BL201 PROFINET coupler supports standard PROFINET I/O Device communication. Support RT real-time communication, the minimum period of RT real-time communication is 1ms. The PROFINET I/O coupler supports a maximum input of 1440 bytes, a maximum output of 1440 bytes, and supports 32 extended I/O modules.
PROFINET I/O Coupler BL201 integrates a Network controller for fieldbus and Real-Time Ethernet slaves, suitable for creating a high-speed, stable and reliable Industrial Real-Time Ethernet networks and profinet fieldbus network. 
PROFINET I/O System is an ideal solution for production and process automation. The I/O system consists of 2 parts: PROFINET I/O Controller, PROFINET I/O modules.

Wide variety of PROFINET I/O modules available for automation application. Up to 32 I/O modules with PROFINET I/O controller in any combination.

Maintenance free
Chassis-based I/O system
CAGE CLAMP installation