Excell EX-2001 Racer Plus User Instructions page 24

EXCELL PRECISION CO., LTD.
2
Connection method
RS-422
SDA
SDB
RDA
RDB
SG
HOST COMPUTER
SDA(1)
SDB(2)
RDA(3)
RDB(4)
SG(6.7.8)
TRM(5)
RDB'(9)
EX-2001#1
FUNC67=01
SDA(1)
SDB(2)
RDA(3)
RDB(4)
SG(6.7.8)
TRM(5)
RDB'(9)
EX-2001#2
FUNC67=02
SDA(1)
SDB(2)
RDA(3)
RDB(4)
SG(6.7.8)
TRM(5)
RDB'(9)
EX-2001#10
FUNC67=10
4 Remark:
When connecting the last EX-2001 indicator, the fifth pin (TRM) and the ninth pin
(RDB') should be connected together, excluding the following two conditions:-
♦ The host computer has a built-in terminator.
♦ The host computer does not have signal ground (SG).
EX-2001 Plus v1.3
RS-485
DA
DB
SG
HOST COMPUTER
SDA(1)
SDB(2)
RDA(3)
RDB(4)
SG(6.7.8)
TRM(5)
RDB'(9)
EX-2001#1
FUNC67=01
SDA(1)
SDB(2)
RDA(3)
RDB(4)
SG(6.7.8)
TRM(5)
RDB'(9)
EX-2001#2
FUNC67=02
SDA(1)
SDB(2)
RDA(3)
RDB(4)
SG(6.7.8)
TRM(5)
RDB'(9)
EX-2001#10
FUNC67=10
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