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ea-ps_2084-03b [2015/06/07 19:17] – [teardown] kingkevinea-ps_2084-03b [2024/01/07 17:49] (current) – external edit 127.0.0.1
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   * set voltage and current: in 0.1 V and 0.01 A steps   * set voltage and current: in 0.1 V and 0.01 A steps
   * wide voltage range (0-50 V): 0-84 V, 0-3 A (not a lot, but enough for electronics), limited to 100 W   * wide voltage range (0-50 V): 0-84 V, 0-3 A (not a lot, but enough for electronics), limited to 100 W
-  * silent: not fan, full passive cooling+  * silent: no fan, full passive cooling
   * have an earth connection: on the front panel   * have an earth connection: on the front panel
   * not expensive: ~ 80 €   * not expensive: ~ 80 €
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   * [[http://www.elektroautomatik.de/files/eautomatik/treiber/ps2000b/programming_ps2000b.zip|programming manual]] ({{:ea-ps_2084-03b:programming_ps2000b.zip|archive}})   * [[http://www.elektroautomatik.de/files/eautomatik/treiber/ps2000b/programming_ps2000b.zip|programming manual]] ({{:ea-ps_2084-03b:programming_ps2000b.zip|archive}})
   * [[http://www.elektroautomatik.de/files/eautomatik/treiber/usb/usb_cdc_acm_driver.zip|driver]] (USB ACM for Windows)   * [[http://www.elektroautomatik.de/files/eautomatik/treiber/usb/usb_cdc_acm_driver.zip|driver]] (USB ACM for Windows)
-  * [[http://www.elektroautomatik.de/en/easyps2000-en.html|easyPS2000 software]] (Windows, demo version)+  * [[http://www.elektroautomatik.de/en/easyps2000.html|easyPS2000 software]] (Windows, demo version)
  
 ====== measurement ====== ====== measurement ======
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 To control the power supply I implemented the protocol described in the {{:ea-ps_2084-03b:ps2000b_programming.pdf|programming manual}}. To control the power supply I implemented the protocol described in the {{:ea-ps_2084-03b:ps2000b_programming.pdf|programming manual}}.
-The source code is available on [[https://git.cuvoodoo.info/kingkevin/ea-ps_2084-03b/tree/master|git]].+The source code is available on [[https://git.cuvoodoo.info/kingkevin/ea-ps_2084-03b/|git]].
  
-The [[https://git.cuvoodoo.info/kingkevin/ea-ps_2084-03b/blob/master/control.rb|control]] programming will increment the voltage from 0 to 84 V in 0.1 V steps, at 1.0 A.+The [[https://git.cuvoodoo.info/kingkevin/ea-ps_2084-03b/src/branch/master/control.rb|control]] programming will increment the voltage from 0 to 84 V in 0.1 V steps, at 1.0 A.
 It will set the voltage and current which are set, actual (measured by the power supply), and [[#mutlimeter|measured]] (measured by the DMM) It will set the voltage and current which are set, actual (measured by the power supply), and [[#mutlimeter|measured]] (measured by the DMM)
  
 +Using [[https://git.cuvoodoo.info/kingkevin/ea-ps_2084-03b/src/branch/master/probe.rb|this script]] I could also find the following undocumented objects (for commands): 80, 81, 82, 83, 84, 85, 86, 87, 88, 149, 150, 151, 152, 156, 158, 160, 161, 162.
 +These probably allow you to flash the firmware or calibrate the power supply.
 ===== multimeter ===== ===== multimeter =====
  
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 Finally I found a FT232-based RS232 to USB converter. Finally I found a FT232-based RS232 to USB converter.
 This is an expensive cable (but good quality), from an evil company, and it worked. This is an expensive cable (but good quality), from an evil company, and it worked.
 +
 +Here is the schematic of this cable:
 +
 +{{:ea-ps_2084-03b:ut-d02.svg?400|}}
  
 But instead of using it, I decided to connect the cable to a CP2102-based UART to USB converter. But instead of using it, I decided to connect the cable to a CP2102-based UART to USB converter.
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 ====== teardown ====== ====== teardown ======
  
-Well lay out, good components, german quality ;)+Well laid out, good components, german quality ;)
  
 {{:ea-ps_2084-03b:dsc02155-mini.jpg?175|}} {{:ea-ps_2084-03b:dsc02155-mini.jpg?175|}}
ea-ps_2084-03b.1433704679.txt.gz · Last modified: 2024/01/07 17:49 (external edit)