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Clock with GPS, Ethernet and RS-485 functions
Introduction to the DR-129
The DR-129 display is presented as an easy-to use clock adjusted and calibrated at factory. The main
window shows the current time in HH:MM format. The main window can be set to turn on and turn off at the
time set by user and is adjustable in brightness (see "Parameters" in this manual). In all cases, the display
never turns off. There are add-on functions depending on the display. These functions are fully compatible
and can be combined with each other:
If the display includes option A, it has an integrated GPS. The antenna contents a magnet that permit
to fix it to a magnetic surface. The first time the display is turn on, the quality of the GPS signal must be
verified some minutes after the power-up. This is done using one of the parameters of the display (see "option
"in this manual).
If the display includes option NE (Ethernet connectivity), this display hosts a web site where the user
can see the status of the display and configure it. This function allows the display to be used as a server for
other displays to synchronize the hour through the Ethernet, as well as updating its time and date through a
SNTP server. User can configure and request the time through TCP/IP commands. The default IP is
192.165.1.100. See "Ethernet option" in this manual for more information.
If the display includes option X (RS-485 connectivity), this display can be configured as a RS.485
server/client. This means that the display can connect with other displays to sync between them, as well as
the user communication through commands. If the display also includes the GPS or Ethernet option, the
display can work as a bridge between both options. See "RS-485 option" for more information
1706K45B
TECHNICAL MANUAL DR-129
Page 1 of 27
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Summary of Contents for LARTET DR-129
- Page 1 Introduction to the DR-129 The DR-129 display is presented as an easy-to use clock adjusted and calibrated at factory. The main window shows the current time in HH:MM format. The main window can be set to turn on and turn off at the time set by user and is adjustable in brightness (see “Parameters”...
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Page 2: Powering The Display
Installation of the DR-129 1220 8 x ø 5 All dimensions are in millimetres Powering the display The power supply must be 88 to 264VAC, 47 to 63 Hz. The power supply conductor section will be in line with consumption and the ground conductor will be a minimum section of 1.5m². - Page 3 Timed power-up of the display This display operates in two operation modes: full-operative mode and power-saving mode. In power- saving mode the display does not show the time in order to save energy when the display is not needed. If the power-saving function is not needed and the display should always powered up, the both power-up and power-down times must be the same.
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Page 4: Modify Parameters
Modify parameters If the user presses the Advance key for 6 seconds the parameter menu is displayed. In all cases the number the user is modifying is the one that flashes. The complete diagram of the parameters can be found in annex 1. - Page 5 Parameter 4: Display configuration: This parameter configures other functionalities of the display, as the brightness and the sync options. Brightness configuration consists of two parts: Left digit. Manual or automatic control of brightness 0 - Automatic control of brightness depending on the room light. 1 - Manual control of brightness.
- Page 6 Parameter 9: RS-485 configuration. This parameter is shown if the display includes RS-485 option: Access this parameter pressing the Advance key. Change the code according to the desired configuration. Code Baud Rate Data bits Parity Stop bits 4800 Bauds 7 bits No parity 9600 Bauds 7 bits...
- Page 7 Parameter A: GPS signal level: This parameter is only seen if the display includes GPS function. This parameter shows the quality of the GPS signal arriving to the antenna. Its maximum value is 50 and it must be over 20. If this occurs, the antenna must be moved closer to a window to get more signals. Parameter J: Maintenance parameter: This parameter is used in factory and must not be modified.
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Page 8: Ethernet Option
LAN, it is recommended to use the PC program “Display Discoverer”, downloadable from the web www.lartet.com. In this program, the displays connected to the LAN are displayed, as well as their IP addresses, their MAC addresses (all MAC are 00:04:A3:xx:xx:xx) and its name. The default name of the display is its serial number. - Page 9 Tip the new IP and click OK. There will appear a message in the main window with the message sent to the display. 1706K45B Page 9 of 27...
- Page 10 After some seconds, click the “Refresh” button. The display appears with the new IP Click the display IP to open a new tab in the browser. The main page of the web server is shown. 1706K45B Page 10 of 27...
