{"id":11169,"date":"2026-09-14T23:14:10","date_gmt":"2026-09-15T06:14:10","guid":{"rendered":"https:\/\/sunflaser.com\/?p=11169"},"modified":"2026-09-14T23:14:11","modified_gmt":"2026-09-15T06:14:11","slug":"sfx50a-vs-sfx50b-selection-guide-for-same-range-miniature-laser-ranging-modules","status":"publish","type":"post","link":"https:\/\/sunflaser.com\/fr\/sfx50a-vs-sfx50b-selection-guide-for-same-range-miniature-laser-ranging-modules\/","title":{"rendered":"SFX50A vs SFX50B : Guide de s\u00e9lection des modules de t\u00e9l\u00e9m\u00e9trie laser miniatures de m\u00eame port\u00e9e"},"content":{"rendered":"

Pour commencer,<\/strong> Parmi les modules de t\u00e9l\u00e9m\u00e9trie laser miniatures \u00e0 impulsions TOF de 905 nm de la s\u00e9rie SunFlaser SFX, les mod\u00e8les SFX50A et SFX50B sont tous deux des produits \u00e0 courte port\u00e9e, d'une port\u00e9e de l'ordre de 50 m. Ils utilisent tous deux le principe de t\u00e9l\u00e9m\u00e9trie DTOF et se caract\u00e9risent par leur petite taille et leur grande fiabilit\u00e9. Cependant,<\/strong> Ces deux produits se distinguent par leur conception en termes de syst\u00e8me d'alimentation, de forme structurelle et de configuration fonctionnelle, r\u00e9pondant ainsi aux besoins d'int\u00e9gration dans diff\u00e9rents domaines. Par cons\u00e9quent,<\/strong> Cet article les compare sous trois angles \u2013 les param\u00e8tres essentiels, les caract\u00e9ristiques fonctionnelles et les cas d'utilisation \u2013 afin de faciliter le choix.<\/p>\n\n\n\n

\n\n\n\n

I. Principales diff\u00e9rences de positionnement<\/strong><\/p>\n\n\n\n

Avant toute chose,<\/strong> Ces deux produits ont des principes de conception diff\u00e9rents et r\u00e9pondent \u00e0 des sc\u00e9narios d'int\u00e9gration totalement distincts. En d'autres termes,<\/strong> Il n'y a pas de distinction entre performances sup\u00e9rieures ou inf\u00e9rieures ; elles s'adaptent simplement \u00e0 des contraintes techniques diff\u00e9rentes.<\/p>\n\n\n\n

SFX50A :<\/strong> Syst\u00e8me de positionnement ultra-miniature \u00e0 faible consommation, destin\u00e9 aux applications embarqu\u00e9es et aux petits appareils mobiles. Plus pr\u00e9cis\u00e9ment,<\/strong> Il r\u00e9duit au maximum le volume et la consommation d'\u00e9nergie, ce qui le rend adapt\u00e9 aux terminaux soumis \u00e0 des contraintes tr\u00e8s strictes en mati\u00e8re d'espace et d'alimentation \u00e9lectrique.<\/p>\n\n\n\n

SFX50B :<\/strong> Syst\u00e8me de positionnement \u00e0 large plage de tension de qualit\u00e9 industrielle, destin\u00e9 \u00e0 la surveillance de sites industriels et \u00e0 des applications impliquant des appareils mobiles de taille moyenne. De plus,<\/strong> Il am\u00e9liore la capacit\u00e9 d'adaptation \u00e0 l'environnement et facilite l'installation et la mise en service, tout en se conformant aux normes techniques et aux exigences de c\u00e2blage propres aux environnements industriels.<\/p>\n\n\n\n

\n\n\n\n

II. Diff\u00e9rences fondamentales en mati\u00e8re de param\u00e8tres et de fonctionnalit\u00e9s<\/strong><\/p>\n\n\n\n

1. Alimentation \u00e9lectrique et consommation : micro-alimentation basse tension vs alimentation industrielle \u00e0 large plage de tension<\/strong><\/p>\n\n\n\n

Le SFX50A fonctionne avec une alimentation basse tension de 3,3 \u00e0 5 V et pr\u00e9sente une consommation \u00e9lectrique moyenne de seulement 0,2 W. Par cons\u00e9quent,<\/strong> Elle convient aux petits appareils mobiles aliment\u00e9s par batterie et offre des avantages \u00e9vidents dans les situations o\u00f9 la consommation d'\u00e9nergie est un facteur d\u00e9terminant.<\/p>\n\n\n\n

