50  Start-up       
12.01 Ext1/Ext2 sel C.False Selects external control location 
EXT1.
12.03 Ext1 ctrl mode Speed
Torque
Selects the default (power up) 
drive control mode.
3)
21.01 Speed ref1 sel FBA ref1 Selects the fieldbus reference 1 
as the source for speed 
reference 1.
22.01 Acc/Dec sel C.False Mandatory setting
24.01 Torq ref1 sel FBA ref1 Selects the fieldbus reference 1 
as the source for torque 
reference 1.
1)
 The data sources for the process feedback values are selected with the Fb ref1/2 
modesel parameters. Two pieces of feedback can be selected. To get the position 
feedback, select "Raw data" and select the appropriate drive parameter in the 
corresponding Fb act1/2 tr src parameter.
2)
 Note: After changing parameter 50.06 or 50.07, the settings must be read into the 
adapter module by using the parameter 51.27 FBA par refresh.
3)
 Note: The drive control mode is changed by the adapter module according to the 
operation mode requested by the master. However, it is recommended to set 
parameter 12.03 according to the primary operation mode. The value of parameter 
12.03 does not change when the adapter module switches the drive control mode.
Drive parameter Setting for ACS850 
drives
Description