Speed Setpoint - Siemens SINAMICS S120 Manual

3 DCC Blocks
SINAMICS
parameter
number
p21739 rSlowSpeed (%)
p21740 rMaxSpeed (%)
r21883 SpeedSetpoint_
rOut_SpeedSetpoint
NOTE p21739 (rSlowSpeed (%)) and p21740 (rMaxSpeed (%)) are in relationship to
the maximum speed set in p2000 (Reference speed reference frequency)
3.5.4

Speed Setpoint

Symbol
p21860 boEnableSpeed Setpoint S7
p21861
boTravelCommandS7_DirectionPositive
p21862 boTravelCommandS7_DirectionNegative
p21863
iNormSpeedSetpointS7
p21864
rNormalizationValue
Brief description
The speed setpoint block is used to take a speed setpoint from STEP7.
Connections
Table 3-5-7 SpeedSetpoint connections
SINAMICS
parameter
number
p21860 SpeedSetpoint_boEnableSpeed
SetpointS7
p21861 boTravelCommandS7_
DirectionPositive
p21862 boTravelCommandS7_
DirectionNegative
p21863 iNormSpeedSetpointS7
p21864 rNormalizationValue
Extended Crane Drive-Based Technology AC
Extended Crane Drive-Based Technology SINAMICS S120
DCC Add-On Description 109767457,
Name Connection
type
OUT
SpeedSetpoint
Name Connection
V1.2, 09/2019
Default
assignment
IN 10
IN 100
0
boOut_MasterswitchNull
boOut_TravelCommandDirectionPositive
boOut_TravelCommandDirectionNegative
rOut_SpeedSetpoint
Default
type assignment
IN 0
IN 0
IN 0
IN 0
IN 16384
Data Meaning
type
REAL Slow (minimum speed)
as percentage
Fast (maxium speed) as
REAL
percentage
REAL Effective speed setpoint
r21880
r21881
r21882
r21883
Data Meaning
type
Enables analog
BOOL
speed setpoint
from STEP7
Positive
BOOL
direction travel
command from
STEP7
BOOL Negative
direction travel
command from
STEP7
Speed setpoint
INT
from STEP7
REAL Scaling factor
depending on
normalization
used in STEP7
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