LARTET DC-22SRT, Technical Manual

Page 1: ...1660K073H Page 1 of 28 TECHNICAL MANUAL DC 22SRT Clock and thermometer with GPS RS 485 and Ethernet ...

Page 2: ... of the parameters of the display see GPS 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...

Page 3: ...ove the methacrylate cover Place the 4 supplied plugs at the distance showed in the drawing Place the 2 upper screws leaving their head outside for 4 mm Hang the display using the upper side zig zag Place the lower screws Tighten all the screws Replace the methacrylate cover Powering the display Power supply must be from 100VAC to 240VAC 50 60 Hz You must use a Schuko type plug that has grounded t...

Page 4: ... 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 Parameters of the display There...

Page 5: ...guration easy for the user when changing a parameter a point is turned on This point changes depending on the sub parameter if it exists the user is in 8 8 88 88 88 8 8 88 88 8 8 ENTER ENTER ENTER Parameters are detailed below Parameter 1 Date configuration This parameter configures de date as well as the wintertime summertime automatic switchover configuration When entering this parameter the day...

Page 6: ...ay without Ethernet connection selecting SNTP sync will have no effect Options are 0 Do not sync 1 Sync with another display through Ethernet 2 Sync through SNTP 3 Sync with another display through RS 485 4 Sync through GPS Parameter 5 Display power up time This parameter configures the time the display changes form power save mode to full operative mode When accessing in this parameter the hour t...

Page 7: ...ds 8 bits Odd 1 17 9600 Bauds 8 bits Odd 1 18 19200 Bauds 8 bits Odd 1 19 4800 Bauds 7 bits No parity 2 20 9600 Bauds 7 bits No parity 2 21 19200 Bauds 7 bits No parity 2 22 4800 Bauds 8 bits No parity 2 23 9600 Bauds 8 bits No parity 2 24 19200 Bauds 8 bits No parity 2 25 4800 Bauds 7 bits Even 2 26 9600 Bauds 7 bits Even 2 27 19200 Bauds 7 bits Even 2 28 4800 Bauds 8 bits Even 2 29 9600 Bauds 8 ...

Page 8: ...Displays that include GPS sync with the GPS standard signal This allows a better time sync without Ethernet connectivity GPS antenna includes a magnet that can be fixed to a ferric surface This antenna must be placed close to a window or in a place with thin roof The most hidden the antenna is the longer will take to get the GPS signal GPS can spend up to half an hour to fix the signal if the ante...

Page 9: ... range of you 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 This name can be changed in the Ethernet tab of the web server of the di...

Page 10: ...1660K073H Page 10 of 28 Tip the new IP and click OK There will appear a message in the main window with the message sent to the display ...

Page 11: ...1660K073H Page 11 of 28 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 ...

Page 12: ...display which usually is in a difficult access point The web page can be accessed remotely if the router is correctly redirected See Annex 2 View the web page remotely for more information The main page shows the same date and time of the display as well as the GPS signal quality if the option is included and the display IP This main page is for the user to control the status of the display In the...

Page 13: ...n in the field The second tab allows configuring the network parameters of the display including the IP address DNS etc The display can use DHCP to get these parameters on its own The name of the display can be changed according to the needs of the user This name is used to identify and access the display throw web browser typing the name in the URL In case of failure or errors reset the display b...

Page 14: ...When clicking the button validate the system saves the changes and reboots If the parameters are put manually the work is finished On the other side the display may have changed the IP address This IP address can be checked and changed through parameters or the Display Discoverer The DHCP can be left enabled or disabled If the user modifies the IP address the DHCP protocol will be disabled Go to t...

Page 15: ...actions parameters seen from the webpage the user must configure Other parameters don t care Networks with one display One display Ethernet network Ethernet network Time and date introduction by user if necessary Configure net parameters Sync no One display with GPS Ethernet network Ethernet network Review parameter A GPS signal Sync GPS Review parameter A from the web ...

Page 16: ... Both are configured the same way Ethernet network Ethernet network Ethernet network Ethernet network SNTP server Configure net parameters Sync SNTP Write the server addres in the field SNTP server Configure net parameters Sync SNTP Write the server addres in the field ...

