Configuring the fieldbus
6.3 Communication over CANopen
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
179
6.3.5
Configuration example
The following example describes how you can integrate the converter into a CANopen bus
system using STARTER in two steps.
In the first step, the converter is integrated into the communication via the CAN bus using the
Predefined Connection Set. In this case, the control word, the speed setpoint as well the
status word and speed actual value are transferred.
In the second step, using the free PDO mapping, the torque setpoint as well as the current
actual value are mapped and the BiCo wiring established.
Preconditions for integrating in CAN
The following preconditions must be fulfilled in order to be
able to integrate the converter into a CAN bus:
•
The converter and motor must have been completely
installed
•
STARTER V4.2 or higher has been installed on your
computer.
•
You have a CAN controller via which you can control the
converter.
•
The converter is connected online with Starter.
•
The EDS file has been installed on your CAN controller.
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Integrate the converter into a CAN bus system using the Predefined Connection Set
●
Carry out the commissioning (Page 68) using the wizards and for the I/O configuration
(second commissioning step) select the setting "22 CAN fieldbus" (macro 15 = 22). As a
consequence, you establish the BICO interconnection of the speed setpoint/control word
as well as speed actual value/status word corresponding to the Predefined Connections
Set.
●
In STARTER, in the screen form "…/Control_Unit/Communication/CAN" set the node ID
and data transmission rate (Page 154) - (in the example, Node ID = 50, transmission rate
= 500 kbit/s).
●
Using the Expert List, in Starter set the mapping via the Predefined connection set
(Page 165): p8744 = 1 and accept with p8744 = 1 (p8744 jumps back to 0 again after a
few seconds).
As a consequence, you have established communication with CAN via the "Predifined
Connection Set" (speed setpoint/control word as well as the actual value/status word, also
Summary of Contents for SINAMICS G120 CU230P-2
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