ADAM-4520 ADAM, ADAM-4520 Datasheet

ADAM-4520

Manufacturer Part Number

ADAM-4520

Description

(ADAM-4510 / ADAM-4520) Converter

Manufacturer

ADAM

Datasheet

1.ADAM-4520.pdf (4 pages)

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www.DataSheet4U.com

Most industrial computer systems come as standard

with RS-232 serial ports. Though widely accepted,

RS-232 has limited transmission speed, range and

networking capabilities. The RS-422 and RS-485

standards overcome these limitations by using

differential voltage lines for data and control signals.

The ADAM-4520 isolated converter lets you take

advantage of RS-422 and RS-485 on systems

originally equipped with RS-232. It transparently

converts RS-232 signals into isolated RS-422 or RS-

485 signals. You don't need to change your PC's

hardware or your software. The ADAM-4520 lets you

easily build an industrial grade, long distance

communication system with standard PC hardware.

The ADAM-4510/4510S repeater simply amplifies, or

boosts, existing RS-485 signals to enable them to

cover longer distances. It extends the communication

distance by 4000 ft (1200 m) or extends the number of

connected nodes by 32.

Intelligent RS-485 control

The RS-485 standard supports half-duplex

communication. This means that just two wires are

needed to both transmit and receive data. Handshak-

ing signals (such as RTS, Request To Send) are

normally used to control the direction of the data flow.

A special I/O circuit in the ADAM-4510/4510S and

ADAM-4520 automatically senses the direction of the

data flow and switches the transmission direction. No

handshaking signals are necessary—you can build an

RS-485 network with just two wires. This RS-485

control is completely transparent to the user. Software

written for half-duplex RS-232 works without

modification.

Isolation (ADAM-4510S/4520 only)

The ADAM-4510S/4520's Opto-isolators provide 3000

ground loops and destructive voltage spikes on the

RS-485 data lines.

Surge protection (RS-485 only)

ADAM-4510/4510S and ADAM-4520 offer internal

surge-protection on their data lines. Internal high

speed transient suppressors on each data line protect

the modules from dangerous voltages levels or spikes.

ADAM and the ADAM logo are trademarks of Advantech.

S E R I A L

Introduction

of isolation to protect the host computer from

C O M M U N I C A T I O N

I N T E R F A C E

Tough industrial design

You can power the ADAM-4510/4510S and ADAM-

4520 with any unregulated power source between +10

and +30 V

Their industrial-grade plastic shells can be mounted

on a DIN-rail, panel or in a piggybacked stack. You

make signal connections through plug-in screw

terminal blocks, guaranteeing easy installation,

maintenance and modification

Features

• Automatic internal RS-485 bus supervision

• No external flow control signals required for RS-

• Minimum 3000 V

• Transient suppression on RS-485 data lines

• Baudrate up to 115.2 Kbps

• Networking up to 4000 feet

• Reserved space for termination resistors

• Power and data flow indicator for troubleshooting

• Power requirement: +10 to +30 V

• Mounts easily on DIN-rail or panel

Specifications

C o m m o n

• Power requirement:

• Case: ABS with captive mounting hardware

• Accessories (Supplied):

• Plug-in screw terminal wiring:

ADAM-4510/4510S specifications

• Baudrate (bps): 1200, 2400, 4800, 9600, 19.2 K, 38.4

• Isolation Voltage: 3000 V

Tough industrial design

Features

Specifications

C o m m o n

ADAM-4510/4510S specifications

485

(ADAM-4510S/4520)

Unregulated +10 to +30 V

power reversals

NYLON DIN-rail Mounting Adapter

SECC Panel Mounting Bracket

Accepts AWG 1-#12 to #22 (0.5 to 2.5 mm) wires

K, 57.6 K, 115.2 K, RS-422 (switchable)

F O R

Part no. 2000000191 3rd Edition

I N D U S T R I A L

isolation protection

with protection from

(4510S only)

Printed in Taiwan Mar 1998

A U T O M A T I O N

Related parts for ADAM-4520

ADAM-4520 Summary of contents

Page 1

... RS-422 and RS-485 on systems originally equipped with RS-232. It transparently converts RS-232 signals into isolated RS-422 or RS- 485 signals. You don't need to change your PC's hardware or your software. The ADAM-4520 lets you easily build an industrial grade, long distance communication system with standard PC hardware. www.DataSheet4U.com ...

Page 2

... GND P. Rect & Power Filter Converter ADAM-4520 Converter Function Diagram ADAM-4520 Converter Function Diagram ADAM-4520 Converter Function Diagram ADAM-4520 Converter Function Diagram ADAM-4520 Converter Function Diagram Installation Installation Installation Installation Installation ADAM-4510/4510S/4520 OSC ...

Page 3

... ADAM-4520 RS-232/RS-485 Converter ADAM-4520 RS-232/RS-485 Converter Module Module Module Module Module The following tables illustrate the switch settings for the Converter Module. ADAM-4520 Data format settings (SW1) Data Format Data Format Data Format Data Format Data Format bits ...

Page 4

... DATA - RS-485 Device RS-422 Device ADAM-4520 Converter Connection Diagram ADAM-4520 Converter Connection Diagram ADAM-4520 Converter Connection Diagram ADAM-4520 Converter Connection Diagram ADAM-4520 Converter Connection Diagram DATA + DATA - RS-485 Device Power Supply RS-422 Host + +10~ ...

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