Le SFX50B fonctionne avec une alimentation CC \u00e0 large plage de tension (9 \u00e0 36 V), ce qui permet de le raccorder directement aux r\u00e9seaux \u00e9lectriques des sites industriels. Par cons\u00e9quent,<\/strong> Il r\u00e9siste aux fluctuations de l'alimentation \u00e9lectrique et s'adapte aux diff\u00e9rentes conditions d'alimentation rencontr\u00e9es sur les sites industriels.<\/p>\n\n\n\n

2. Structure et installation : c\u00e2blage des microcontr\u00f4leurs embarqu\u00e9s par rapport \u00e0 celui des terminaux industriels<\/strong><\/p>\n\n\n\n

Le SFX50A pr\u00e9sente des dimensions hors tout de seulement 18,7 \u00d7 11,8 \u00d7 13,3 mm et p\u00e8se 1,3 g. Ainsi,<\/strong> Il s'agit d'un module de t\u00e9l\u00e9m\u00e9trie ultra-miniature, \u00e9quip\u00e9 d'un connecteur standard \u00e0 4 broches de 1,0 mm et de fils courts de 10 cm, adapt\u00e9 \u00e0 une installation encastr\u00e9e dans des \u00e9quipements o\u00f9 l'espace est extr\u00eamement restreint.<\/p>\n\n\n\n

Le SFX50B mesure 38 \u00d7 20 \u00d7 30 mm et p\u00e8se 15 \u00b1 2 g ; il pr\u00e9sente une r\u00e9sistance structurelle accrue. Par ailleurs,<\/strong> Il est \u00e9quip\u00e9 de s\u00e9rie d'un connecteur industriel \u00e0 5 broches de 1,25 mm et de fils d\u00e9nud\u00e9s \u00e9tam\u00e9s de 50 cm, ce qui permet de l'adapter aux m\u00e9thodes standard de c\u00e2blage et d'installation des \u00e9quipements industriels.<\/p>\n\n\n\n

3. Performances optiques et de t\u00e9l\u00e9m\u00e9trie : zone d\u2019aveuglement ultra-courte vs. forte r\u00e9sistance \u00e0 la lumi\u00e8re ambiante + \u00e9clairage de vis\u00e9e coaxial<\/strong><\/p>\n\n\n\n

Port\u00e9e et angle mort :<\/strong> Le SFX50A pr\u00e9sente une zone morte de mesure aussi faible que 0,05 m, offrant ainsi une meilleure capacit\u00e9 de d\u00e9tection des bords \u00e0 courte distance, avec une port\u00e9e de 50 m pour une r\u00e9flectivit\u00e9 de 90%. En revanche,<\/strong> Le SFX50B offre une port\u00e9e allant jusqu'\u00e0 45 m sous un \u00e9clairage ambiant de 100 kLux, avec une meilleure r\u00e9sistance \u00e0 la lumi\u00e8re ambiante, ce qui le rend adapt\u00e9 aux situations de forte luminosit\u00e9 en ext\u00e9rieur.<\/p>\n\n\n\n

R\u00e9p\u00e9tabilit\u00e9 :<\/strong> Le SFX50A offre une r\u00e9p\u00e9tabilit\u00e9 de \u00b130 mm et une pr\u00e9cision de \u00b15 cm sur une distance de 5 m. Par ailleurs,<\/strong> Le SFX50B offre une r\u00e9p\u00e9tabilit\u00e9 de \u00b15 cm et une pr\u00e9cision de mesure sup\u00e9rieure.<\/p>\n\n\n\n

Fr\u00e9quence des mesures :<\/strong> Le SFX50A est r\u00e9gl\u00e9 par d\u00e9faut sur 500 Hz. De plus,<\/strong> Le SFX50B est r\u00e9gl\u00e9 par d\u00e9faut sur 1 kHz et prend en charge une plage r\u00e9glable de 20 Hz \u00e0 10 kHz, ce qui convient aux sc\u00e9narios de contr\u00f4le n\u00e9cessitant des vitesses de r\u00e9ponse plus \u00e9lev\u00e9es.<\/p>\n\n\n\n

Lumi\u00e8re de vis\u00e9e coaxiale :<\/strong> Le SFX50A ne dispose d'aucune configuration de lumi\u00e8re de vis\u00e9e. En revanche,<\/strong> Le SFX50B int\u00e8gre un faisceau de vis\u00e9e rouge visible de 650 nm, qui peut \u00eatre activ\u00e9 ou d\u00e9sactiv\u00e9 ind\u00e9pendamment via le port s\u00e9rie. Lors de l'installation et de la mise en service,<\/strong> Il indique visuellement la position du trajet optique, ce qui permet un alignement rapide de l'axe optique.<\/p>\n\n\n\n

