en:navody
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
en:navody [2019/01/27 08:51] – fluktuacia | en:navody [2019/01/31 14:10] – [Measuring arrangement] fluktuacia | ||
---|---|---|---|
Line 1: | Line 1: | ||
- | FIXME **This page is not fully translated, yet. Please help completing the translation.**\\ //(remove this paragraph once the translation is finished)// | ||
- | |||
====== General hints concerning modules ====== | ====== General hints concerning modules ====== | ||
- | This pages sums up the possibilities and means of MLAB modules use. The individual paragraphs contain various different applications and special cases. | + | This page sums up the possibilities and means of MLAB modules' |
- | Beginners can make us of [[en: | + | Beginners can make us of [[en: |
===== Obtaining a module ===== | ===== Obtaining a module ===== | ||
- | In order to begin a construction, | + | In order to begin a construction, |
===== Tools ===== | ===== Tools ===== | ||
Line 15: | Line 13: | ||
==== Mechanical tools ==== | ==== Mechanical tools ==== | ||
- | Work with MLAB modules requires only basic mechanical tools: a hexagonal socket wrench | + | Work with MLAB modules requires only basic mechanical tools: a hexagonal socket wrench 5.5 mm with knurled edge for tightening using a hand, a hex key (in case of older models a cross screwdriver) and a lot of M3 nuts. |
{{: | {{: | ||
Line 24: | Line 22: | ||
=== Multimeter === | === Multimeter === | ||
- | Multimeter of almost any type is sufficient, we recommend a digital one. | + | Multimeter of almost any type is sufficient, |
{{: | {{: | ||
Line 32: | Line 30: | ||
=== Oscilloscope === | === Oscilloscope === | ||
- | An oscilloscope is very useful tool when tuning any signal system. We use a following Rigol DS1052E, which, in its basic version, is 50MHz, but a firmware change can update it to 100MHz. | + | An oscilloscope is a very useful tool when tuning any signal system. We use a following Rigol DS1052E, which, in its basic version, is 50MHz, but a firmware change can update it to 100MHz. |
{{: | {{: | ||
Line 51: | Line 49: | ||
When buying a transformer soldering iron, make sure you are buying the one with a horizontal soldering tip, as shown on the picture. Transformer soldering irons with vertical tips are more suitable for sheet soldering or welding / cutting of plastics. | When buying a transformer soldering iron, make sure you are buying the one with a horizontal soldering tip, as shown on the picture. Transformer soldering irons with vertical tips are more suitable for sheet soldering or welding / cutting of plastics. | ||
- | **All types of soldering irons require a tube tin and a flux, otherwise they will not work properly.** For more information see chapter flux at [[http:// | + | **All types of soldering irons require a tube tin and a flux, otherwise they will not work properly.** For more information see chapter |
=== An aid for smoke extraction === | === An aid for smoke extraction === | ||
- | During any soldering, the evaporated flux creates a very unpleasant smoke that irritates the respiratory tract. One of the solutions is to build a simple aid from an older PC ventilator. Connect it to an adjustable power supply and set it on a table in a way that it would blow the some away from the soldering workplace. In order to reduce a noice, the ventilator can be put onto a piece of rubber, for example from an old inner tube of a bike. | + | During any soldering, the evaporated flux creates a very unpleasant smoke that irritates the respiratory tract. One of the solutions is to build a simple aid from an older PC ventilator. Connect it to an adjustable power supply and set it on a table in a way that it would blow the smoke away from the soldering workplace. In order to reduce a noise, the ventilator can be put onto a piece of rubber, for example from an old inner tube of a bike. |
==== Using the tools ==== | ==== Using the tools ==== | ||
Line 62: | Line 60: | ||
=== Connecting the oscilloscope probe === | === Connecting the oscilloscope probe === | ||
- | An oscilloscope’s probe ground can be easily connected to a MLAB kit thanks to the base [[en: | + | An oscilloscope’s probe ground can be easily connected to an MLAB kit thanks to the base [[en: |
The signal probe input can be connected to MLAB in a following way: the connecting cable is cut to half, part of the cable is stripped of an insulation and a crimp pin connector is crimped onto the cable. Now the cable, via the crimp pin connector, can be easily attached to the probe’s hook and its second end with the original PC terminal, can be connected to the pinch outlets of all modules. | The signal probe input can be connected to MLAB in a following way: the connecting cable is cut to half, part of the cable is stripped of an insulation and a crimp pin connector is crimped onto the cable. Now the cable, via the crimp pin connector, can be easily attached to the probe’s hook and its second end with the original PC terminal, can be connected to the pinch outlets of all modules. | ||
Line 72: | Line 70: | ||
==== Power supply ==== | ==== Power supply ==== | ||
- | Powering | + | Power provided |
=== Power supply up to +5V === | === Power supply up to +5V === | ||
