The Advantech EKI-1526 is an industrial-grade 16-port RS-232/422/485 serial device server featuring a 1U rack-mount design and dual Ethernet redundancy. Conectează fără probleme dispozitivele seriale tradiționale la rețeaua Ethernet pentru gestionarea de la distanță și achiziția de date. Avantajele sale principale includ tipuri de porturi seriale configurabile prin software, gamă largă de temperatură de funcționare, protecție ESD ridicată, și suport bogat pentru protocolul de comunicare. Este aplicat pe scară largă în automatizarea industrială, transport inteligent, energy management and other fields.
- Definirea segmentului de model (Standard Nomenclature)
| Segment | Standard Code | Sens | Descriere detaliată |
| EKI | EKI | Advantech Industrial Ethernet Communication Product Line | Embedded Ethernet Interface, focusing on industrial network communication equipment |
| 1526 | 1526 | Product Series Number | 16-port serial device server (1528 is the 8-port version) |
| Suffix Code | N / eu / TI / VDC, etc. | Extinderea funcției / Power Type | • N: Gigabit Ethernet |
| • I: Wide-temperature version (-40°C~70°C) | |||
| • TI: Wide-temperature + DC power supply | |||
| • VDC: DC power supply (12-48VDC) | |||
| • CE: Compliant with EU CE certification | |||
| Version | V2 | Hardware Revision | 2nd-generation hardware with upgraded performance, supporting baud rate up to 976.5 kbps |
- Parametrii de specificație de bază (Official Data)
| Categorie | Parametru | Model standard (EKI-1526) | Wide-Temp Model (EKI-1526I) | Observații |
| Basic Characteristics | Tip de produs | 16-Port Serial Device Server | Same as left | 1U rackmount, SECC metal casing, IP30 protection |
| Dimensiuni (L×A×D) | 438×43.6×259.2 mm | Same as left | Standard 19-inch rack mounting | |
| Greutate | 3.1 kg | Same as left | Excluding packaging | |
| Temperatura de operare | -10°C ~ 60°C | -40°C ~ 70°C | Storage temperature: -40°C ~ 80°C | |
| Umiditate | 5%~95% RH, necondens | Same as left | Adaptable to humid industrial environments | |
| MTBF | >60,000 ore | Same as left | High-reliability design | |
| Network Interface | Port Quantity | 2 × RJ45 | Same as left | LAN redundancy supported, auto MDI/MDIX |
| Viteză | 10/100 Mbps (EKI-1526) | Same as left | Dual independent MAC addresses, network redundancy | |
| 10/100/1000 Mbps (EKI-1526N) | ||||
| Protectie de izolare | Încorporat 1.5 kV magnetic isolation | Same as left | Anti-electromagnetic interference, stabilitate îmbunătățită | |
| Serial Communication | Port Quantity | 16 porturi | Same as left | Software configurable serial mode |
| Interface Type | DB9 (RJ45 optional) | Same as left | Supports RS-232/422/485 switching | |
| Baud Rate | 50~921.6 kbps (Standard) | Same as left | Custom baud rate supported | |
| 50~976.5 kbps (V2 Version) | ||||
| Data Bits | 5, 6, 7, 8 | Same as left | Flexible compatibility with various serial devices | |
| Parity | Nici unul / Odd / Even / Mark / Space | Same as left | Full compatibility with industrial protocols | |
| Stop Bits | 1, 1.5, 2 | Same as left | Meets communication requirements of different devices | |
| Protecţie | 15KV ESD full-serial protection | Same as left | Industrial-grade anti-static design | |
| RS-485 Feature | Automatic data flow control, 2/4-wire support | Same as left | No manual TX/RX direction switching required | |
| Sistem de alimentare | AC Input | 100~240 VAC, 50~60 Hz | Same as left | Consumul de energie: 5.6W, 0.3A@110V, 0.2A@220V |
| DC Input | 12~48 VDC | Same as left | Wide voltage input for industrial power supply | |
| Protecţie | Over-voltage / Over-current / Reverse polarity protection | Same as left | Industrial-grade power protection design | |
