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slice:dcc [2019/08/29 10:19]
Michael Radunsky [Proper Usage]
slice:dcc [2019/09/24 15:13] (current)
Michael Radunsky [Error States]
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 </​WRAP>​ </​WRAP>​
  
-The SLICE-DCC Current Controller is intended for driving laser diodes. ​ When using lasers particular care must be given to exposure hazards.+The SLICE-DCC Current Controller is intended for driving laser diodes. ​ When using lasers particular care must be given to avoid exposure hazards.
  
-{{ d2:​d2-100:​class_iiib.png?​430 }}+{{ d2:​d2-100:​class_iiib.png?​250 }}
 =====Description===== =====Description=====
  
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 | SLICE-DC-2000 | 2 A | | SLICE-DC-2000 | 2 A |
 </​tabcaption></​WRAP>​ </​tabcaption></​WRAP>​
-=====Purchase Includes=====+===== Purchase Includes =====
   * SLICE-DCC dual-channel Current Controller   * SLICE-DCC dual-channel Current Controller
   * AC power cord with appropriate wall plug for you location (if known)   * AC power cord with appropriate wall plug for you location (if known)
   * Two 6 ft SMA cables   * Two 6 ft SMA cables
-  ​* Two D2-007 Breakout boards +  * One BNC grounding cap for door safety interlock
-  ​* One 50 Ω terminator ​for rear-panel ​safety interlock+
   * Two keys for lock out   * Two keys for lock out
   * Final Test Documentation   * Final Test Documentation
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 =====Specifications===== =====Specifications=====
 <WRAP center round box 60%><​tabcaption specs|Specifications of SLICE-DCC>​ <WRAP center round box 60%><​tabcaption specs|Specifications of SLICE-DCC>​
-|  **Performance((Subject to change without notice))** ​                                                      ​|| +|  **Performance((Subject to change without notice))** ​                                                         || 
-^ **Parameter** ​                                                 ^ **Value** ​                                 +^ **Parameter** ​                                                       ^ **Value** ​                              ​
-| Channels ​                                                      ​|  2                                          +| Channels ​                                                            ​|  2                                      
-| Control ​                                                       |  Touch Screen, GUI, Serial commands ​        ​+| Control ​                                                             |  Touch Screen, GUI, Serial commands ​    ​
-| Operation Modes                                                |  Constant Current\\ Constant Power          +| Operation Modes                                                      |  Constant Current\\ Constant Power      
-| \\ \\ Maximum Current ​                                         |  200 mA\\ 500 mA\\ 1 A\\ 2 A                +| \\ \\ Maximum Current ​                                               |  200 mA\\ 500 mA\\ 1 A\\ 2 A            
-| \\ \\ Current Noise((Constant Current Mode)) ((rms 10 Hz to 1 MHz))  |  1.5\\ 4\\ 10\\ 15                          +| \\ \\ Current Noise((Constant Current Mode)) ((rms 10 Hz to 1 MHz))  |  1.5\\ 4\\ 10\\ 15                      
-| Modulation Bandwidth ​                                          ​|  DC to >1 MHz                               ​+| Modulation Bandwidth((3 dB))                                         |  DC to >1 MHz                           ​
-| Modulation Depth                                               ​|  ±10 mA                                     ​+| Modulation Depth                                                     ​|  ±10 mA                                 ​
-| Modulation Transfer Function ​                                  ​|  1 mA/V                                     ​+| Modulation Transfer Function ​                                        ​|  1 mA/V                                 ​
-| Modulation Input Range                                         ​|  ±10 V                                      +| Modulation Input Range                                               ​|  ±10 V                                  
-| Current Resolution ​                                            ​|  100 µA                                     ​+| Current Resolution ​                                                  ​|  100 µA                                 ​
-| Drift                                                          |  <25 µA/​°C ​                                 +| Drift                                                                |  <25 µA/​°C ​                             
-| Power Stability((constant power mode)) ​                        ​|  0.1% rms((relative to maximum power)) ​     +| Power Stability((constant power mode)) ​                              ​|  0.1% rms((relative to maximum power)) ​ 
-| Maximum Compliance Voltage ​                                    ​|  12 V                                       ​+| Maximum Compliance Voltage ​                                          ​|  12 V                                   ​
-| Triggering ​                                                    ​|  TTL                                        |+| Triggering ​                                                          ​|  TTL                                    |
 </​tabcaption></​WRAP>​ </​tabcaption></​WRAP>​
  
