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Man Pages


Manual Reference Pages  -  EDS (3)

NAME

EDS - Embedded Data Systems Sensors
EDS0064
  - Temperature
EDS0065
  - Temperature and Humidity
EDS0066
  - Temperature and Barometric Pressure
EDS0067
  - Temperature and Light
EDS0068
  - Temperature, Barometric Pressure and Light
EDS0070
  - Vibration
EDS0071
  - RTD 4-wire temperature
EDS0072
  - RTD 3-wire temperature
EDS0080
  - 8 Channel Analog Current Input
EDS0082
  - 8 Channel Analog Voltage Input
EDS0083
  - 4 Channel Analog Current Input
EDS0085
  - 4 Channel Analog Voltage Input
EDS0090
  - 8 Discrete I/O

CONTENTS

Synopsis
     Sub-type ( all )
     Memory ( all )
     Standard ( all )
     Temperature ( EDS0064/5/6/7/8 )
     Humidity ( EDS0065/8 )
     Barometric Pressure ( EDS0066/8 )
     Light ( EDS0067/8 )
     Vibration ( EDS0070 )
     RTD Temperature ( EDS0071/2 )
     Analog Current ( EDS0080 [0-7] EDS0083 [0-3] )
     Analog Voltage ( EDS0082 [0-7] EDS0085 [0-3] )
     I/o ( Eds0090 )
     LED ( all )
Family Code
Temperature
     EDS006X/temperature
     EDS007X/temperature
     EDS007X/resistance
Humidity
     EDS006X/humidity
     EDS006X/dew_point
     EDS006X/heat_index
     EDS006X/humidex
Light
     EDS006X/light
Pressure
     EDS006X/pressure
     EDS006X/inHg
Vibration
     EDS0070/vib_level
     EDS0070/vib_peak
     EDS0070/vib_min
     EDS0070/vib_max
Current
     EDS0080/current.[0-7|ALL] EDS0083/current.[0-3|ALL]
     EDS0080/max_current.[0-7|ALL] EDS0080/max_current.[0-3|ALL]
     EDS0083/min_current.[0-7|ALL] EDS0083/min_current.[0-3|ALL]
Voltage
     EDS0082/volts.[0-7|ALL] EDS0085/volts.[0-3|ALL]
     EDS0082/max_volts.[0-7|ALL] EDS0085/max_volts.[0-3|ALL]
     EDS0082/min_volts.[0-7|ALL] EDS0085/min_volts.[0-3|ALL]
Threshold
     EDS00XX/threshold/temp_hi EDS00XX/threshold/temp_low
     EDS006X/threshold/humidity_hi EDS006X/threshold/humidity_low
     EDS006X/threshold/dew_point_hi EDS006X/threshold/dew_point_low
     EDS006X/threshold/heat_index_hi EDS006X/threshold/heat_index_low
     EDS006X/threshold/humidex_hi tEDS006X/threshold/humidex_low
     EDS006X/threshold/pressure_hi EDS006X/threshold/pressure_low
     EDS006X/threshold/inHg_hi EDS006X/threshold/inHg_low
     EDS006X/threshold/light_hi EDS006X/threshold/light_low
     EDS0070/threshold/vib_hi EDS0070/threshold/vib_low
     EDS007X/threshold/resistance_hi EDS007X/threshold/resistance_low
     EDS0080/threshold/current_hi.[0-7|ALL] EDS0080/threshold/current_low.[0-7|ALL]
     EDS0082/threshold/volts_hi.[0-7|ALL] EDS0082/threshold/volts_low.[0-7|ALL]
     EDS0083/threshold/current_hi.[0-3|ALL EDS0083/threshold/current_low.[0-3|ALL]
     EDS0085/threshold/volts_hi.[0-3|ALL] EDS0085/threshold/volts_low.[0-3|ALL|]
Set Alarm
     EDS00XX/set_alarm/temp_hi EDS00XX/set_alarm/temp_low
     EDS006X/set_alarm/humidity_hi EDS006X/set_alarm/humidity_low
