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B&B Electronics ADAM-4542+ - Manual User Manual

Adam-4541, Adam-4542

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ADAM and the ADAM logo are trademarks of Advantech.

Part No. 2000000330 1st Edition Printed in Taiwan May 1999

DC

S E R I A L C O M M U N I C A T I O N I N T E R F A C E F O R I N D U S T R I A L A U T O M A T I O N

User's Manual

ADAM-4541

Fiber Optic to RS-232/422/485 Converter

ADAM-4542

Single-mode Fiber Optic to RS-232/422/485

Converter

Introduction

Fiber optic transmission offers the benefits of
wide bandwidth, immunity to EMI/RFI interference,
and secure data transmission. The ADAM-4541/
ADAM-4542 can be used as an RS-232/422/485
point-to-point or point-to-multipoint connection for
transmitting and converting full/half-duplex signals and
their equivalents within a fiber optic environment.
Fiber optics are the perfect solution for applications
where the transmission medium must be protected
from electrical exposure, lightning, atmospheric
conditions or chemical corrosion.

The ADAM-4541/4542 is specifically designed to link
various machinery equipped with RS-232/422/
485 communication ports (such as computer
systems or manufacturing machines). Using
standard ST connectors, the module's fiber optic
ports can accommodate a wide range of fiber
optic cable sizes, including 62.5/125 (9/125) m.

F

eatures

* Compact size economizes space

* Direct plug-and-play

* Easily mounted on a DIN-rail, panel or

piggyback

* Transmission speeds of up to 115.2 kbps

* Optical fibers enable transmission of 2.5 km for

ADAM-4541 and 15 km for ADAM-4542.

* Half/Full-duplex, bidirectional transmission

mode

* Avoids lightning strikes and EMI/RFI

interference

* Prevents damage from electrostatic discharge

* Stable and error-free data transmission

* Automatic internal RS-485 bus supervision

* No external flow control signals required for

RS-485

* Transient suppression and over-current

protection on RS-422/485 data lines

* Reserved space for termination resistors

* LED for power and data flow indication

* Power requirement: +10 ~ +30 V

Specifications

ADAM-4541

ADAM-4542

Fiber Optics

multi-mode

single-mode

Wavelength

820 nm

1310 nm

Transmission

Distance

2.5 km

15 km

Optical Power
Budget (attenuation)

12.5 dB

9 dB

Power Consumption

1 W (typical);
1.5 W (max.)

1.6 W (typical);

2.1W (max.)


* Casing: ABS with captive mounting hardware

* Communication mode: Asynchronous

* Connector: Plug-in screw terminal

* Fiber port: ST

* Transmission mode: Full/Half-duplex,

bidirectional

* Transmission rate: Up to 115.2 kbps

* Operating temperature: -10 ~ 70° C

(14 ~ 158° F)

* Operating humidity: 5 ~ 95% (non-condensing)

* Accessories (included): Nylon DIN-rail

mounting adapter, SECC panel mounting
bracket

Note: Fiber optics are designed for industrial

applications.
50/125 m, 62.5/125 m, and 100/140 m
are commonly used for multi-mode;
9/125 m are commonly for single-mode.

Installation

Unpacking

The ADAM-4541/4542 package includes the
following:

• 1 ADAM-4541 or ADAM-4542 module

• 1 mounting bracket

• 1 User's Manual

• 1 3P to DB 9 cable

(Red:RX, white:TX, Black:GND)