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 <​imgcaption enter_butt|Enter button>​{{ :​slice:​slice-qt-enter.jpg?​76x76 |}}</​imgcaption>​ <​imgcaption enter_butt|Enter button>​{{ :​slice:​slice-qt-enter.jpg?​76x76 |}}</​imgcaption>​
 Accepts parameter edits and exits keypad. Accepts parameter edits and exits keypad.
 +
 +==== Extendable Legs ====
 +The SLICE-DCC has four extendable legs (<imgref belly>​). ​ Extending the front legs allows easy viewing from above (<imgref dcc_prod_shot>​) and extending the rear legs (<imgref side>) allows easy viewing from below.
 +
 +<WRAP half column><​imgcaption belly|Underside of SLICE-DCC>​{{ :​slice:​dcc:​dcc_underbelly_labelled.png |}}</​imgcaption>​
 +</​WRAP>​
 +<WRAP half column><​imgcaption side|Side view of SLICE-DCC configured for viewing from below>{{ : slice:​dcc:​slice-dcc_looking_down.png?​400 |}}</​imgcaption></​WRAP>​
 ===== SLICE-DCC Operation ===== ===== SLICE-DCC Operation =====
 The Home screen displays the status of both channels (<imgref home_scr_dcc>​). ​ The data for each channel is arranged vertically. ​  At a glance, for each channel, I<​sub>​set</​sub>,​ and Compliance Voltage can be read.  Touching the blue window labelled Voltage [V] will cause this window to toggle from displaying ​ Compliance Voltage to displaying dissipated Power. The Home screen displays the status of both channels (<imgref home_scr_dcc>​). ​ The data for each channel is arranged vertically. ​  At a glance, for each channel, I<​sub>​set</​sub>,​ and Compliance Voltage can be read.  Touching the blue window labelled Voltage [V] will cause this window to toggle from displaying ​ Compliance Voltage to displaying dissipated Power.
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 <WRAP center round box 60%> <WRAP center round box 60%>
-| {{ :​warning-sign.png?​300&​nolink }} |Although there is protection circuitry to avoid reverse biasing the diode, ​it is not advisable to modulate under conditions where the current ​would be driven in reverse polarity. |+| {{ :​warning-sign.png?​300&​nolink }} |Although there is protection circuitry to reduce ​reverse biasing the diode, ​negative voltages as high as -0.5 V can be applied. ​ It is not advisable to modulate under conditions where negative voltage ​would be applied. Avoid low current set points with large-amplitude modulation.|
 | {{ :​warning-sign.png?​300&​nolink }} |Make sure that the modulation input cannot drive the current above the maximum rated current for your device by [[slice:​dcc#​Setting the Current Limit|setting the Current Limit appropriately]]. ​ | | {{ :​warning-sign.png?​300&​nolink }} |Make sure that the modulation input cannot drive the current above the maximum rated current for your device by [[slice:​dcc#​Setting the Current Limit|setting the Current Limit appropriately]]. ​ |
 </​WRAP>​ </​WRAP>​
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 External control of the SLICE-DCC is accomplished via a TTL trigger.((https://​en.wikipedia.org/​wiki/​Logic_level)) 0 to 0.8 V TTL is low and 2 to V<​sub>​CC</​sub>​ is TTL high. External control of the SLICE-DCC is accomplished via a TTL trigger.((https://​en.wikipedia.org/​wiki/​Logic_level)) 0 to 0.8 V TTL is low and 2 to V<​sub>​CC</​sub>​ is TTL high.
 === Trigger Out === === Trigger Out ===
-The Trigger Out on the back panel of the SLICE-DCC can be programmed to go high if an interlock (key or door) is opened. ​ The screen shown in <imgref trigger_out>​ will be reached by touching I/O > Trigger Out.  Checking ​either ​box will cause the Trigger Out to go high if either the door interlock or the key interlock is opened. +The Trigger Out on the back panel of the SLICE-DCC can be programmed to go high if an interlock (key or door) is opened. ​ The screen shown in <imgref trigger_out>​ will be reached by touching I/O > Trigger Out.  Checking ​the box will cause the Trigger Out to go high if either the door interlock or the key interlock is opened. 
-<​imgcaption trigger_out|Setting an output trigger>​{{ :slice:dcc:output_trigger.png?​430x254 |}}</​imgcaption>​+<​imgcaption trigger_out|Setting an output trigger>​{{ : slice:dcc:trigger_interlock.png?​430x254 |}}</​imgcaption>​
 === Trigger In === === Trigger In ===
 The input trigger can be used to turn on or off the current for either or both channels. ​ From any screen, touch I/O > Trigger In.  You will be presented with the window in <imgref trigger_in>​. ​ Select which channels you wish to control with the incoming trigger. ​ In <imgref trigger_in_2>,​ current to CH 2 will be disabled if the Trigger In goes high. The input trigger can be used to turn on or off the current for either or both channels. ​ From any screen, touch I/O > Trigger In.  You will be presented with the window in <imgref trigger_in>​. ​ Select which channels you wish to control with the incoming trigger. ​ In <imgref trigger_in_2>,​ current to CH 2 will be disabled if the Trigger In goes high.
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 ===== Error States ===== ===== Error States =====
  
 +==== Interlock Open ====
 If either the key switch is deactivated or the interlock is opened while the system is operating, the SLICE-DCC will stop delivering current and the Enable window will flash red with INTERLOCK displayed (<imgref inter_open>​). In order to resume normal operation, interlocks must be restored to their operational state and the window must be touched to reset the tripped interlock. \\  If either the key switch is deactivated or the interlock is opened while the system is operating, the SLICE-DCC will stop delivering current and the Enable window will flash red with INTERLOCK displayed (<imgref inter_open>​). In order to resume normal operation, interlocks must be restored to their operational state and the window must be touched to reset the tripped interlock. \\ 
 <​imgcaption inter_open|Interlock Open state>{{ slice:​dcc:​interlock_open.png?​430X254 |}}</​imgcaption>​ <​imgcaption inter_open|Interlock Open state>{{ slice:​dcc:​interlock_open.png?​430X254 |}}</​imgcaption>​
  
 +==== Open Circuit ====
 If the SLICE-DCC attempts to deliver current, but is unable to do so, it assumes an open circuit fault. ​ The Enable window on the Home screen for that channel will flash red with the warning "Open Circuit/​Over Voltage"​ (<imgref open>). If the SLICE-DCC attempts to deliver current, but is unable to do so, it assumes an open circuit fault. ​ The Enable window on the Home screen for that channel will flash red with the warning "Open Circuit/​Over Voltage"​ (<imgref open>).
  
slice/dcc.1567099152.txt.gz · Last modified: 2019/08/29 10:19 by Michael Radunsky