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ADAM-4522 fiches techniques PDF

ADAM - (ADAM-4520 / ADAM-4522) Converter

Numéro de référence ADAM-4522
Description (ADAM-4520 / ADAM-4522) Converter
Fabricant ADAM 
Logo ADAM 





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ADAM-4522 fiche technique
SERIAL COMMUNICATION INTERFACE FOR INDUSTRIAL AUTOMATION
ADAM-4510/4510S
RS-422/485 Repeater
ADAM-4520/4522
RS-232 to RS-422/485 Converter
Introduction
Most industrial computer systems come with RS-
232 serial ports as standard. 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-4520/4522 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-4520/4522 lets you easily build an
industrial grade, long distance communication
system with standard PC hardware.
www.DataSheet4U.com
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-4520/4522 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 VDC of isolation to protect the host computer
from ground loops and destructive voltage spikes
on the RS-422/485 data lines.
Surge protection (RS-485 only)
ADAM-4510/4510S and ADAM-4520/4522 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.
Tough industrial design
You can power the ADAM-4510/4510S and ADAM-
4520/4522 with any unregulated power source
between +10 and +30 VDC.
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-485
• Minimum 3000 VDC isolation protection
(ADAM-4510S/4520 only)
• 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 troubleshoot-
ing
• Power requirement: +10 to +30 VDC
• Mounts easily on DIN-rail or panel
Specifications
Common
Power requirement:
Unregulated +10 to +30 VDC with protection
from power reversals
Case: ABS with captive mounting hardware
Accessories (Supplied):
NYLON DIN-rail Mounting Adapter
SECC Panel Mounting Bracket
Plug-in screw terminal wiring:
Accepts AWG 1-#12 to #22 (0.5 to 2.5 mm)
wires
ADAM-4510/4510S specifications
Baudrate (bps): 1200, 2400, 4800, 9600, 19.2 K,
38.4 K, 57.6 K, 115.2 K, RS-422 (switchable)
Isolation Voltage: 3000 VDC (4510S only)
Part no. 2000000290 4th Edition Printed in Taiwan Oct 1998

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