Infranor XtrapulsPac - Connection to an Absolute Hiperface DSL Encoder: X1 - Sub D 15 Pin Female Connector

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Chapter 4 - Connections
XtrapulsPac Installation Guide
4.3.6 - Connection to an absolute Hiperface DSL® encoder: X1 - Sub D 15 pin
female connector
The two wires for Hiperface DSL® communication are integrated into the motor cable:
Hiperface DSL® cable specifications:
Property
Min
Typical
Max
Unit
Length
25
m
Characteristic impedance @ 10 MHz
100
110
120
Ω
DC-loop resistance
0.1
Ω/m
Velocity ratio
0.66
c
Propagation delay
5
ns/m
Cut-off frequency
25
MHz
Maximum current per conductor
0.2
A
Operating temperature
-40
125
°C
Suggested cross-section of the integrated cable:
Motor brake wire shielding
Motor brake wire
Cable sheath
Outer shield
PE wire
Extender
Motor wire
Hiperface DSL® encoder wires
shield
Hiperface DSL® encoder wires,
twisted pair
The shield as well as a proper ground connection have a significant impact on the
DSL-connection performance and may be considered as its key factor.