Ca306_01d_oi_e.doc / Apr-16
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Both extreme ends of the CAN network must be terminated by a 120 Ohms resistor. The shield
must be connected to earth potential.
120 Ohms
120Ohms
Schirm /
CAN+ CAN- GND
CAN+ CAN- GND
CAN+ CAN- GND
Erster Busteilnehmer
First network participant
Last network participant
Letzter Busteilnehmer
Shield
5.
Setting of the network Baud rate and sign
Depending on the Baud rate, the following maximum cable length must not be exceeded:
maximum cable length
Baud rate (kbit / s)
50
125
250
500
1000
Cable length (m)
1000
550
250
110
25
Setting the baud rate uses positions 1 to 3 of the 4-position DIL switch on the rear:
4
1 2 3
1 2 3 4 5 6 7 8
GND G
C-
C+
0 0 0
1 0 0
0 1 0
1
1
1
1
1
1
1
1
1 1 0
0
0
0
0
=
=
=
=
=
=
=
=
Baud
Baud
Baud
Baud
Baud
Baud
Baud
Baud
1 000 k
500 k
250 k
125 k
50 k
20 k
20 k
20 K
4
1 2 3
"0"
"1"
=
=
OFF
ON
ON
OFF
Beispiel
Example
:
:
500 k Baud