3
ELECTRICAL CONNECTIONS
18
OPTISONIC 3400
www.krohne.com
02/2016 - 4005026101 - QS OPTISONIC3400 MID R01 en
3.1 Safety instructions
3.2 Signal cable (remote versions only)
The flow sensor is connected to the signal converter via one signal cable, with 2,4 or 6 (labeled)
inner coax cables for the connection of maximal three acoustic paths.
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Observe the national regulations for electrical installations!
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
Figure 3-1: Construction of field version
1
Signal converter
2
Open connection box
3
Tool for releasing connectors
4
Marking on cable
5
Insert cable(s) into terminal compartment