| Software Functions | Operation Modes | Virtual COM, TCP Server/Client, UDP, Modbus Gateway | Same as left | Multi-protocol conversion capability |
| Configuration Methods | Web Browser, Telnet, Windows Utility, Serial Console | Same as left | Flexible for different management scenarios | |
| Network Protocols | IPv4/IPv6, DHCP, DNS, SNMP MIB-II | Same as left | Complete network management support | |
| Security Features | Password protection, IP filtering, SSL/TLS (V2 version) | Same as left | Ensure secure data transmission | |
| Certificari | Conformitate | CE, FCC, UL, Clasa I Div 2 | Same as left | Compliant with global industrial safety standards |
- Lista de accesorii (Officially Recommended)
| Nume accesoriu | Funcţie | Recommended Qty | Observații |
| Rack Mount Kit | Standard 19-inch rack mounting brackets | 1 set per unit | Standard included |
| Power Cord | AC version: IEC C13 power cable | 1 pc per unit | Select according to power type |
| DC version: Phoenix terminal power cable | |||
| Serial Cable | DB9-RJ45 adapter cable / DB9 straight-through cable | 1 pc per port | For serial device connection |
| Ethernet Cable | Cat5e/Cat6 network cable (1-2m) | 2 pcs per unit | For dual Ethernet port connection |
| Software de configurare | Advantech Device Manager | 1 set | Available via CD or official website |
| User Manual | Paper / electronic operation guide | 1 copy | Includes quick configuration steps |
| Card de garanție | 5-year warranty certificate | 1 copy | Standard warranty for Advantech industrial products |
- Competitor & Cross-Brand Replacement List (Directly Compatible)
| Marca | Model | Parametri cheie | Compatibilitate / Diferenţă | Recomandare de înlocuire |
| Advantech Same Series | EKI-1526N | 16-port, Gigabit Ethernet, IP30 | Higher network speed, identical other specs | Choose for high-speed network transmission |
| Advantech Same Series | EKI-1526I | 16-port, temperatură largă (-40°C~70°C) | Extended operating temperature range | Outdoor / harsh environment applications |
| Advantech Same Series | EKI-1528 | 8-port, same other parameters | Half port count, smaller size | Scenarios with fewer serial devices |
| MOXA | NPort 5616-8-DT | 16-port, RS-232/422/485, dual LAN | Similar protocol support, more mature configuration software | Users familiar with MOXA ecosystem |
| Siemens | SCALANCE XB-200 Series | Industrial switch + serial server module | High integration, seamless connection with Siemens PLC | Priority for Siemens automation systems |
| Phoenix Contact | FL SWITCH 2208 + PSI-MODEM | Switch + serial gateway combination | Design modular, strong scalability | Scenarios requiring flexible port expansion |
| Alternativă internă | ZLG GCOM80-2NET | 16-port, temperatură largă, full isolation | 30%-50% lower price, fully compatible functions | Cost-sensitive projects & localization demands |
- Ghid de selecție & Soluții alternative
Selection Mnemonic
> 16 serial ports with dual LAN, software switch for multi-RS mode;
> I for wide temp, N for gigabit, AC/DC power as required.
Key Selection Considerations (5 Dimensiuni)
- Port Quantity Matching
16 serial devices: Choose standard EKI-1526
8 serial devices: Choose EKI-1528 (8-port version)
Mai mult decât 16 porturi seriale: Daisy-chain multiple units or select EKI-1548 (32-port)
- Operating Environment Adaptation
Mediu industrial standard (-10°C~60°C): EKI-1526 standard version
Extreme environment (-40°C~70°C): Choose EKI-1526I wide-temperature model
Outdoor / mediu umed: Add IP67 protective enclosure
- Network Requirement Evaluation
100Mbps network: EKI-1526 standard
Gigabit / high-speed data transmission: Choose EKI-1526N
Network redundancy & fiabilitate ridicată: Dual LAN auto-switching as standard
- Power Supply Selection
Room / computer room: EKI-1526 (AC power)
