Siemens AG SIMATIC S7-200/300/400 Series TCP ActiveX (Enterprise license)

This is the ActiveX Control for Siemens AG S7 TCP protocol, it support SIMATIC S7-200/300/400 CPUs, can connect both S7-200, S7-300 and S7-400 PLC all together with CP 243-1, CP243-1 IT, CP 343-1, CP343-1 IT, CP 443-1, CP443-1 IT or the CPU which support Ethernet. PlcControlSoftware.com

Taken from Plc Control Software discount