ABB AC 800M

Appendix A Hardware Units CI856 and TP856 – S100 I/O Interface
3BSE 027 941 R301 175
Functional Block Diagram
Figure 41. Block Diagram – CI856
CEX-bus interface
S100 I/O-bus interface
+5 V
+24 V
Communication Extension Unit
Communication Extension Baseplate
S100 communication cable
Communication
Extension Bus
Communication
Extension Bus
DC/DC
converter
+3.3 V
+2.5 V
ColdFire µP
MCF5307
SDRAM
8 MB
Flash
2 MB