Infinite Variable Speed - Siemens SINAMICS S120 Manual

3 DCC Blocks
NOTE Please refer to the SIMOCRANE Drive-Based Technology Operating Instructions
for brief description, mode of operation, warnings, and connections
Connections
Table 3-5-5 MS_Analog MasterSwitch connections
SINAMICS
parameter
number
p21730 boEnable
p21731 rSpeedSetpoint (r22016)
boDirPositive (Same as
p21732
p22002)
p21733 boDirNegative (Same as
p22003)
r21883 SpeedSetpoint_
rOut_SpeedSetpoint
NOTE Analog master switch must also be activated in SIMOCRANE Drive-Based
Technology (p22001 MasterSwitch_boEnableMasterSwitch = 1)
NOTE If using a master-slave configuration, p21731 (rSpeedSetpoint (r22016)) must be
connected to r22016 (MasterSwitch_rOutSpeedSetpointMS [%]) of master in
master-slave configuration
3.5.3

Infinite Variable Speed

Symbol
p21734
boEnable
p21735
boCommandSlowSpeedUp
p21736
boCommandSlowSpeedDown
p21737
boCommandAccelerate
p21738
rRampTime (ms)
p21739 rSlowSpeed (%)
p21740 rMaxSpeed (%)
Brief description
The InfiniteVariableSpeed block allows for adjusting to any speed between a
parametrizable slow speed and max speed in either the positive or negative
direction, while only requiring a three-button master switch.
Extended Crane Drive-Based Technology AC
Extended Crane Drive-Based Technology SINAMICS S120
DCC Add-On Description 109767457,
Name Connection
type
IN
IN
IN
IN
OUT
MS_InfiniteVariableSpeed
V1.2, 09/2019
Default Data
assignment type
0 BOOL
0 REAL
0 BOOL
0 BOOL
0 REAL
SpeedSetpoint_rOut_SpeedSetpoint
Meaning
Enables analog master
switch
Connect to r22016
(MasterSwitch_
rOutSpeedSetpointMS
[%]) of drive axis
Parameterize same as
p22002 (MasterSwitch_
boNegativeDeflection)
Parameterize same as
p22003 (MasterSwitch_
boPositiveDeflection)
Effective speed setpoint
r21883
24