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TD312P485 Scheda tecnica(PDF) 1 Page - MORNSUN Science& Technology Ltd.

Il numero della parte TD312P485
Spiegazioni elettronici  DUAL LOW RATE RS485 ISOLATION TRANSCEIVER MODULE
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Produttore elettronici  MORNSUN [MORNSUN Science& Technology Ltd.]
Homepage  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

TD312P485 Scheda tecnica(HTML) 1 Page - MORNSUN Science& Technology Ltd.

  TD312P485 Datasheet HTML 1Page - MORNSUN Science& Technology Ltd. TD312P485 Datasheet HTML 2Page - MORNSUN Science& Technology Ltd. TD312P485 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
TDx12P485
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
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Low electromagnetic radiation
l
High electromagnetic immunity
GENERAL DESCRIPTION
RS-485 interface power Integrated isolated module
TD312P485/TD512P485 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 two-port network connection
The
isolation RS-485 circuits of using a piece of power
isolation
module,
six
light
couplings
and
two
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.
DUAL LOW RATE RS485
ISOLATION TRANSCEIVER MODULE
——TD312P485(3.3V Power supply)
TD512P485(5.0V Power supply)
RoHS
PART NUMBER SYSTEM
TD512P485
Port signal type
Package type
Channel number
Power di strubuti on output
Power input
Digital bus interface product type
SELECTION GUIDE
Model
Power Input
TD312P485
3.17V~3.45V
TD512P485
4.75V~5.25V
ELECTRICAL CHARACTERISTICS
Power Input Parameters
Input Current(no Load)
TD512P485
≤35 mA,TD312P485≤45mA
Send current
TD512P485
≤80 mA,TD312P485≤120mA
Power dissipation
≤0.4W
Input Parameters
Serial interface
TD512P485Compatible with +5 V UART Interface
TD312P485 Compatible with + 3.3 V UART Interface
Pin current
ITXD≤5mA;IRXD≤3mA;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.
Isolation power output
Nominal 5V,
≤0.15W
TRANSMISSION CHARACTERISTICS
Transmission Rate
Maximum 9600bps
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 CHARACTERISTICS
Galvanic Isolation
Two-port isolation(input and output)
Isolation Voltage
2.5KVDC(Tested for 1minute and leakage current < 5mA, humidity <95%)


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