KROHNE OPTISONIC 3400 EN - Manual (Page 52)

4
ELECTRICAL CONNECTIONS
52
OPTISONIC 3400
www.krohne.com 11/2013 - 4002037702 - HB OPTISONIC 3400 -en-R02
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.
Control input passive, Ex i I/Os
• 5.5 V ≤ U
ext
≤ 32 VDC
• I
max
= 6 mA at U
ext
≤ 24 V
I
max
= 6.5 mA at U
ext
≤ 32 V
• Switching point for identifying "contact open or closed":
Contact open (off): U
0
≤ 3.5 V with I ≤ 0.5 mA
Contact closed (on): U
0
≥ 5.5 V with I ≥ 4 mA
• X designates the connection terminals B, if available.
Figure 4-25: Pulse and frequency output passive P
N
as per NAMUR EN 60947-5-6 Exi
INFORMATION!
• Any connection polarity.
Figure 4-26: Control input passive C
p
Exi
1 Signal