FHEM reference. Contents. Introduction. FHEM is mainly used for home automation, but it is suitable for other tasks. It supports different hardware devices to interface with certain protocols. FHZ1. 00. 0PC to interface FS2. HMS, CM1. 1 to access X1. FS2. 0 or FHT to digest the messages for a certain device type using. FHEM is modular. The different devices are represented through modules which.

Even seemingly integral. FHEM like triggers (notify) and timers (at) are implemented this way, giving the possibility to. FHEM is controlled through readable / ascii commands, which are specified in. Example. telnet < fhemhost> 7. NL> (This newline switches into . FHEM command types. There are three types of commands: .

To place an order, please E-mail or Call the above address and we will inform you as to the price & availability of the CD'S your interested in. If method is none, then that's all there is. If method is const or linear, the time-weighted series of values is taken into account instead. Download the free trial version below to get started. Double-click the downloaded file to install the software.

See the section Perl special for a description. In order to use semicolon. See the Notes section of the notify. E. g. The commands are either executed directly, or. FHEM commands. A line ending with \ will be concatenated with the next one, so long lines. Some web fronteds.

A device specification (short devspec) can be. This is the most common case. NAME=VALUE pair, where NAME can be an internal value like TYPE, a. Reading- Name or an attribute. VALUE is a regexp. To negate the. comparison, use NAME!=VALUE.

To restrict the search, use i: as prefix. See the. example below. FILTER=NAME=VALUE, then the.

These can be set by means of the attr command, displayed with the displayattr command, and deleted by the deleteattr command. See the documentation of the attr command for examples. Use the attr global userattr. The value of this attribute. The first part specifies the . If the first character is slash(/) or comma(,). Currently the following values.

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Group devices. Recognized by web- pgm. FHEMWEB), it makes. A device can appear in more than one group, in this. If this attribute is not set then the device type is used as the. Recognized by web- pgm. The value is a regular expression. Only necessary in exceptional cases.

Possible values. 0 - server start/stop. Check the module's. If not set, its value is taken from the state reading. Universal Viewer 6 5 3 2 Portable Burners.

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If the value of. this attribute is enclused in . This attribute is. The . You may use regular. If set, only updates of the listed readings. You may use regular.

If set, only changes of the listed readings. In other words, if a reading listed here is updated with the.

If an optional . You may use regular. If set, the timestamps of the listed readings will. You may use regular expressions for reading. If set, updates for the. After the black- out period has expired, the reading is. Time and function none)integralthe arithmetic sum (if not time- weighted) or integral area (if time- weighted) of all valuesnnumber of samplesttimestamp of the last valuet. If method is none, then that's all there is.

If method. is const or linear, the time- weighted series of values is taken into. The weight is the timespan between two subsequent updates. The constant. method is for discrete quantities that stay constant until the corresponding reading is updated.

With hold. Time. defined the interval can be kept undefined so that the readings update rate is unchanged. Time for downsampling as described above. Note that the historic samples are not persistent. FHEM. Besides which, any update of a reading that occurs within a timespan from the preceding.

FHEM's time granularity is ditched. Events will only be. Interval seconds elapsed since the last reading.

If event- on- change- reading is also specified, they are. OR: if one of them is true, the event is generated. Each. definition has the form.

If. < trigger> is given, then all processing for this specific user. Granularity. of time is one second. No value is calculated if the time past is. The result is incremented. The user reading is set earliest at the. Beware of stale values when changing.

Readings consists of alphanumeric characters. An example for the physical device is an FHZ. CUL. Note: Upon startup FHEM assigns each logical device. FS2. 0/HMS/KS3. 00/etc) the last physical device which can receive data. The attribute IODev needs to be used only if. Special: attribute disable can be toggled. Attribute . You need devices if you want to manipulate them (e.

After definition, the global event . Used by fhem. cfg. RSS example requires the. FHEM might crash if you delete vital readings of a device. In general, you. can get a list of possible parameters by. See the Device specification section for details on.

Each device has different get parameters, see the corresponding device. Read in the file, and process every line as a FHEM command. This command can be used by other programs/modules to receive a. The option timer prepends a timerstamp to the line. Note: this command is. File. Log entries.

This is one of the few commands which return a string in a. Useful for changing some at or notify definitions. In. case of a notify type definition, only the regex part will be changed. It is a convenient way to. The global event RENAMED will be generated, see the notify.

If a parameter is specified. Notes. save only writes out definitions and attributes, but no (set/get). If you need such. You can. get a list of possible parameters by.

See the Device specification section for details on. The set command returns only a value on error. Each device has different set parameters, see the corresponding device.

From featurelevel 5. If < n> is missing, then rounds it to. The suffix : t returns the timestamp (works only for readings)The suffix : sec returns the number of seconds since the reading was. If the module itself implements one of. For issuing the off command an internal timer will be. To delete this internal.

Issue the on command for the device, and create an at definition with. HH: MM. This definition. Name+. To cancel the scheduled. Note: on- till is not active, if the.

Light at *0. 6: 0. Lamp on- till . The intervals are space separated.

Each device defined from now on will receive. If no attrname is specified, then the default attribute. See the set. command documentation for replacement description. It triggers the global: SHUTDOWN event. The unit is seconds, with millisecond accuracy, as you can. A sleep with an < id> will replace a sleep with the same < id>.

It will be. automatically defined, it cannot be deleted or renamed and has no set or get. Define. Set Get. Attributesarchivedirarchivecmdnrarchivearchivesortarchivesort may be set to the (default) alphanum or timestamp, and. This is used by the.

FHEM device upon. Default is 1 (true), you. Otherwise, if this. Useful on limited hardware. If save is called without argument, then the output will. If set to modular, there is only a short description.

FHEM. dynamically. If some of the modules or. Http. Utils. If this attribute is not set, the blocking. OS implementation (inet. Just apply the. archivecmd / archivedir / nrarchive attributes to the.

File. Log device. You can access the current name of the logfile with. The path. does not contain the directory FHEM. Upon setting the. NN. If the first device of type < NAME> is defined, the. NAME>. Exception to this rule are. NN=9. 9, these are considered to be utility modules.

Displayed on the homescreen of the FHEMWEB package. Needed on. some Fritzbox installations, and it will be set automatically for.

Windows. The. server runs as a daemon, and some distributions would like to check by. The file will be deleted upon.

If it is not specified, then. Without specifying them you will not be. Default is 0. 5 seconds. If the name of an internal. The current default TLSv. SSLv. 3 is thought.

SSLv. 23: ! SSLv. SSLv. 2, but it. causes problems with some not updated web services. List name returns . Use the delay argument to define the delay between polls. Examples. define AUSSEN. POOL. TEMP. vorlauf ALL4.

T 1. 92. 1. 68. 6. ALL4. 02. 7. Note: this module needs the HTTP: :Request and LWP: :User. Agent perl modules.

The status of the device is also pooled (delay interval), because someone else is able to change the state via the webinterface of the device. Examples. define lamp. ALL4. 02. 7 1. 92.