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The Moxa NPort 5210A is an industrial-grade 2-port RS-232 serial device server that enables serial device networking via Ethernet. Il dispose d'un fonctionnement à large température (0~60°C), protection de qualité industrielle (surtension/isolé/ESD), double redondance d'alimentation et configuration flexible. It is widely applied in manufacturing, énergie, transportation and other industries. Its compact structure and diverse mounting methods make it an ideal choice for upgrading legacy serial devices. Following maintenance guidelines and troubleshooting manuals ensures long-term stable operation and reduces system maintenance costs.
- Définition du code modèle
| Segment de modèle | Signification | Description |
| NPort | Série de produits | Product line identifier for Moxa serial device servers |
| 52 | Code de série | 5200A series, stands for 2-port industrial serial server |
| 10 | Serial Port Type | 10 = RS-232 interface; 30 = RS-422/485; 50 = RS-232/422/485 triple-in-one |
| UN | Marque de version | Enhanced version with wider operating temperature range (0~60°C vs original 0~55°C) and upgraded protection level |
| -T | Suffixe facultatif | Wide-temperature model, operating temperature extended to -40~75°C |
- Tableau des spécifications de base
| Catégorie | Caractéristiques | Remarques |
| Configuration de base | 2-port RS-232 serial server | Supports serial device networking and RS-232 to Ethernet communication |
| 1×10/100BaseT(X) RJ45 Ethernet port | ||
| DB9 male serial connector | ||
| Serial Performance | Max Baud Rate: 921.6 kbps | Compatible with most industrial serial devices |
| Data Bits: 5,6,7,8 | ||
| Parity: Aucun, Even, Odd, Espace, Mark | ||
| Stop Bits: 1, 1.5, 2 | ||
| Flow Control: RTS/CTS, XON/XOFF | ||
| Network Functions | Operation Modes: TCP Server, TCP Client, UDP, Real COM, Reverse Telnet, RFC2217 | Adaptable to various industrial application scenarios |
| Protocoles pris en charge: IP, TCP, UDP, ARP, ICMP, DHCP, BOOTP, HTTP, Telnet, SNMP | ||
| Electrical Protection | Serial Surge Protection: 0.5 kV | Industrial protection for harsh electromagnetic environments |
| Ethernet Port Isolation: 1.5 kV built-in magnetic isolation | ||
| Protection ESD: Contact 8 kV, Air 15 kV | ||
| Power Features | Dual DC Input: 12~48 VDC (24 VDC recommended) | Redundant power design for stable operation |
| Power Interface: Screw-type connector + bornier | ||
| Consommation d'énergie maximale: 3.6 W | ||
| Physical Properties | Dimensions: 77 × 111 × 26 mm | Compact design for diverse installation sites |
| Poids: 340 g | ||
| Montage: Desktop, DIN-rail (optional kit), Wall-mount | ||
| Paramètres environnementaux | Température de fonctionnement: Standard 0~60°C, Wide Temp -40~75°C | Excellent industrial environmental adaptability |
| Température de stockage: -40~75°C | ||
| Humidité relative: 5~95 % (sans condensation) | ||
| Vibration: 5~500 Hz, 1.5 g | ||
| Choc: 10 g, 11 MS | ||
| Certifications | CE, FCC, UL/cUL, Class I Division 2 | Complies with international industrial standards, applicable in hazardous areas |
| Code de commande | NPort 5210A | Distinguish standard and wide-temperature models |
| NPort 5210A-T (Wide Temperature) |
III. Liste des modèles de la série complète (NPort 5200A Series)
| Modèle | Serial Port Type | Plage de température | Principales caractéristiques |
| NPort 5210A | 2-Port RS-232 | 0~60°C | Basic model for RS-232 serial connection |
| NPort 5210A-T | 2-Port RS-232 | -40~75°C | Wide-temperature model for extreme temperature environments |
| NPort 5230A | 2-Port RS-422/485 | 0~60°C | Differential serial port for long-distance communication |
| NPort 5230A-T | 2-Port RS-422/485 | -40~75°C | Wide-temperature RS-422/485 serial server |
| NPort 5250A | 2-Port RS-232/422/485 | 0~60°C | Triple-in-one serial port for flexible device matching |
| NPort 5250A-T | 2-Port RS-232/422/485 | -40~75°C | Wide-temperature triple-in-one serial server |
- Comparaison de remplacement: Vieux & Nouveaux modèles / Produits homologues
- Vieux & Remplacement d'un nouveau modèle
| Ancien modèle | Nouveau modèle | Mises à niveau majeures |
| NPort 5210 | NPort 5210A | Extended operating temp to 0~60°C; enhanced surge protection; dual power input; simplified web configuration |
- Comparaison des produits par les pairs
| Modèle | Marque | Quantité de ports | Serial Type | Temp Range | Niveau de protection | Gamme de prix |
| NPort 5210A | Moxa | 2 | RS-232 | 0~60°C | Serial 0.5kV surge, Ethernet 1.5kV isolation | $260~$300 |
| EKI-1521 | Advantech | 2 | RS-232 | 0~60°C | Serial 1kV surge, Ethernet 1.5kV isolation | $240~$280 |
| IES-202 | Contact Phénix | 2 | RS-232 | -20~60°C | Serial 0.5kV surge, Ethernet 1kV isolation | $280~$320 |
| UNO-2170 | Advantech | 2 | RS-232/485 | 0~55°C | Serial 0.5kV surge, Ethernet 1.5kV isolation | $220~$260 |
- Environnements d'applications & Cas industriels
- Scénarios applicables
Industrie manufacturière: Networking for PLC, Machines-outils à commande numérique, barcode scanners and industrial test equipment
Énergie & Utilitaires: Integration of power meters, RTU and SCADA systems
Huile & Gas Industry: Remote management of serial devices
Smart Infrastructure: Automatisation des bâtiments, monitoring system and IoT integration
Transport: Rail transit signal equipment and vehicle monitoring system
Équipement médical: Networking for laboratory instruments and medical diagnostic devices
- Scénarios non recommandés
Environnement très humide (relative humidity over 95%, condensing condition)
Severe chemical corrosion environment without special anti-corrosion coating
Underwater or high-pressure occasions (non-waterproof design, only for dry indoor/covered outdoor use)
POE power supply required (NPort 5210A does not support POE, separate power supply needed)
- Cas d'application typiques
Cas 1: PLC Networking for Automotive Production Lines
Application: Connect legacy PLC RS-232 ports to Ethernet for remote monitoring and programming
Configuration: Adopt Real COM mode to create virtual serial ports on PC, no modification needed for original PLC software
Avantage: Realize Industry 4.0 upgrade without replacing expensive PLCs, cut costs by 70%
Cas 2: Smart Grid Meter Data Collection
Application: Gather data from distributed RS-232 power meters to SCADA system via NPort 5210A
Configuration: TCP Server mode, central server collects meter data through Ethernet
Avantage: Realize remote meter reading and real-time monitoring, reduce manual inspection cost and improve data accuracy
- Défauts courants & Solutions
| Phénomène de défaut | Causes possibles | Solutions |
| Unable to access Web configuration page | 1. Different IP network segment | 1. Adjust IP address, use Moxa IP Search Tool |
| 2. Firewall interception | 2. Disable firewall or add access rules | |
| 3. Alimentation électrique anormale | 3. Check power indicators and dual power connection | |
| Fail to open virtual COM port by application | 1. Incorrect COM mapping configuration | 1. Reconfigure Real COM mode |
| 2. Network disconnection | 2. Ping device IP to check network connectivity | |
| 3. Driver installation failure | 3. Reinstall official latest drivers | |
| Unstable serial communication | 1. Mismatched baud rate & parité | 1. Unify serial parameters with terminal devices |
| 2. Interférence électromagnétique | 2. Use shielded cables, keep over 30cm away from power cables | |
| 3. Overlong or poor-quality serial cables | 3. Replace qualified cables within 15m length | |
