271
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
Страница 2: ......
Страница 14: ...6 Table of contents...
Страница 20: ...12 Glossary Section 1 6...
Страница 32: ...24 Cabinet mounting Section 2 3...
Страница 58: ...50 Connecting options Section 5 6...
Страница 72: ...64 Load Monitor and Process Protection 400 Section 7 5...
Страница 74: ...66 EMC standards Section 8 1...
Страница 266: ...258 System Data 900 Section 11 9...
Страница 274: ...266 Maintenance Section 12 3...
Страница 284: ...276 Liquid cooling Section 13 12...