fluke_985.ioc.Fluke985Base

class fluke_985.ioc.Fluke985Base(*args, host, **kwargs)

Base class for the Fluke985 IOC.

Parameters

hostTuple[str, int]

Fluke 985 device hostname or IP address and port.

prefixstr

Prefix for all PVs in the group.

macrosdict, optional

Dictionary of macro name to value.

namestr, optional

Name for the group, defaults to the class name.

Fluke985Base pvproperties

Attribute	Suffix	Docs	Type	Notes	Alarm Group
available_records	AvailableRecords	Records available on the Fluke	int (longin)	Read-only
battery_alarm	BatteryAlarm	Battery alarm	int (longin)	Read-only
bootloader_version	BootloaderVersion		str (stringin)	Read-only Length(40)
cal_alarm	CalAlarm	Calibration alarm	int (longin)	Read-only
calibrated_value	CalibratedValue		float (ai)	Read-only
concentration_mode	ConcentrationMode		str (stringin)	Read-only Length(40)
count_alarm	CountAlarm	Count alarm	int (longin)	Read-only
count_mode	CountMode		str (stringin)	Read-only Length(40)
data_timeout	DataTimeout		int (ai)
firmware_version	FirmwareVersion		str (stringin)	Read-only Length(40)
flow_alarm	FlowAlarm	Flow alarm	int (longin)	Read-only
hardware_version	HardwareVersion		str (stringin)	Read-only Length(40)
host	Host		str (stringin)	Read-only Length(60) Startup
laser_alarm	LaserAlarm	Laser alarm	int (longin)	Read-only
laser_current	LaserCurrent		float (ai)	Read-only
last_timestamp	LastTimestamp	Latest timestamp from data file	float (longin)	Read-only
location_name	LocationName	Configured location name on device	str (stringin)	Read-only Length(40)
model_number	ModelNumber		str (stringin)	Read-only Length(40)
norm_0_3um	Norm0_3um	0.3um Normalized to conc. mode volume	float (ai)	Read-only
norm_0_5um	Norm0_5um	0.5um Normalized to conc. mode volume	float (ai)	Read-only
norm_10_0um	Norm10_0um	10.0um Normalized to conc. mode volume	float (ai)	Read-only
norm_1_0um	Norm1_0um	1.0um Normalized to conc. mode volume	float (ai)	Read-only
norm_2_0um	Norm2_0um	2.0um Normalized to conc. mode volume	float (ai)	Read-only
norm_5_0um	Norm5_0um	5.0um Normalized to conc. mode volume	float (ai)	Read-only
over_conc_alarm	OverConcAlarm	Over concentration alarm	int (longin)	Read-only
overall_alarm	OverallAlarm	Summed alarm status (cal, flow, etc.)	int (longin)	Read-only
port	Port		int (longin)	Read-only
raw_0_3um	Raw0_3um	0.3um cumulative raw counts	float (ai)	Read-only
raw_0_5um	Raw0_5um	0.5um cumulative raw counts	float (ai)	Read-only
raw_10_0um	Raw10_0um	10.0um cumulative raw counts	float (ai)	Read-only
raw_1_0um	Raw1_0um	1.0um cumulative raw counts	float (ai)	Read-only
raw_2_0um	Raw2_0um	2.0um cumulative raw counts	float (ai)	Read-only
raw_5_0um	Raw5_0um	5.0um cumulative raw counts	float (ai)	Read-only
request_timeout	RequestTimeout		float (ai)
sample_mode	SampleMode	Sample mode (e.g., Automatic)	str (stringin)	Read-only Length(40)
sample_number	SampleNumber	Sample number index	int (longin)	Read-only
sample_period	SamplePeriod		int (longin)	Read-only
sample_volume	SampleVolume		float (ai)	Read-only
serial_number	SerialNumber		str (stringin)	Read-only Length(40)
server_state	ServerState		str (stringin)	Read-only Length(40)
sync_records	NumRecords	Records synchronized from the Fluke	int (longin)	Read-only
system_alarm	SystemAlarm	System alarm	int (longin)	Read-only
timezone	Timezone	Timezone to use for loading date/time	str (stringin)	Read-only Length(40)
update_hook	__update_hook__		int	Read-only Startup

Methods

group_read(instance)	Generic read called for channels without get defined
group_write(instance, value)	Generic write called for channels without put defined

Attributes

default_values
new_records_available	Are there new records available on the Fluke?
type_map
type_map_read_only

pvproperty methods

host.startup(self, instance, async_lib)

@host.startup
async def host(self, instance, async_lib):
    await self.host.write(self._default_host[0])
    await self.port.write(self._default_host[1])

update_hook.startup(self, instance, async_lib)

Source code: update_hook.startup

            async def scanned_startup(group, prop, async_lib):
                if use_scan_field and period is not None:
                    if prop.field_inst.scan_rate_sec is None:
                        # This is a hook to allow setting of the default scan
                        # rate through the 'period' argument of the decorator.
                        prop.field_inst._scan_rate_sec = period
                        # TODO: update .SCAN to reflect this number

                sleep = async_lib.library.sleep
                while True:
                    t0 = time.monotonic()
                    if use_scan_field:
                        iter_time = prop.field_inst.scan_rate_sec
                        if iter_time is None:
                            iter_time = 0
                    else:
                        iter_time = period

                    if iter_time > 0:
                        await call_scan_function(group, prop, async_lib)
                    else:
                        iter_time = 0.1
                        # TODO: could the scan rate - or values in general -
                        # have events tied with them so busy loops are
                        # unnecessary?
                    elapsed = time.monotonic() - t0
                    sleep_time = (max(0, iter_time - elapsed)
                                  if subtract_elapsed
                                  else iter_time)
                    await sleep(sleep_time)