8
DTR_314-05-01-001_EN_a
5.2
List of connectors of the display controller board
Table 3 lists the controller connectors (Fig. 5, det. B) in RM-470 remote display. The connectors can be accessed
by pulling out the controller board drawer, without opening the entire device, or removing any connections or
parts. LED modules (Fig. 5, det. D) are fixed to the back cover (Fig. 5, det. C).
det. A
– device front;
det. B
– controller;
det. C
– back cover;
det. D
– LED modules
Fig. 5
NOTICE!
The housing should be disassembled only when the power supply is disconnected.
ST
AN
D
A
R
D
4
Interface / Function
Connector
markings
Notes
RS-232
RA
The RXD line of the RS-232 interface should be connected
with the weighing indicator TXD output
RK
GND line of the RS-232 interface
0/20mA (CL) digital
current loop
CA
CL line of the current loop. The line should be connected with
the weighing indicator TXD output
CK
GND line of the current loop interface
RS-485 RS-422
A
RS-485 and RS-422 interface non-inverting line
B
RS-485 and RS-422 interface inverting line
GND
GND line of the RS-485 and RS-422 interfaces for use at risk of
a significant difference in the potentials of the display mass
and the weighing indicator mass
Ethernet
ETH
RJ-45 socket
Table 1
4
All connectors are available as standard on the PCB controller.