Bus Wiring Of Several Load Cells; External Power Supply - HBM C16i Series Mounting Instructions

Electrical connection
TA (TX-)
TB (TX+)
RA (RX-)
RB (RX+)
UB
GND
20
5.1

Bus wiring of several load cells

The bus wiring of several load cells come into being by
joining together the connection cables' core ends with
identical colors. HBM recommend the use of a junction
box without dropping resistors (e.g. VKK2-6).
PC
Fig. 5.1
5.2

External power supply

The load cell features a digital output with RS-485
(4-wire) interface. For the power supply an external DC
supply voltage is required.
Power supply unit selection for C16i...
Procedure for selecting a suitable power supply unit to
supply power to the interface converter and the con­
nected C16i... load cells:
A1461-2.0 HBM: public
RS-485 / 4-wire BUS
C16i ...
Wiring code
C16i ...
C16i