4 Installation and Connection
18
4.4.2 Unbalanced
Inputs
Fig. 6: Unbalanced
input stage
Table 2: Standard val-
ues for Rv and 2 x Rv
VDC
Rv
2 x Rv*
12 V ±2 V
330
Ω
680
Ω
24 V ±4 V
680
Ω
1,200
Ω
48 V ±4 V
3,300
Ω
6,800
Ω
* In order to satisfy the IEC 61938 symmetry requirement,
make sure the actual values of the two resistors 2 x Rv
do not differ by more than 0.5%!
4457_09_AKG_BDA_GN-Compact_ps 10.09.2009 11:53 Uhr Seite 18