Abb Drives Communication Profile With Parameter- Configured Pdo Mapping - ABB FCAN-01 User Manual

72 Start-up
Drive parameter
12.03 Ext1 ctrl mode
21.01 Speed ref1 sel
1)
Automatically detected
2)
Example
The start sequence for the parameter example above is given
below.
Control word:
•
Reset the fieldbus communication fault (if active).
•
7Eh (126 decimal) → SWITCH ON DISABLED
•
7Fh (127 decimal) → OPERATION ENABLED
ABB Drives communication profile with parameter-
configured PDO mapping
This example shows how to configure a speed control application
that uses the ABB drives profile.
The start/stop commands and references are according to the ABB
Drives profile. (For more information, see section
communication profile
Reference 1 (REF1) value ±20000 (decimal) corresponds to the
reference set with parameter 19.01 (Speed scaling) in the forward
and reverse directions.
The minimum and maximum 16-bit integer values that can be
given through the fieldbus are -32768 and 32767 respectively.
PDO
Rx PDO1
Tx PDO1
Setting for ACS850
drives
Speed
2)
AI1 scaled
(Parameter 02.05)
on page 100.)
Word 1
6040h
Control word
6041h
Status word
Description
Selects the speed control mode
for external control location
EXT1.
Analog input as the source for
reference 1
ABB Drives
Word 2
6042h
Target velocity
6044h
vl control effort
Length
32 bits
32 bits