     EDS006X/set_alarm/dew_point_hi EDS006X/set_alarm/dew_point_low
     EDS006X/set_alarm/heat_index_hi EDS006X/set_alarm/heat_index_low
     EDS006X/set_alarm/humidex_hi EDS006X/set_alarm/humidex_low
     EDS006X/set_alarm/pressure_hi EDS006X/set_alarm/pressure_low
     EDS006X/set_alarm/inHg_hi EDS006X/set_alarm/inHg_low
     EDS006X/set_alarm/light_hi EDS006X/set_alarm/light_low
     EDS0070/set_alarm/vib_hi EDS0070/set_alarm/vib_low
     EDS007X/set_alarm/resistance_hi EDS007X/set_alarm/resistance_low
     EDS0080/set_alarm/current_hi.[0-7|ALL|BYTE] EDS0080/set_alarm/current_low.[0-7|ALL|BYTE]
     EDS0082/set_alarm/volts_hi.[0-7|ALL|BYTE] EDS0082/set_alarm/volts_low.[0-7|ALL|BYTE]
     EDS0083/set_alarm/current_hi.[0-3|ALL|BYTE] EDS0083/set_alarm/current_low.[0-3|ALL|BYTE]
     EDS0085/set_alarm/volts_hi.[0-3|ALL|BYTE] EDS0085/set_alarm/volts_low.[0-3|ALL|BYTE]
Alarm
     EDS00XX/alarm/clear
     EDS00XX/alarm/temp_hi EDS00XX/alarm/temp_low
     EDS006X/alarm/humidity_hi EDS006X/alarm/humidity_low
     EDS006X/alarm/dew_point_hi EDS006X/alarm/dew_point_low
     EDS006X/alarm/heat_index_hi EDS006X/alarm/heat_index_low
     EDS006X/alarm/humidex_hi EDS006X/alarm/humidex_low
     EDS006X/alarm/pressure_hi EDS006X/alarm/pressure_low
     EDS006X/alarm/inHg_hi EDS006X/alarm/inHg_low
     EDS006X/alarm/light_hi EDS006X/alarm/light_low
     EDS0070/alarm/vib_hi EDS007X/alarm/vib_low
     EDS007X/alarm/resistance_hi EDS007X/alarm/resistance_low
     EDS0080/alarm/current_hi.[0-7|ALL|BYTE] EDS0080/alarm/current_low.[0-7|ALL|BYTE]
     EDS0082/alarm/volts_hi.[0-7|ALL|BYTE] EDS0082/alarm/volts_low.[0-7|ALL|BYTE]
     EDS0083/alarm/current_hi.[0-3|ALL|BYTE] EDS0083/alarm/current_low.[0-3|ALL|BYTE]
     EDS0085/alarm/volts_hi.[0-3|ALL|BYTE] EDS0085/alarm/volts_low.[0-3|ALL|BYTE]
     EDS0090/alarm/hi[0-7|ALL] EDS0090/alarm/low[0-7|ALL]
Relay
     EDS00XX/relay/control
     EDS00XX/relay/state
LED light
     EDS00XX/LED/control
     EDS00XX/LED/state
Counter
     EDS00XX/counter/seconds
     EDS0090/counter/pulses.0-7 | ALL
     EDS0090/counter/reset.0-7 | ALL | BYTE
     EDS007X/counter/samples
Memory
     EDS008X/memory
     EDS008X/pages/page.0-4 EDS008X/pages/page.ALL
Sub-type
Standard Properties
Alarms
Description
     OWFS design
     EDS00XX Overview
     Eds0071
     Memory
     Relay and LED
Addressing
Datasheet
See Also
     Programs
     Configuration and testing
     Language bindings
     Clocks
     Id
     Memory
     Switches
     Temperature
     Humidity
     Voltage
     Resistance
     Multifunction (current, voltage, temperature)
     Counter
     LCD Screen
     Crypto
     Pressure
     Moisture
Availability
Author

SYNOPSIS

Embedded Data Systems microprocessor-based sensors

    Sub-type ( all )

7E [.]XXXXXXXXXXXX[XX][/[ device_id | device_type | tag ]]

    Memory ( all )

