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4
CONNECTIONS
4.1 Connection Precautions
4.1.1 Communications Terminals
Disposition of terminals are different with each communications interface.
4.1.2 Total extension of RS-422A/485 communications cable is up to 1.2km.
The wiring interval between each instrument is option, but the total extension distance of cable is within
1.2km.
(Line converter the final end of SE3000 series fields scanner)
Total extension of cable: Within 1.2km
Line converter
SE3000 series field scanner
RS-232C Terminals
SD
RD
SG
RS-422A/RS-485
Terminals
SDA
SDB
RDA
RDB