2 wiring with a host (master), Wiring with a host (master), Installation – Lenze E82ZAFIC010 User Manual
Page 20: Specification of the transmission cable
Installation
Electrical installation
Wiring with a host (master)
l
20
EDS82ZAFIC EN 2.0
5.2.2
Wiring with a host (master)
GG
+
E82ZAFICxxx
GG
+
E82ZAFICxxx
GG
+
E82ZAFICxxx
400 m
400 m
1
2
2
2
3
3
3
E82ZAFI008
No.
Element
Description
1
Host
E.g. PC or PLC with INTERBUS master interface module
2
Bus cable
Connects the INTERBUS master interface module to the function modules.
3
INTERBUS slave
Applicable standard device (
l
Set DIP switch S1 (
^ 29):
– Setting for the last node = OFF
– Setting for all other nodes = ON
Specification of the transmission cable
General characteristics
Cable type
Sold by the meter,
(e.g. PHOENIX CONTACT: IBS RBC Meter−T, Order No. 28 06 28 6)
Number of conductors
3 × 2, twisted pairs, with shared shield
Conductor cross−section
> 0.2 mm
2
DC cable resistance
< 96
W/km
Impedance (characteristic)
l
120
W ± 20 % (f = 64 kHz)
l
100
W ±15 W (f > 1 MHz)
Capacitance per unit length
< 60 nF/km (f = 800 Hz)