4. Interface et configuration : flexibilit\u00e9 offerte par une double interface ou interface standard de qualit\u00e9 industrielle<\/strong><\/p>\n\n\n\n

Le SFX50A prend en charge \u00e0 la fois les interfaces de communication UART TTL et IIC, ce qui lui permet de s'adapter \u00e0 diff\u00e9rents types de petites unit\u00e9s de contr\u00f4le principales tout en offrant une plus grande souplesse d'int\u00e9gration.<\/p>\n\n\n\n

De m\u00eame,<\/strong> Le SFX50B utilise une interface UART standard dot\u00e9e d'un jeu complet de commandes de niveau industriel, permettant la modification du d\u00e9bit en bauds, la configuration de la fr\u00e9quence et les fonctions de d\u00e9marrage\/arr\u00eat de la mesure de distance, s'adaptant ainsi \u00e0 la logique de communication standard des syst\u00e8mes de contr\u00f4le industriels.<\/p>\n\n\n\n

\n\n\n\n

III. Tableau comparatif des param\u00e8tres cl\u00e9s<\/strong><\/p>\n\n\n\n

Nous tirons les param\u00e8tres suivants des sp\u00e9cifications techniques du produit correspondant et prenons note des conditions d'essai. Les performances r\u00e9elles peuvent varier en fonction des caract\u00e9ristiques de r\u00e9flexion de la cible, de la temp\u00e9rature ambiante et des conditions d'\u00e9clairage.<\/strong><\/p>\n\n\n\n

Param\u00e8tres<\/th>SFX50A<\/th>SFX50B<\/th><\/tr><\/thead>
Port\u00e9e effective<\/td>0,05\u201350 m (r\u00e9flectivit\u00e9 90%) ; 0,05\u201320 m (r\u00e9flectivit\u00e9 10%)<\/td>0,05\u201350 m (r\u00e9flectivit\u00e9 90%) ; 0,05\u201320 m (r\u00e9flectivit\u00e9 10%)<\/td><\/tr>
Zone d'aveuglement de t\u00e9l\u00e9m\u00e9trie<\/td>0,05 m<\/td>0,05 m<\/td><\/tr>
R\u00e9p\u00e9tabilit\u00e9<\/td>\u00b130 mm<\/td>\u00b15 cm<\/td><\/tr>
Pr\u00e9cision des mesures<\/td>\u00b15 cm (< 5 m) ; 1% (\u2265 5 m)<\/td>\u00b15 cm (< 5 m) ; 1% (\u2265 5 m)<\/td><\/tr>
Fr\u00e9quence de mesure<\/td>Valeur par d\u00e9faut : 500 Hz<\/td>Valeur par d\u00e9faut : 1 kHz, r\u00e9glable entre 20 Hz et 10 kHz<\/td><\/tr>
Laser principal<\/td>905 nm, classe 1<\/td>905 nm, classe 1<\/td><\/tr>
Lumi\u00e8re de vis\u00e9e<\/td>Aucun<\/td>Lumi\u00e8re rouge \u00e0 650 nm, classe 2, \u00e0 activation ind\u00e9pendante<\/td><\/tr>
Champ de vision<\/td>1.9\u00b0<\/td>Environ 4 mrad<\/td><\/tr>
R\u00e9sistance \u00e0 la lumi\u00e8re ambiante<\/td>10 m \u00e0 60 kLux<\/td>45 m \u00e0 100 kLux<\/td><\/tr>
Tension de fonctionnement<\/td>3,3\u20135 V CC<\/td>9 \u00e0 36 V CC<\/td><\/tr>
Consommation \u00e9lectrique moyenne<\/td>0,2 W (\u00e0 5 V)<\/td>0,8 W (\u00e0 24 V)<\/td><\/tr>
Interface de communication<\/td>UART TTL + IIC<\/td>UART<\/td><\/tr>
Dimensions<\/td>18,7 \u00d7 11,8 \u00d7 13,3 mm<\/td>38 \u00d7 20 \u00d7 30 mm<\/td><\/tr>
Poids<\/td>1,3 g<\/td>15 \u00b1 2 g<\/td><\/tr>
Raccordement \u00e9lectrique<\/td>Connecteur \u00e0 4 broches de 1,0 mm, fils libres de 10 cm<\/td>Connecteur \u00e0 5 broches de 1,25 mm, fils d\u00e9tach\u00e9s de 50 cm<\/td><\/tr>
Temp\u00e9rature de fonctionnement<\/td>De -20\u00b0C \u00e0 +60\u00b0C<\/td>de -20 \u00b0C \u00e0 +60 \u00b0C (lampe de vis\u00e9e \u00e9teinte)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

