KROHNE OPTISONIC 3400 EN - Manual (Page 38)

4
ELECTRICAL CONNECTIONS
38
OPTISONIC 3400
www.krohne.com 11/2013 - 4002037702 - HB OPTISONIC 3400 -en-R02
4.6.4 Status output and limit switch
• The status outputs / limit switches are electrically isolated from each other and from all
other circuits.
• The output stages of the status outputs/limit switches during simple active or passive
operation behave like relay contacts and can be connected with any polarity.
• All operating data and functions can be adjusted.
• Passive mode: external power supply required:
U
ext
≤ 32 VDC; I ≤ 100 mA
• Active mode: use of the internal power supply:
U
nom
= 24 VDC; I ≤ 20 mA
• NAMUR mode: passive in accordance with EN 60947-5-6
• For information on the adjustable operating states refer to
Function tables on page 63.
INFORMATION!
Depending on the version, the status outputs and limit switches must be connected passively or
actively or according to NAMUR EN 60947-5-6! Which I/O version and inputs/outputs are
installed in your signal converter are indicated on the sticker in the cover of the terminal
compartment.
INFORMATION!
For further information refer to Connection diagrams of inputs and outputs on page 39
.
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.