7E [.]XXXXXXXXXXXX[XX][/[ memory | pages/page.[0-2|ALL] ]]

    Standard ( all )

7E [.]XXXXXXXXXXXX[XX][/[ address | crc8 | id | locator | r_address | r_id | r_locator | type ]]

    Temperature ( EDS0064/5/6/7/8 )

7E.XXXXXXXXXXXX/EDS006X [/[ temperature | counters/seconds | alarm/temp_[hi|low] | alarm/clear | set_alarm/temp_[hi|low] | threshold/temp_[hi|low] ]]

    Humidity ( EDS0065/8 )

7E.XXXXXXXXXXXX/EDS006X [/[ humidity | humidex | dew_point | heat_index | alarm/humidity_[hi|low] | alarm/humidex_[hi|low] | alarm/dew_point_[hi|low] | alarm/heat_index_[hi|low] | alarm/clear | set_alarm/humidity_[hi|low] | set_alarm/humidex_[hi|low] | set_alarm/dew_point_[hi|low] | set_alarm/heat_index_[hi|low] | threshold/humidity_[hi|low] |
threshold/humidex_[hi|low] | threshold/dew_point_[hi|low] | threshold/heat_index_[hi|low] ]]

    Barometric Pressure ( EDS0066/8 )

7E.XXXXXXXXXXXX/EDS006X [/[ pressure | inHg | alarm/pressure_[hi|low] | alarm/inHg_[hi|low] | alarm/clear | set_alarm/pressure_[hi|low] | set_alarm/inHg_[hi|low] | threshold/pressure_[hi|low] | threshold/inHg_[hi|low] ]]

    Light ( EDS0067/8 )

7E.XXXXXXXXXXXX/EDS006X [/[ light | alarm/light_[hi|low] | alarm/clear | set_alarm/light_[hi|low] | threshold/light_[hi|low] ]]

    Vibration ( EDS0070 )

7E.XXXXXXXXXXXX/EDS0070 [/[ vib_level | vib_peak | vib_min | vib_max | counter/seconds | alarm/vib_[hi|low] | alarm/clear | set_alarm/vib_[hi|low] | threshold/vib_[hi|low] ]]

    RTD Temperature ( EDS0071/2 )

7E.XXXXXXXXXXXX/EDS007X [/[ temperature | resistance | raw | delay | user_byte | calibration/[key|constant] | counter/[seconds|samples] | alarm/temp_[hi|low] | alarm/RTD_[hi_low] | alarm/clear | set_alarm/temp_[hi|low] | set_alarm/RTD_[hi_low] | threshold/temp_[hi|low] | threshold/RTD_[hi_low] ]]

    Analog Current ( EDS0080 [0-7] EDS0083 [0-3] )

7E.XXXXXXXXXXXX/EDS0080 [/[ current.[0-7|ALL] | max_current.[0-7|ALL] | min_current.[0-7|ALL] | threshold/current_hi.[0-7|ALL] | threshold/current_low.[0-7|ALL] | alarm/current_hi.[0-7|ALL|BYTE] | alarm/current_low.[0-7|ALL|BYTE] | set_alarm/current_hi.[0-7|ALL|BYTE] | set_alarm/current_low.[0-7|ALL|BYTE] | counter/seconds | memory | pages/page.[0-4|ALL]

    Analog Voltage ( EDS0082 [0-7] EDS0085 [0-3] )

7E.XXXXXXXXXXXX/EDS0082 [/[ volts.[0-7|ALL] | max_volts.[0-7|ALL] | min_volts.[0-7|ALL] | threshold/volts_hi.[0-7|ALL] | threshold/volts_low.[0-7|ALL] | alarm/volts_hi.[0-7|ALL|BYTE] | alarm/volts_low.[0-7|ALL|BYTE] | set_alarm/volts_hi.[0-7|ALL|BYTE] | set_alarm/volts_low.[0-7|ALL|BYTE] | counter/seconds | memory | pages/page.[0-4|ALL]

    I/O ( EDS0090 )

