Delta Tau PMAC User Manual download pdf (Page 21)

Delta Tau Power PMAC EPICS Device Support Manual

8 February 2013

7.4 Power PMAC Axis Class

Filenames

powerPmacAxis.h

powerPmacAxis.cpp

Location

${TOP}/powerPMACApp/src

Functions

powerPmacAxis

~powerPmacAxis

move

moveVelocity

home

stop

poll

setPosition

getAxisStatus

getAxisInitialStatus

This class extends the asynMotorAxis class, providing device support for the motor

record. It is connected to the lower lever SSH port driver through the

powerPmacController class which also manages the creation of these axis objects.

This class provides useful motor methods (move, stop, etc).

Method

powerPmacAxis

Parameters

pC - Pointer to the powerPmacController object that this axis resides

on.

axisNo - The axis number of this axis.

Return

N/A

Description

Constructor. Initializes all internal variables. Forces a poller

wakeup.

Method

~powerPmacAxis

Parameters

None.

Return

N/A

Description

Destructor.

Method

move

Parameters

position - The desired position of the axis.

relative - Should the axis move relative to its current position or to

an absolute position.

min_velocity - Not used.

max_velocity - The velocity at which the axis is moved.

acceleration - The acceleration of the axis for the duration of the

move.

Return

asynStatus

Description

Moves the axis either relative to its current position or to an absolute

target position. Sets up the velocity and acceleration if necessary.

Method

moveVelocity

Parameters

min_velocity - Not used.

max_velocity - The velocity at which the axis is moved.

acceleration - The acceleration of the axis for the duration of the

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Delta Tau PMAC User Manual Page 21

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