Siemens SIMATIC S7-200 System Manual page 305

Move to an Absolute Position. This command allows you to move to a specified position at
-
a target speed. Before using this command, you must have already established the zero
position.
Move by a Relative Amount. This command allows you to move a specified distance from
-
the current position at a target speed. You can enter a positive or negative distance.
Reset the Command Interface. This command clears the command byte for the Position
-
module and sets the Done bit. Use this command if the Position module appears to not be
responding to commands.
Displaying and Modifying the Configuration of the Position Module
The Configuration tab of the control
panel allows you to view and modify the
configuration settings for the Position
module that are stored in the data block
of the S7-200.
After you modify the configuration
settings, you simple click a button to
update the settings in both the
STEP 7--Micro/Win project and the data
block of the S7-200.
Displaying the Diagnostics Information for the Position Module
The Diagnostics tab of the control panel
allows you to view the diagnostic
information about the Position module.
You can view specific information about
the Position module, such as the position
of the module in the I/O chain, the
module type and firmware version
number, and the output byte used as the
command byte for the module.
The control panel displays any error
condition that resulted from a
commanded operation. Refer to
Table 9-20 for the instruction error
conditions.
You can also view any error condition
reported by the Position module. Refer to
Table 9-21 for the module error Table 9 21 for the module error
conditions.
Open Loop Motion Control with the S7-200
Figure 9-18 Configuration Tab of the EM 253 Control Panel
Figure 9-19 Diagnostics Tab of the EM 253 Control Panel
Chapter 9
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