Detailed Circuit Description - Veesta World V-RTU2000 Series Technical Information

V-RTU2000 Series
Veesta - Remote Terminal Unit
Technical Specification Manual
3.2.1

Detailed Circuit Description

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The basic functions of backplane are as listed below:
 Buffering the required power of Logical Cards (DC 5V).
 Buffering the required power for the Relay on DO, HDO Cards
(DC 24V ).
 Providing communication line for LIOC Communication
 Providing the "Addressing" of Logical Cards
The backplane provides 3 kinds of slot for connecting different cards.
 Power Slot (x 1): DC 5V & 24V PS Card
 CPU Slot
(x 1): CPU Card (main)
 I/O Slot
(x N) : I/O Cards or CM Cards or IO CPU Cards
Block diagram of Backplane is shown in Figure 3-1:
Chapter 3 - Main Unit
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