Termination Of The Rs 485 Interface; Figure 5.1: Termination Of The Rs 485 Interface In The Ma 8-01 - Leuze electronic BCL 8 Series Manual

Attention!
It is absolutely necessary to connect functional earth, since all electrical interference (EM
pick-up) is discharged via the functional earth connection.
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 5.1, and cannot be switched
off.
Figure 5.1:
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5 V
Ω
390
RS 485 A
Ω
220
RS 485 B
Ω
390
GND
Termination of the RS 485 interface in the MA 8-01
Accessories / order codes
RS 485 receive/transmit data
A-line (P), pin 2
RS 485 receive/transmit data
B-line (N), pin 4
BCL 8 27