Installing The Serial Communication Cable For Rs485 Spa/Iec - ABB Relion 670 Series Installation Manual

Section 6
Connecting
1
IEC03000110 V1 EN-US
Figure 49: Cable contact, Phoenix: MSTB2.5/6-ST-5.08 1757051
Where:
1
2
Drain wire
IEC07000139 V1 EN-US
Figure 50: Cross section of communication cable
The EIA standard RS-485 specifies the RS485 network. An informative excerpt is given in
section "Installing the serial communication cable for RS485
6.4.2

Installing the serial communication cable for RS485 SPA/IEC

Informative excerpt from EIA Standard RS-485 - Electrical Characteristics of Generators and
Receivers for Balanced Digital Multipoint Systems
RS-485 Wire - Media dependent Physical layer
70
is cable
is screw
Pair separator
Jacket
2
en03000110.vsd
Pair Shield
Conductor
Overall shield
Separator
en07000139.vsd
1MRK 514 026-UUS F
SPA/IEC".
Installation manual
SEMOD176342-192 v3
670 series