7E.XXXXXXXXXXXX/EDS009X [/[ input.[0-7|ALL] | counter/[seconds | pulses.[0-7|ALL]|reset.[0-7|ALL|BYTE]] | output/[set.[0-7|ALL|BYTE]|off.[0-7|ALL|BYTE]|reset.[0-7|ALL|BYTE]] | latch/[state.[0-7|ALL|BYTE]|reset.[0-7|ALL|BYTE]] | alarm/[hi.[0-7|ALL]|low.[0-7|ALL]|clear] | set_alarm/[hi.[0-7|ALL]|low.[0-7|ALL]]

    LED ( all )

7E.XXXXXXXXXXXX/EDS00XX/LED/[state|control]

    relay ( all )

7E.XXXXXXXXXXXX/EDS00XX/relay/[state|control]

FAMILY CODE

7E

TEMPERATURE

    EDS006X/temperature

read-only, floating-point
Temperature for the EDS006X series of chips. In the -55C to 125C range, with 0.0636C precision. The temperature is read every second, continually. Data is presented in the specified temperature scale, Celsius by default.

    EDS007X/temperature

read-only, floating-point
Temperature for the EDS007X series of chips. Read using a wide-range precise RTD sensor. Typical range is -60C to 260C with 0.15C accuracy, although a range of -200C to 850C is possible. The temperature is read every second unless a longer EDS007X/delay is given. Data is presented in the specified temperature scale, Celsius by default.

    EDS007X/resistance

read-only, floating-point
Actual measured resistance (Ohms) of the RTD element. Useful if the RTD element doesn’t conform to the typical European IEC 60751 standard.

HUMIDITY

    EDS006X/humidity

read-only, floating-point
Relative humidity in the 0-100 range (percent). Read every 0.2 seconds.

    EDS006X/dew_point

read-only, floating-point
Dew point computed from EDS006X/temperature and EDS006X/humidity computered every 0.2 seconds. Data is a calculated temperature and is reported in the specified temperature scale. Default Celsius.

    EDS006X/heat_index

read-only, floating-point
Heat index computed from EDS006X/temperature and EDS006X/humidity computered every 0.2 seconds. Data is a calculated temperature and is reported in the specified temperature scale. Default Celsius.

    EDS006X/humidex

read-only, floating-point
Humidex (popular in Canada) computed from EDS006X/temperature and EDS006X/humidity computed every 0.2 seconds. Data is a percent and reported in the 0-100 range.

LIGHT

    EDS006X/light

read-only, unsigned integer
Ambient light in Lux. Measured every 0.2 seconds.

PRESSURE

    EDS006X/pressure

read-only, floating-point
Ambient pressure, measured every 0.2 seconds. Data in the selected pressure scale (default mBar).

    EDS006X/inHg

read-only, floating-point
Ambient pressure, measured every 0.2 seconds. Data in the inHg scale.

VIBRATION

    EDS0070/vib_level

read_only, unsigned integer
Vibration registered by sensor (instantaneous value) in 0-1023 range.

    EDS0070/vib_peak

read_only, unsigned integer
Vibration registered by sensor (highest recent value -- slowly decays) in 0-1023 range.

    EDS0070/vib_min

read_only, unsigned integer
Vibration registered by sensor (lowest value) in 0-1023 range.

    EDS0070/vib_max

read_only, unsigned integer
Vibration registered by sensor (highest value) in 0-1023 range.

CURRENT

The EDS0080 and EDS0083 measure current in the 4-20mA range, with upper and threshold limits and the ability to set an alarm and independently trigger a relay if the value is out of range.

    EDS0080/current.[0-7|ALL] EDS0083/current.[0-3|ALL]

read-only, floating point
Current current level. (4-20mA)

    EDS0080/max_current.[0-7|ALL] EDS0080/max_current.[0-3|ALL]

    EDS0083/min_current.[0-7|ALL] EDS0083/min_current.[0-3|ALL]

read-only, floating point
Maximum and minimum current readings since last alarm/clear command.

VOLTAGE

The EDS0082 and EDS0085 measure voltage in the 0-10V range, with upper and threshold limits and the ability to set an alarm and independently trigger a relay if the value is out of range.

