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Модуль расширения CAN (WBE-I-CAN-ISO)/en: различия между версиями
Модуль расширения CAN (WBE-I-CAN-ISO)/en (просмотреть исходный код)
Версия 19:02, 1 июля 2019
, 4 года назадНет описания правки
(Новая страница: «Wiren Board 5: CAN-ISO Extension Module») |
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| (не показана 21 промежуточная версия 4 участников) | |||
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__NOTOC__ | |||
== Hardware == | |||
[[Файл:CAN.png|thumb|300px|CAN extension module]] | |||
The extension module uses MCP2551 physical layer interface. | |||
CAN interface signals are galvanically isolated from the controller. | |||
Can be installed only to MOD2 extension slot. | |||
The module contains a 150 Ohm terminator between the H and l lines. To enable it, you need to close the jumper on the top side of the Board. | |||
== Operation in UART-CAN mode == | |||
The WBE-I-CAN-ISO module operates in UART-CAN mode. The UART-CAN bus (also called sometimes simply CAN or RS-CAN) uses the physical can layer for the half-duplex serial port of the UART. | |||
The UART-CAN bus is mainly used in metering devices such as Mercury energy meters. | |||
In UART-CAN mode, the module can be installed in any expansion slot, so you can install two WBE-I-CAN-ISO modules | |||
== Pinout == | |||
CAN signals are wired to O1-O3 terminal blocks. | |||
Pinouot: | |||
{| class="wikitable" | {| class="wikitable" | ||
! | !Terminal | ||
! | !Function | ||
|- | |- | ||
|O1 | |O1 | ||
| Строка 29: | Строка 42: | ||
== | == Configuration == | ||
[[Файл:Hwconf-can.jpg|thumb|300px|CAN extension module]] | |||
Configuration is set in the web interface: Configs section => Hardware Modules Configuration. | |||
For CAN mode: in Internal slot 2, select "WBE-I-CAN-ISO" and click Save. | |||
For UART-CAN mode: make sure that the corresponding slot (Internal slot 1 or Internal slot 2) is set to "None". | |||
The device is detected immediately, no reboot is required. | |||
== Operation == | |||
In CAN mode, it is defined as can1. About can on Linux, see [[CAN/en| CAN]]. | |||
Module operates in UART-CAN mode identically to the RS-485 extension module, see [[Wiren Board 5: Модуль расширения RS485-ISO/en|description]]. | |||
== | == Compatibility table == | ||
{| class="wikitable" | |||
!Mode | |||
!Controller | |||
!Audit | |||
!MOD1 | |||
!MOD2 | |||
|- | |||
|CAN | |||
|Wiren Board 5 | |||
|5.3, 5.6 | |||
|<nowiki>-</nowiki> | |||
|<nowiki>+</nowiki> | |||
|- | |||
|UART-CAN | |||
|Wiren Board 5 | |||
|5.3, 5.6 | |||
|<nowiki>+</nowiki> | |||
|<nowiki>+</nowiki> | |||
|} | |||