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TD501D485 Arkusz danych(PDF) 1 Page - MORNSUN Science& Technology Ltd.

Numer części TD501D485
Szczegółowy opis  SINGLE LOW RATE RS485 ISOLATION TRANSCEIVER MODULE
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Producent  MORNSUN [MORNSUN Science& Technology Ltd.]
Strona internetowa  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

TD501D485 Arkusz danych(HTML) 1 Page - MORNSUN Science& Technology Ltd.

  TD501D485 Datasheet HTML 1Page - MORNSUN Science& Technology Ltd. TD501D485 Datasheet HTML 2Page - MORNSUN Science& Technology Ltd. TD501D485 Datasheet HTML 3Page - MORNSUN Science& Technology Ltd.  
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The copyright and authority for the interpretation of the products are reserved by MORNSUN
TDx01D485
2013.12.04-A/1
Page 1 of3
FEATURES
l
Two-port electrical isolation input and
output
l
Integrated isolated DC/DC converter
l
Bus protection
l
Isolation voltage 2.5KVDC
l
Operating temperature range:-40℃~+85℃
l
Baud rate 9600bps,
l
Connect up to 32 nodes on one bus
l
Low electromagnetic radiation
l
High electromagnetic immunity
GENERAL DESCRIPTION
TD301D485/TD501D485
series
are
transceiver
isolation
module with integrated duplex power isolation, electrical
isolation,and RS-485 interface bus protector ; Products can
be easily embedded in the user equipment, achieve function
of
RS-485 network connection.
The isolation RS-485 circuits of using a piece of power
isolation
module,
three
light
couplings
and
RS-485
transceivers and device are only need to adopt a RS485
isolation module now. Simplify the customers on the isolation
requirements of the design.
SINGLE LOW RATE RS485
ISOLATION TRANSCEIVER MODULE
——TD301D485(3.3V Power supply)
TD501D485(5.0V Power supply)
RoHS
PART NUMBER SYSTEM
TD301D 485
Port
ignal type
Package
Channel number
Power distribution output
Power input
Digital bus product type
s
type
SELECTION GUIDE
Model
Power Input
TD301D485
3.17V~3.45V
TD501D485
4.75V~5.25V
ELECTRICAL CHARACTERISTICS
Input Parameters Of Power
Supply
Static current
TD501D485
≤30 mA,TD301D485≤40mA
Send current
TD501D485
≤40 mA,TD301D485≤60mA
power dissipation
≤0.2W
Input Parameters
Serial interface
TD501D485 compatible with + 5 V UART interface
TD301D485 compatible with + 3.3 V UART interface
Pin current
ITXD≤5mA;IRXD≤3 mA;ICON≤5mA
Output Parameters
485 bus interface
Standard interface RS485 ,pull-up and pull-down resistor, whose value is
4.7K,have been set to A/B line.
TRANSMISSION SPECIFICATIONS
Data Rate
Maximum 9600bps bps
Data Delay
The delay time from the receiving data switch to the send data : 30
μs(min), 100 μs(max).
The number of nodes
Connect up to 32 nodes on one bus
Transceiver control
Contrary to common 485 transceiver control level
Truth Table
Sending Status
Control
Input
Output
CON
TXD
A
B
Line state
0
1
1
0
Normal
0
0
0
1
Normal
Receiving Status
Control
Input
Output
CON
A-B
RXD
1
0.2V
1
1
-0.2V
0
ISOLATION SPECIFICATIONS
Electrical Isolation
Two-port isolation (input and output)
Isolation Voltage
2.5KVDC(Tested for 1 minute and leakage current < 5mA,humidity < 95%)


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