    EDS0082/volts.[0-7|ALL] EDS0085/volts.[0-3|ALL]

read-only, floating point
Current voltage level. (0-10V)

    EDS0082/max_volts.[0-7|ALL] EDS0085/max_volts.[0-3|ALL]

    EDS0082/min_volts.[0-7|ALL] EDS0085/min_volts.[0-3|ALL]

read-only, floating point
Maximum and minimum voltage readings since last alarm/clear command.

THRESHOLD

High and low range of acceptable sensor readings. Values outside this range will trigger an alarm if the corresponding EDS00XX/set_alarm flag is set.

    EDS00XX/threshold/temp_hi EDS00XX/threshold/temp_low

read-write, floating-point
Threshold temperatures in the specified temperature scale. Default Celsius.

    EDS006X/threshold/humidity_hi EDS006X/threshold/humidity_low

    EDS006X/threshold/dew_point_hi EDS006X/threshold/dew_point_low

    EDS006X/threshold/heat_index_hi EDS006X/threshold/heat_index_low

    EDS006X/threshold/humidex_hi tEDS006X/threshold/humidex_low

read-write, floating-point
Threshold humidity values. Dew point and Heat index are in the specified temperature scale. Default Celsius.

    EDS006X/threshold/pressure_hi EDS006X/threshold/pressure_low

    EDS006X/threshold/inHg_hi EDS006X/threshold/inHg_low

read-write, floating-point
Threshold barometric pressure values. Pressure is the specified pressure scale. Default mBar.

    EDS006X/threshold/light_hi EDS006X/threshold/light_low

read-write, unsigned
Threshold light (lux) values.

    EDS0070/threshold/vib_hi EDS0070/threshold/vib_low

read-write, unsigned
Vibration sensor alarm limits in 0-1023 range.

    EDS007X/threshold/resistance_hi EDS007X/threshold/resistance_low

read-write, floating-point
Threshold RTD resistance values (Ohm).

    EDS0080/threshold/current_hi.[0-7|ALL] EDS0080/threshold/current_low.[0-7|ALL]

    EDS0082/threshold/volts_hi.[0-7|ALL] EDS0082/threshold/volts_low.[0-7|ALL]

    EDS0083/threshold/current_hi.[0-3|ALL EDS0083/threshold/current_low.[0-3|ALL]

    EDS0085/threshold/volts_hi.[0-3|ALL] EDS0085/threshold/volts_low.[0-3|ALL|]

read-write, floating-point
Voltage or current threshold limits

SET ALARM

Set conditional alarm to trigger if corresponding flag is set. Also must set high and low threshold.

    EDS00XX/set_alarm/temp_hi EDS00XX/set_alarm/temp_low

    EDS006X/set_alarm/humidity_hi EDS006X/set_alarm/humidity_low

    EDS006X/set_alarm/dew_point_hi EDS006X/set_alarm/dew_point_low

    EDS006X/set_alarm/heat_index_hi EDS006X/set_alarm/heat_index_low

    EDS006X/set_alarm/humidex_hi EDS006X/set_alarm/humidex_low

    EDS006X/set_alarm/pressure_hi EDS006X/set_alarm/pressure_low

    EDS006X/set_alarm/inHg_hi EDS006X/set_alarm/inHg_low

    EDS006X/set_alarm/light_hi EDS006X/set_alarm/light_low

    EDS0070/set_alarm/vib_hi EDS0070/set_alarm/vib_low

    EDS007X/set_alarm/resistance_hi EDS007X/set_alarm/resistance_low

    EDS0080/set_alarm/current_hi.[0-7|ALL|BYTE] EDS0080/set_alarm/current_low.[0-7|ALL|BYTE]

    EDS0082/set_alarm/volts_hi.[0-7|ALL|BYTE] EDS0082/set_alarm/volts_low.[0-7|ALL|BYTE]

    EDS0083/set_alarm/current_hi.[0-3|ALL|BYTE] EDS0083/set_alarm/current_low.[0-3|ALL|BYTE]

    EDS0085/set_alarm/volts_hi.[0-3|ALL|BYTE] EDS0085/set_alarm/volts_low.[0-3|ALL|BYTE]

read-write, yes-no
Flag to set corresponding out-of-range alarm. "1" turns on flag, and "0" turns off.

