Electrical connection
20
A1461-2.0
HBM: public
C16i
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).
UB
GND
RB (RX+)
RA (RX-)
TB (TX+)
TA (TX-)
white
red
grey
green
black
blue
GND
UB
RB (RX+)
RA (RX-)
TB (TX+)
TA (TX-)
GND
UB
RB (RX+)
RA (RX-)
TB (TX+)
TA (TX-)
Converter
(SC232/422B)
PC
C16i ...
C16i ...
RS-232
RS-485 / 4-wire BUS
white
red
grey
green
black
blue
Fig. 5.1
Wiring code
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:
Содержание C16i C3
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