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16-3-11. Pin configuration of RS-422/485 terminals
SDA
Difference output (+)
SDB
Difference output (-)
RDA Difference
input(+)
RDB Difference
input(-)
TRM
Cable end resistance
S.G. Signal
ground
・
Please connect the internal terminating resistance by shortening between the TRM terminal and
RDB terminal which is the furthest from the host. (personal computer, sequencer, etc).
・
For the connection, we recommend to apply twisted pair wires.
・
The external control input COM. (two pins) and the S.G. for RS-422/485 are common.
・
Internal circuit and photo-coupler is insulated.
・
To suit the instrument with the CE conformity or applied JIS standard, please use a shielded cable
and connect the shield to the serial interface output terminal board.
(1) Wiring of 1 to 1
RDA
RDB
SDA
SDB
S.G.
SDA
SDB
RDA
RDB Address 00
TRM.
S.G.
SDA
SDB
RDA
RDB Address 00
TRM.
S.G.
RDA
RDB
SDA
SDB
S.G.
RS-422 Host
RS-485
Host
CSD-903
CSD-903
Summary of Contents for CSD-903-EX
Page 1: ...DIGITAL INDICATOR CSD 903 EX Instruction Manual EN294 1492 H ...
Page 2: ...IV ...
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Page 199: ...183 Inform us about the contents of failure and situation at site in details ...
Page 204: ...188 Inform us about the contents of failure and situation at site in details ...
Page 206: ...190 Inform us about the contents of failure and situation at site in details ...
Page 209: ...193 Inform us about the contents of failure and situation at site in details ...
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