KROHNE DK 46 I-DK 47 I EN - Manual (Page 14)

4
ELECTRICAL CONNECTIONS
14
DK46I - DK47I
www.krohne.com 08/2008 • 4000360001 MA DK46I-47I-R01-en
Electrical connections
4.1 Safety instructions
4.2 Limit switches
The flowmeter can be equipped with a maximum of two limit switches
Type RC...-N3 and RB...-E2 with bistable function
Type RC...-N0 with monostable function
Function monostable: Switching pulse by transit of the float in the operating point, independently
of the moving direction.
Function bistable: Stable changeover by transit of the float through the operating point.
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 national installation regulations!
WARNING!
Observe the regional occupational health and safety regulations without fail. Only work on the
device electrics if you are appropriately trained.
NOTE!
Please check on the device nameplates, that the device is supplied according to your order.
Check for the correct mains voltage printed on the nameplate. If not, contact your local
representative for advice.
Example: Float above limit: output "High"
Float below limit: output "Low"
MA_DK46I_47I_R01_en_PRT.book Page 14 Tuesday, August 5, 2008 7:03 AM