Note

Ophyd.v2 is included on a provisional basis until the v2.0 release and may change API on minor release numbers before then

ophyd.v2.epics.EpicsSignalW#

class ophyd.v2.epics.EpicsSignalW(datatype: Type[T], write_pv: Optional[str] = None)#

Bases: SignalW[T], _WithDatatype[T]

Writeable EPICS Signal backed by a single PV

Methods

`connect`	Connect self and all child Devices.
`set`	Set the value and return a status saying when it's done
`set_name`	Set `self.name=name` and each `self.child.name=name+"-child"`.

Attributes

`name`	Return the name of the Device
`parent`	The parent Device if it exists
`source`	Like ca://PV_PREFIX:SIGNAL, or "" if not set
`datatype`	Request that underlying PV connection is made using this Python datatype
`write_pv`	Write PV.
`write_channel`	Write `Channel`.

datatype: Type[T]#: Request that underlying PV connection is made using this Python datatype

write_channel: Channel[T]#: Write Channel. A connected instance will be set in connect()

async connect(prefix: str = '', sim=False) → None#

Connect self and all child Devices.

Parameters:

prefix:: Device specific prefix that can be used to nest Devices one within another. For example a PV prefix.
sim:: If True then connect in simulation mode.

set(value: T, wait=True) → AsyncStatus#: Set the value and return a status saying when it’s done

set_name(name: str = '')#

Set self.name=name and each self.child.name=name+"-child".

Parameters: