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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. Possui ampla operação de temperatura (0~60°C), proteção de nível industrial (surto/isolado/ESD), redundância de energia dupla e configuração flexível. It is widely applied in manufacturing, energia, 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.
- Definição de código de modelo
| Segmento de modelo | Significado | Descrição |
| NPort | Série de produtos | Product line identifier for Moxa serial device servers |
| 52 | Código da 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 |
| UM | Version Mark | Enhanced version with wider operating temperature range (0~60°C vs original 0~55°C) and upgraded protection level |
| -T | Optional Suffix | Wide-temperature model, operating temperature extended to -40~75°C |
- Tabela de especificações principais
| Categoria | Especificações | Observações |
| Configuração Básica | 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: Nenhum, Even, Odd, Espaço, 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 |
| Protocolos Suportados: PI, 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 | ||
| Proteção ESD: Contato 8 kV, Ar 15 kV | ||
| Power Features | Dual DC Input: 12~48 VDC (24 VDC recommended) | Redundant power design for stable operation |
| Interface de energia: Screw-type connector + terminal block | ||
| Max Power Consumption: 3.6 C | ||
| Propriedades Físicas | Dimensões: 77 × 111 × 26 milímetros | Compact design for diverse installation sites |
| Peso: 340 g | ||
| Montagem: Desktop, DIN-rail (optional kit), Wall-mount | ||
| Parâmetros Ambientais | Temperatura operacional: Standard 0~60°C, Wide Temp -40~75°C | Excellent industrial environmental adaptability |
| Temperatura de armazenamento: -40~75°C | ||
| Umidade relativa: 5~95% (sem condensação) | ||
| Vibração: 5~500 Hz, 1.5 g | ||
| Choque: 10 g, 11 EM | ||
| Certificações | CE, FCC, UL/cUL, Class I Division 2 | Complies with international industrial standards, applicable in hazardous areas |
| Ordering Code | NPort 5210A | Distinguish standard and wide-temperature models |
| NPort 5210A-T (Wide Temperature) |
III. Full Series Model List (NPort 5200A Series)
| Modelo | Serial Port Type | Faixa de temperatura | Principais recursos |
| 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 |
- Replacement Comparison: Old & New Models / Peer Products
- Old & Substituição de novo modelo
| Modelo Antigo | Novo modelo | Major Upgrades |
| NPort 5210 | NPort 5210A | Extended operating temp to 0~60°C; enhanced surge protection; dual power input; simplified web configuration |
- Peer Product Comparison
| Modelo | Marca | Quantidade de portas | Serial Type | Temp Range | Nível de proteção | Faixa de preço |
| 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 | Contato Fênix | 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 |
- Application Environments & Industry Cases
- Cenários Aplicáveis
Indústria de transformação: Networking for PLC, Máquinas-ferramentas CNC, barcode scanners and industrial test equipment
Energia & Utilitários: Integration of power meters, RTU and SCADA systems
Óleo & Gas Industry: Remote management of serial devices
Smart Infrastructure: Automação predial, monitoring system and IoT integration
Transporte: Rail transit signal equipment and vehicle monitoring system
Equipamento Médico: Networking for laboratory instruments and medical diagnostic devices
- Non-recommended Scenarios
High humidity environment (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)
- Casos de aplicação típicos
Caso 1: PLC Networking for Automotive Production Lines
Aplicativo: Connect legacy PLC RS-232 ports to Ethernet for remote monitoring and programming
Configuração: Adopt Real COM mode to create virtual serial ports on PC, no modification needed for original PLC software
Vantagem: Realize Industry 4.0 upgrade without replacing expensive PLCs, cut costs by 70%
Caso 2: Smart Grid Meter Data Collection
Aplicativo: Gather data from distributed RS-232 power meters to SCADA system via NPort 5210A
Configuração: TCP Server mode, central server collects meter data through Ethernet
Vantagem: Realize remote meter reading and real-time monitoring, reduce manual inspection cost and improve data accuracy
- Falhas Comuns & Soluções
| Fenômeno de falha | Possíveis causas | Soluções |
| 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. Abnormal power supply | 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 & parity | 1. Unify serial parameters with terminal devices |
| 2. Electromagnetic interference | 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. Change switch port | |
| 3. Damaged Ethernet port | 3. Check port indicators, send for repair if abnormal |
VII. Replaceability Analysis of Core Components
| Componente | Replaceability | Operation Difficulty | Required Tools | Notas |
| Módulo de potência | Alto (External) | Baixo | Chave de fenda | Power off in advance, use 12~48VDC standard power supply |
| Serial Connector | Médio | Médio | Soldering iron, solder wire | Professional welding skills required, anti-static operation |
| Ethernet Port Connector | Médio | Médio | Soldering iron, solder wire | Highly integrated with mainboard, professional maintenance recommended |
| Mainboard | Baixo | Alto | Full set of electronic maintenance tools | High replacement cost, whole device replacement preferred |
| Heat Sink | Alto | Baixo | Chave de fenda | Fix firmly and apply thermal grease evenly |
| Luz Indicadora | Médio | Médio | Soldering iron, solder wire | SMD component, fine operation required |
VIII. Manutenção Diária & Prevention Guidelines
- Instalação & Regras de fiação
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
- Cronograma de manutenção regular
| Item de manutenção | Cycle | Operation Content |
| Atualização de Firmware | Trimestral | Update to latest stable firmware to fix security vulnerabilities |
| Dust Cleaning | Semi-annually | Clean surface and vents with compressed air after power off |
| Connection Inspection | Mensal | Check looseness of all wiring especially power and network lines |
| Operation Monitoring | Weekly | Check running status, temperature and communication statistics via Web page |
| Configuration Backup | After every modification | Export configuration file to avoid data loss |
- Fault Prevention Measures
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
- Air Freight Compliance & Certificações
- Air Freight Compliance
No built-in lithium battery, compliant with IATA dangerous goods regulations, deliverable as general cargo
Use original packaging or anti-static packaging meeting transportation standards
Mark FRAGILE label to avoid heavy pressure and violent vibration
- Documentos de Certificação
| Certificação | Padrão | Escopo de aplicação |
| CE | EM 55032/24 (EMC), CEI 61000-4 série (EMS) | European market access |
| FCC | Part 15B | North American market access |
| UL/cUL | UL 61010-1 | North American safety approval |
| Class I Division 2 | ANSI/ISA 12.12.01 | Approval for hazardous location deployment |
- Selection Rules & Quick Memorization
Regras de seleção rápida
- Port definition: 10=RS-232, 30=RS-422/485, 50=triple-in-one
- Faixa de temperatura: 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
