Carel plug-in Manuel d'utilisateur télécharger pdf (Page 40)

pCOWeb +030220471 – rel. 1.0 – 02.05.2007 40

The speed can be set between 300-600-1200-2400-4800-9600-

19200(default)-38400-57600-115200 bit/s and must coincide with

the baud rate of the pCO supervisor port, selected on a special

screen on the application interface. The default value for pCOWeb

is 19200 baud, and can be changed as required.

IMPORTANT

• The set value will only be used when pCOWeb is next

rebooted.

• If the speed set for pCOWeb is different from the value

set for the pCO, communication will not be possible.

8.6 INTERNAL CLOCK

pCOWeb features an internal clock that keeps its settings only while

power is supplied. When rebooting, the date / time is reset to: 1970-

01-01 00:00. pCOWeb can be set so that every minute it sets its own

clock based on the time set on the pCO controller.

For this to occur, the application program running on the pCO must

continuously transmit the information on five selected integer

variables.

The page shown in

Figure 8.m is used to enable the synchronisation

function and specify the index of the five integer variables.

NOTE 1 The settings will be valid as soon as they are confirmed;

pCOWeb does not need to be rebooted.

NOTE 2 The time indicated on the left of the page only changes

when the page is completely refreshed (for example, by

pressing F5 on the computer keyboard).

The internal clock can also be set using BACnet protocol commands.

When using this method, it is recommended to disable

synchronisation with the time on the controller.

8.7 PLUGINS

Plugins are auxiliary applications that can be installed on pCOWeb and allow custom functions to be added easily and automatically.

There are two types of Plugins:

• distributed by CAREL

, available at http://ksa.carel.com.

• custom, created

for a specific application.

To be able to create a Plugin, good knowledge is required of the GNU/Linux operating system and bash scripting and, to create compiled binary files, these need to

adhere to certain requirements. The rules for creating Plugins are summarised in

APPENDIX H on page 72.

8.7.1 Installing a Plugin

Access the pCOWeb main configuration page (see

8.2 on page 35),

then open the Plugin page (

Figure 8.n).

¾ Plugins found

: lists the Plugins currently installed that

have at least one HTML configuration page. In the

example shown in

Figure 8.n there are no Plugins

installed.

PROCEDURE FOR INSTALLING THE CAREL “NTP” PLUGIN

The “NTP” Plugin (Network Time Protocol) is used to synchronise the time on pCOWeb with an Internet time server.

1. Download the “NTP” Plugin from

http://ksa.carel.com; if the Plugin to be installed is contained in a zip file, first unzip it using any zip file decompression

program (for example, “Filzip” freeware,

http://www.filzip.com), so as to create a directory called “install-plug-xxx” (xxx is ignored by pCOWeb, and is only

used to identify the function of the Plugin).

Figure 8.l – Setting the pCOWeb-pCO communication speed

Figure 8.m - Setting clock synchronisation

Figure 8.n - Installing / uninstalling the Plugins

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 79 80

Commentaires sur ces manuels

Pas de commentaire

Carel plug-in Manuel d'utilisateur Page 40

Commentaires sur ces manuels

Produits connexes et manuels pour Thermostats Carel plug-in