4.2.2. Description of the output data
Byte 1: Commands
Table 27: Byte 1: Commands
DescriptionValueDesignation
(process representation)
Bit
Operation command in direction OPEN1
Fieldbus OPEN
0
No command0
Operation command in direction CLOSE1
Fieldbus CLOSE
1
No command0
Run to setpoint
Setpoint is provided via bytes 3 and 4.
In combination with a proces controller, this bit is
used to change-over between process controller
mode and OPEN-CLOSE control.
1
Fieldbus SETPOINT
2
No command0
Certain indications of the actuator controls can be
reset via fieldbus while the selector switch is in pos-
ition Remote control (REMOTE) via fieldbus (e.g.
PTC tripping device and torque fault).
The function of this bit corresponds to the push but-
ton RESET at the local controls.
1
Fieldbus RESET
3
No command0
No command (reserved)—4
35
Actuator controls
AC 01.2/ACExC 01.2 Profibus DP Description of the data interface