Industrial field / no commercial AC: EKI-1526T-VDC (12-48VDC)
Unstable power grid: Add UPS power protection
- Function Expansion Requirements
Security encryption: Choose V2 version (supports SSL/TLS)
Modbus Gateway: Standard built-in, no extra license required
Remote management: Supports SNMP, integrable with industrial network management system
Soluții alternative recomandate (3 Scenarios)
| Scenariul aplicației | Soluție recomandată | Avantaje |
| Optimizarea costurilor | Domestic alternatives (ZLG GCOM80-2NET, Kyland KIEN Series) | 30%-50% reducerea costurilor, function compatible, meets localization requirements |
| Protocol Upgrade | EKI-1526 + Advantech Protocol Converter | Add OPC UA, PROFINET and other industrial protocol conversion |
| Integrarea funcției | EKI-1526V2 + Advantech Edge Computing Module | All-in-one serial data collection + edge computing + cloud platform access |
- Air Freight Compliance & Certificare CE (International Trade)
- Air Freight Compliance
No built-in lithium battery / super capacitor: Classified as ordinary industrial electronic equipment, no special air freight restrictions
Transport Category: Clasă 9 miscellaneous dangerous goods (non-dangerous in actual transport)
HS Code: 85176239 (Industrial network communication equipment)
Packaging Standard: Compliant with ISTA 3A to avoid transport damage
- CE Certification Information
Compliant Directives: 2014/30/EU (EMC), 2011/65/EU (RoHS), 2014/35/EU (LVD)
Test Standards: ÎN 55011 (Industrial EMI), ÎN 61000-6-2 ( Industrial immunity)
Certification Number: Available on Advantech official website by entering the full model number
- Application Cases & Adaptarea industriei
Cazuri tipice de aplicare
- Smart Factory: Connect 16 PLCs/sensors; adopt dual Ethernet redundancy for production line data acquisition; support Modbus TCP/RTU protocol conversion and seamless MES system connection.
- Smart Grid: Reţea 16 serial substation devices (protection relays, contoare de energie); wide-temperature model adapts to outdoor conditions; dual LAN ensures reliable data transmission.
- Tranzit Feroviar: 16-channel sensor data collection for train carriages; DC power adapts to vehicle system; high ESD protection against complex electromagnetic environments.
- Industria Petrochimică: Remote monitoring of 16 instrument data in refineries; Clasa I Div 2 certification meets hazardous area requirements; support remote configuration and fault diagnosis.
Industry Adaptation Guide
| Industrie | Adaptation Advantages | Configurație recomandată |
| Automatizare industrială | Multi-serial centralized management, flexible protocol conversion | EKI-1526N + Virtual COM Software + Industrial Switch |
| Energie & Putere | Wide-temperature design, fiabilitate ridicată, dual LAN redundancy | EKI-1526I + DC Power + Lightning Protection Module |
| Tranzit Feroviar | Vehicle power compatible, vibration resistant, enhanced EMC | EKI-1526TI-VDC + Shockproof Mounting Bracket |
| Petrochemical | Explosion-proof certification, remote management, consum redus de energie | EKI-1526I + Safety Isolator + Sursă de alimentare redundantă |
The Advantech EKI-1526 is a highly reliable and flexible industrial-grade serial device server. With its 16-port high-density design, software-configurable serial modes, and dual LAN redundancy, it perfectly meets the network transformation demands of serial devices in industrial sites. Supporting multiple operation modes including Virtual COM, TCP/UDP and Modbus Gateway, it can be seamlessly integrated into mainstream industrial automation systems to realize remote management and data acquisition of traditional serial equipment. Its wide-temperature versions and multiple power options further extend its applicability in extreme environments and special scenarios.
