KROHNE OPTISONIC 3400 EN - Manual (Page 48)

4
ELECTRICAL CONNECTIONS
48
OPTISONIC 3400
www.krohne.com 11/2013 - 4002037702 - HB OPTISONIC 3400 -en-R02
Status output / limit switch passive, modular I/Os
• Any connection polarity.
• U
ext
= 32 VDC
• I ≤ 100 mA
• R
L, max
= 47 kΩ
R
L, min
= (U
ext
- U
0
) / I
max
• open:
I ≤ 0.05 mA at U
ext
= 32 VDC
closed:
U
0, max
= 0.2 V at I ≤ 10 mA
U
0, max
= 2 V at I ≤ 100 mA
• The output is open when the device is de-energized.
• X designates the connection terminals A, B or D, depending on the version of the signal
converter.
Status output / limit switch S
N
NAMUR, modular I/Os
• Any connection polarity.
• Connection in conformity with EN 60947-5-6
• open:
I
nom
= 0.6 mA
closed:
I
nom
= 3.8 mA
• The output is open when the device is de-energized.
• X designates the connection terminals A, B or D, depending on the version of the signal
converter.
Figure 4-18: Status output / limit switch passive S
p
Figure 4-19: Status output / limit switch S
N
to NAMUR EN 60947-5-6