Wiring; Profibus Cable Wiring - Mitsubishi Electric Melsec Q Series User Manual

5
SETTINGS AND PROCEDURES BEFORE SYSTEM
OPERATION

5.5 Wiring

This section explains PROFIBUS cable wiring and relevant precautions.

5.5.1 PROFIBUS cable wiring

The following describes the pin assignments of the PROFIBUS interface connector on the
QJ71PB92V, the PROFIBUS cable wiring specifications, bus terminator and other
information.
(1) Pin assignments of the PROFIBUS interface connector
5
9
4
8
3
7
2
6
1
Figure 5.5 PROFIBUS Interface
Connector
5
- 9 5.5 Wiring
5.5.1 PROFIBUS cable wiring
The following shows the pin assignments of the PROFIBUS interface connector (D-
sub 9-pin female connector) on the QJ71PB92V.
Table5.6 Pin Assignments of the PROFIBUS Interface Connector
Pin No. Signal Code
1
2
3 B/B'
4
5 C/C'
6
7
8 A/A'
9
* 1 Optional signal.
* 2 Signal used to connect the bus terminator.
Name Description
*1
Shield, protective ground
SHIELD
Open
RxD/TxD-P Receive/send data-P
Open
Data Ground
*2
DGND
Voltage +
*2
VP
Open
RxD/TxD-N Receive/send data-N
Open
Cable color
Red
Green