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TD301D485H-A Fiches technique(PDF) 1 Page - MORNSUN Science& Technology Ltd.

No de pièce TD301D485H-A
Description  SINGLE HIGH SPEED RS485 ISOLATION TRANSCEIVER MODULE
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Fabricant  MORNSUN [MORNSUN Science& Technology Ltd.]
Site Internet  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

TD301D485H-A Fiches technique(HTML) 1 Page - MORNSUN Science& Technology Ltd.

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The copyright and authority for the interpretation of the products are reserved by MORNSUN
TDx01D485H-A
2013.12.04-A/1
Page 1 of 3
FEATURES
l Baud rate high up to 115200bps
l Connect up to 32 nodes on one bus
l 2500VDC isolation input and output
l Integrated high efficiency isolated DC/DC
converter
l Operating
temperature
range:
-40℃~
+85℃
l ESD protection, perfect EMC recommend
circuit
l Automatic transceiver switching
GENERAL DESCRIPTION
Single high speed RS485 isolation transceiver module
TD301D485H-A/
TD501D485H-A
series
are
RS485
transceiver
module with integrated
isolated
power,
Signal isolated chip and the bus protection device.
Product's main function is to convert logic level to
difference level of the 485 agreement, and it implements the
function of signal isolation.Products
is with isolation power.
It can achieve 2500 VDC electrical isolation and have the
function of ESD protection and automatic switch to send and
receive. It
does not need to control through the CON pin,
and reduce the complexity of the design. Product can be
easily embedded user equipment, makes the equipment
easily implement connection of 485 protocol network .
SINGLE HIGH SPEED RS485
ISOLATION TRANSCEIVER MODULE
(AUTOMATIC SWITCHING)
——TD301D485H-A(3.3V Power supply)
TD501D485H-A(5.0V Power supply)
RoHS
PART NUMBER SYSTEM
TD 501D 485H -A
Spe cial m a rk
Spe ed
Port sign al type
Packag e type
C ha nne l nu mb er
Pow e r distribu tion o utput
Pow e r inp ut
D ig ital b us prod uct type
SELECTION GUIDE
Model
Power Input
TD301D485H-A
3.17V~3.45V
TD501D485H-A
4.75V~5.25V
ELECTRICAL CHARACTERISTICS
Input Parameters Of Power
Supply
Static current
≤40mA
Power dissipation
≤0.2W
Input Parameters
Serial interface
Compatible with the UART control port of +5V and +3.3V
Pin current
ITXD≤2 mA;IRXD≤2 mA
Output Parameters
485 Bus interface
Standard interface RS485 , pull-up and pull-down resistor, whose value is
4.7KΩ,have been set to A/B line.
TRANSMISSION CHARACTERISTICS
Transmission Rate
Maximum 115.2Kbps
The Number of Nodes
Connect up to 32 nodes on one bus
Truth Table
Sending Status
Input
Output
TXD
A
B
Line state
1
1
0
Normal
0
0
1
Normal
Receiving Status
Input
Output
A-B
RXD
0.2V
1
-0.2V
0
ISOLATION CHARACTERISTICS
Electrical Isolation
Two-Port isolation(input and output)
Isolation Voltage
2.5KVDC(Tested for 1minute and leakage current < 5mA, humidity <95%)


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