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F08 Installation & Programming Manual
Document No: LT0082
FIP Installation
2.4.4
FIELD SUPPLY CONNECTIONS
The F08 FIP Main Board provides two types of fused power outputs.
(a)
Terminals labelled "+VB" provide 27.3 VDC supply output, which is battery backed.
"+VB" terminals are fused by F2.
(b)
Terminals labelled "+VNB" provided a non-battery backed 27.9 VDC supply output.
"+VNB" terminals are fused by F3.
The total load current available from "+VB" and "+VNB" is 1.5 Amps. This excludes the panel
and battery charging currents.
A block diagram of the fused power outputs is shown in Figure 2.5.
FUSE
┌──────┐
┌──────────────┤
F3
├────────
VNB
│
└──────┘
27.9 VDC
────────────┐
│
1.5A
30 VAC
│
│
─────────┐
│
│
│
│
│
┌─────┴──┴─────┐
│
FUSE
│
│
│
┌──────┐
│
REGULATOR
├────┴───┤
├───┬───┤
F2
├────────
VB
│
│
│
└──────┘
27.3 VDC
└──────────────┘
│
1.5A
2A CURRENT
│
LIMITED
│
│
│
│
┌──────────────┐
│
│
│
│
│
BATTERY 24 VDC
├───────────────┘
│
│
└──────────────┘
Figure 2.5
Block Diagram of F08 Power Supply
Page 2-10
24 March 2006
Issue 3.04
Содержание F08
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