TD301D485H-E_15 Datasheet, PDF (1/4 Pages) MORNSUN Science& Technology Ltd. – Isolation transceiver module

Industrial Bus
TDx01D485H-E Series
single high speed RS485 isolation transceiver
module(enhanced version)
FEATURES
z Baud rate high up to 500Kbps
z Connect up to 256 nodes on one bus
z 2500VDC isolation input and output
z Integrated high efficiency isolated DC/DC
converter
z Operating temperature range: -40℃~ +85℃
z ESD protection, perfect EMC recommend
circuit
CB RoHS
PART NUMBER SYSTEM
TD501D485H-E
Special mark
Rate
Port signal type
Package type
Channel number
Power distrubution output
Power input
Digital bus interface product type
Single high rate RS485 isolation transceiver module TD301D485H-E/TD501D485H-E 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 RS485 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. Product can
be easily embedded user equipment, makes the equipment easily implement connection of RS485 protocol network .
Selection Guide
Certification
UL/CE
Part No.
TD301D485H-E
TD501D485H-E
Power Supply input (VDC)
3.17~3.45
4.75~5.25
Input Specifications
Item
Input Power ^{Static current}
Supply
Send current
Input
Serial interface
Pin current
Operating Conditions
Products energized, no communication
200kbps Square wave communication
Value
≤40mA
≤70mA
TD301D485H-E compatible with + 3.3 V UART interface
TD501D485H-E compatible with + 5 V UART interface
ITXD≤2mA;IRXD≤2 mA; ICON≤5mA
Bus Interface
Item
Output
RS485 bus interface
Operating Conditions
Value
Standard interface RS485 ,pull-up and pull-down resistor, whose
value is 5.1K,have been set to A/B line.
Transmission Specifications
Item
Operating Conditions
Data Rate
Transceiver Switching Delay
The Number of Nodes
Transceiver control
Truth Table
Sending Status
Value
500Kbps (max.)
The delay time from the receiving data switch to the send
data : 30 μs(min.), 100 μs(max.).
Connect up to 256 nodes on one bus
Contrary to common RS485 transceiver control level
Control
Input
Output
CON
TXD
A
B
Line state
0
1
1
0
Normal
0
0
0
1
Normal
2015.03.10-A/3
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