Magnavox W-10CR Installationsanleitung PDF herunterladen (Seite 111)

Programming Commands 95

ERR continued

If an error or warning occurs during program execution the fault LED

will blink the error code. If the error code is >= 10 the fault LED blinks

on 0.25 seconds and off 0.5 seconds for each ten's digit. The LED goes

off for 1.25 seconds. If the LSB digit is 0 the LED stays on for 1 second

and then goes off for 2.5 seconds. Otherwise, the fault LED blinks on

0.25 seconds and off 0.5 seconds for each unit digit then goes off for 2.5

seconds.

ERR=error number,severity

Used as a user defined error to set an error number and severity of the

error. If the error number is a 0 the fault LED will be turned off. The se-

verity levels are:

1 Stop motors in task at the maximum Deceleration rate.

2 Stop motors in task at the deceleration rate of each axis.

4 Stop motors in task at the maximum Deceleration rate.

16 Create an Error Trap if no other error is set.

EXAMPLES: x = ERR

sets variable x equal to the present error number or warning number for

this task.

ERR = 0,0

clears the error number and enables the error trap.

ERR = nn,1

sets the error number at "nn" and stops all motors in task at the maximum

deceleration rate.

ERR = nn,2

sets the error number at "nn" and stops all motors in task at the decelera-

tion rate of each axis.

ERROR HANDLING: The MX2000 Controller will handle errors in one of two ways. The first

method is to stop execution of the task in which the error occurred; all

remaining tasks continue executing. This is the default method of handling

errors. The second method of handling errors is for the user to write an

error handler routine. The routine must use the label

ERROR_HANDLER. This routine will be called whenever an error

occurs. The user may then evaluate the condition that invoked the error

handling routine. To re-arm the error trap requires the error to be set to 0

(ERR=0,0).

EXAMPLES: ERR=26,17

When this line of code is executed, an error trap condition is created. If

an error handling routine has been written execution will resume at the

ERROR_HANDLER routine. The error number is set to 26 and all

motors in this task will stop at the maximum deceleration rate.

ERROR_HANDLER: This label defines the start of the code that is to be executed if an error

occurs. The last statement in the ERROR_HANDLER code should

be an END or GOTO label.

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