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Page 11: User Interface
User interface Ethernet connection allows a new interface, much easier than the usual in displays. All configuration can be done through a website hosted at the display, so the user only needs a device connected to the LAN with web browser (computers, smartphones, tablets…). There is no contact with the display, which usually is in a difficult access point. - Page 12 First tab allows the user to configure the same parameters as the parameter menu in an easier and more intuitive way. When the user configures the display to sync through SNTP or another display, the server must be written in the field. The second tab allows configuring the network parameters of the display, including the IP address, DNS, etc.
- Page 13 Ethernet parameter configuration The Ethernet parameters, like the IP address, the Gateway, the subnet mask, etc can be configured manually or automatically through DHCP. Previously, the user must know the IP address he wants for the display. It is highly recommended to change the IP address from the default. Once the user has accessed the Ethernet tab of the display webpage, configure the parameters manually or activate the DHCP protocol for the display to request all the network parameters automatically.
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Page 14: Ethernet Network
Ethernet network Many Ethernet networks can be configured to sync one or more displays. The possible networks are shown below, as well as the main actions/parameters (seen from the webpage) the user must configure. Other parameters don’t care. Networks with one display One display Time and date •... - Page 15 One display. SNTP sync There are two options. Both are configured the same way. • Configure net parameters • Sync: SNTP • Write the server addres in the field. SNTP server Ethernet network Ethernet network SNTP server • Configure net parameters •...
- Page 16 Networks with more than one display Sync through a display with GPS The server display syncs itself with the GPS and others sync with the server display. Client display Server display • Configure net parameters • Configure net parameters • Sync: Display Ethernet •...
- Page 17 Sync through SNTP. Only one display connects to the SNTP server. This works for both cases: connecting to a local SNTP server o a cloud SNTP server. Only one display is connected to the SNTP server and serves the time to the other displays SNTP server Server display •...
- Page 18 Sync through SNTP. All displays connect to the SNTP server This works for both cases: connecting to a local SNTP server o a cloud SNTP server. All displays update from the SNTP server specified. SNTP server • Configure net parameters •...
- Page 19 Communication with commands through Ethernet The displays can obtain the displayed parameters through commands, as well as force the display time through TCP/IP commands. In this case, the display must be configured for not to sync another way or the sync will rewrite the programmed time.
- Page 20 RS-485 option The RS-485 allows the user to create a network for the displays to be synchronized. One display must be configured as a server and the others will configure with it. The parameter 9.1 (RS-485 configuration) must be the same for all. RS-485 network There are many configurations possible, only with RS-485 or combining different options this displays offer.
- Page 21 Sync through a display with GPS Server display Client display • • Sync (Parameter 4.2): 4 Sync (Parameter 4.2): 3 (RS- (GPS). 485). RS-485 network RS-485 network Client display • Sync (Parameter 4.2): 3 (RS- 485). 1706K45B Page 21 of 27...
- Page 22 Sync though a display with Ethernet connected to a SNTP server. SNTP server Server display • Configure net parameters • Sync: SNTP • Write the server addres in the field. Ethernet network Ethernet network RS-485 network RS-485 network Client display Client display •...
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Page 23: Response Frame
Communication with commands through RS-485 The displays can obtain the displayed parameters through commands, as well as force the display time through RS-485 commands. In this case, the display must be configured for not to sync another way or the sync will rewrite the programmed time. - Page 24 Time programming Frame Code Address Data End of block Code Address Month Year Space Hour Minute Second End of block ASCII Hexa 46h 48h Example: Send 13:16:00 16/05/2013 to the display at address 03. Code Address Data End of block Code Address Month...
- Page 25 Annex 2: View the web page remotely The web page of the display is accessible remotely if the router is correctly configured. This is done redirecting an input from the router to the display. User has to enter to the router configuration webpage, in the port redirection tab A new port must be added •...
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Page 26: Statement Of Conformity
Severo Ochoa, 80 Polígono Industrial Font del Radium 08403Granollers As the builder of the equipment of the LARTET brand: Model : DR-129 in all versions. We declare under our sole responsibility that the aforementioned product complies with the following European directives: Directive: LVD 2006/95/CEE Low Voltage Directive.