ABB DriveIT ACH550-01 User Manual page 152

Process data from drive to fieldbus controller (Data set 2)
Data word
4
5
6
Control Word. The Control Word is the principal means for
controlling the drive from a fieldbus system. The fieldbus
controller sends the
switches between states according to the bit-coded instructions
in the
CONTROL WORD
• The drive is in remote (AUTO) control.
• The serial communication channel is defined as the source
for controlling commands (set using parameters 1001 EXT1
COMMANDS, 1002 EXT2 COMMANDS and 1102 EXT1/
EXT2 SEL).
• The plug-in fieldbus adapter module is activated:
Parameter 9802 COMM PROT SEL = 4 (EXT FBA).
• The plug-in fieldbus adapter module is configured to use the
vendor specific mode or vendor specific objects.
The following table and the state diagram later in this sub-
section describe the
Bit Name
0 OFF1 CONTROL
1 OFF2 CONTROL
148
to the drive. The drive
CONTROL WORD
. Using the
CONTROL WORD
content.
CONTROL WORD
CONTROL WORD
Valu
e
1 Enter
READY TO OPERATE
0 Stop along currently active deceleration
ramp (2203/2205). Enter OFF1
ACTIVE; proceed to READY TO
SWITCH ON unless other interlocks
(OFF2, OFF3) are active.
1 Continue operation (OFF2 inactive).
0 Emergency OFF, coast to stop.
Enter OFF2 ACTIVE; proceed to
SWITCH-ON INHIBIT.
ACH550 User's Manual
Contents
Status word
Actual speed
Actual torque
requires that:
Comments
Serial communications