ETH-MPI (DP)S7-300PLC Ethernet converter replaces CP5611, CP5613, CP5512 communication cards and PC adapter programming adapter - AliExpress
Amazon.com: PPI MPI Profibus to Ethernet Communication Processor Modbus TCP Converter for Siemens S7-200 S7-300 PLC : Electronics
NETL ink® PRO Compact, PROFIBUS Ethernet gateway (incl. 3 m Ethernet cable, Quick Start Guide, CD with software and manual) | Streamline Process Management
ETH-MPI Profibus to Profinet Ethernet Gateway Modbus TCP Adapter for Siemens S7-200 S7-300/400 PLC 840d Replace CP341-1 - AliExpress
MPI PPI DP To Ethernet Module Protocol Conversion Modbus TCP Is Applicable To Siemens S7-200 / 300 / 400 PLC Instead Of CP343
High-Performance S7-LAN++ MPI/PROFIBUS Gateway | AUTEM GmbH
Ethernet to MPI/DP Connector Module for Siemens S7-300 PLC replace USB-MPI/PPI | eBay
PPI MPI/DP Ethernet Connector Module for Siemens S7-200 S7-300 USB-MPI USB-PPI | eBay
ETH-MPI (DP) s7 300 Ethernet Module | AMSAMOTION
S7-LAN - Traeger GmbH
ETH-MPI (DP) s7 300 Ethernet Module | AMSAMOTION
ETH-MPI Profibus to Profinet Ethernet Adapter for Siemens S7-200/300/400 PLC 840 | eBay