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gca51-en [2018/11/12 08:56]
127.0.0.1 external edit
gca51-en [2020/04/22 12:03] (current)
phg [Firmware]
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-====== GCA51 2 x RFID + 8 input ports ======+====== GCA51 LocoNet ​2 x RFID + 8 input ports ======
 [[english|{{ ​ rocrail-logo-35.png}}]] [[english|{{ ​ rocrail-logo-35.png}}]]
  
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 too easy by the lokdecoder itself.\\ too easy by the lokdecoder itself.\\
 ID-12 together with one other sensor ID-20 were also pretty slow.\\ ID-12 together with one other sensor ID-20 were also pretty slow.\\
-But for LNet there was no solution yet\\ +But for LocoNet® ​there was no solution yet\\ 
-Thanks to the large amount of time that several ​enthousiastic ​Railroaders invested in this matter, \\+Thanks to the large amount of time that several ​enthusiastic ​Railroaders invested in this matter, \\
 the use of the much cheaper and better RC522 came in view.\\ the use of the much cheaper and better RC522 came in view.\\
 Special thanks to Viktor, Robert, Liviu and last but not least Gerard, we thank them this very nice solution.\\ Special thanks to Viktor, Robert, Liviu and last but not least Gerard, we thank them this very nice solution.\\
 As mentioned before, this RFID solution is based on the RC522 sensor, which is widely available for a good price.\\ As mentioned before, this RFID solution is based on the RC522 sensor, which is widely available for a good price.\\
 Also the transponder to be fixed in or under the locs and, eventually, also under the waggons and pullmans, is very cheap.\\ Also the transponder to be fixed in or under the locs and, eventually, also under the waggons and pullmans, is very cheap.\\
-The unit as described here is made for LNet specially.\\ +The unit as described here is made for LocoNet ​specially.\\ 
-It is based on a Atgmega ​processor , and to make programming easy for almost anybody, without the need for\\+It is based on a Atmega ​processor , and to make programming easy for almost anybody, without the need for\\
 special programmers,​ the Atmel is traded for an Arduino Uno.\\ special programmers,​ the Atmel is traded for an Arduino Uno.\\
-Now the Ardiono ​Nano, if bought by yourself, can be programmed using the on board USB connection.\\+Now the Arduino ​Nano, if bought by yourself, can be programmed using the on board USB connection.\\
 There is no need here for special programming devices.\\ There is no need here for special programming devices.\\
 See below under firmware.\\ See below under firmware.\\
 GCA51 contains two inputs for RC522 sensor, and 8 x input ports like it's standard brother GCA50.\\ ​ GCA51 contains two inputs for RC522 sensor, and 8 x input ports like it's standard brother GCA50.\\ ​
-Also GCA51 has connections for standard RJ12 LNet connectors, as wel as GCA-LNet with the much more reliable SUB-D solution.\\ +Also GCA51 has connections for standard RJ12 LocoNet® ​connectors, as wel as GCA-LocoNet® ​with the much more reliable SUB-D solution.\\ 
-GCA51 can also be used for adapting between both connection options, but only for the LNet communication.\\+GCA51 can also be used for adapting between both connection options, but only for the LocoNet® ​communication.\\
 Supply is not transferred between RJ12 connectors and SUB-D connectors,​\\ ​ Supply is not transferred between RJ12 connectors and SUB-D connectors,​\\ ​
-due to the rather strange situation that Railsync in LocoNet ​is used to supply the LocoNet ​modules,\\+due to the rather strange situation that Railsync in LocoNet® ​is used to supply the LocoNet® ​modules,\\
 Railsync itself is yet transferred.\\ Railsync itself is yet transferred.\\
 Rocrail is 100 % ready for RFID, so now you have a perfect system, capable of indicating each moving part on your railroad separately.\\ Rocrail is 100 % ready for RFID, so now you have a perfect system, capable of indicating each moving part on your railroad separately.\\
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 The board needs 5 V supply. The board needs 5 V supply.
 The total demand for the GCA51 when all I/O and RFID sensors are connected, exceeds easy 200- 300 mA.\\ The total demand for the GCA51 when all I/O and RFID sensors are connected, exceeds easy 200- 300 mA.\\
-This is a bit too much for a standard linear regulator like the good old 7805, since we have a supply form LocoNet or GCA LNet of 12V or even more.\\+This is a bit too much for a standard linear regulator like the good old 7805, since we have a supply form LocoNet or GCA LocoNet ​of 12V or even more.\\
 It means that regulator should have a cooling for the 7 x 0,3 = 2,1 Watt.\\ It means that regulator should have a cooling for the 7 x 0,3 = 2,1 Watt.\\
 Slowly the switching regulators are getting cheaper.\\ Slowly the switching regulators are getting cheaper.\\
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 \\ \\
 GCA51 has two ways of connection:​\\ GCA51 has two ways of connection:​\\
-- via GCA-LNet D-connectors\\+- via GCA-LocoNet ​D-connectors\\
 - via standard RJ12 connectors.\\ - via standard RJ12 connectors.\\
 In both situations the power is connected between the two connectors (Railsync + / - in case of RJ12)\\ In both situations the power is connected between the two connectors (Railsync + / - in case of RJ12)\\
-Between D-Connector and RJ12, only Ground and LNet signal is passed through.\\+Between D-Connector and RJ12, only Ground and LocoNet ​signal is passed through.\\
 This is done to avoid any railsync problems.\\ This is done to avoid any railsync problems.\\
 High speed diodes D1,D2 and D3 take care of that.\\ High speed diodes D1,D2 and D3 take care of that.\\
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 If that is inevitable, keep a distance of 10cm  (approx 4''​).\\ If that is inevitable, keep a distance of 10cm  (approx 4''​).\\
 Straight angle crossing is no problem.\\ Straight angle crossing is no problem.\\
-A bit of twisting these wires (also the rail wires) will inprove ​protection to any distorsion.\\+A bit of twisting these wires (also the rail wires) will improve ​protection to any distortion.\\
 Be sure to install RP1 and RP2 with a value of 4 x 470 Ohm each for best performance.\\ Be sure to install RP1 and RP2 with a value of 4 x 470 Ohm each for best performance.\\
 Below, a drawing is downloadable of how to connect hallsensors.\\ Below, a drawing is downloadable of how to connect hallsensors.\\
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 All driver boards for input and output like GCA76, GCA77, GCA93, GCA94, GCA107, GCA173 ​ etc, can all be used to connect to J1.\\ All driver boards for input and output like GCA76, GCA77, GCA93, GCA94, GCA107, GCA173 ​ etc, can all be used to connect to J1.\\
 Programming of the these I/O ports can be done in Rocrail using menue'​s Programming > GCA > GCA50\\ Programming of the these I/O ports can be done in Rocrail using menue'​s Programming > GCA > GCA50\\
-Ports 9 to 16 are available for that, which are also used for hall-senor connection\\+Ports 9 to 16 are available for that, which are also used for hall-sensor ​connection\\
 Up until now, only pulse outputs are not supported.\\ Up until now, only pulse outputs are not supported.\\
 Maybe in the short future, that will also be available.\\ ​ Maybe in the short future, that will also be available.\\ ​
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 If connector J1 is used for inputs like GCA93 and GCA94, it is better to use pull-resistors.\\ If connector J1 is used for inputs like GCA93 and GCA94, it is better to use pull-resistors.\\
 RP1 and RP2 are used for that.\\ RP1 and RP2 are used for that.\\
-A standard value of 10 KOhm is usually sufficient.\\+A standard value of 1O KOhm is usually sufficient.\\
 They are deliberately inserted in sockets, so they can be adapted in value for best performance,​ or removed when outputs are selected.\\ ​ They are deliberately inserted in sockets, so they can be adapted in value for best performance,​ or removed when outputs are selected.\\ ​
 For hall-sensor use, these resistor arrays should be between 470 Ohm and 1 Kohm, to guarantee a\\ For hall-sensor use, these resistor arrays should be between 470 Ohm and 1 Kohm, to guarantee a\\
-most reliable and distorsion ​free functioning.\\+most reliable and distortion ​free functioning.\\
 \\ \\
  
