Siemens EF 775 Series Instruções de Operação descarregar pdf (Página 8)

Plant diagrams Plant diagrams in the OZW775 V3.0 allow users to display the entire HVAC installation

along with all data points. Users can view plant and room states from a user viewpoint,

thus gaining a better overview. In the event of faults, access to faulty equipment is

much faster. Clicking the diagram opens a dialog box for read/write parameters,

allowing users to change values as illustrated below for a change of "Comfort cooling

setpoint".

Plant diagrams also allow for integrating additional data such as links to plant, function,

and maintenance descriptions or data sheets. Integrating external links allowing users

to navigate to several plants is possible also. In addition, plant diagrams even allow

users to integrate current webcam pictures.

The central communication unit has three interfaces to communicate between unit and

user, and the interface or connection for the KNX bus.

Interfaces

The "PC" interface is intended to directly connect a central communication unit to a

local operator station. A USB cable, type A-B, is required to this end.

The "Modem" interface is intended to connect a modem via RS-232. When communi-

cating via modem, the following message recipients are supported: Operator stations

(PC/laptop with ACS software), SMS recipients, pagers, fax machines.

Modem

The interface labeled "Ethernet" corresponds to a RJ45 plug on the Ethernet card

OZZ7E5. Order the card separately and insert in the central communication unit. A

network cable Cat-5 is required to connect to the Ethernet (Ethernet category 5 cable).

Ethernet

The"KNX" labeled connection terminals CE+ and CE- are intended for the KNX bus.

For more information on the KNX bus, see data sheet N3127.

KNX

We speak of parallel operation if one central communication unit is operated with two or

multiple operator stations. Also, e.g. with one operator station via USB, and/or via

modem, and/or via Ethernet.

Parallel operation

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Building Technologies Central communication unit OZW775 V3.0 CE1N5663en

HVAC Products 29.06.2009

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