Full EKI-1526 Series Model List
- 16-Port Main Models
| Model complet | LAN Speed | Operating Temp | Alimentare electrică | Caracteristici de bază |
| EKI-1526 | 10/100Mbps | -10℃~60℃ | AC 220V | Standard 16-port RS232/422/485 |
| EKI-1526I | 10/100Mbps | -40℃~70℃ | AC 220V | Industrial wide-temperature version |
| EKI-1526N | 10/100/1000Mbps | -10℃~60℃ | AC 220V | Standard + Dual Gigabit LAN |
| EKI-1526NI | 10/100/1000Mbps | -40℃~70℃ | AC 220V | Wide-temperature + Dual Gigabit |
| EKI-1526-VDC | 10/100Mbps | -10℃~60℃ | 12~48VDC | DC power version |
| EKI-1526I-VDC | 10/100Mbps | -40℃~70℃ | 12~48VDC | Wide-temperature + DC power |
| EKI-1526N-VDC | 10/1000Mbps | -10℃~60℃ | 12~48VDC | Gigabit + DC power |
| EKI-1526V2 | 10/100Mbps | Standard Temp | AC | V2 hardware, higher baud rate + SSL encryption |
- Related Series Models (8/32-Port Alternative)
| Model | Porturi seriale | Poziționare | Direct Replacement Scenario |
| EKI-1528 | 8 Ports | Small-site application | ≤8 serial devices, space & cost saving |
| EKI-1548 | 32 Ports | High-density cabinet | Peste 16 porturi seriale, one unit replaces two EKI-1526 |
Unified Model Suffix Definition
No Suffix: Standard temperature -10~60℃, 100Mbps LAN, AC220V power
eu: Industrial wide-temperature -40℃~70℃
N: Network upgraded to Dual Gigabit Ethernet
VDC: Supports 12~48VDC wide-range DC input
TI: Wide-temperature + industrial vehicle-grade DC adaptation
V2: 2nd-gen hardware, max baud rate 976.5kbps, SSL/TLS encryption supported
Quick Hardware Wiring Steps
- Power on the device: AC for mains power / DC for 12-48V DC input
- Network port: LAN1/LAN2 connect to switch or PC, dual LAN redundancy supported
- Serial port: DB9 connects to RS232/485/422 devices; mode switch via web page
- Indicator de putere: PWR steady on = normal; LINK flashing = network communication active
Basic Web Configuration Steps
- Set PC IP to the same segment: 192.168.1.x
- Enter default IP in browser: 192.168.1.1
- Default username / password: `admin / admin`
- Basic settings:
Modify device IP, subnet mask, gateway
Global serial config: unified baud rate / biți de date / paritate / stop bits
Serial mode: select Virtual COM / TCP Server / TCP Client / Modbus Gateway as required
3 Common Application Configuration Guides
- Virtual COM Mode (Cele mai comune)
Aplicație: Legacy serial software / SCADA software used as local COM port
- Set serial mode to Virtual COM in web page
- Install Advantech Device Manager on PC
- Search device → bind serial ports → auto assign COM3~COM20
- Use the corresponding COM number directly in SCADA or application software
- Modbus Gateway Mode (For PLC & Contoare)
Aplicație: Convert Modbus RTU to Modbus TCP for serial instruments over Ethernet
- Set serial mode to Modbus Gateway in web page
- Configure serial parameters: 9600/8N1 to match instrument
- Set slave address and polling interval
- Host access via Modbus TCP using device IP + port number
- Dual LAN Redundancy Configuration (Dual Link Anti-Disconnection)
Aplicație: Critical production lines, power grid, unattended computer rooms
- Enter Network → Redundancy in web interface
- Enable Dual LAN Redundancy
- Connect LAN1 and LAN2 to different switches respectively
- Automatic seamless switchover and no data loss if any network cable fails
Quick Troubleshooting
- Cannot access web page: Set PC IP to 192.168.1.xxx, disable firewall
- Serial communication failure: Switch RS232/485/422 mode in web page, verify baud rate and parity
- Virtual COM offline: Upgrade driver, set static device IP, avoid DHCP dynamic IP
- Dual LAN no switchover: Confirm redundancy is enabled; ensure two switches are not in the same loop
Advantech EKI-1526 Dual LAN Redundancy Full Configuration Guide
The EKI-1526 supports Master-Backup dual LAN redundancy with switchover time <1 doilea. After enabling via Web UI, it automatically detects link faults and performs seamless failover to ensure uninterrupted industrial communication.