Page 17: ...thers sync with the server display Ethernet network Ethernet network Client display Configure net parameters Sync Display Ethernet Write the display server addres in the field Server display Configure net parameters Sync GPS DHCP no Client display Configure net parameters Sync Display Ethernet Write the display server addres in the field ...

Page 18: ...SNTP server and serves the time to the other displays Ethernet network Ethernet network Client display Configure net parameters Sync Display Ethernet Write the display server addres in the field Server display Configure net parameters Sync SNTP Write the server addres in the field DHCP no SNTP server Client display Configure net parameters Sync Display Ethernet Write the display server addres in t...

Page 19: ...rver o a cloud SNTP server All displays update from the SNTP server specified Ethernet network Ethernet network Configure net parameters Sync SNTP Write the server addres in the field SNTP server Configure net parameters Sync SNTP Write the server addres in the field Configure net parameters Sync SNTP Write the server addres in the field ...

Page 20: ...mands must be sent to is 9760 The following frames can be sent Command Code Data End of block Display time request P H Display temperature request P T Time programming F H Display time request Frame This frame only includes the code This does not send any data Code End of block ACII P H Hexa 50h 48h Response frame Code Data End of block Code Day Month Year Space Hour Minute Second End of block ASC...

Page 21: ...e Temperature 17 2ºC Code Data End of block ASCII R T 1 7 2 Hexa 52h 54h 31h 37h 2Eh 32h Time programming Frame Code Data End of block Code Day Month Year Space Hour Minute Second End of block ASCII F H DD MM AA HH MM SS Hexa 46h 48h 20h Example 13 06 00 16 05 2013 Code Data End of block Code Day Month Year Space Hour Minute Second End of block ASCII F H 16 05 13 13 16 00 Hexa 46h 48h 31h 36h 30h ...

Page 22: ...tion 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 The following networks are the most usual but the user can create new ones Sync through one display without more options RS 485 network RS 485 network Client display Sync Parameter 4 2 3 RS 485 Client display Sync Parameter 4 2 3 RS 485 Server disp...

Page 23: ...073H Page 23 of 28 Sync through a display with GPS RS 485 network RS 485 network Client display Sync Parameter 4 2 3 RS 485 Client display Sync Parameter 4 2 3 RS 485 Server display Sync Parameter 4 2 4 GPS ...

Page 24: ...ed to a SNTP server Ethernet network Ethernet network RS 485 network RS 485 network Client display Sync Parameter 4 2 3 RS 485 Server display Configure net parameters Sync SNTP Write the server addres in the field SNTP server Client display Sync Parameter 4 2 3 RS 485 ...

Page 25: ...ure request P T Time programming F H Display time request Frame This frame only includes the code This does not send any data Code Address End of block ACII P H H L Hexa 50h 48h Example Request time from the display in address 03 Code Address End of block ACII P H 03 Hexa 50h 48h 30h 33h Response frame Code Address Data End of block Code Address Day Month Year Space Hour Minute Second End of block...

Page 26: ...ponse from the frame sent in the example before Temperature 17 2ºC Code Address Data End of block ASCII R T 03 1 7 2 Hexa 52h 54h 30h 33h 31h 37h 2Eh 32h Time programming Frame Code Address Data End of block Code Address Day Month Year Space Hour Minute Second End of block ASCII F H H L DD MM AA HH MM SS Hexa 46h 48h 20h Example Send 13 16 00 16 05 2013 to the display at address 03 Code Address Da...

Page 27: ...inal Port The same port as the start port Internal Start Port The port the user enters wants to enter the display In this case the port is 80 which is the standard web page access IP address The LAN IP of the display Port redirection configuration Server name External Start Port External Final Port Protocol Internal Start Port Internal Final Port Server IP address Display 10021 10021 TCP 80 80 192...

Page 28: ...ies with the following European directives Directive LVD 2006 95 CEE Low Voltage Directive Standard UNE EN61010 1 Security in electric equipment Directive EMC 2014 30 UE Electromagnetic Compatibility Standard UNE EN 61000 6 4 Generic Emission Standard Industrial environment Standard UNE EN 61000 6 2 Generic Immunity Standard Industrial environment Directive 2011 65 CE Restriction of the use of cer...