CARLO GAVAZZI EN61036 Manual do Utilizador descarregar pdf (Página 102)

Du line

Fieldbus

Installationbus

CARLO GAVAZZI Automation Components Specifications are subject to change without notice.

Dupline

is a range of highly modular datapoint oriented building blocks which can be

combined to form very cost–effective solutions for a wide spectrum of applications in the

industrial and building installation field.

Dupline - Field and installationbus

Du line

Fieldbus

Installationbus

Use of existing wiring provides significant

cost-reductions

Due to the robustness of Dupline

it has been possible

to make use of existing wiring in numerous installa-

tions. Examples hereof are telephone wires and multi-

core cables. This has provided significant cost-reduc-

tions e.g. in railway and alarm applications.

Modem links

Dupline

systems can be linked via private line modem

or the public telephone network

Individual addressing of I/O’s

In the Dupline

system the addressing is oriented

towards the individual I/O’s rather than to entire mod-

ules. Only I/O’s which have been assigned an address

occupy transmission capacity. Unused I/O’s of e.g. an 8

input module can be left as spares for future use. An

input and an output which have been coded to the

same address will be linked together e.g. as a peer-to-

peer connection.

Input of the same signal from different locations

Dupline

allows coding of more inputs to the same

address, they will then operate in parallel as an OR

function. If e.g. it is desired to control a light from dif-

ferent locations in a room or building it can be done by

programming the relevant light switches for the same

address as the relay switching the light. No matter

which light switch sends a pulse, the light relay will

toggle. This provides a high degree of flexibility for

future changes or enhancements, since additional

switches can be added or existing switches can be re-

coded without the need to reconfigure or expand the

I/O-capacity of the system.

Output of the same signal at different locations

Dupline

also allows coding of more outputs to the

same address, making it possible to output any signal

status at any point in the system and as many times

as desired. This can e.g. be used to create a status

indication at numerous locations of all the alarms and

lights in a building.

Pre-determinable output status

The status of the digital outputs can be pre-deter-

mined to ensure that a safe operational status is auto-

matically established in case of a failure.

Bi-directional communication

Digital and analog signals can be transmitted in any

direction

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