Thermometer/hygrometer with rs-485 and ethernet function (27 pages)
Summary of Contents for LARTET DC-10ST
Page 1
TECHNICAL MANUAL DC-10ST Thermometer with RS-485 and Ethernet function 1660K096G Page 1 of 25...
Page 2
Thermometer with RS-485 and Ethernet function Introduction to the DC-10ST The DC-10ST display is presented as an easy-to use thermometer adjusted and calibrated at factory. The main window shows the current temperature with 0,1ºC resolution. 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 of the display”...
In case you have to lengthen the cord, the connection must be made on the terminal located within the display. DC-10ST characteristics. Power supply ..........100 VAC a 240 VAC 50/60Hz Consumption ..........35VA Consumption at minimum brightness ..13,2VA.
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. First parameter selects the brightness level, where11 is minimum and 15 is maximum brightness The second parameter (Accessed through the Enter key once selected the brightness configuration) configures the time sync depending on the capabilities and the user desires.
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 J: Maintenance parameter: This parameter is used in factory and must not be modified. Parameter P: Exit menu: Press Advance key to leave menu. 1660K096G Page 7 of 25...
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. 1660K096G Page 9 of 25...
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. 1660K096G Page 10 of 25...
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.
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 address in the field. SNTP server Ethernet network Ethernet network · Configure net parameters SNTP server ·...
Page 16
Nets with more than one display 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 17
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. · Configure net parameters · Sync: SNTP SNTP server ·...
Page 18
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 19
Display temperature request Frame This frame only includes the code. This does not send any data. Code End of block ACII Hexa 50h 54h Response frame Code Data End of block ASCII Hexa 52h 54h Example: Temperature=17.2ºC Code Data End of block ASCII Hexa 52h 54h...
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 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 ·...
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 23
Display temperature request Frame This frame only includes the code. This does not send any data. Code Address End of block ACII Hexa 50h 54h Example: Request temperature from the display in address 03 Code Address End of block ACII Hexa 50h 54h 30h 33h...
Page 24
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 ·...
Severo Ochoa, 80 Polígono Industrial Font del Radium 08403Granollers As the builder of the equipment of the LARTET brand: Model : DC-10ST 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.
Need help?
Do you have a question about the DC-10ST and is the answer not in the manual?
Questions and answers