| Flashing power indicator | 1. Unstable input voltage | 1. Ensure input voltage within 12~48VDC |
| 2. Power module failure | 2. Replace spare power module | |
| 3. Internal short circuit | 3. Contact Moxa technical support for maintenance | |
| Network disconnection | 1. Defective network cable | 1. Replace network cable for test |
| 2. Faulty switch port | 2. Changer le port du commutateur | |
| 3. Damaged Ethernet port | 3. Check port indicators, send for repair if abnormal |
VII. Analyse de remplaçabilité des composants principaux
| Composant | Remplaçabilité | Difficulté de fonctionnement | Outils requis | Remarques |
| Module d'alimentation | Haut (Externe) | Faible | Tournevis | Power off in advance, use 12~48VDC standard power supply |
| Serial Connector | Moyen | Moyen | Fer à souder, fil à souder | Professional welding skills required, anti-static operation |
| Ethernet Port Connector | Moyen | Moyen | Fer à souder, fil à souder | Hautement intégré à la carte mère, professional maintenance recommended |
| Mainboard | Faible | Haut | Full set of electronic maintenance tools | High replacement cost, whole device replacement preferred |
| Heat Sink | Haut | Faible | Tournevis | Fix firmly and apply thermal grease evenly |
| Voyant lumineux | Moyen | Moyen | Fer à souder, fil à souder | SMD component, fine operation required |
VIII. Entretien quotidien & Lignes directrices en matière de prévention
- Installation & Règles de câblage
Prioritize dual redundant power supply, fasten screw connectors tightly
Keep serial cables at least 30cm away from power cables to reduce EMI
Ensure reliable equipment grounding with grounding resistance below 4Ω
- Calendrier d'entretien régulier
| Article d'entretien | Faire du vélo | Contenu de l'opération |
| Mise à niveau du micrologiciel | Trimestriel | Update to latest stable firmware to fix security vulnerabilities |
| Dust Cleaning | Semestriellement | Clean surface and vents with compressed air after power off |
| Inspection des connexions | Mensuel | Check looseness of all wiring especially power and network lines |
| Operation Monitoring | Hebdomadaire | Check running status, temperature and communication statistics via Web page |
| Configuration Backup | Après chaque modification | Export configuration file to avoid data loss |
- Mesures de prévention des pannes
Avoid placing devices under extreme temperature, humidity and dusty conditions
Install surge protector at power input terminal against voltage surge damage
Enable IP filtering and strong passwords for network access restriction
Adopt dual-device redundancy for core applications to enhance system reliability
- Conformité du fret aérien & Certifications
- Conformité du fret aérien
Pas de batterie au lithium intégrée, conforme à la réglementation IATA sur les marchandises dangereuses, livrable en tant que marchandise générale
Use original packaging or anti-static packaging meeting transportation standards
Mark FRAGILE label to avoid heavy pressure and violent vibration
- Documents de certification
| Attestation | Standard | Champ d'application |
| CE | DANS 55032/24 (CEM), CEI 61000-4 série (EMS) | Accès au marché européen |
| FCC | Part 15B | North American market access |
| UL/cUL | UL 61010-1 | Approbation de sécurité nord-américaine |
| Class I Division 2 | ANSI/ISA 12.12.01 | Approval for hazardous location deployment |
- Règles de sélection & Quick Memorization
Règles de sélection rapide
- Port definition: 10=RS-232, 30=RS-422/485, 50=triple-in-one
- Plage de température: Standard 0~60°C, -T version -40~75°C
- Protection standard: Serial 0.5kV surge, Ethernet 1.5kV isolation, ESD 15kV
- Power specification: 12~48VDC dual input with screw terminal & block interface
