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TD301D485H Datasheet(PDF) 1 Page - MORNSUN Science& Technology Ltd.

Part # TD301D485H
Description  SINGLE HIGH SPEED RS485 ISOLATION TRANSCEIVER MODULE
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Manufacturer  MORNSUN [MORNSUN Science& Technology Ltd.]
Direct Link  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

TD301D485H Datasheet(HTML) 1 Page - MORNSUN Science& Technology Ltd.

  TD301D485H Datasheet HTML 1Page - MORNSUN Science& Technology Ltd. TD301D485H Datasheet HTML 2Page - MORNSUN Science& Technology Ltd. TD301D485H 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
TDx01D485H
2013.12.04-A/2
Page 1 of3
FEATURES
l2-port electrical isolation between input and
output
lIntegrated isolated DC/DC converter
lBus protection
lIsolation voltage 2.5KVDC
lOperating temperature range:-40℃ ~
+85℃
lHigh speed data rate:115200bps
lConnect up to 32 nodes on one bus
lLow electromagnetic radiation
lHigh electromagnetic immunity
GENERAL DESCRIPTION
TD301D485H/TD501D485H
series
are
transceiver
isolation module with integrated duplex power isolation,
electrical isolation, and RS-485 interface bus protector;
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; Products can be
easily embedded in the user equipment, achieve function
of
RS-485 network connection.
SINGLE HIGH SPEED RS485
ISOLATION TRANSCEIVER MODULE
------TD301D485H(3.3V Power supply)
TD501D485H(5.0V Power supply)
PART NUMBER SYSTEM
TD501D485H
Rate
Port signal type
Package type
Channel number
Power distrubution output
Power input
Digital bus interface product type
SELECTION GUIDE
Model
Input
TD301D485H
3.17V~3.45V
TD501D485H
4.75V~5.25V
ELECTRICAL CHARACTERISTICS
Power Input
Input Current(no Load)
≤35mA
Send current
≤70mA
Input
Serial interface
Compatible with +5 V and + 3.3 V UART Interface
Pin current
ITXD<2mA;IRXD<2mA;ICON<5mA
Output
485 Bus interface
Standard interface RS485,A 4.7K
Ω pullup to Vcc, B 4.7KΩ pulldown to
GND
TRANSMISSION CHARACTERISTICS
Transmission Rate
Maximum 115200 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


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