Name: Moxa A53-DB25F
Brand: Moxa
SKU: 1032576
Rating: 97 (1 reviews)

BedienungsanleitungMoxa A53-DB25F

Serial Communication Interface Conversion Solution

Transio A52/53 User’s Manual P/N: 1802000520516 Seventh Edition.

Moxa Inc.

A52/A53 DTE Device

RJ45 DB9 Male

TxD 5 2 RxD

RxD 6 3 TxD

GND 7 5 GND

A52/A53 DCE Device

RJ45 DB25 Female

TxD 5 2 RxD

RxD 6 3 TxD

GND 7 7 GND

RS-422/RS-485 Pinouts

The RS-422/RS-485 port with RJ45 connector

or Terminal Block Connector is depicted as

follows.

~RS-422

A52/A53

RJ45 Jack

Connector Pinouts Signals

1 TxD -(A)

2 RTS -(A)

3 RTS +(B)

4/7 SG

5 TxD +(B)

6 RxD +(B)

8 CTS +(B)

9 CTS -(A)

10 RxD -(A)

A52/A53

Terminal Block

Connector Pinouts Signals

1 TxD +(B)

2 TxD -(A)

3 RxD +(B)

4 RxD -(A)

5 SG

6 Power GND

7 VCCA (9V)

Note: Pins 6 and 7 of the Terminal Block are for

Power GND and Power Input, which is an

alternate option for power adapter. Be

careful TO NOT confuse RS-422/RS-485

GND with Power GND.

SG: Signal Ground

~RS

-485

A52/A53

RJ45 Jack

Connector Pinouts Signals

1 Data-(A)

4 SG

5 Data+(B)

7 SG

A52/A53

Terminal Block

Connector Pinouts Signals

1 Data+(B)

2 Data-(A)

5 SG

6 Power GND

7 VCCA 9V

Note : Pins 6 and 7 of the Terminal Block are for

Power GND and Power Input, which is an

alternate option for power adapter. Be

careful TO NOT confuse RS-422/RS-485

GND with Power GND.

SG: Signal Ground

Transio A52/53

Smart RS-232 to RS-422/485

Bi-directional Converter

Overview

Transio A52/53 is a smart RS-232 to RS-422/485

bi-directional converter, which allows one RS-232

port to be converted into an RS-422 or RS-485

port. With A52/53 you can control up to 32

devices, within 1.2 km, in a multidrop

environment.

Transio A52/53 is a Moxa Green Product. Moxa’s

Green Products satisfy the RoHS directive of the

European Parliament, and accordingly, do not

contain cadmium and cadmium compounds,

hexavalent chromium compounds, lead and lead

compounds, mercury and mercury compounds,

PBBs (polybrominated biphenyls), or PBDEs

(polybrominated diphenyl ethers).

To ease 2-wire RS-485 half-duplex control, fully

Automatic Data Direction Control (ADDC)

intelligence that requires no baud rate switch

settings is designed into each A52/53, simplifying

RS-485 software programming. Your applications

can easily manage data transmitting and receiving

via the half-duplex RS-485 port without using

additional code. Compared to other products that

require setting the clock speed manually with

switches, A52/53 lets you avoid many developing

and

maintenance hassles.

To meet the high reliability required by harsh

industrial environments, all RS-422/485 signals

provide TVS protection, and ESD up to 25 KV. In

addition, A53 provides 2 KV of optical isolation

protection for all signals at the RS-422/485 end.

Features and Specifications

• Serial interface: RS-232, RS-422/485

• Port types: RS-232: RJ45;

RS-422/485: RJ45 or Terminal Block

• High speed, baud rate up to 921.6 Kbps; no

switch setting needed

• Signals:

RS-232: TxD, RxD, RTS, CTS, DTR, DSR,

DCD, GND;

RS-422: TxD+(B)/-(A), RxD+(B)/-(A),

RTS+(B)/-(A), CTS+(B)/-(A), GND;

RS-485-Data+(B)/-(A), GND

• Supports fully Automatic Data Direction

Control (ADDC) with no baud rate switch

settings for RS-485

• RS-485 data control modes: auto (ADDC) or

by RTS

• RS-422 supports CTS, RTS signals for

hardware flow control

• LED indicators for power and 4 signal states

(TxD, RxD, RTS, CTS)

• All RS-422/485 signals provide TVS

protection. (ESD 8 KV, EFT 2KV)

• All RS-422/485 signals support up to 2 KV

(DC) of optical isolation protection (A53

only)

• Provides overloading protection when there

are 2 signals shorted together at the

RS-422/485 end

• Built-in 120 ohm termination resistors for

RS-422/RS-485 (selectable with jumper by

RS-485 mode)

• Supports up to 32 units connected in an

RS-485 multidrop network

• CE approval

• 9V 1.5A UL/ TÜV 110V/230V power

adapter can support up to 4 converters

• An external power adapter is required, with

input voltage for the converter ranging from

DC +9V to +30V.

• Operating temperature: 0 to 55°C

• Dimensions: 90 x 60 x 21 mm

• Mounting Kit: Plastic Plates and screws for

mounting A52/53 on the wall or any surface.

• Power consumption: A52: 157 mA max.

(+9V); A53: 285A max. (+9V)

Applications

• Multipoint data acquisition

• Factory automation

• Remote serial device control

• Building security automation

• Critical industrial control

1 2 3 4 5 6 7

RJ45 Connector

Terminal Block Connector

1 2 3 4 5 6 7 8 9 10

RJ45 Plug Pin 1

RS-422/485 RS-232

Mounting

Screw

Fixing Screw

RJ45 Plu

Pin 1

RS-422/485

R45 ConnectorJ

Power Jack

RS-232

R45 ConnectorJ

External Power Connection

RS-422/485

Te r m i n a l Bl o c k

Bedienungsanleitung

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