Mitsubishi Electric Melsec Q Series User Manual page 164

5
SETTINGS AND PROCEDURES BEFORE SYSTEM
OPERATION
(4) Wiring specifications for bus terminator
(5) PROFIBUS equipment
5
- 11 5.5 Wiring
5.5.1 PROFIBUS cable wiring
When the QJ71PB92V is a terminal station, use a connector with built-in bus
terminator that meets the following wiring specifications.
RxD/TxD-P (3)
RxD/TxD-N (8)
DGND (5)
Figure 5.7 Wiring Specifications for Bus Terminator
The PROFIBUS cables, connectors and other PROFIBUS equipment must be
purchased or obtained at user's discretion.
For details on PROFIBUS equipment, access the following website.
• PI: www.profibus.com
VP (6)
R
u
R
t A
R
d
390 2 , min1/4W
220 2 , min1/4W
390 2 , min1/4W