Hardware Structure; Fig. 6-12 Aui Module Block Diagram; Fig. 6-13 Aui Connector Pin Assignment - ABB AC 800F Mounting And Installation Instructions Manual

6
6.5.2

Hardware structure

The AUI module EI 812F comprises the following hardware components:
•
LAN controller/coprocessor, adapted to Intel RISC-CPU
32-bit data bus, 32-bit address bus, DMA, interrupt
•
Serial interface/Manchester encoder for generating a serial bit stream
•
EEPROM for configuration data.
•
Regulated 12V power supply for AUI interface
•
Isolator for electrical isolation of the bus signals
•
Buffer battery holder with polarity reversal protection and monitoring circuit
•
15-pin SUB-D socket with slide lock for AUI interface
Block diagram
Fig. 6-12 AUI module block diagram
Connector pin assignment
AUI socket
Functional Description of the Ethernet Modules

Fig. 6-13 AUI connector pin assignment

6-25