• LS Electric NPS Modbus Protocol Gateways (NPS-50 / NPS-300)
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LS Electric NPS Modbus Protocol Gateways (NPS-50 / NPS-300)

LS Electric NPS Modbus Protocol Gateways (NPS-50 / NPS-300)

LS Electric Beyond X NPS network protocol gateways that convert between Modbus TCP, Modbus RTU and Modbus ASCII and link serial devices to Ethernet, in a 4-port DIN-rail NPS-50 and 8/16-port 19-inch 1U NPS-300.

Key features

  • Modbus TCP / RTU / ASCII mutual protocol conversion plus serial-Ethernet media conversion
  • Up to 4 simultaneous TCP channels per serial port
  • Web-browser configuration and monitoring (WEB-Console)
  • INS-VCom virtual COM port software
  • Diagnostics: frame monitor, port status, port analyzer, serial loopback, IP scan, TCP connect
  • NPS-300 R models add dual AC inputs for power redundancy

Specifications

Function Media + Modbus protocol conversion
Protocols Modbus TCP, Modbus RTU, Modbus ASCII
Ethernet channels Up to 4 per serial port
Configuration WEB-Console
CPU 32-bit, 600 MHz (50) / 1 GHz (300)
Mounting DIN rail (50); 19 in 1U rack / wall (300)
Operating temperature -10 to +60 C
Storage temperature -25 to +70 C
Humidity 5-95% RH
Certification KC, CE
Source LS Electric NTS & NPS Series catalog (2025.07), p. 4, 10-13
NPS-50-E40 Model: 50 (DIN rail) | Ethernet: 1 x 100/1000Base-T(X) | RS-232C ports: 4 | RS-422/485 ports: 0 | Power: 12-24 VDC, single
NPS-50-E22 Model: 50 (DIN rail) | Ethernet: 1 x 100/1000Base-T(X) | RS-232C ports: 2 | RS-422/485 ports: 2 | Power: 12-24 VDC, single
NPS-50-E04 Model: 50 (DIN rail) | Ethernet: 1 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 4 | Power: 12-24 VDC, single
NPS-300-E80 Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 8 | RS-422/485 ports: 0 | Power: 100-240 VAC, single
NPS-300-E44 Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 4 | RS-422/485 ports: 4 | Power: 100-240 VAC, single
NPS-300-E08 Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 8 | Power: 100-240 VAC, single
NPS-300-EF0 Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 16 | RS-422/485 ports: 0 | Power: 100-240 VAC, single
NPS-300-E88 Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 8 | RS-422/485 ports: 8 | Power: 100-240 VAC, single
NPS-300-E0F Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 16 | Power: 100-240 VAC, single
NPS-300-E80R Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 8 | RS-422/485 ports: 0 | Power: 100-240 VAC, redundant
NPS-300-E44R Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 4 | RS-422/485 ports: 4 | Power: 100-240 VAC, redundant
NPS-300-E08R Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 8 | Power: 100-240 VAC, redundant
NPS-300-EF0R Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 16 | RS-422/485 ports: 0 | Power: 100-240 VAC, redundant
NPS-300-E88R Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 8 | RS-422/485 ports: 8 | Power: 100-240 VAC, redundant
NPS-300-E0FR Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 16 | Power: 100-240 VAC, redundant
Serial Device ServersLS Electric
15 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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LS Electric NPS Modbus Protocol Gateways (NPS-50 / NPS-300)

Brand LS Electric·Serial Device Servers

Available part numbers (15)

NPS-50-E40, NPS-50-E22, NPS-50-E04, NPS-300-E80, NPS-300-E44, NPS-300-E08, NPS-300-EF0, NPS-300-E88, NPS-300-E0F, NPS-300-E80R + 5 more — see full table ↓

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Product codes & specifications
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Product codeSpec
NPS-50-E40Model: 50 (DIN rail) | Ethernet: 1 x 100/1000Base-T(X) | RS-232C ports: 4 | RS-422/485 ports: 0 | Power: 12-24 VDC, single
NPS-50-E22Model: 50 (DIN rail) | Ethernet: 1 x 100/1000Base-T(X) | RS-232C ports: 2 | RS-422/485 ports: 2 | Power: 12-24 VDC, single
NPS-50-E04Model: 50 (DIN rail) | Ethernet: 1 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 4 | Power: 12-24 VDC, single
NPS-300-E80Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 8 | RS-422/485 ports: 0 | Power: 100-240 VAC, single
NPS-300-E44Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 4 | RS-422/485 ports: 4 | Power: 100-240 VAC, single
NPS-300-E08Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 8 | Power: 100-240 VAC, single
NPS-300-EF0Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 16 | RS-422/485 ports: 0 | Power: 100-240 VAC, single
NPS-300-E88Model: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 8 | RS-422/485 ports: 8 | Power: 100-240 VAC, single
NPS-300-E0FModel: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 16 | Power: 100-240 VAC, single
NPS-300-E80RModel: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 8 | RS-422/485 ports: 0 | Power: 100-240 VAC, redundant
NPS-300-E44RModel: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 4 | RS-422/485 ports: 4 | Power: 100-240 VAC, redundant
NPS-300-E08RModel: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 8 | Power: 100-240 VAC, redundant
NPS-300-EF0RModel: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 16 | RS-422/485 ports: 0 | Power: 100-240 VAC, redundant
NPS-300-E88RModel: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 8 | RS-422/485 ports: 8 | Power: 100-240 VAC, redundant
NPS-300-E0FRModel: 300 (19 in 1U rack) | Ethernet: 2 x 100/1000Base-T(X) | RS-232C ports: 0 | RS-422/485 ports: 16 | Power: 100-240 VAC, redundant

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