Connection for the can bus, Installation, Electrical installation connection for the can bus – Lenze EMF2181IB User Manual
Page 24: 5 connection for the can bus, Assignment of the sub−d plug connector
Installation
Electrical installation
Connection for the CAN bus
l
24
EDSMF2181IB EN 3.0
5.2.5
Connection for the CAN bus
2181FEW001K
Assignment of the Sub−D plug connector
View
Pin
Assignment
1
6
5
9
1, 4, 5, 6, 8, 9
−
2
CAN−LO
3
CAN−GND
7
CAN−HI
Between CAN_LOW and CAN−HIGH the CAN bus has to be terminated by resistors (120
W).
The Sub−D plug with an integrated terminating resistor (order no. EWZ0046, not included
in the scope of supply) complies with the recommendation DS 102−1 of CiA.
L
EW
Z0046
OF
F
ON
OFF
ON
ON
OFF
р
р
р
р
OUT
IN
IN
IN
On
Off
On
120
120
120
L
EWZ0046
L
EWZ0046
L
EWZ0046
2181FEW004
Specification of the transmission cable
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 mW/m / 0.25 0.34 mm
2
(AWG22)
Cable length 301 1000 m
£ 40 mW/m / 0.5 mm
2
(AWG20)
Signal propagation delay
£ 5 ns/m