Electrical Connection; Connection In A 4-Wire Configuration - Hbk Hbm Rtn Montageanleitung

5

ELECTRICAL CONNECTION

The following can be connected for measurement signal conditioning:
S
Carrier-frequency amplifiers
S
DC voltage amplifiers
that are designed for strain gage measurement systems.
If rubber-metal bearings are used, the construction is insulated against the foundation.
Here, please pay attention to DIN/VDE 0100, Part 410 as regards the necessary potential
equalization.
5.1

Connection in a 4-wire configuration

Load cell RTN...
(4-wire configuration)
Fig. 5.1 Cable assignment of RTN...
Electrical and magnetic fields often induce interference voltages in the measuring circuit
(also see section 5.5 "EMC protection").
Notice
Do not open the screwed cable gland on the load cell under any circumstances; if it is
opened inadvertently, the load cell must be sent to the factory for repair.
10
Bridge excitation voltage (+)
(black)
Sensing element (+)
(red)
Signal (+)
Bridge excitation voltage (-)
(blue)
Sensing element (-)
(white)
Signal (-)
(yellow)
Shield
Extension cable
(6-wire configuration)
Measuring amplifier/weighing
electronics
(6-wire configuration)
ELECTRICAL CONNECTION
RTN