IV. Recommandations relatives au choix des sc\u00e9narios<\/strong><\/p>\n\n\n\n

Nous recommandons le SFX50A dans les cas suivants :<\/strong><\/p>\n\n\n\n

    \n
  • Maintien d'altitude pour les micro-drones et \u00e9vitement d'obstacles pour les petits drones, avec des exigences strictes en mati\u00e8re de poids et de consommation d'\u00e9nergie.<\/li>\n\n\n\n
  • \u00c9vitement d'obstacles pour les petits v\u00e9hicules guid\u00e9s automatiquement (AGV) et les robots de service, dans des espaces d'installation internes restreints.<\/li>\n\n\n\n
  • Petits dispositifs de surveillance embarqu\u00e9s et modules de microcapteurs n\u00e9cessitant une interface de communication IIC.<\/li>\n\n\n\n
  • Terminaux aliment\u00e9s par batterie pr\u00e9sentant une grande sensibilit\u00e9 \u00e0 la consommation d'\u00e9nergie, n\u00e9cessitant une consommation en veille et en fonctionnement extr\u00eamement faible.<\/li>\n<\/ul>\n\n\n\n

    Nous recommandons le SFX50B dans les cas suivants :<\/strong><\/p>\n\n\n\n

      \n
    • Positionnement des ponts roulants industriels et des \u00e9quipements de levage, et contr\u00f4le de la distance pour l'accouplement des chariots.<\/li>\n\n\n\n
    • S\u00e9curit\u00e9 industrielle et surveillance p\u00e9rim\u00e9trique, d\u00e9ploy\u00e9es dans des environnements ext\u00e9rieurs tr\u00e8s lumineux.<\/li>\n\n\n\n
    • Robots d'inspection et appareils mobiles de taille moyenne n\u00e9cessitant une alimentation \u00e9lectrique \u00e0 large plage de tension et une mesure de distance \u00e0 haute fr\u00e9quence.<\/li>\n\n\n\n
    • Exigences \u00e9lev\u00e9es en mati\u00e8re de facilit\u00e9 d'installation et de mise en service sur site, n\u00e9cessitant un faisceau de vis\u00e9e coaxial pour faciliter l'alignement de l'axe optique.<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n

      Conclusion<\/strong><\/p>\n\n\n\n

      En conclusion,<\/strong> Ces deux produits constituent des solutions de rangement miniatures abouties et produites en s\u00e9rie par SunFlaser, r\u00e9pondant \u00e0 diff\u00e9rents besoins d'int\u00e9gration et \u00e0 diff\u00e9rents sc\u00e9narios d'utilisation. Par cons\u00e9quent,<\/strong> Vous pouvez ainsi d\u00e9terminer de mani\u00e8re exhaustive le choix final en fonction des conditions d'alimentation \u00e9lectrique des \u00e9quipements, de l'espace disponible pour l'installation, des exigences fonctionnelles et des sc\u00e9narios d'utilisation vis\u00e9s.<\/p>\n\n\n\n

      Par ailleurs,<\/strong> Tous les modules de t\u00e9l\u00e9m\u00e9trie SunFlaser prennent en charge des formats personnalis\u00e9s et la personnalisation des protocoles de sortie ; nous pouvons collaborer avec nos clients pour r\u00e9aliser des adaptations sur mesure.<\/p>","protected":false},"excerpt":{"rendered":"

      To begin with, among the SunFlaser SFX series 905nm pulsed TOF miniature laser ranging modules, the SFX50A and SFX50B both serve as 50m\u2011class short\u2011range products. Both employ the DTOF ranging principle and feature small size and high reliability. However, the two products differentiate their designs in power supply system, structural form, and functional configuration, corresponding […]<\/p>\n","protected":false},"author":1,"featured_media":11170,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[939,944,941,877,942,940,943],"class_list":["post-11169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sunflaser-news","tag-905nmminiaturelaserranging","tag-industrialcranepositioning","tag-industrialwidevoltage","tag-lowpower","tag-sfx50a","tag-sfx50b","tag-uavobstacleavoidance"],"blocksy_meta":[],"yoast_head":"\nSFX50A vs SFX50B: Selection Guide for Same\u2011Range Miniature Laser Ranging Modules - SunFlaser Tech<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sunflaser.com\/fr\/sfx50a-vs-sfx50b-selection-guide-for-same-range-miniature-laser-ranging-modules\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SFX50A vs SFX50B: Selection Guide for Same\u2011Range Miniature Laser Ranging Modules\" \/>\n<meta property=\"og:description\" content=\"To begin with, among the SunFlaser SFX series 905nm pulsed TOF miniature laser ranging modules, the SFX50A and SFX50B both serve as 50m\u2011class short\u2011range products. Both employ the DTOF ranging principle and feature small size and high reliability. 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