Electrical connections – KROHNE OPTISONIC 7300 Quickstart EN User Manual
Page 11

ELECTRICAL CONNECTIONS
3
11
OPTISONIC 7300
www.krohne.com
09/2012 - 4002312801 - QS OPTISONIC 7300 R03 en
3.1 Safety instructions
3.2 Signal cable (remote versions only)
The flow sensor is connected to the signal converter via the signal cable(s). A flow sensor with 
one acoustic path, 1 cable is required. A flow sensor with two acoustic paths, 2 cables are 
required.
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 field version
1 GFC 300 F converter
2 Open connection box
3 Tool for releasing connectors
4 Marking on cable
5 Insert cable(s) into connection box