Line 82: | Line 80: | ||
== 3.3V == | == 3.3V == | ||
- | Power voltage | + | Power voltage |
=== Voltage higher than +5V === | === Voltage higher than +5V === | ||
- | This category usually involves 7.2 (2x Li-ion cell) or +12V (lead-acid battery or other power supplies). For safety reasons it is therefore led via a yellow (+) and black (-) cable, following | + | This category usually involves 7.2 (2x Li-ion cell) or +12V (lead-acid battery or other power supplies). For safety reasons it is therefore led via a yellow (+) and black (-) cable, following |
{{: | {{: | ||
Line 92: | Line 90: | ||
=== Symmetrical power supply === | === Symmetrical power supply === | ||
- | This kind of power supply, conventionally +12V and -12V, is used in analogue constructions, | + | This kind of power supply, conventionally +12V and -12V, is used in analogue constructions, |
{{: | {{: | ||
Line 102: | Line 100: | ||
=== Very high voltage power supply === | === Very high voltage power supply === | ||
- | It includes power voltage in range of hundreds volts to ones of kV. Such powering is used for certain special detectors or gas discharge lamps, LASERs, etc. It is distributed via a coaxial cable with SHV or MHV connectors. | + | It includes power voltage in range of hundreds |
==== High-frequency signals ==== | ==== High-frequency signals ==== | ||
=== Asymmetrical signals === | === Asymmetrical signals === | ||
- | Analogue VF signals are distributed in MLAB via a classic VF Pigtail usually made form coax RG-174 with both ends having a screw-type SMA (Male) connector. | + | Analogue VF signals are distributed in MLAB via a classic VF Pigtail usually made from coax RG-174 with both ends having a screw-type SMA (Male) connector. |
{{: | {{: | ||
Line 125: | Line 123: | ||
==== Digital buses ==== | ==== Digital buses ==== | ||
- | Digital buses, such as I2C, TWI or 1-wire are distributed between the modules via standard cables, usually only adjusted so that one plastic ending contains all the bus’s wires, | + | Digital buses, such as I2C, TWI or 1-wire are distributed between the modules via standard cables, usually only adjusted so that one plastic ending contains all the bus’s wires, |
===== Maintenance and cleaning ===== | ===== Maintenance and cleaning ===== | ||
Line 131: | Line 129: | ||
==== Interconnecting cables ==== | ==== Interconnecting cables ==== | ||
- | Due to a gradual wear by a mechanical switching, the interconnecting cables’ connectors loose their conductivity. It last several hundreds of connections and re-connections until the phenomenon occurs, but it might be speeded up by careless transport of already connected constructions, | + | Due to a gradual wear by a mechanical switching, the interconnecting cables’ connectors loose their conductivity. It lasts several hundreds of connections and re-connections until the phenomenon occurs, but it might be speeded up by a careless transport of already connected constructions, |
- | The above-mentioned state can be repaired by | + | The above-mentioned state can be repaired by napružení kontaktu konektoru |
- | + | ||
- | U propojovacích kablíků se v důsledku jejich postupného opotřebení mechanickým přepojováním snižuje vodivost jejich konektorů. Trvá řádově několik stovek zapojení, než se tento jev projeví, ale může být urychlen například neopatrnou přepravou zapojených konstrukcí, | + | |
- | + | ||
- | Tento stav lze napravit opětovným napružením kontaktu konektoru šroubovákem, nebo jiným podobným nástrojem. To se provádí zvenku u zámku konektoru. tlakem na pružinku proti stolu. | + | |
==== Modules ==== | ==== Modules ==== | ||
- | Most of the modules | + | Most of the modules |
<WRAP info> It is not possible to use electrostatic duster for a dust removal as it might cause a destruction of certain electronic circuits in modules </ | <WRAP info> It is not possible to use electrostatic duster for a dust removal as it might cause a destruction of certain electronic circuits in modules </ | ||
Line 169: | Line 162: | ||
=== Screw terminal === | === Screw terminal === | ||
- | There are two widespread | + | There are two widespread |
The first type is more common mostly due to its low price. However, thanks to using a sheet metal washer under screws, it is not possible to fasten a naked wire of small diameter well into this type of screw terminal. Furthermore, | The first type is more common mostly due to its low price. However, thanks to using a sheet metal washer under screws, it is not possible to fasten a naked wire of small diameter well into this type of screw terminal. Furthermore, | ||
Line 181: | Line 174: | ||
=== Spring terminal block === | === Spring terminal block === | ||
- | Spring terminal block are an excellent modern substitute for screw terminals, which are slowly becoming technically obsolete. Their disadvantage, | + | Spring terminal block are an excellent modern substitute for screw terminals, which are slowly becoming technically obsolete. Their disadvantage, |
One of the commonly used spring terminal block is WAGO256. | One of the commonly used spring terminal block is WAGO256. | ||
Line 191: | Line 184: | ||
==== High-frequency signals ==== | ==== High-frequency signals ==== | ||
