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Advantech EKI-1221 Industrial 1-port Modbus Gateway

    Provides 2 x 10/100 Mbps Ethernet ports for LAN redundancy

    Integration of Modbus TCP and Modbus RTU/ASCII networks

    Supports up to 921.6 kbps, and any baud rate setting

    support up to 16 connections on each serial port under Modbus Client mode and 32 sessions under Modbus Server mode.

    Software selectable RS-232/422/485 communication

    Mounts on DIN-rail and Wall mount

    Supports surge protection for D.C. power ports with line to line 2 KV, and line to earth 4 KV; for signal ports with 4 KV.

    Built-in 15 KV ESD protection for all serial signals

    Automatic RS-485 data flow control

EKI-1221-CE EKI-1221I-CE EKI-1221CI-DE
Certification EMC CE, FCC CE, FCC CE, FCC
Certification EMI EN 55011/ EN 55032 Class A, EN 61000-6-4, FCC Part 15 Subpart B Class A EN 55011/ EN 55032 Class A, EN 61000-6-4, FCC Part 15 Subpart B Class A EN 55011/ EN 55032 Class A, EN 61000-6-4, FCC Part 15 Subpart B Class A
Certification EMS EN 61000-4-2 (Level 4), EN 61000-4-3 (Level 3), EN 61000-4-4 (Level 4), EN 61000-4-5 (Level 4), EN 61000-4-6 (Level 3), EN 61000-4-8 (Level 4), EN55024 EN 61000-4-2 (Level 4), EN 61000-4-3 (Level 3), EN 61000-4-4 (Level 4), EN 61000-4-5 (Level 4), EN 61000-4-6 (Level 3), EN 61000-4-8 (Level 4), EN55024 EN 61000-4-2 (Level 4), EN 61000-4-3 (Level 3), EN 61000-4-4 (Level 4), EN 61000-4-5 (Level 4), EN 61000-4-6 (Level 3), EN 61000-4-8 (Level 4), EN55024
Certification Freefall IEC 60068-2-32 IEC 60068-2-32 IEC 60068-2-32
Certification Safety IEC/EN 60950-1, UL 62368, Class 1 Division 2, IECEx, ATEX IEC/EN 60950-1, UL 62368, Class 1 Division 2, IECEx, ATEX IEC/EN 60950-1, UL 62368, Class 1 Division 2, IECEx, ATEX
Certification Shock IEC 60068-2-27 IEC 60068-2-27 IEC 60068-2-27
Certification Vibration IEC 60068-2-6 IEC 60068-2-6 IEC 60068-2-6
Environment Operating Temperature -10 ~ 60°C (14 ~ 140°F) -40 ~ 75°C (-40 ~ 167°F) -40 ~ 75°C (-40 ~ 167°F)
Environment Storage Temperature -40 ~ 85°C (-40 ~ 185°F) -40 ~ 85°C (-40 ~ 185°F) -40 ~ 85°C (-40 ~ 185°F)
Ethernet Communication Ethernet Standard IEEE 802.3 , 802.3ab , 802.3u IEEE 802.3 , 802.3ab , 802.3u IEEE 802.3 , 802.3ab , 802.3u
Ethernet Communication RJ-45 Port Connector Type RJ-45 RJ-45 RJ-45
Ethernet Communication RJ-45 Port Number 2 2 2
Ethernet Communication RJ-45 Transmission Speed 10/100 Mbps 10/100 Mbps 10/100 Mbps
Mechanism Dimensions (W x H x D) 36.6 x 140 x 95 mm (1.44 x 5.51 x 3.74 in.) 36.6 x 140 x 95 mm (1.44 x 5.51 x 3.74 in.) 36.6 x 140 x 95 mm (1.44 x 5.51 x 3.74 in.)
Mechanism Enclosure (Metal) Metal with solid mounting hardware Metal with solid mounting hardware Metal with solid mounting hardware
Mechanism IP Rating IP30 IP30 IP30
Mechanism Mounting (DIN-rail) Yes Yes Yes
Mechanism Mounting (Wall) Yes Yes Yes
Mechanism Weight 0.472 kg 0.48 kg 0.472 kg
Power Power Consumption 3.2W 3.2W 3.2W
Power Power Operating Current 0.7A @ 24 V 0.7A @ 24 V 0.7A @ 24 V
Power Power Input (DC) 12 ~ 48 VDC, redundant dual inputs 12 ~ 48 VDC, redundant dual inputs 12 ~ 48 VDC, redundant dual inputs
Power Redundant Dual Inputs Yes Yes Yes
Serial Communication RS-232 Yes Yes Yes
Serial Communication RS-422 Yes Yes Yes
Serial Communication RS-485 Yes Yes DB9 male
Serial Communication Serial Port Connector Type DB9 male DB9 male 1
Serial Communication Serial Port Number 1 1 Serial to Ethernet 2 kV; Serial to Power 2 kV; Ethernet to Power 1.5 kV
Protection Port to Port Isolation - - Present
Protection Reverse Polarity Present Present 50 ~ 921.6 Kbps
Software Baud Rate 50 ~ 921.6 Kbps 50 ~ 921.6 Kbps Windows utility, Web Browser
Software Configuration Windows utility, Web Browser Windows utility, Web Browser Windows XP/7/8.1/10, Windows Server 2003/2008/2012/2016/2019, and Linux
Software Driver Windows XP/7/8.1/10, Windows Server 2003/2008/2012/2016/2019, and Linux Windows XP/7/8.1/10, Windows Server 2003/2008/2012/2016/2019, and Linux Modbus RTU Client/Server, Modbus ASCII Client/Server
Software Operation Mode Modbus RTU Client/Server, Modbus ASCII Client/Server Modbus RTU Client/Server, Modbus ASCII Client/Server Yes
Protocol Support Modbus TCP Yes Yes Yes
Protocol Support Modbus RTU Yes Yes Yes
Protocol Support Modbus ASCII Yes Yes Yes
Protocol Support Ethernet Yes Yes 5 years
Warranty Warranty Period 5 years 5 years
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