Power Electronics SD 300 Series - Control Word (STW1)

SD300 – PROFINET
POWER ELECTRONICS
32
SUPPORTED PROFIDRIVE CYCLIC TELEGRAM
Control word (STW1)
Bit
Name
Value
Description
0
ON
1
Ready for operation (Operation by a
PLC is available).
OFF1
0
NOT Ready for operation (Operation
by a PLC is not available).
1
No OFF2
1
OFF2 (Coast Stop) feature is disabled.
Current operation is maintained.
OFF2 (Coast Stop)
0
Stops the motor using a free-run stop
(emergency stop).
2
No OFF3
1
OFF3 (Quick Stop) feature is disabled.
Current operation is maintained.
OFF3 (Quick Stop)
0
Stops the motor using the setting at
SD300 drive (Ad.8 “Stop Mode”).
3
Enable Operation
1
Operates the motor using the Setpoint
value (frequency reference received
from a PLC via the Profinet network
communication.
Disable Operation
0
Stops the motor using the setting at
SD300 drive (Ad.8 “Stop Mode”).
4
Enable Ramp Generator
1
Performs acceleration and
deceleration based on the
acceleration and deceleration time
settings at SD300 drive (PAR->DRV)
to reach the Setpoint (frequency
reference).
Reset Ramp Generator
0
Forces the operation frequency to “0”.
(Operating frequency drops to “0” after
decelerating based on the Dec Time
set at the drive).
5
Unfreeze Ramp
Generator
1
A fixed Ramp Generator operation is
not assigned. Acceleration and
deceleration is performed based on
the Acc/Dec times configured in the
drive group (PAR->DRV) parameter
settings to reach the Setpoint
(frequency reference).
Freeze Ramp Generator
0
Speed reference from the PLC is
ignored and the Ramp Generator
operation is fixed. The motor is
operated via the network
communication by the Profinet, and