Siemens 6GK5804-0AP00-2AA2 SCALANCE M804PB PROFIBUS/MPI VPN Router 24V DC Industrial Router

The Siemens 6GK5804-0AP00-2AA2 SCALANCE M804PB is a VPN and firewall router that connects a PROFIBUS or MPI programmable controller to an Ethernet network for secure remote access. It supports 20 simultaneous IPsec or OpenVPN tunnels, integrates a 2-port Ethernet switch and NAT/NAPT address translation, and runs from a 10.8-28.8 V DC supply drawing 0.25 A typical at 24 V.

Technical Specifications

Certifications & Standards

• EPD

Selection Notes

The PB suffix identifies the PROFIBUS/MPI variant of this M804 router: the built-in RS485 SUB-D interface bridges an S7-300 or S7-400 PROFIBUS or MPI segment directly onto the VPN tunnel, so no separate PROFIBUS-to-Ethernet gateway is needed. With 20 concurrent IPsec/OpenVPN connections, a 2-port internal switch, and 1 digital input plus 1 digital output for local status signaling, it suits a single remote machine or control cabinet where a technician needs secure dial-in access to an existing PROFIBUS/MPI network, including connection to SINEMA RC for centralized remote-access management.