ALARM

Show or clear the out-of-range flags. When set, the device will respond to a conditional search. Clearing the flags is performed with the EDS00XX/alarm/clear command, not just having the measured value return to the center range.

    EDS00XX/alarm/clear

write-only, yes-no
Write "1" to clear ALL the alarm flags.

    EDS00XX/alarm/temp_hi EDS00XX/alarm/temp_low

    EDS006X/alarm/humidity_hi EDS006X/alarm/humidity_low

    EDS006X/alarm/dew_point_hi EDS006X/alarm/dew_point_low

    EDS006X/alarm/heat_index_hi EDS006X/alarm/heat_index_low

    EDS006X/alarm/humidex_hi EDS006X/alarm/humidex_low

    EDS006X/alarm/pressure_hi EDS006X/alarm/pressure_low

    EDS006X/alarm/inHg_hi EDS006X/alarm/inHg_low

    EDS006X/alarm/light_hi EDS006X/alarm/light_low

    EDS0070/alarm/vib_hi EDS007X/alarm/vib_low

    EDS007X/alarm/resistance_hi EDS007X/alarm/resistance_low

    EDS0080/alarm/current_hi.[0-7|ALL|BYTE] EDS0080/alarm/current_low.[0-7|ALL|BYTE]

    EDS0082/alarm/volts_hi.[0-7|ALL|BYTE] EDS0082/alarm/volts_low.[0-7|ALL|BYTE]

    EDS0083/alarm/current_hi.[0-3|ALL|BYTE] EDS0083/alarm/current_low.[0-3|ALL|BYTE]

    EDS0085/alarm/volts_hi.[0-3|ALL|BYTE] EDS0085/alarm/volts_low.[0-3|ALL|BYTE]

    EDS0090/alarm/hi[0-7|ALL] EDS0090/alarm/low[0-7|ALL]

read-only, yes-no
Show corresponding out-of-range alarm. "1" means in alarm state. Can only be turned off with clear

RELAY

Optionally found on the EDS006X and EDS007X. Can be controlled by software or the alarm condition.

    EDS00XX/relay/control

read-write, unsigned
Set the relay control scheme:
0 alarm control with hysteresis
1 alarm control but need EDS00XX/alarm/clear to unset
2 Control with EDS00XX/relay/state
3 Always off

    EDS00XX/relay/state

read-write, yes-no
Turn the relay on or off if the EDS00XX/relay/control is set to 2

LED light

Found on the EDS006X and EDS007X. Can be controlled by software or the alarm condition.

    EDS00XX/LED/control

read-write, unsigned
Set the LED control scheme:
0 alarm control with hysteresis
1 alarm control but need EDS00XX/alarm/clear to unset
2 Control with EDS00XX/LED/state
3 Always off

    EDS00XX/LED/state

read-write, yes-no
Turn the LED on or off if the EDS00XX/LED/control is set to 2

COUNTER

    EDS00XX/counter/seconds

read-only, unsigned integer
Approximate seconds since power up.

    EDS0090/counter/pulses.0-7 | ALL

read-only, unsigned integer
Pulses on each channel since power up or reset. Channel should be set to input ( EDS0090/output/set.x =0 )

    EDS0090/counter/reset.0-7 | ALL | BYTE

read-write, yes-no
Clear the pulse count on the corresponding channel.

    EDS007X/counter/samples

read-only, unsigned integer
Approximate samples since power up.

MEMORY

    memory

read-write, binary
96 bytes of memory. Not all is writable. Access to EDS00XX functions is better accomplished through the data fields, which expose all the chip features.

    pages/page.0 ... pages/page.2 pages/page.ALL

read-write, binary
Memory is split into 3 pages of 32 bytes each. Only page 2 is writable. ALL is an aggregate of the pages. Each page is accessed sequentially.

    EDS008X/memory

read-write, binary
160 bytes of memory. Not all is writable. Access to EDS008X functions is better accomplished through the data fields, which expose all the chip features. The EDS008X has more memory than the other chips, so a separate entry in the sudbirectory makes it available.

