This is historical information of device classes implemented in LABMotionDB3UDP device server.

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Development status: New development
Information status: Updated

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Class Description


Tango server to drive axes connected to a Drivebox Motion Controller via UDP

Families: Motion

Key words:

Platform: Unix Like

Language: Python

License: GPL

Contact:

Hardware


Manufacturer: LAB Motion Systems

Product:

Bus: Not Applicable

Class interface


Attributes:

Name Description
ConversionScalar: DevDouble Conversion factor encoder steps => units For rotation axes this sets the number of units for one rotation (e.g. setting this to 360 units will be degrees). When changing the sign of the conversion (to swap movement direction) UnitLimitMin/Max will not be adjusted auromatically, you will have to do that yourself.
PositionKnownScalar: DevBoolean Returns true, if the axis was referenced after controller power on, otherwise false. This makes use of the fact that the controllers UI[n] variables are set to default 0 after powerup. The server will write 666 to UI[1] after a successful run of the Home command. If this value is found in UI[1] at server startup the server assumes the axis to be referenced. If for some reason you cannot reach the reference mark safely (e.g. because something would crash) and have to move the motor, you can write `true` to this attribute to make the axis moveable. But generally this is not a good idea, rather change things so you can safely run the Home command. And this will only hold until the controller is power-cycled.
MoveUnhomedScalar: DevBoolean If set to true, it is possible to move the axis even if it was not referenced (i.i. PositionKnow = false)
PositionScalar: DevDouble Write / read position in units ( writing will start movement)
UnitLimitMinScalar: DevDouble Minimum value to be given to the Position attribute. If both UnitLimitMin/UnitLimitMax are set to 0 limits are disabled.
UnitLimitMaxScalar: DevDouble Maximum value to be given to the Position attribute. If both UnitLimitMin/UnitLimitMax are set to 0 limits are disabled.
SlewRateScalar: DevDouble Velocity in units/sec normally reached at the end of the acceleration ramp during a profiled motion (i.e. by writing the position attribute)
AccelerationScalar: DevDouble maximum allowed acceleration in units/s^2
DecelerationScalar: DevDouble maximum allowed deceleration in units/s^2
StepLimitMinScalar: DevLong This makes use of the controllers ability to store limit settings (command VH[3]). Has to be set in encoder steps, no conversion is applied. Consider this a safety catch to prevent things bumping.
StepLimitMaxScalar: DevLong This makes use of the controllers ability to store limit settings (command VH[3]). Has to be set in encoder steps, no conversion is applied. Consider this a safety catch to prevent things bumping.
MotorStateScalar: DevBoolean Read motor state / turn motor on / off (true = on, false = off).
ServoStateScalar: DevBoolean Read servo state (true = on, false = off).
ForwardLimitSwitchScalar: DevBoolean State of forward limit switch (true = hit)
ReverseLimitSwitchScalar: DevBoolean State of reverse limit switch (true = hit)
StepPositionScalar: DevLong64 Write / read position in encoder steps ( writing will start movement). UnitLimitMin/Max is not taken into acoount.
HomeSpeedScalar: DevDouble Velocity in units/sec used when running a home sequence. Sign defines the direction.
HomePositionScalar: DevDouble Position value in units which will be set when reference mark is hit when running Home.
JogSpeedScalar: DevDouble Velocity in units/sec used when running the Jog command. Sign defines the direction.

Commands:

Name Description
StateInput: DevVoid
Output: State
Device state
This command gets the device state (stored in its device_state data member) and returns it to the caller.
StatusInput: DevVoid
Output: ConstDevString
Device status
This command gets the device status (stored in its device_status data member) and returns it to the caller.
HomeInput: DevVoid
Output: DevVoid
Drive axis to the reference mark. Check HomeSpeed/HomePosition before running this command.
JogInput: DevVoid
Output: DevVoid
Let axis move continuously. Velocity / direction is set via Attribute JogSpeed.
StopInput: DevVoid
Output: DevVoid
Stop movement
CtrlCmdInput: DevString
Output: DevString
Execute deliberate command on the controller. If characters like `[` are part of the command include command in double quotes.
CalibrateInput: DevDouble
new position
Output: DevVoid
Define current position as position given in input argument

Pipes:

Properties:

Name Description
HostNameDevString hostname or IP address if connecting via terminal server
PortNumberDevLong port number
MotorOffOnExitDevBoolean If set to true, motor will be disabled on server termination.

3 Sep 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



27 Aug 2022, DS Admin
Updated:
The device class has been updated.
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20 Aug 2022, DS Admin
Updated:
The device class has been updated.
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13 Aug 2022, DS Admin
Updated:
The device class has been updated.
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6 Aug 2022, DS Admin
Updated:
The device class has been updated.
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30 Jul 2022, DS Admin
Updated:
The device class has been updated.
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23 Jul 2022, DS Admin
Updated:
The device class has been updated.
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16 Jul 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



9 Jul 2022, DS Admin
Updated:
The device class has been updated.
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2 Jul 2022, DS Admin
Updated:
The device class has been updated.
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25 Jun 2022, DS Admin
Updated:
The device class has been updated.
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18 Jun 2022, DS Admin
Updated:
The device class has been updated.
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11 Jun 2022, DS Admin
Updated:
The device class has been updated.
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4 Jun 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



30 May 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



28 May 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



21 May 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



14 May 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



7 May 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



30 Apr 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



23 Apr 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



16 Apr 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



9 Apr 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



2 Apr 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



26 Mar 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



19 Mar 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



12 Mar 2022, DS Admin
Updated:
The device class has been updated.
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5 Mar 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



26 Feb 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



19 Feb 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



12 Feb 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



5 Feb 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



29 Jan 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



22 Jan 2022, DS Admin
Updated:
The device class has been updated.
You can see previous version here .



15 Jan 2022, DS Admin
Created:
The device class has been added to catalogue.
Added by:dadmin on:12 Mar 2022, 3:50 a.m.