Jetter AG
Technical specifications | 4
JVM-104-O08 User Manual
12 / 44
Specification - CAN
bus cable
Category
Description
Wire cross-section
500 kBaud: 0.34 … 0.50 mm
2
250 kBaud: 0.34 … 0.60 mm
2
Cable capacitance
60 pF/m max.
Resistivity
500 kBaud: Max. 60 Ω/km.
250 kBaud: Max. 60 Ω/km.
Number of cores
2
Twisting
CAN_L and CAN_H cables are twisted pairwise
Tab. 7:
Specification - CAN bus cable
CAN interface spec-
ification
Category
Description
Baud rate
125, 250, 500 kBaud
Protocol
CANopen
®
Default node ID on
the CANopen® bus
127 (0x7F)
Terminating resistor
Does not exist.
Must be connected externally.
Cable specification
Twisted pair conductors, unshielded
Tab. 8:
CAN interface specification
Line lengths
The maximum permitted cable length depends on the baud rate used and the
number of CANopen
®
devices connected.
Baud rate
Max.
line length
Max. stub
line length
Total
line length
500 kBaud
100 m
5 m
30 m
250 kBaud
250 m
10 m
60 m
Tab. 9:
Line lengths
4.8 EMI values
The JVM-104-O08 has E1 approval according to ECE R10 Rev. 5 and CE con-
formity according to ISO 14982.
Pulses to ISO
7637-2
Test pulse
Values
Functional class
1
-450 V
C
2a
+37 V
A
2b
+20 V
C
3a
-150 V
A
3b
+150 V
A
4
Ua1: -12 V / 50 ms
Ua2: -5 V / 500 ms
A (24 V systems)
Ua1: -6 V / 15 ms
Ua2: -2.5 V / 1000 ms
C (12 V systems)
5b
Load dump, capped
70 V / 2 Ω
A
Tab. 10:
Pulses to ISO 7637-2
Irradiation to ISO
11452
Parameter
Values
Functional class
Protection against RF
noise
20 MHz ... 2 GHz 30 V/m A
Tab. 11:
Irradiation to ISO 11452
