Siemens SIMATIC FM 453, Manual

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9-12
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
9.2 Operating Modes
The following operating modes are implemented on the FM 453:
S
Jogging (T) Code 01
S
Open-loop control (STE) Code 02
S
Reference point approach (REF) Code 03
S
Incremental relative (SMR
)
Code 04
S
MDI (Manual Data Input) Code 06
S
Automatic (A) Code 08
S
Automatic single block (AE) Code 09
FC MODE_WR is called up in order to transfer the operating mode (code),
which the user program entered in the user data block, to the FM 453.
The axis is controlled by enabling and disabling appropriate control signals.
When the specification is allowed, the FM 453 feeds back the specified mode
to the user program. If this checkback mode matches the specified one, the
mode is active.
Changing modes triggers an internal stop.
If a mode change is attempted while a traversing movement is in progress,
the modes are not switched until the axis comes to a stop. The mode check-
back is performed after the movement in the old mode is completed.
This does not apply to changes between Automatic and Automatic Single-
Block mode.
Overview
Selecting the Mode
Checkback Signal
for Mode
Changing Modes
Description of Functions