Jetter JVM-407B-HMI, User Manual

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50 Jetter AG
4 Mounting and installation of the JVM-407B
CAN bus cable - Specification
Wire up Jetter AG CANopen® devices in accordance with the following
diagram.
O
U
T_
C
A
N
_H
CAN_H
CAN_H
CAN_L
CAN_L
O
U
T_
C
A
N
_H
O
U
T_
C
A
N
_H
IN
_C
A
N
_H
IN
_C
A
N
_H
IN
_C
A
N
_H
IN
_C
A
N
_L
IN
_C
A
N
_L
IN
_C
AN
_L
O
U
T_
C
A
N
_L
O
U
T_
C
A
N
_L
O
U
T_
C
A
N
_L
120 Ohm
120 Ohm
1
2
Number Description
1 CAN bus
2 Jetter AG CANopen® devices
There is an option to enable a resistor in the device as a bus termination
resistor of 120 Ohm.
The stub length with this type of wiring is almost zero.
The CAN_L and CAN_H cables must be twisted together and shielded.
Parameter Description
Core cross-sectional area 1000 kBaud: 0.25 … 0.34 mm
2
500 kBaud: 0.34 … 0.50 mm
2
250 kBaud: 0.34 … 0.60 mm
2
125 kBaud: 0.50 … 0.60 mm
2
Cable capacitance 60 pF/m max.
Resistivity
1000 kBaud: 70 Ω /km max.
500 kBaud: 60 Ω /km max.
250 kBaud: 60 Ω /km max.
125 kBaud: 60 Ω /km max.
Number of cores 2
Shielding Complete shielding, no paired shielding
Twisting Core pairs CAN_L and CAN_H are twisted
Diagram of the CAN bus
wiring
Specification - CAN bus
cable