2 outstanding features of nudam – ADLINK ND-6520 User Manual

Page 6

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2

Introduction

1.2 Outstanding Features of NuDAM

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Industry standard networking

All NuDAM modules use the RS-485 communication protocol for transmitting
and receiving at high rates and over long distance.

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Two-wire and multi-drop communication

A single twisted pair of wires is used to transmit and receive data between
modules. Multi-drop capability makes system configuration more flexible and
easy set-up of a network.

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High transfer speed

NuDAM modules provide up to 115.2K bps data / command transfer rate. It can
promote system bandwidth.

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Simple command / response protocol

All communications are performed with printable ASCII characters. This allows
the information to be processed with string functions common to the most
high-level languages.

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Industrial design

The screw terminal plug connectors on every NuDAM module ensures simple
installation and easy modification. The compact size allows the modules to be
mounted on DIN rail, back-panel wall-mount, etc.

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Watch-dog supervisory

NuDAM contains a watch-dog supervisory circuitry that will automatically reset
the module when the system fails. In addition, a user-programmable software
timer provides a ‘safe’ output signal in the event of host computer failure.

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High isolation voltage

NuDAM provides photo-isolators, which ensure high isolation voltage, between
the data acquisition circuits and the communication port. The fatal
electric-shock won‘t go through and damage all the modules on the network.

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Noise immunity

The NuDAM provide extra noise immunity capability. An electrode, which is
coated inside the ABS case, can reduce electro-magnetic interference (EMI)
and noise.

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Harsh environmental protection

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