FC200x – PCI cards for Lightbus

Hardware

As a Lightbus PCI interface card (in short Lightbus card), the FC200x realizes the connection of the Lightbus to the PC, and therefore provides access for TwinCAT to the sensors and actuators in the automation process. The FC2002 Lightbus card can operate two optical fiber rings. In logical terms, it behaves like two FC2001 cards, i.e. the FC2002 contains two sets of components for the optical fiber ring.

 

Lightbus card components

 
 FC200x-100
Lightbus card components

1. PCI bus interface

11. Lightbus output for connecting the outgoing optical fiber for optical fiber ring A

12. Lightbus input for connecting the return optical fiber for optical fiber ring A

13. Three LEDs for status display for optical fiber ring A

14. Lightbus-LCA for optical fiber ring A

15. 4 KB DP-RAM for optical fiber ring A

16. 512 KB RAM (4 x 128 KB) for optical fiber ring A

17. 256 KB Flash for optical fiber ring A

21. Lightbus output for connecting the outgoing optical fiber for optical fiber ring B

22. Lightbus input for connecting the return optical fiber for optical fiber ring B

23. Three LEDs for status display for optical fiber ring B

24. Lightbus-LCA for optical fiber ring B

25. 4 KB DP-RAM for optical fiber ring B

26. 512 KB RAM (4 x 128 KB) for optical fiber ring B

27. 256 KB Flash for optical fiber ring B

The hatched components for optical fiber ring B are not populated on the FC2001.

 
 

Status display

Each Lightbus channel has 3 status LEDs.

 FC200x_LEDs
Status displays
1.
Optical Err (Lightbus error):
–
If a defect in the optical fiber ring occurs during operation, the red LWL Err LED is activated.
–
If the optical fiber error is of a general nature, the LWL Err LED flashes.
–
If the error has occurred during the resident address test, the LWL Err LED is on continuously.
The update of the process image is interrupted.
The diagnostic functions can be used to determine the cause of the error.
2.
CPU Err (CPU error):
–
If only the red CPU Err LED is on, this indicates a hardware error that cannot be corrected.
–
If the Run LED is also on, a program error is present that may potentially be rectified through a hardware reset.
3.
Run:
–
If only the green Run LED is on, the FC200x was initialized without errors and is ready for operation.