Emerson 2402 - Page 15

Introduction
Parameter
x.00
Parameter
description format
Keypad and
display
Serial
communications
CT Modbus
RTU
PLC Ladder
programming
CTSoft Menu 0
Advanced parameter
descriptions
Commander SK Advanced User Guide 15
Issue Number: 9 www.controltechniques.com
Figure 5-1 Serial communications connection diagram
Cable shown is shielded, 8 core, twisted pair, one to one, RJ45 to RJ45 standard patch cable with shielded RJ45 connectors/splitters.
Optional link 1
Not required if master communications device is galvanically isolated
Optional link 2
In the event of noise problems, it may be helpful to connect the shield of the cable to 0V at the drive.
T-Bar connector/splitter
Unshielded and shielded T-bar connector/splitters are available from the following suppliers:
Unshielded
Part number: CNX3A02KNW
www.insight.com
Part number: 34011
UTP Y adaptor (unshielded twisted pair)
www.lindy.co.uk
RJ45 female to 2 x female
www.dttuk.co.uk/connectors-and-components-modular.htm
Shielded
Part number: 34001
STP Y adaptor (shielded twisted pair)
www.lindy.co.uk
RJ45 connector/splitter (CT part number 3471-0004)
Shielded
connector/splitter
0V
TXRX
TX\RX\
T1
(0V)
Optional
link 2
Serial port
connector
(RJ45)
T1
(0V)
Optional
link 2
Serial port
connector
(RJ45)
Master
communications
device
Commander SK 1 Commander SK 2
Optional link 1