
For additional information on the IF1 and IF2 interfaces, see section "Parallel operation of
communication interfaces".
Converter cabinet units
Operating Instructions, 03/2012, A5E03263466A
This is typically a higher-level controller in which the automation program runs.
Example: SIMATIC S7 and SIMOTION
Devices for configuration, commissioning, and operator control and monitoring during bus
operation. Devices that exchange data with drive units and controllers acylically only.
Examples: Programming devices, operator control and monitoring devices
With reference to PROFIdrive, SINAMICS is a drive unit.
Properties of IF1 and IF2
6.7 Communication according to PROFIdrive
IF1
Yes
Yes
Yes
All
PROFINET IO, PROFIBUS
Yes
Yes
Operation
IF2
No
No
Yes
All
PROFINET IO, PROFIBUS,
CANopen
Yes
Yes
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