    EDS008X/pages/page.0-4 EDS008X/pages/page.ALL

read-write, binary
Memory is split into 5 pages of 32 bytes each. Only page 5 is writable. The EDS008X has more memory than the other chips, so a separate entry in the sudbirectory makes the extra pages available. ALL is an aggregate of the pages. Each page is accessed sequentially.

SUB-TYPE

    tag

read-only, ascii
Text description of the device. Up to 30 characters.

    device_type

read-only, ascii
Device name. E.g: "EDS0071"

    device_id

read-only, unsigned
Number corresponding to the hexidecimal type. E.g:
EDS0071 -> 0x0071 -> 113 in decimal

STANDARD PROPERTIES

    address

    r_address

read-only, ascii
The entire 64-bit unique ID. Given as upper case hexidecimal digits (0-9A-F).
address starts with the family code
r address is the address in reverse order, which is often used in other applications and labeling.

    crc8

read-only, ascii
The 8-bit error correction portion. Uses cyclic redundancy check. Computed from the preceding 56 bits of the unique ID number. Given as upper case hexidecimal digits (0-9A-F).

    family

read-only, ascii
The 8-bit family code. Unique to each type of device. Given as upper case hexidecimal digits (0-9A-F).

    id

    r_id

read-only, ascii
The 48-bit middle portion of the unique ID number. Does not include the family code or CRC. Given as upper case hexidecimal digits (0-9A-F).
r id is the id in reverse order, which is often used in other applications and labeling.

    locator

    r_locator

read-only, ascii
Uses an extension of the 1-wire design from iButtonLink company that associated 1-wire physical connections with a unique 1-wire code. If the connection is behind a Link Locator the locator will show a unique 8-byte number (16 character hexidecimal) starting with family code FE.
If no Link Locator is between the device and the master, the locator field will be all FF.
r locator is the locator in reverse order.

    present (DEPRECATED)

read-only, yes-no
Is the device currently present on the 1-wire bus?

    type

read-only, ascii
Part name assigned by Dallas Semi. E.g. DS2401 Alternative packaging (iButton vs chip) will not be distiguished.

ALARMS

None.

DESCRIPTION

    1-Wire

1-wire is a wiring protocol and series of devices designed and manufactured by Dallas Semiconductor, Inc. The bus is a low-power low-speed low-connector scheme where the data line can also provide power.

Each device is uniquely and unalterably numbered during manufacture. There are a wide variety of devices, including memory, sensors (humidity, temperature, voltage, contact, current), switches, timers and data loggers. More complex devices (like thermocouple sensors) can be built with these basic devices. There are also 1-wire devices that have encryption included.

The 1-wire scheme uses a single bus master and multiple slaves on the same wire. The bus master initiates all communication. The slaves can be individually discovered and addressed using their unique ID.

Bus masters come in a variety of configurations including serial, parallel, i2c, network or USB adapters.

    OWFS design

OWFS is a suite of programs that designed to make the 1-wire bus and its devices easily accessible. The underlying priciple is to create a virtual filesystem, with the unique ID being the directory, and the individual properties of the device are represented as simple files that can be read and written.

Details of the individual slave or master design are hidden behind a consistent interface. The goal is to provide an easy set of tools for a software designer to create monitoring or control applications. There are some performance enhancements in the implementation, including data caching, parallel access to bus masters, and aggregation of device communication. Still the fundemental goal has been ease of use, flexibility and correctness rather than speed.

    EDS00XX Overview

The EDS00XX sensors are a family of devices from Embedded Data Systems. Although provisional support for several types is included, only early EDS0071 has been tested with OWFS.

The sensors all share the same 7E family code. They have the same first memory page layout with a text tag property that describes them, and a sub-type field giving the particular sensor. The data properties shown in a directory listing will be specific to the sensor sub-type.

    EDS0071

The EDS0071 (3) is a micro-processor based 1-wire slave made by EDS (Embedded Data Systams). Is uses a high accuracy and extended range RTD sensor to accurately measure temperatures.