- Dual LAN Redundancy Working Principle
The EKI-1526 is equipped with two independent Ethernet ports (LAN1/LAN2) and independent MAC addresses:
Master Port: Carries all network traffic under normal operation
Backup Port: Monitors master port status in real time and takes over only when master port fails
Switchover Mechanism: Automatically switches to backup port upon LAN link down (cable disconnection / switch failure), switchover time <1 second with no data loss
Restore Mechanism: After master port recovers, configurable for auto switch back or remain on backup port
- Hardware Connection Preparation
Recommended Topologies (Avoid Single Point of Failure)
| Connection Mode | Descriere | Scenariul aplicației |
| Dual Switch Redundancy | LAN1 to Switch A, LAN2 to Switch B; both switches connect to core network | Critical production lines, unattended rooms; prevent single switch failure |
| Single Switch Dual Port | LAN1/LAN2 connect to different ports of the same switch | Budget limited; only protect against single port / cable failure |
| Dual Network Segmentation | LAN1 for production network, LAN2 for management network; service & management isolated | Security scenarios requiring network isolation |
Hardware Wiring Steps
- Power off the device, connect serial devices and power supply
- Connect LAN1/LAN2 to switches (dual switches recommended)
- Porniți; check indicators: PWR steady on, both LAN LINK lights flashing normally
- Detailed Web Configuration Steps
- Basic Network Settings (Obligatoriu)
- Set PC static IP: 192.168.1.x (same segment as device default)
- Browser access default IP: 192.168.1.1, login: `admin/admin`
- Go to Ethernet Configuration → Ethernet 1: Set master port IP, subnet mask, gateway
- Go to Ethernet Configuration → Ethernet 2: Set backup port IP (same segment recommended, de ex. 192.168.1.2), subnet mask, gateway
- Click Save, device auto restarts (despre 1 minut)
- Enable Dual LAN Redundancy (Core Config)
- Log in Web UI again after reboot
- Enter Network → Redundancy
- Check Enable Dual LAN Redundancy
- Select Redundancy Mode:
Master-Backup (Implicit): LAN1 as master, LAN2 as backup, auto failover upon fault
Load Balance: Both ports work simultaneously for traffic sharing (supported by partial firmware)
- Set Switch Back Mode:
Auto: Automatically switch back to master after recovery (Implicit)
Manual: Stay on backup port; manual switch required after master recovery
- Set Detection Interval: Implicit 1 doilea, adjustable 500ms~10s (1s recommended)
- Click Save, redundancy takes effect immediately
- Advanced Configuration (Opțional)
| Parametru | Recommended Value | Descriere |
| Heartbeat Packet | Enable | Enable heartbeat detection for higher fault accuracy |
| Heartbeat Interval | 100Domnișoară | Heartbeat sending interval; shorter = faster detection |
| Failover Count | 3 | Switch only after 3 consecutive failures to avoid false switching |
| Link Down Detection | Enable | Physical layer link detection (cable disconnection etc.) |
- Redundancy Function Test
- Link Fault Test
- Normal status: Web Status → Network Status shows LAN1 Active, LAN2 Standby
- Unplug LAN1 cable:
Device indicator: LAN1 off, LAN2 steady on
Web status updates: LAN2 becomes Active, switchover <1s
Verify serial communication via Virtual COM / Modbus TCP, no interruption
- Reconnect LAN1 cable:
Auto Mode: LAN1 resumes Active, LAN2 becomes Standby
Manual Mode: Remain on LAN2; manual switch required in Web UI
- Switch Failure Test
- Power off the switch connected to master port
- Device switches to backup port within 1 doilea
- Restore master switch power and verify switchback works normally
- Depanare comună
| Fenomen de eroare | Cauza posibila | Soluţie |
| Cannot enable redundancy | Firmware version too old | Upgrade to latest firmware from official website |
| Communication interrupted after switchover | Wrong backup port IP | Ensure master & backup ports same segment with consistent gateway |
| Frequent false switching | Detection interval too short | Extend interval to 2s, set Failover Count to 5 |
| No auto switch back after master recovery | Switch Back Mode set to Manual | Change to Auto or switch manually in Web |
| Both LAN ports down | Network configuration conflict | Check duplicate IP and subnet mask settings |
- Configuration Mnemonic
> Three steps for dual LAN redundancy: set IP first, enable redundancy second;
> Dual switches avoid single point; always verify failover after config.
- Hardware Selection: Critical sites choose dual switches; ordinary sites choose single switch dual port
- IP Planning: Master and backup ports recommended same network segment for easy management & switchover
- Selectarea modului: Industrial control prioritizes Master-Backup; data collection can use Load Balance
- Switchback Policy: Unattended sites select Auto; manual intervention sites select Manual
- Test Validation: Perform link failover test after configuration to ensure reliable redundancy in actual faults
EKI-1526 dual LAN redundancy can be quickly configured via Web interface. The core is enabling redundancy and correctly setting master/backup IP and switchover policy. Cooperating with dual-switch topology, it effectively eliminates single-point faults in industrial networks and ensures high reliability of serial device communication. Full functional verification is recommended after deployment.
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