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TXD, RXD, GND, SG FG DSR RS232 to RS485 / RS422 Isolated converter OEM

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TXD, RXD, GND, SG FG DSR RS232 to RS485 / RS422 Isolated converter OEM

Place of Origin : Sichuan, China (Mainland)

Brand Name : FOURSTAR

Model Number : FS-485E

MOQ : Negotiable

Delivery Time : 7-25days

Supply Ability : 1000 Carton/Cartons per Month

Certification : SGS,ROHS,UL

Price : Negotiable

Packaging Details : Standard Packing

Payment Terms : L/C,T/T,Western Union,Paypal

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TXD, RXD, GND, SG FG DSR RS232 to RS485 / RS422 Isolated converter OEM
RS232 to RS485/422 isolation converters without power supply,the maximum rate is 19.2 Kbps.

FS-485E is to realize communication conversion from RS232 to RS485 and RS422. The power of this product directly from RS232 serial port without additional power and can realize the photoelectric isolation from RS232 to RS485/422. Use the unique zero-delay automatic sending and receiving conversion technique and baud rate adaptive technique. Plug-and-play, suit for all software, the efficient circuit and the unique DC/DC isolation technique ensure this converters normal work, and in the high resistance state when not sending data. Support multi-point communication, which is different from other similar cheap products in market. There is a built-in anti-static anti-lightning circuit in the product. Uniquely with power and sending/receiving indicator lights, the shape is the industrial structure of standard rail installation.

Technical details:

  • 1, applies to all standard RS232 serial port, only use TXD, RXD, GND
  • 2, output is the four-wire full-duplex RS422 interfaces and second-line half-duplex RS485 interfaces
  • 3, Texternal power, TXD power supply is ok, use RTS,DTR to help supply power
  • 4, photoelectric isolated voltage: 1000VDCup to 3000VDC,statement is needed when ordering
  • 5, use the shielded twisted pair whose sectional area is over 0.5 mm2 as communication lines
  • 6, the largest communication distance is 1.8km9.6Kbps1km19.2Kbps,need TXDRTSDTR power supply,the greatest communication distance is no more than 100m when only TXD supply power
  • 7, the largest number of network site is 64.
  • 8, the greatest communication rate is 19.2 Kbps, baud rate adaptive
  • 9, a transient voltage suppression, can withstand the transient over-voltage whose power is up to 600 W and electrostatic discharge and lighting strikes impact
  • 10, temperature: -20 ~ 70
  • 11, installation: installation of 35 mm standard rail and the bolt hole
  • 12, Dimensions: 85 × 55 × 25

Signal definition of RS485/422 connection terminal

Signal-name

description

D+

RS485 signal positive

D-

RS485 signal is negative

TXD+

RS422 signal sending positive

TXD-

RS422 signal sending negative

RXD+

RS422 signal receiving positive

RXD-

RS422 signal receiving negative

SG

Signal ground

FG

Shielding groundchassis ground


RS232 socketDB9M

Pin number

Signal-name

description

1

+5V

External connect 5V assistant power supply, use when the power supply of RS232 is not sufficient

2

RXD

RS232 signal receive

3

TXD

RS232 signal send

4

DTR

Get data terminal ready,have short connected with 6

5

GND

Signal ground

6

DSR

Get data device ready,have short connected with 4

7

RTS

Request to send, have short connected with 8

8

CTS

Allow to send, have short connected with 7

9

Not be used

Not be used


Product Tags:

rs485 rs232 converter

      

rs232 rs422 converter

      
China TXD, RXD, GND, SG FG DSR RS232 to RS485 / RS422 Isolated converter OEM wholesale

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