Emerson Control Techniques FM-4 Reference Manual page 228

Programming module
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FM-4 Programming Module Reference Manual
Figure 153:
Position View
To set up Following Error Limit and Software Travel Limits, fill out the following parameters in the Limits Group:
Enable Following Error – This check box enables (when selected) and disables the following error fault capability. If
selected, a following error fault is generated whenever following error exceeds the value entered in the parameter text box.
If clear, a following error fault will never be generated.
Following Error Limit – If Following Error meets or exceeds this value, a Following Error Fault will be generated.
Enable Software Travel Limits - This check box enables (when selected) and disables the software travel limits. If enabled,
the software travel limits are not active unless the Absolute Position Valid Source is active. (For more information please see
Software Travel Limits information in the Setting Up Parameters section on page 52)
Software Travel Limit + and - - If the position feedback ever exceeds these values when traveling in a positive or negative
direction, the motor will come to a stop at the Travel Limit Decel rate defined on the Ramps view.
Velocity View
This view sets up the feedrate override velocity. If your application does not call for an overall scaling factor, leave this at
the default of 100%.
Ramps View
Deceleration rate to be used if a travel limit is encountered must be setup on the Ramps view.
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