Chúng ta đã nghe và sử dụng nhiều các bộ lặp tín hiệu RS485/RS422 (Repeater RS485/RS422), tuy nhiên trên thị trường hiện nay có rất nhiều các bộ lặp tín hiệu RS485/RS422 công nghiệp của các nhà sản xuất khác nhau. Hôm nay, BKAII sẽ giới thiệu các bạn về các thiết bị đó nhé, sẽ có nhiều mã sản phẩm của nhiều nhà sản xuất cho các bạn lựa chọn. Đây đều là các sản phẩm hiện đang được BKAII phân phối rộng rãi tại thị trường Việt Nam. 

Trước hết, chúng ta sẽ trả lời cho câu hỏi mà khách hàng BKAII hay hỏi chúng tôi: trong môi trường công nghiệp thì khi nào cần sử dụng bộ lặp tín hiệu cho đường truyền RS485/RS422? . Dạ vâng, chúng ta sẽ cần dùng bộ lặp tín hiệu trong các trường hợp sau các bạn nhé:

  • Khi số thiết bị trên đường truyền RS485 của bạn vượt quá 32 thiết bị.
  • Khi đường truyền RS485 của bạn dài quá 1,200m.

Vậy hiện có các sản phẩm công nghiệp nào được bán rộng rãi trên thị trường Việt Nam?

Như các bạn biết, BKAII là nhà nhập khẩu và phân phối thiết bị truyền thông công nghiệp của nhiều hãng tại Việt Nam, chúng tôi cố gắng đem đến nhiều sự lựa chọn cho khách hàng với các phân khúc khác nhau! Hiện nay, dòng sản phẩm lặp tín hiệu - repeater, chúng tôi đang cung cấp các mã sản phẩm sau: ATC-109N (hãng ATC-China), SW485GI (hãng 3Onedata-China), ADAM-4510 hay ADAM-4510S, ADAM-4510I (hãng Advantech-Taiwan), TCC-120 hay TCC-120I (hãng Moxa - Taiwan)

Thông tin chi tiết về từng sản phẩm (bao gồm catalog, datasheet và usermanual) các bạn có thể xem tại đây:

Ảnh sản phẩm, các bạn có thể xem như hình dưới:

Để biết thêm chi tiết về từng sản phẩm, đừng ngần ngại liên hệ ngay BKAII nhé! Chúng tôi sẽ giải đáp mọi thắc mắc của các bạn về sản phẩm và các vấn đề liên quan đến sản phẩm!

Xem thêm:

"BKAII - Thiết bị truyền thông TỐT nhất với giá CẠNH TRANH nhất!"

 

Bài viết mới cập nhật...

 
 

Số lượng người đang truy cập...

Không thể hiển thị dữ liệu người dùng trực tuyến vào lúc này.

