User guide

ELECTRICAL CONNECTIONS 4
23
OPTISONIC 7300 / 8300
www.krohne.com05/2012 - 7312262200 - AD EX OPTISONIC 7300/8300 R02
Figure 4-1: Electrical connections of converter
1 Mains supply connections
2 I/O connections
Terminals Function, electrical data
L, N
100...230 VAC, +10% / -15%, 22 VA, 50/60 Hz
Internal fuse protection I
N
≤ 0.8 A
U
m
= 253 V
Connections for mains supply, always non-Ex i
L+, L- 12...24 VDC, +30% / -10% (short periods -25%), 12W
Internal fuse protection I
N
≤ 2.0 A
U
m
= 253 V
24 VACDC, 22 VA / 12W
24 VAC, +10% / -15%, 50/60 Hz
24 VDC, +30% / -25%
Internal fuse protection I
N
≤ 2.0 A
U
m
= 253 V
Connections for mains supply, always non-Ex i
Connection to protective extra low voltage (PELV)
A, A-, A+
B, B-
C, C-
D, D-
Connections for signal I/Os (PELV circuits), non-“Ex i” or “Ex i”,
are dependent on the specific version of the GFC 300
converter ordered. Consult the tables with CG36 numbers for
details.