Manual

CP346 Rear I/O Modules

P R E L I M I N A R Y

5.2.2 Module Front Panel Interfacing

The optoisolated rear I/O module CP-RIO3-46-OPT is equipped with a 50-pin, dual row, female

D-Sub connector comprising the signals of serial I/O channels 0 to 3. The pinouts of the D-Sub

connector are shown in the following table.

Figure 5-9: Orientation and Pinouts of the CP-RIO3-46-OPT

Serial I/O Connector

Warning!

Where signals are not indicated in the

below table, please do not connect external

wiring to the connector pins. Failure to

comply may result in damage to your board.

Table 5-4: Pinout of 50-Pin Female High-Density D-Sub Connector

RS485

HALF

DUPLEX

PIN CHNL PIN

RS485

HALF

DUPLEX

RS485

HALF

DUPLEX

PIN CHNL PIN

RS485

HALF

DUPLEX

TRxD+ 1

26 TRxD- TRxD+ 13

38 TRxD-

— 2 27 — — 14 39 —

— 3 28 — — 15 40 —

— 4 29 — — 16 41 —

— 5 30 — — 17 42 —

GND 6 31 — GND 18 43 —

TRxD+ 7

32 TRxD- TRxD+ 19

44 TRxD-

— 8 33 — — 20 45 —

— 9 34 — — 21 46 —

—10 35— —22 47 —

—11 36— —23 48 —

GND 12 37 — GND 24 49 —

—25 50 —