Festo CECX-X-C1 Series User Manual

System manual CECX / PROFIBUS Slave interface module CECX-F-PB-S-V1
CECX-II 26-5
26.5 Connections and wiring
26.5.1 PROFIBUS interface
26.5.1.1 Connection example
D-SUB 9-pin
male connector
+5 V
GND
6
3
8
5
390E
215E
390E
390E
215E
390E
6
3
8
5
+5 V
GND
A-line
B-line
GND
D-SUB 9-pin
male connector
1
5
6
9
1
5
6
9
front
view
front
view
Connection cable with connection plug for PROFIBUS-DP
26.5.1.2 Pin assignment
PROFIBUS D-SUB male connector, front view
PIN-No. Name Additional information
3 RS-485-A: B-line
5 GND Galvanic isolation
6 +5V Galvanic isolation
8 RS-485-A: A-line
26.5.1.3 Cable specification
The bus line is specified according to IEC 50170 as cable type A with the
following properties:
Type: Twisted pair cable, shielded
Characteristic impedance: 135 Ω - 165 Ω
Capacity load: < 30 pF/m
Loop impedance: 110 Ω/km
Wire dimensions: 0.64 mm
Wire cross section: > 0.35 mm
2

Festo CECX-X-C1 Series Specifications

General

Brand	Festo
Model	CECX-X-C1 Series
Category	Controller
Language	English