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--- en:automation:02-glossary:digital-inputs-hidden [2020/03/10 09:03]
jan_kozak
+++ en:automation:02-glossary:digital-inputs-hidden [2021/06/09 08:51] (current)
avsetula
@@ Line 5: / Line 5: @@
 The DIs on the Unipi units are galvanically isolated, which means it is safer to use them in an environment affected by electromagnetic interference.
-=====Digital inputs on the Unipi 1.1=====
+----
-The following picture depicts a connection of an external device to an Unipi 1.1 controller using an integrated 12V power source.
-{{:en:automation:02-glossary:unipi_contact.png?150|}}
+<html><span class="kbBlueText">More information about digital inputs can be found in specific categories:</span></html>\\
+<tile>
+| en:hw:007-patron:description-of-io:01-description-of-di     | Patron             | :en:hw:unipi-kb-icon-patron.png     |
+| en:hw:01-axon:description-of-io:01-description-of-di        | Axon               | :en:hw:unipi-kb-icon-axon.png       |
+| en:hw:02-neuron:description-of-io:01-description-of-di      | Neuron             | :en:hw:unipi-kb-icon-neuron.png     |
+| en:hw:03-unipi11:description-of-io:01-description-of-di     | 1.1 & 1.1 Lite     | :en:hw:unipi-kb-icon-1.png          |
+| en:hw:04-extensions:description-of-io:01-description-of-di  | Extension modules  | :en:hw:unipi-kb-icon-extension.png  |
+</tile>
+/*
+===== Digital inputs on Unipi Neuron, Unipi Axon and Unipi Extension =====
+By default, all Unipi Neuron and Unipi Axon controllers, as well as Unipi Extension modules, feature digital inputs with counter functionality able to detect pulses of up to 10 kHz frequency and only tens or hundreds of microseconds long. When the maximum value of a counter (4 294 967 295) is exceeded, its value is reset.
+Counter inputs on Neuron PLCs will reset if the device’s power is disconnected. On Axon controllers and newer Extension xS11 and xS51 modules, the counter values are stored in memory and loaded during the next device startup. This feature prevents any loss of data due to loss of power.
+===== Digital inputs on the Unipi 1.1 =====
+{{ :en:automation:02-glossary:unipi_contact.png|}}
+The following picture depicts a connection of an external device to an Unipi 1.1 controller using an integrated 12V power source.
 For preserving the galvanic isolation of both the connected device and Unipi's internal circuits we recommend using a 5-24V DC external power source connected according to a picture below.
-{{:en:automation:02-glossary:unipi_contact_extvolt.png?150|}}
+{{ :files:img_breakline.png?nolink |}}
+{{ :en:automation:02-glossary:unipi_contact_extvolt.png|}}
 Before connecting the power source, make sure JP2-JP5 jumpers are set correctly according to the Unipi 1.1 documentation. Bear in mind the negative pole must be connected to the corresponding P0x terminal on the power source.
+{{ :files:img_breakline.png?nolink |}}
 ====Using DI13 and DI14 on the Unipi 1.1====
@@ Line 24: / Line 45: @@
 {{:en:automation:02-glossary:unipi_11vyrez.jpg?400|}}
-It is possible to use any of the unused GPIOs and wire them to the pins mentioned above. After the connection of those pins, edit the //evok.conf// file to enable them.
+It is possible to use any of the unused GPIOs and wire them to the pins mentioned above. After the connection of those pins, edit the // **evok.conf** //  file to enable them.
 | **RPi connector pin** | **RPi function** | **Unipi P5 pin** | **Unipi function** |
@@ Line 38: / Line 59: @@
 GND connectors are not required. The 3V3 connector is required only if the second I2C bus connector is used
 </WRAP>
+*/