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 To make it simple for programming the Nano.\\ To make it simple for programming the Nano.\\
 The zip file above also contains a //​GCA51.hex//​ file.\\ The zip file above also contains a //​GCA51.hex//​ file.\\
-Download, install and execute the program Xloader here {{:​http://​www.hobbytronics.co.uk/​arduino-xloader}}\\ + 
-Then use it to program the hex. file via USB, no Arduino program needed.\\+
 \\ \\
  
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 Two main setup options are available in this unit.\\ Two main setup options are available in this unit.\\
 **These are all prototypes.!! Professional made pc-board are available now.**\\ **These are all prototypes.!! Professional made pc-board are available now.**\\
-|  SUB-D male and female for GCA LNET and  \\  1 x RJ12 for standard LocoNet ​ \\  in LTD-01 box.  |  Same without the box  |   2x RJ12 for standard LocoNet compatibility ​ \\  in LTD-01 box.  |  ​+|  SUB-D male and female for GCA LocoNet ​and  \\  1 x RJ12 for standard LocoNet ​ \\  in LTD-01 box.  |  Same without the box  |   2x RJ12 for standard LocoNet compatibility ​ \\  in LTD-01 box.  |  ​
 |  {{:​gca:​gca51_pict03.jpg?​200}} ​ |  {{:​gca:​gca51_pict04.jpg?​200}} ​ |  {{:​gca:​gca51_pict05.jpg?​200}} ​ | |  {{:​gca:​gca51_pict03.jpg?​200}} ​ |  {{:​gca:​gca51_pict04.jpg?​200}} ​ |  {{:​gca:​gca51_pict05.jpg?​200}} ​ |
  
 ===== How to connect and use RC522 RFID sensor board ===== ===== How to connect and use RC522 RFID sensor board =====
-[[RC522-sensor-board.en|Click here for the RC522 page]]+[[RC522-sensor-board-en|Click here for the RC522 page]]
 {{ :​gca:​rc522_with_pss254-8w_connector.gif?​150}} {{ :​gca:​rc522_with_pss254-8w_connector.gif?​150}}
  
  
  
gca51-en.1542009373.txt.gz · Last modified: 2018/11/12 08:56 by 127.0.0.1