Brainboxes PX-246 Spécifications télécharger pdf (Page 46)

Controls and Indications

Part No. 057-120 8660 OPERATING MANUAL ISSUE 1 07/05/2010 ADM

5.3.4 SERIAL PORT

This section is included to give information about the currently selected serial port and external modem (if

connected).

The items displayed on this page will change depending upon configuration of the module. You are referred to your

system supplier for further details.

NOTE: - Factory Default settings are for the RS232 port to be enabled (no modem connected),

operating at 19200 baud, modbus slave address 10.

Example 1 – Module connected to a RS232 telephone modem.

When the DSE86xx series module is power up, it will send ‘initialisation strings’ to the connected modem. It is

important therefore that the modem is already powered, or is powered up at the same time as the DSE86xx series

module. At regular intervals after power up, the modem is reset, and reinitialised, to ensure the modem does not

‘hang up’.

If the DSE86xx series module does not correctly communicate with the modem, “Modem initialising’ will appear on

the Serial Port instrument screen as shown overleaf.

If the module is set for “incoming calls” or for “incoming and outgoing calls”, then if the modem is dialled, it will

answer after two rings (using the factory setting ‘initialisation strings’. Once the call is established, all data is passed

from the dialling PC and the DSE86xx series module.

If the module is set for “outgoing calls” or for “incoming and outgoing calls”, then the module will dial out whenever an

alarm is generated. Note that not all alarms will generate a dial out; this is dependant upon module configuration of

the event log. Any item configured to appear in the event log will cause a dial out.

Press down to view the modem status....

Indicates that a modem is configured. Shows ‘RS232’ if no

modem is configured or ‘RS485’ if the RS485 port is selected.

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Brainboxes PX-246 Spécifications Page 46