Praesideo 3.5 Installation and User Instructions 3 Control Equipment

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6.3.6Connecting control outputs

The audio expander has 5 control outputs. The control outputs can be used to send signals to third party equipment to trigger actions. Each control output connection has three pins (see figure 6.7).

Control Out

C NC NO C NC NO C NC NO C NC NO C NC NO

1

2

3

4

5

figure 6.7: Control outputs

6.4Installation

The audio expander is suitable for either table-top or 19-inch rack installation. Four feet (for table-top use) and two brackets (for rack installation) are supplied.

Note

The center bracket positions can be used to secure the unit on a table or shelf. They can also be used to install the unit vertically to a wall.

The common (C) pin of the control output should always be connected. Whether the other pin that is connected is the normally closed (NC) or normally open (NO) depends on which action that take place when the control output is active (see table 6.4).

table 6.4: Control outputs details

Connection Abbr. Description

Normally

NC

By default, the NC

closed

 

contact is connected

 

 

with common contact

 

 

C. When the output is

 

 

activated, the NC

 

 

contact is opened.

Normally

NO

By default, the NO

open

 

contact is not

 

 

connected with

 

 

common contact C.

 

 

When the output is

 

 

activated, the NO

 

 

contact is closed.

In the configuration, a purpose must be attached to the control output that indicates the action to be taken when it becomes active (see table 43.6).

figure 6.8: Installation

Caution

When mounting the brackets to the unit, use the screws that are supplied with the brackets. Screws with a length of >10 mm may touch or damage internal parts of the unit.

Bosch Security Systems 2011-02

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Bosch Appliances 3.5 manual Control outputs

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