4
ELECTRICAL CONNECTIONS
78
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
Pulse and frequency output passive P
N
NAMUR, Exi I/Os
•
Connection in conformity with EN 60947-5-6
•
open:
I
nom
= 0.43 mA
closed:
I
nom
= 4.5 mA
•
X designates the connection terminals B or D, depending on the version of the signal
converter.
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
INFORMATION!
•
For frequencies above 100 Hz, shielded cables are to be used in order to reduce radiation
from electrical interferences (EMC).
•
Compact and field housing versions:
Compact and field housing versions:
Compact and field housing versions:
Compact and field housing versions: Shield connected via the cable terminals in the terminal
compartment.
Wall-mounted version:
Wall-mounted version:
Wall-mounted version:
Wall-mounted version: Shield connected using 6.3 mm / 0.25" push-on connectors
(insulation to DIN 46245) in the terminal compartment.
•
Any connection polarity.
Figure 4-45: Pulse and frequency output passive P
N
as per NAMUR EN 60947-5-6 Exi
.book Page 78 Wednesday, June 10, 2009 4:20 PM