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14.3 Details of Errors
14.3.1 Types of errors
The errors detected in the QD73A1 are categorized into five types.
(1) Setting data range error
The QD73A1 checks parameters with the setting ranges at the following timings, and detects an error when a
data is outside the setting range. If an error occurs, the corresponding data must be changed to a value within the
setting range.
(2) Start error
Start error is a type of errors that occur at a start of OPR control, major positioning control, or JOG operation.
Operation does not start if an error occurs.
(3) Operation error
Operation error is a type of errors that occur during OPR control, major positioning control, or JOG operation.
If an error occurs, operation decelerates and stops or continues without decelerating depending on the error
detail.
For the operation at the error occurrence, refer to the following.
( Page 252, Section 14.3.4)
(4) Control change error
Control change error is a type of errors that occur at a control change during positioning.
The data for the control change is ignored if an error occurs.
(5) Zero/gain adjustment error
Zero/gain adjustment error is a type of errors that occur during zero/gain adjustment.
The details of the zero/gain adjustment are not reflected in the QD73A1 if an error occurs. Eliminate the error
cause, and perform zero/gain adjustment again.
Setting data Check timing
Fixed parameters When PLC READY signal (Y2D) is turned on
Variable parameters
When a positioning start signal (Y21 to Y23) is turned on
When a JOG start signal (Y24, Y25) is turned on
When OPR start signal (Y20) is turned on
OPR parameters When OPR start signal (Y20) is turned on
Positioning data When a positioning start signal (Y21 to Y23) is turned on
Control change areas Before the execution of a control change