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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.\\ | ||
| Line 52: | Line 52: | ||
| \\ | \\ | ||
| 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.\\ | ||
| Line 76: | Line 76: | ||
| 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.\\ | ||
| Line 85: | Line 85: | ||
| 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.\\ |
| \\ | \\ | ||
| Line 107: | Line 107: | ||
| 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.\\ | + | |
| \\ | \\ | ||
| Line 117: | Line 117: | ||
| 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
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