6GK1561-1AA01 communications processor CP 5611 A2 PCI card (32-bit; 3.3/5V; 33/66 MHz) for connection of a PG or PC with PCI bus to PROFIBUS or MPI (no Windows 9x support!) currently only 32-bit support with SIMATIC NET V8.2 software
PROFIBUS OLM/G12-1300 V4.0 optical link module with 1 RS 485 and 2 glass fiber optic cable interfaces (4 BFOC sockets), 1300 Nm shaft length for large distances with signaling contact and test port.
6GK1503-3CB00 Siemens PROFIBUS OLM/G12 V4.0 Optical
Link Module with 1 RS485 and 2
glass FOC interfaces (4 BFOC
sockets) for standard Distances
up to 2850 m, with signaling
contact and measuring output