Siemens SINAMICS G150 - Telegrams and Process Data

Operation
6.7 Communication according to PROFIdrive
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A
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6.7.3.1
Telegrams and process data
General information
Selecting a telegram via CU parameter p0922 determines which process data is transferred.
From the perspective of the drive unit, the received process data comprises the receive
words and the process data to be sent, the send words.
The receive and send words comprise the following elements:
•
Receive words:
Control words and setpoints
•
Send words:
Status words and actual values
Default setting "Profidrive"
When the "Profidrive" default setting is chosen for command and setpoint selection (see
"Command sources / "Profidrive" default settings"), "Free telegram" (p0922 = 999) is
selected.
The receive telegram is parameterized as follows as a result of the default setting:
STW1
NSOLL_A
The send telegram is as follows (factory setting):
ZSW1
NIST_GLATT
IAIST_GLATT
MIST_GLATT
PIST_GLATT
FAULT_CODE
You do not have to make any further settings in order to use these telegrams.
User-defined telegram selection
a. Standard telegrams
Standard telegrams are structured in accordance with PROFIdrive profile or internal
company specifications. Process data is automatically interconnected internally
corresponding to the telegram number set in parameter p0922.
The following standard telegrams can be set via parameter p0922:
•
p0922 = 1
-
> Speed setpoint, 16 bit
•
p0922 = 2
-
> Speed setpoint, 32 bit
•
p0922 = 3
-
> Speed setpoint 32 bit with 1 position controller
•
p0922 = 4
-
> Speed setpoint 32 bit with 2 position controller
•
p0922 = 20
-
> Speed setpoint, 16 bit VIK-NAMUR
•
p0922 = 352
-
> Speed setpoint, 16-bit PCS7