KROHNE OPTISONIC 7300 EN - Manual (Page 50)

4
ELECTRICAL CONNECTIONS
50
OPTISONIC 7300
www.krohne.com 09/2012 - 4001102303 - MA OPTISONIC 7300 R03 en
Pulse and frequency output passive P
N
NAMUR, Ex i I/Os
• Connection acc. to 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 effects 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 4-26: Pulse and frequency output passive P
N
as per NAMUR EN 60947-5-6 Exi