Chapter 6 Wiring; Connectors - Mitsubishi Electric MELSEC iQ-R Series User Manual

6
WIRING
6.1

Connectors

Wiring for PROFIBUS cable
This section describes the pin assignment of the PROFIBUS-DP interface connector of the RJ71PB91V, wiring specifications
of the PROFIBUS cable, and the bus terminator.
■Pin assignment of the PROFIBUS-DP interface connector
The following table shows the pin assignment of the PROFIBUS-DP interface connector (D-sub 9-pin female connector).
Pin assignment
(9)
(8)
(7)
(6)
*1 Optional signal
*2 Signal used for connecting a bus terminator
6 WIRING
32
6.1 Connectors
No. Signal code

(1)

(2)
(3) B/B'

(4)
(5)
(5) C/C'
(4)

(6)
(3)
(7) 
(2)
(8) A/A'
(1)

(9)
Name Application
*1
SHIELD Empty
*1
M24V Empty
RxD/TxD-P Receive/send data-P
*1
CNTR-P Empty
*2
DGND Data ground
*2
VP Voltage+
*1
P24V Empty
RxD/TxD-N Receive/send data-N
*1
CNTR-N Empty
Cable color


Red




Green
