Siemens SIMATIC S7-1200

Technology instructions
10.3 Motion control
S7-1200 Programmable controller
742 System Manual, V4.2, 09/2016, A5E02486680-AK
Override response
The MC_Halt task can be aborted by the
following motion control tasks:
•
MC_Home Mode = 3
•
MC_Halt
•
MC_MoveAbsolute
•
MC_MoveRelative
•
MC_MoveVelocity
•
MC_MoveJog
The new MC_Halt task aborts the following
active motion control tasks:
•
MC_Home Mode = 3
•
MC_Halt
•
MC_MoveAbsolute
•
MC_MoveRelative
•
MC_MoveVelocity
•
MC_MoveJog
10.3.7.6
MC_MoveAbsolute (Position axis absolutely)
Table 10- 64 MC_MoveAbsolute instruction
LAD / FBD
SCL
Description
"MC_MoveAbsolute_DB"(
Axis:=_multi_fb_in_,
Execute:=_bool_in_,
Position:=_real_in_,
Velocity:=_real_in_,
Direction:=_int_in_,
Done=>_bool_out_,
Busy=>_bool_out_,
CommandAborted=>_bool_out_,
Error=>_bool_out_,
ErrorID=>_word_out_,
ErrorInfo=>_word_out_);
Use the MC_MoveAbsolute in-
struction to start a positioning
motion of the axis to an absolute
position.
In order to use the
MC_MoveAbsolute instruction, the
axis must first be enabled and also
must be homed.
1
STEP 7 automatically creates the DB when you insert the instruction.
2
In the SCL example, "MC_MoveAbsolute_DB" is the name of the instance DB.