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Keyword Reference Guide

MN1270 02.2002 29

ADCERRORMODE/ADM

Purpose:

Controls the default action taken in the event of an ADC limit being exceeded on an associated channel.

Controllers Supported:

NextMove PCI NextMove PC NextMove BX MintDrive ServoNode 51

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Format:

ADCERRORMODE[axes] = <expression> {,<expression> …}

v = ADCERRORMODE[axis]

Dot Parameters:

Axis - Axis No.

Attributes:

Controller Read Write Command Multi-

Axis

Scaled Default Range

NextMove

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0 ≤ x ≤ 5

Description

ADC limits are set up with the keywords

ADCMAX and ADCMIN and channels are associated to axes using

the

ADCMONITOR keyword. The ADCERRORMODE keyword determines the action taken by the controller

in the event of an ADC error being generated. Valid modes are as follows:

Mode Action

0 Ignore the error condition.

1 Crash stop the axis and drop the enable line. When the axis is idle

the error

handler will be called.

2 Crash stop the axis, leave the axis enabled. When the axis is idle the error

handler will be called.

3 Perform a controlled stop on the axis at the rate specified by the

ERRORDECEL parameter, leave the axis enabled. When the axis is idle the

error handler will be called.

4 Not applicable

5 Call the error handler.

6 Not applicable

Example:

ADCERRORMODE.0 = 2

ADCMAX.2 = 50

ADCMIN.2 = -50

ADCMONITOR.0 = 4

This sets the upper limit on channel 2 to be 50% of the maximum value and the lower limit on channels

2 to be –50%. Axes 0 is set to monitor ADC channel 2. Therefore if the value on analog channel 2

reached greater than 50%, axis 0 would incur analog motion error and the axis would take the action

specified by

ADCERRORMODE. In this case, crash stop and leave the axis enabled.