
Electrical installation
Wiring of system bus (CAN)
74
EDBPM−H410 DE/EN/FR 4.1
Terminal assignment
Stop!
Connect a 120
W
terminating resistor to the first and last bus device.
Terminal
Identification
Explanation
1
V−
GND
Reference potential
2
CAN−
LO
System bus LOW (data line)
3
Shield
Connect the shield of the system bus cable
4
CAN+
HI
System bus HIGH (data line)
5
n.c.
Not connected
We recommend the use of CAN cables in accordance with ISO 11898−2:
CAN cable in accordance with ISO 11898−2
Cable type
Paired with shielding
Impedance
120
W
(95 ... 140
W
)
Cable resistance/cross−section
Cable length
£
300 m
£
70 m
W
/m / 0.25 0.34 mm
2
(AWG22)
Cable length 301 1000 m
£
40 m
W
/m / 0.5 mm
2
(AWG20)
Signal propagation delay
£
5 ns/m
Содержание EPM-H410
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Страница 103: ...Appendix Index 9 103 EDBPM H410 DE EN FR 4 1 ...
Страница 153: ...Annexe Index 9 153 EDBPM H410 DE EN FR 4 1 ...