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Standby supply board option
Section 13-9
13-9 Standby supply board option
The standby supply board option provides the possibility of keeping the com-
munication system up and running without having the 3-phase mains con-
nected. One advantage is that the system can be set up without mains power.
The option will also give backup for communication failure if main power is
lost.
The standby supply board option is supplied with external
±10% 24 V
DC
protected by a 2 A slow acting fuse, from a double isolated
transformer. The terminals X1:1 and X1:2 are voltage polarity independent.
The terminals A- and B+ (on size D) are voltage polarity dependent.
Fig. 120Connection of standby supply option
Order number
Description
01-3954-00
Standby power supply kit for after mounting
Table 37
X1
terminal
Name
Function
Specification
1
Ext. supply 1 External, VSD main power inde-
pendent, supply voltage for con-
trol and communication circuits
24 V
DC
±10%
Double isolated
2
Ext. supply 2
~
Must be
double
isolated
X1:1 Left terminal
X1:2 Right terminal
X1
Содержание SX-F
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Страница 58: ...50 Connecting options Section 5 6...
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