Lenze L-force Communication ModemCAN EMF2181IB User Manual

Electrical installation
Connection of system bus (CAN)
6
EDKMF2181 DE/EN/FR/ES/IT 3.0 55

H1_E_INST-SteckerFederkraftAnschluss FKCT
Bus cable length
It is absolutely necessary to comply with the permissible cable lengths.
1. Check the compliance with the total cable length in Tab. 1.
The total cable length is determined by the baud rate.
Baud rate [kbit/s] Max. bus length [m]
20 3600
50 1400
125 550
250 250
500 110
1000 20
Tab. 1 Total cable length
2. Check the compliance with the segment cable length in Tab. 2.
The segment cable length is determined by the cable cross-section used and by the number
of nodes.Without repeaters thesegmentcablelength corresponds to thetotal cablelength.
Nodes
Cable cross-section
0.25 mm
2
0.5 mm
2
0.75 mm
2
1.0 mm
2
2 240 m 430 m 650 m 940 m
5 230 m 420 m 640 m 920 m
10 230 m 410 m 620 m 900 m
20 210 m 390 m 580 m 850 m
32 200 m 360 m 550 m 800 m
63 170 m 310 m 470 m 690 m
100 150 m 270 m 410 m 600 m
Tab. 2 Segment cable length
3. Compare both values.
If the value given in Tab. 2 is smaller than the required total cable length from Tab. 1,
repeaters must be used. Repeaters divide the total cable length into segments.

Lenze L-force Communication ModemCAN EMF2181IB Specifications

General

Brand	Lenze
Model	L-force Communication ModemCAN EMF2181IB
Category	Control Unit
Language	English