YASKAWA SI-P3 Technical Manual page 13

◆
Communication Cable Specifications
To ensure proper performance, Yaskawa recommends using PROFIBUS-DP-dedicated cables that fulfill the specifications in
information on cables, refer to the PROFIBUS-DP website at http://www.profibus.com.
Cable Requirements
■
Condition
Impedance
Capacity
Loop Resistance
Core Cross-Section
Core Diameter
Cable Length
■
Communication speed determines maximum permissible cable length.
Communication speed (kbps)
9.6
19.2
45.45
93.75
187.5
◆
GSD Files
For easy network implementation of drives equipped with an SI-P3, a GSD file can be obtained from:
U.S.: http://www.yaskawa.com
Europe: http://www.yaskawa.eu.com
Japan: http://www.e-mechatronics.com
Other areas: contact a Yaskawa representative
YASKAWA ELECTRIC SIEP C730600 42A YASKAWA AC Drive-Option Card PROFIBUS-DP Technical Manual
Table 5 Communication Cable Requirements
Specifications
135 to 165 Ω at a frequency of (3 to 20 MHz)
30 pF/m maximum
110 Ω/km maximum
0.34 mm minimum
2
0.64 mm minimum
Distance per segment (m)
1200
1200
1200
1200
1000
Table 6 shows the specifications for Type A bus cables.
Table 6 Cable Length
Communication speed (kbps)
500
1500
3000
6000
12000
5 Installation Procedure
Table 5. For more
Distance per segment (m)
400
200
100
100
100
13