 
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  • SELECT `m`.`tag_id`,`t`.* FROM `idc_contentitem_tag_map` AS `m` INNER JOIN `idc_tags` AS `t` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :contentType AND `m`.`content_item_id` = :id AND `t`.`published` = 1 AND `t`.`access` IN (:preparedArray1,:preparedArray2)210μs7.72KBParams/libraries/src/Helper/TagsHelper.php:388Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `idc_categories` AS `s` INNER JOIN `idc_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`325μs5.17KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required, a.only_use_in_subform,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note FROM idc_fields AS a LEFT JOIN `idc_languages` AS l ON l.lang_code = a.language LEFT JOIN idc_users AS uc ON uc.id=a.checked_out LEFT JOIN idc_viewlevels AS ag ON ag.id = a.access LEFT JOIN idc_users AS ua ON ua.id = a.created_user_id LEFT JOIN idc_fields_groups AS g ON g.id = a.group_id LEFT JOIN `idc_fields_categories` AS fc ON fc.field_id = a.id WHERE ( (`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2,:preparedArray3)) AND `a`.`access` IN (:preparedArray4,:preparedArray5)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray6,:preparedArray7)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform ORDER BY a.ordering ASC831μs6.06KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `a`.`id`,`a`.`title`,`a`.`catid`,`a`.`language`, CASE WHEN CHAR_LENGTH(`a`.`alias`) != 0 THEN CONCAT_WS(':', `a`.`id`, `a`.`alias`) ELSE a.id END AS `slug`, CASE WHEN CHAR_LENGTH(`cc`.`alias`) != 0 THEN CONCAT_WS(':', `cc`.`id`, `cc`.`alias`) ELSE cc.id END AS `catslug` FROM `idc_content` AS `a` LEFT JOIN `idc_categories` AS `cc` ON `cc`.`id` = `a`.`catid` WHERE `a`.`catid` = :catid AND `a`.`state` = :state AND `a`.`access` IN (:preparedArray1,:preparedArray2) AND (`publish_up` IS NULL OR `publish_up` <= :nowDate1) AND (`publish_down` IS NULL OR `publish_down` >= :nowDate2) ORDER BY CASE WHEN `a`.`publish_up` IS NULL THEN `a`.`created` ELSE `a`.`publish_up` END DESC7.11ms246.03KBParams/plugins/content/pagenavigation/src/Extension/PageNavigation.php:188Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `idc_categories` AS `s` INNER JOIN `idc_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`453μs5.17KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `m`.`id`,`m`.`title`,`m`.`module`,`m`.`position`,`m`.`content`,`m`.`showtitle`,`m`.`params`,`mm`.`menuid` FROM `idc_modules` AS `m` LEFT JOIN `idc_modules_menu` AS `mm` ON `mm`.`moduleid` = `m`.`id` LEFT JOIN `idc_extensions` AS `e` ON `e`.`element` = `m`.`module` AND `e`.`client_id` = `m`.`client_id` WHERE ( ( (`m`.`published` = 1 AND `e`.`enabled` = 1 AND `m`.`client_id` = :clientId AND `m`.`access` IN (:preparedArray1,:preparedArray2)) AND (`m`.`publish_up` IS NULL OR `m`.`publish_up` <= :publishUp)) AND (`m`.`publish_down` IS NULL OR `m`.`publish_down` >= :publishDown)) AND (`mm`.`menuid` = :itemId OR `mm`.`menuid` <= 0) ORDER BY `m`.`position`,`m`.`ordering`2.18ms1.36MBParams/libraries/src/Cache/Controller/CallbackController.php:51Copy
  • SELECT `a`.`id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,CASE WHEN `a`.`publish_up` IS NULL THEN `a`.`created` ELSE `a`.`publish_up` END AS `publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`metadata`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`featured`,`a`.`language`,LENGTH(`a`.`fulltext`) AS `readmore`,`a`.`ordering`,`fp`.`featured_up`,`fp`.`featured_down`,CASE WHEN `c`.`published` = 2 AND `a`.`state` > 0 THEN 2 WHEN `c`.`published` != 1 THEN 0 ELSE `a`.`state` END AS `state`,`c`.`title` AS `category_title`,`c`.`path` AS `category_route`,`c`.`access` AS `category_access`,`c`.`alias` AS `category_alias`,`c`.`language` AS `category_language`,`c`.`published`,`c`.`published` AS `parents_published`,`c`.`lft`,CASE WHEN `a`.`created_by_alias` > ' ' THEN `a`.`created_by_alias` ELSE `ua`.`name` END AS `author`,`ua`.`email` AS `author_email`,`uam`.`name` AS `modified_by_name`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,COALESCE(NULLIF(ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1), 0), 0) AS `rating`,COALESCE(NULLIF(`v`.`rating_count`, 0), 0) AS `rating_count` FROM `idc_content` AS `a` LEFT JOIN `idc_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `idc_users` AS `ua` ON `ua`.`id` = `a`.`created_by` LEFT JOIN `idc_users` AS `uam` ON `uam`.`id` = `a`.`modified_by` LEFT JOIN `idc_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `idc_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `idc_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE `a`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`access` IN (:preparedArray3,:preparedArray4) AND `c`.`published` = 1 AND `a`.`state` = :condition AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) ORDER BY a.created DESC LIMIT 1575.69ms249.09KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `idc_categories` AS `s` INNER JOIN `idc_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`327μs5.17KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT * FROM idc_hikashop_config326μs152.94KB/administrator/components/com_hikashop/classes/config.php:16Copy
  • SET sql_mode=(SELECT REPLACE(REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''), 'STRICT_TRANS_TABLES', ''));43μs0B/administrator/components/com_hikashop/helpers/helper.php:3422Copy
  • SELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug` FROM `idc_categories` AS `s` INNER JOIN `idc_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`346μs5.14KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `name`,`element` FROM `idc_extensions` WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1281μs928B/administrator/components/com_finder/src/Helper/LanguageHelper.php:135Copy
  • SELECT `title` FROM `idc_finder_taxonomy` WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)142μs968B/administrator/components/com_finder/src/Indexer/Taxonomy.php:314Copy
  • SELECT SUM(CASE WHEN `a`.`next_execution` <= :now THEN 1 ELSE 0 END) AS due_count,SUM(CASE WHEN `a`.`locked` IS NULL THEN 0 ELSE 1 END) AS locked_count FROM `idc_scheduler_tasks` AS `a` WHERE `a`.`state` = 1177μs1.68KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:517Copy
  • SELECT `alias` FROM `idc_content` WHERE `id` = :id107μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `alias` FROM `idc_content` WHERE `id` = :id80μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `alias` FROM `idc_content` WHERE `id` = :id79μs12.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `alias` FROM `idc_content` WHERE `id` = :id75μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `session_id` FROM `idc_session` WHERE `session_id` = ?100μs1.61KBParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:291Copy
  • INSERT INTO `idc_session` (`data`,`time`,`session_id`) VALUES (?, ?, ?)233μs864BParams/libraries/vendor/joomla/session/src/Handler/DatabaseHandler.php:318Copy