Velocity Edge GX440 Operations Instructions Page 216

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Operation
6.6 PROFIBUS
Drive converter cabinet units
216 Operating Instructions, 10/2008, A5E00288214A
6.6.4 Telegrams and process data
General information
Selecting a telegram via CU parameter p0922 determines which process data is transferred
between the master and slave.
From the perspective of the slave (SINAMICS), 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 message frame is parameterized as follows as a result of the default setting
(plan 622):
STW1 NSOLL_A
The send telegram is parameterized as follows (factory setting, plan 623):
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. The internal process data links are established automatically in
accordance with the telegram number setting in CU 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 = 7
-> Positioning telegram 7
p0922 = 20
-> Speed setpoint, 16 bit VIK-NAMUR
p0922 = 352
-> Speed setpoint, 16 PCS7
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