10
(2) PROFIBUS cable
The following shows the PROFIBUS cable and wiring specifications.
(a) PROFIBUS cable
Use a PROFIBUS cable that meets the following specifications
(Type A (IEC 61158-2) compliant).
(b) Wiring specifications
(3) Connector
Use a D-sub 9-pin male connector for the PROFIBUS cable.
The applicable screw size is #4-40 UNC.
Table 5.2 PROFIBUS cable specifications
Item
Transmission line
Applicable cable
Shielded twisted pair cable
Impedance
135 to 165 (f = 3 to 20MHz)
Capacity
Less than 30pF/m
Conductor resistance
Less than 110 /km
Cross-sectional area
0.34mm
2
or more (22AWG)
Figure 5.2 PROFIBUS cable wiring specifications
PROFIBUS cable
SHIELD
RxD/TxD-P (red)
RxD/TxD-N (green)
1
3
8
QJ71PB92V
