3onedata 277A Manuale di installazione rapida - Pagina 3
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Pin
1
2
3
RS-422
GND
R-
R+
RS-232/485/422 serial port
Model
Ⅰ
provides
RS-485/422 serial port and adopts 8-pin
terminal blocks. The pin definition as
follows:
Pin
1
2
3
4
5
RS-232 -
-
-
-
-
RS-485 D+
D-
-
-
GND -
RS-422 T+
T-
R+
R-
GND -
【Checking LED Indicator】
The device provides LED indicators to monitor the device
working
status
with
a
comprehensive
troubleshooting; the function of each LED is described in the
table as below:
LED
State
Description
ON
The device is powered on normally
PWR
The device is not powered on or is
OFF
abnormal
The fiber port is receiving data or
ON
RXD
disconnected
OFF
Without data receiving
ON
The fiber port is sending data
TXD
OFF
Without data sending
【Specification】
Standard
Standard
EIA RS-232, RS-485, RS-422
Interface
RS-232
DB9 female
RS-485/422
5-pin terminal blocks
RS-232 or RS-485/422 serial
RS-232/485/422
port, 8-pin terminal blocks
Fiber port
SC/FC/ST interface optional
4
5
T+
T-
Indicator
1
RS-232
or
Power supply
6
7
8
Input power supply
GND
IN
OUT
-
-
-
-
Access terminal
simplified
Environmental Limits
Temperature range
Operating humidity
Power supply indicator, fiber port
data receiving and alarm
indicator, fiber port data sending
indicator
Model Ⅰ:
External power supply:
12~48VDC
Model Ⅱ, Model Ⅲ:
External power supply: 5VDC
Built-in power supply: -48VDC or
220VAC
DC round-head, terminal block
or three hole socket
Model Ⅰ:
Operating temperature: -40~75℃
Storage temperature: -40~75℃
Model Ⅱ, Model Ⅲ:
Operating temperature: -10~60℃
Storage temperature: -40~85℃
5%~95% (no condensation)