Siemens SIMATIC S7-1200 - Page 757

Technology instructions
10.3 Motion control
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
757
You can write to the parameters that are public. You cannot write to "MotionStatus" and
"StatusBits". The valid parameters are listed in the table below:
Writeable parameter name
Writeable parameter name
Actor.InverseDirection
DynamicDefaults.Acceleration
Actor.DirectionMode DynamicDefaults.Deceleration
Actor.DriveParameter.PulsesPerDriveRevolution
DynamicDefaults.Jerk
Sensor[1].ActiveHoming.Mode DynamicDefaults.EmergencyDeceleration
Sensor[1].ActiveHoming.SideInput
PositionLimitsHW.Active
Sensor[1].ActiveHoming.Offset
PositionLimitsHW.MaxSwitchedLevel
Sensor[1].ActiveHoming.SwitchedLevel
PositionLimitsHW.MinSwitchedLevel
Sensor[1].PassiveHoming.Mode
PositionLimitsSW.Active
Sensor[1].PassiveHoming.SideInput
PositionLimitsSW.MinPosition
Sensor[1].PassiveHoming.SwitchedLevel
PositionLimitsSW.MaxPosition
Units.LengthUnit
Homing.AutoReversal
Mechanics.LeadScrew
Homing.ApproachDirection
DynamicLimits.MinVelocity
Homing.ApproachVelocity
DynamicLimits.MaxVelocity
Homing.ReferencingVelocity
Table 10- 78 Parameters for the MC_WriteParam instruction
Parameter and type
Data type
Description
PARAMNAME
IN
Variant
Name of parameter where value is written
VALUE
IN
Variant
Value to write to assigned parameter
EXECUTE
IN
Bool
Start the instruction. Default value: FALSE
DONE
OUT
Bool
Value has been written. Default value: FALSE
BUSY
OUT
Bool
If TRUE, the instruction is operating. Default value: FALSE
ERROR
OUT
Real
If TRUE, an error occurred. Default value: FALSE
ERRORID
OUT
Word
ID of the error
ERRORINFO
OUT
Word
Related information to the ERRORID