Product Short Description

  • Product Type:​ Industrial Ethernet VPN router for remote maintenance (REX 300 family)
  • WAN Interface:​ Integrated analog modem (56 kbps V.92, RJ-12)
  • VPN:​ Built-in firewall + VPN tunnel via myREX24 portal
  • LAN Interface:​ 1 × 10/100 Mbps Ethernet (RJ45)

Description

  • Fieldbus Interface:​ MPI/PROFIBUS (up to 12 Mbps) for direct S7-300/S7-400 connection
  • Serial Interface:​ RS-232 / RS-485 (RJ45 socket)
  • USB:​ USB 2.0 host for firmware update & local configuration
  • I/O Manager:​ Can read & store up to 256 PLC variables for remote monitoring
  • Redundancy:​ Multi-WAN management (e.g., WAN + analog dial-up failover)
  • Power Supply:​ 24 VDC (10–30 VDC operating range)
  • Current Draw:​ Max. 500 mA @ 24 VDC
  • Operating Temperature:​ 0 °C to +50 °C
  • Humidity:​ 95 % r.H. non-condensing
  • Protection Rating:​ IP20
  • Certifications:​ CE, RoHS, REACH
  • Dimensions:​ 125 × 40 × 128 mm (D × W × H), ~300 g
  • Core Features:
    • Secure remote access to PLC, HMI, IP cameras
    • Free VPN routing via myREX24
    • Integrated firewall — only authenticated users gain access
    • Serial-over-IP for incorporating legacy serial devices into remote maintenance
  • Application:​ Remote servicing & tele-maintenance of Siemens-controlled machinery, industrial IoT gateway
  • Installation:​ DIN-rail mount inside control cabinet (IP20 — not for direct environmental exposure); configure VPN via myREX24 V2 portal.

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