Led Indicator - Contec F&eIT Series User Manual
Isolated rs-422a/485 1ch communication module
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Also See for F&eIT Series:
- User manual (81 pages) ,
- Reference manual (29 pages) ,
- Quick start manual (4 pages)
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The figure below shows the circuit associated with the data transfer mode setting switch and terminator
setting switch.
162850
or Equivalent
SOUT
SIN
CTS
RTS
DCD
DTR
DSR
RI
Figure 2.4. Setting Switch Circuits
LED Indicator
RX:
Indicates that the module is receiving serial data (green).
TX:
Indicates that the module is transmitting serial data (green).
COM-1PD(FIT)GY
Terminator
1/2W 100Ω
Data transmission
mode
2. Module Nomenclature and Settings
7
8
9 10
Terminator
TxD+
TxD-
RxD+
RxD-
CTS+
CTS-
RTS+
RTS-
11
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