- | High-frequency signals are led to external devices in the same way as they are between modules - via coaxial | + | High-frequency signals are led to external devices in the same way as they are between modules - via coaxial |
In order to connect distant devices, such as receiving antenna, F-connector is a good choice, mainly thanks to its easy assembly and disassembly, | In order to connect distant devices, such as receiving antenna, F-connector is a good choice, mainly thanks to its easy assembly and disassembly, | ||
Line 198: | Line 192: | ||
=== USB === | === USB === | ||
- | The most widely | + | The most widely |
{{: | {{: | ||
- | Using an USB connector on a module requires placing a current fuse into the charing from USB (usually 750mA PTC). Otherwise a short circuit can cause a fall of HOST system and thus a data loss (of a tuned program). | + | Using a USB connector on a module requires placing a current fuse into the charing from USB (usually 750mA PTC). Otherwise a short circuit can cause a fall of HOST system and thus a data loss (of a tuned program). |
=== RS-232 === | === RS-232 === | ||
Line 210: | Line 204: | ||
=== RS-485 === | === RS-485 === | ||
- | + | In industry, this bus is used with terminal blocks. Therefore it is practical to use e.g. [[en: | |
- | V průmyslu se se na tuto sběrnici používají svorkovnice. Vhodné tak je použít například modul [[cs: | + | |
=== CAN === | === CAN === | ||
- | Pro rozvod sběrnice | + | To distribute |
- | ===== Testovací konstrukce ===== | + | |
- | ==== Standardní uspořádání | + | ===== Test constructions ===== |
- | Testovací konstrukce se skládají na některou ze [[cs: | + | ==== Standard arrangement ==== |
- | {{:mlab_plc_board.jpeg? | + | Test constructions consist of one of the [[en:base1621|base boards]]. |
+ | {{: | ||
- | ==== Měřící uspořádání ==== | ||
- | Tento způsob montáže kdy se na uchycení rohových šroubů modulů využijí | + | ==== Measuring arrangement ==== |
+ | |||
+ | The following way of assembly, when we use úhelníky | ||
{{: | {{: | ||
- | ==== Přímé skládání | + | ==== Direct mounting |
- | Moduly lze také šroubovat přímo k sobě což je výhodné zejména pro nenáročné konstrukce z několika modulů podobné velikosti. | + | |
+ | Modules can also be screw directly to each other, a feature advantageous mainly for undemanding constructions made of several modules of similar size. | ||
{{: | {{: | ||
- | ==== Věžové uspořádání ==== | ||
- | Kovové MLAB desky lze pomocí závitových tyčí skládat i na sebe, což šetří místo na pracovním stole a umožňuje tvorbu komplikovanějších a rozsáhlejších systémů.. | + | ==== Tower arrangement ==== |
- | {{: | + | Metal MLAB mounts can be stack on onto another using threaded rods. Such arrangement saves space and enables a construction of a more complicated and extensive systems. |
+ | {{: | ||
- | Použité závitové tyče jsou M5 a každá deska je na tyči uchycena maticí ze shora i zespoda. Mezi deskou | + | The threaded rods used in the example are of M5 type and each board is fastened by a nut from above and below. There are washer between the board and the nuts. There is a spring washer used with one of the nuts. Cutting length (?? Řezná délka) in case of two boards above each other is 12 cm. This length was chosen because 1m threaded rod can be divided into 8 columns and there are 4cm left for cutout |
- | ===== Permanentní zařízení | + | ===== Permanent installations |
- | Permanentní, | + | We can easily construct permanent or semi-permanent installations from the kit by screwing the tuned constructions with the base board to the bottom of the junction box. In order to increase the resistance against vibrations we can glue the přívody k hřebíkům (??) with a hot-melt adhesive and tie the cables to the base with a cable tie. Such construction is relatively cheap and, at the same time, robust and adjustable if necessary. |
- | ==== Samostatná konstrukce | + | ==== Stand-alone construction |
- | Modulovou konstrukci můžeme snadno umístit do kovové krabice | + | We can easily fit the module construction in the [[en: |
{{: | {{: | ||
- | ==== Instalace do rozvaděče | + | ==== Installation into the distribution board ==== |
- | Moduly je též možné podobným způsobem instalovat do nízkonapěťových částí elektrických rozvaděčů. V dobrém elektru lze sehnat plastové svorky použitelné k uchycení na DIN lištu. | + | In a similar manner, modules can be installed in the low-voltage parts of distribution boards. You can use plastic clips (??) (available at good electro shops) to attach them onto a DIN panel. |
- | {{: | + | {{: |
- | ==== Instalace do elektroinstalační krabice | + | ==== Installation into the electrical box ==== |
- | Elektroinstalační krabici lze využít podobným způsobem, jako rozvaděč ovšem s výhodou, že v krabici obvykle není problém s uchycením | + | Electrical box can be used in a similar way as a distribution board with one exception - there is usually not any problem with attaching the [[en:base1621|base board]]. |
- | {{: | + | {{: |
- | ===== Vzorové konstrukce | + | ===== Sample construction |
- | * [[http:// | + | * [[http:// |
- | * [[http:// | + | * [[http:// |
- | * [[cs: | + | * [[en: |
- | * [[cs: | + | * [[en: |
en/navody.txt · Last modified: 2023/01/15 12:59 by 94.112.192.193 · Currently locked by: 3.15.237.255