Cooper Security i-on160EX Installationsanleitung PDF herunterladen (Seite 24)

The System Bus i-on160

Page 18

Other Radio Device Addressing.

For radio keypads, radio sirens and WAMs, during the learning process the

installer selects a specific radio expander to learn the identity of the radio

device. This means that when programming these devices the control unit

refers to them by a number containing three groups of characters (similar to

the characters the system uses to refer to zones and outputs):

Rn-dd-zz

Rn-dd The first two

roups are the address of the bus device (see pa

e 15).

The “R” indicate that the device is a radio expander.

zz = The last

roup is the radio device number.

Radio Device Numbering

When reporting alarms to an ARC using CID or SIA protocols the control unit

reports each device as a number (not as an address). Each type of device has

its own numbering range:

Radio Siren Ext.01 to Ext.20

WAMs WAM01 to WAM20

Other Devices Connected to the Control Unit

Other devices connected directly to the control unit use a simpler addressing

scheme:

Sirens/Strobe

“

Siren” and “Strobe”

Loudspeakers 01 and 02

Plu

-by Outputs 01 to 16.

Bus Scanning and Re-configuring

The control unit keeps an internal list of every bus device that it has learned.

In order to keep the list up to date the control unit carries out two functions:

bus scan and bus re-configure.

During a bus scan the control unit asks every device on the bus to report its

bus address. The control unit compares the addresses reported with the

addresses that it has stored in its list. If a device has a default bus address the

control unit ignores it.

Bus scanning takes place during power up and when the installer leaves the

Installer Menu.

If the devices reporting to the control unit do not match the stored list of

devices, then the control unit offers to re-configure the bus. If there are

additional devices on the bus then the control unit will add those to the list of

devices that it knows about. If there are fewer items on the bus than on the

list, then the control unit will remove those missing devices from its list.

The control unit re-configures the bus while it is still in the Installer Menu.

When the control unit leaves Installer Menu it stores the changed bus device

list in non-volatile memory (nvm).

This has the following implications:

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