Fieldbus control through the embedded fieldbus interface (EFB) 391
CANopen
Embedded fieldbus with CANopen protocol is for the following instrument:
• Configured variant (ACS380-04xC) with the BCAN-11 CANopen extension
module (option+K495).
The embedded CANopen operates on multiple time levels. High priority cyclical data
(control word, references, status word and actual values), and most of CANopen
message handling are processed at 2ms time level. SDO messages and drive
parameter access are processed at 10ms time level. Saving objects into non-volatile
memory and restoring objects from non-volatile memory are processed in the
background task.
The drive can be set to receive all of its control information through the fieldbus
interface, or the control can be distributed between the embedded fieldbus interface
and other available sources, for example, digital and analog inputs.
Connecting the fieldbus to the drive
Connect the fieldbus to terminal X1on the BCAN-11, which is attached to the control
unit of the drive.
The pins in the connector are identified on the BCAN-11 sticker.
91 Error Code Set when exception code 04h is generated (see table
above).
• 00h No error
• 02h Low/High limit exceeded
• 03h Faulty Index: Unavailable index of an array
parameter
• 05h Incorrect Data Type: Value does not match the
data type of the parameter
• 65h General Error: Undefined error when handling
query
92 Failed Register The last register (discrete input, coil, input register or
holding register) that failed to be read or written.
93 Last Register Written
Successfully
The last register (discrete input, coil, input register or
holding register) that was written successfully.
94 Last Register Read
Successfully
The last register (discrete input, coil, input register or
holding register) that was read successfully.
Reference Name Description
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