![Leuze electronic 50038948 Скачать руководство пользователя страница 32](http://html.mh-extra.com/html/leuze-electronic/50038948/50038948_original-operating-instructions_1883900032.webp)
Accessories/order codes
30
BCL 8
Leuze electronic
The BCL 8 is connected to the MA 8
-
01 via the connection cable KB 008-1000/2000/3000
(AA/AR). The voltage supply is connected via the PWR IN HOST/RS485 socket.
5.3.4
Termination of the RS 485 interface
A permanently installed termination network is present in the MA 8
-
01. The network termi
-
nates the outgoing RS 485 data interface, as shown in Figure 5.2, and cannot be switched
off.
Figure 5.2: Termination of the RS 485 interface in the MA 8
-
01
ATTENTION!
It is absolutely necessary to connect the functional earth, since all electrical interference
(EMC coupling) is discharged via the functional earth connection.
5 V
GND
390
Ω
390
Ω
220
Ω
RS 485 A
RS 485 B
RS 485 receive/transmit data
A-line (P), PIN 2
RS 485 receive/transmit data
B-line (N), PIN 4
UM_BCL8_de_50040581.book Seite 30 Montag, 24. Februar 2020 9:53 09