    Memory

The EDS00XX sensors are read and controlled by accessing parts of their on-chip memory. Although the raw memory contents are exposed in the memory and pages fields, all the available functionality is best accessed by the other fields. In fact, directly changing memory will confuse OWFS.

    Relay and LED

All the EDS00XX sensors have an LED and optional relay. Both can be controlled either directly, or when the sensors reaches an alarm state.

ADDRESSING

All 1-wire devices are factory assigned a unique 64-bit address. This address is of the form:
Family Code
  8 bits
Address
  48 bits
CRC 8 bits
Addressing under OWFS is in hexidecimal, of form:
01.123456789ABC
where 01 is an example 8-bit family code, and 12345678ABC is an example 48 bit address.

The dot is optional, and the CRC code can included. If included, it must be correct.

DATASHEET

EDS0064 EDS0065 EDS0066 EDS0067 EDS0068
  https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B_K3iXLLAI7vN2E4NGUwMGItMzc5MS00NDNmLTljZGYtN2NmM2Q3YWE5NmVh&hl=en
EDS0070
  http://www.embeddeddatasystems.com/assets/images/supportFiles/manuals/EN-UserMan%20%20OW-Vibration%20V01.pdf
EDS0071 EDS0072
  https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B_K3iXLLAI7vMjVhNWQzYzItZTRhMi00NGY2LWI4NTQtYjZlYTgzYzY0NmNm&hl=en
EDS0080 EDS0083
  https://eds.zendesk.com/attachments/token/ulnpj6mvpp6yzwo/?name=EN-USERMAN+OW-IO-AIX-420+v1p0.pdf
EDS0082 EDS0085
  https://eds.zendesk.com/attachments/token/vyai6ylpw6edala/?name=EN-USERMAN+OW-IO-AIX-10V+v1p0.pdf
EDS0090
  8 Discrete I/O

SEE ALSO

    Programs

owfs (1) owhttpd (1) owftpd (1) owserver (1) owdir (1) owread (1) owwrite (1) owpresent (1) owtap (1)

    Configuration and testing

owfs (5) owtap (1) owmon (1)

    Language bindings

owtcl (3) owperl (3) owcapi (3)

    Clocks

DS1427 (3) DS1904(3) DS1994 (3) DS2404 (3) DS2404S (3) DS2415 (3) DS2417 (3)

    ID

DS2401 (3) DS2411 (3) DS1990A (3)

    Memory

DS1982 (3) DS1985 (3) DS1986 (3) DS1991 (3) DS1992 (3) DS1993 (3) DS1995 (3) DS1996 (3) DS2430A (3) DS2431 (3) DS2433 (3) DS2502 (3) DS2506 (3) DS28E04 (3) DS28EC20 (3)

    Switches

DS2405 (3) DS2406 (3) DS2408 (3) DS2409 (3) DS2413 (3) DS28EA00 (3)

    Temperature

DS1822 (3) DS1825 (3) DS1820 (3) DS18B20 (3) DS18S20 (3) DS1920 (3) DS1921 (3) DS1821 (3) DS28EA00 (3) DS28E04 (3) EDS0064 (3) EDS0065 (3) EDS0066 (3) EDS0067 (3) EDS0068 (3) EDS0071 (3) EDS0072 (3) MAX31826 (3)

    Humidity

DS1922 (3) DS2438 (3) EDS0065 (3) EDS0068 (3)

    Voltage

DS2450 (3)

    Resistance

DS2890 (3)

    Multifunction (current, voltage, temperature)

DS2436 (3) DS2437 (3) DS2438 (3) DS2751 (3) DS2755 (3) DS2756 (3) DS2760 (3) DS2770 (3) DS2780 (3) DS2781 (3) DS2788 (3) DS2784 (3)

    Counter

DS2423 (3)

    LCD Screen

LCD (3) DS2408 (3)

    Crypto

DS1977 (3)

    Pressure

DS2406 (3) TAI8570 EDS0066 (3) EDS0068 (3)

    Moisture

EEEF (3) DS2438 (3)

AVAILABILITY

http://www.owfs.org

AUTHOR

Paul Alfille (paul.alfille@gmail.com)
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OWFS Manpage EDS00XX (3) 2003

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