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Commissioning and optimization (software)
7.4 Commissioning of communication between the S7 CPU and the frequency converter
P0927 parameter change source
Bit
0
2
The factory setting for all bits is 1, i.e., the parameters can be changed from all sources.
7.4.2
Process data transfer in the PROFIdrive profile
7.4.2.1
Control and status words
Control word 1 (STW1)
(Bits 0 to 10 according to PROFIdrive profile; bits 11 to 15 specifically for SIMATIC ET 200S
FC and ET 200pro FC).
Table 7- 8
Bit
0
1
2
3
4
5
104
Description
Fieldbus
Local interface
Preassignment, control word 1
Value
Meaning
1
ON
0
OFF1
1
Do not run down to
standstill
0
Run down to standstill
(OFF2)
1
No rapid standstill
0
Rapid standstill
(OFF3)
1
Enable operation
0
Disable operation
1
Enable ramp function
generator
0
Reset ramp function
generator
1
Enable ramp function
generator
0
"Freeze" ramp func-
tion generator
Value
0: No
0: No
Remarks
Puts the frequency converter into the "Ready to run"
state. The direction of rotation must be specified with
bit 11.
Shutdown, deceleration of ramp function generator
ramp, pulse tripping when f < f
All "Run down to standstill" (OFF2) commands are
canceled.
Immediate pulse tripping; drive runs down to a stand-
still.
All "Rapid standstill" (OFF3) commands are canceled.
Rapid stop: Shut down with the quickest possible delay
rate.
CL-control and frequency converter pulses are ena-
bled.
CL-control and frequency converter pulses are disa-
bled.
--
Ramp function generator output set to 0 (quickest
possible deceleration); frequency converter remains in
ON state.
--
The setpoint currently provided by the ramp function
generator is "frozen".
Operating Instructions, 07/2016, A5E01100763B AC
1: Yes
1: Yes
.
min
ET 200pro FC
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