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.EpicsSignalX

class ophyd.v2.epics.EpicsSignalX(write_pv: Optional[str] = None, write_value: Any = 0, wait=True)

Bases: Signal

Executable EPICS Signal that puts a set value to a PV on execute()

Methods

connect	Connect self and all child Devices.
execute	Execute the Signal, putting write_value to write_pv
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
write_pv	Write PV.
write_value	What value to write to the PV on execute()
wait	Whether to wait for the put to callback before returning from set()
write_channel	Write Channel.

write_pv

Write PV. Can be prefixed by passing prefix in connect()

write_value

What value to write to the PV on execute()

wait

Whether to wait for the put to callback before returning from set()

write_channel: Channel

Write Channel. A connected instance will be set in connect()

property source: str

Like ca://PV_PREFIX:SIGNAL, or “” if not set

async connect(prefix: str = '', sim=False)

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.

async execute() → None

Execute the Signal, putting write_value to write_pv

property name: str

Return the name of the Device

parent: Optional[Device] = None

The parent Device if it exists

set_name(name: str = '')

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

Parameters:

name:

New name to set, do nothing if blank or name is all set