Emerson 2202 Advanced User's Manual page 15

Commander sk series ac variable speed drive for 3 phase induction motors from 0.25kw to 110kw, 0.33hp to 150hp
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Parameter
Introduction
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description format
Figure 5-1 Serial communications connection diagram
Master
communications
device
TXRX
TX\RX\
0V
Optional link 1
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)
Commander SK Advanced User Guide
Issue Number: 9
Parameter
Keypad and
display
communications
Commander SK 1
T1
(0V)
Serial port
connector
(RJ45)
Optional
link 2
Shielded
connector/splitter
www.controltechniques.com
Serial
CT Modbus
PLC Ladder
RTU
programming
Commander SK 2
T1
(0V)
Serial port
connector
(RJ45)
Optional
link 2
Advanced parameter
CTSoft
Menu 0
descriptions
15

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