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ice:master [2014/07/03 18:03]
jtshugrue [Specifications]
ice:master [2021/08/26 14:26] (current)
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 The diagram in <imgref pcbSchematic> below shows most of the pin definitions for the ICE-MC1.  The diagram in <imgref pcbSchematic> below shows most of the pin definitions for the ICE-MC1. 
  
-<imgcaption pcbSchematic|ICE-MC1 Master and Control Board connector schematic for OEM integration.>{{  :ice:master_oem_pinout-rev4.png?nolink&600 |}}</imgcaption>+<imgcaption pcbSchematic|ICE-MC1 Master and Control Board connector schematic for OEM integration.>{{  :ice:master_oem_pinout-rev4.png|}}</imgcaption> 
 + 
 +<imgcaption pcbDimensions|Connector and component positions on PCB.>{{ :ice:vpn00317_dimensions.jpg |Connector and component positions on PCB.}}</imgcaption>
  
 === Power Entry Connector === === Power Entry Connector ===
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 === Serial & GPIO Connector === === Serial & GPIO Connector ===
-Communication with the Master Controller and daughter modules is done through flat flex connecter J11. This connector contains two serial UART bi-directional communication busses, event system GPIO pins, and a safety interlock signal.  +Communication with the Master Controller and daughter modules is done through flat flex connecter J11 shown in <imgref pcbSchematic>. This connector contains two serial UART bi-directional communication busses, event system GPIO pins, and a safety interlock signal.  
-J11 is a 12-pin 1.00mm pitch flat flex connector (FCI SFW12R-1STE1LF) with a pin definition shown in <tabref backpanelffc>.+J11 is a 12-pin 1.00mm pitch flat flex connector (FCI SFW12R-1STE1LF) with a pin definition shown in <tabref backpanelffc>Pin 1 is shown below in <imgref FFCpindef>
 + 
 +<WRAP center round info 60%> 
 +Generally with flat flex jumper cables, the cables can be folded but the bend radius should not be less that 2mm. The clearance in front of the pcb FFC connectors must be at least 0.25 inches to allow the flat flex cable to exit and bend. The distance between the FFC connector and the first bend of the flat flex cable is determined by the length of the stiffener (or backing) on the flat flex cable. 
 +</WRAP> 
 + 
 +<imgcaption FFCpindef|Flat flex connector pin definition (pin 1 highlighted in yellow).>{{ :ice:sfw12r-1ste1lf_pin_diagram.jpg |}}</imgcaption> 
 + 
 +<WRAP>
 <tabcaption backpanelffc| Pin definitions for J11> <tabcaption backpanelffc| Pin definitions for J11>
 ^  **Pin**  ^  **Signal**  ^ ^  **Pin**  ^  **Signal**  ^
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 |  12  |  Safety Interlock  | |  12  |  Safety Interlock  |
 </tabcaption> </tabcaption>
 +</WRAP>
 +
  
 == Serial UART == == Serial UART ==
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 === REMOTE Supply Connector === === REMOTE Supply Connector ===
-This connector, located next to J11, is for internal enclosure use. It is used to send a power on signal to a remote power supply when the power switch is depressed. Consult Vescent for use of this connector.+This connector, located next to J11 shown in <imgref pcbSchematic>, is for internal enclosure use. It is used to send a power on signal to a remote power supply when the power switch is depressed. Consult Vescent for use of this connector.
 === Thermistor Connector === === Thermistor Connector ===
 A 10k NTC thermistor can be connected to this connector to enable the Master Controller to measure a case temperature. When temperature exceeds a set threshold, the Master Controller can shutdown power to the daughter boards. A 10k NTC thermistor can be connected to this connector to enable the Master Controller to measure a case temperature. When temperature exceeds a set threshold, the Master Controller can shutdown power to the daughter boards.
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 A momentary push button switch can be connected from SWITCH to GND_D. Briefly pulling SWITCH to ground (for longer than 10 ms) will toggle power to the Master Controller and daughter boards. When powering down, the switch will wait 1 second before turning off power the the Master Controller, allowing the Master Controller time to safely shutdown all daughter boards. The default behavior is that when power is applied to the Master Controller through the Power Entry connector, the board remains in an completely power off state (including the microcontroller on the Master Controller) and no serial commands will be acknowledged. The SWITCH signal must be pulled low to turn on the Master Controller, after which commands can be sent to power on or off the daughter boards. The LED+ and LED- signals can be connected to an LED to indicate power state. LED+ is connected 5V and LED- is connected through a 249 Ohm resistor and transistor to ground. A momentary push button switch can be connected from SWITCH to GND_D. Briefly pulling SWITCH to ground (for longer than 10 ms) will toggle power to the Master Controller and daughter boards. When powering down, the switch will wait 1 second before turning off power the the Master Controller, allowing the Master Controller time to safely shutdown all daughter boards. The default behavior is that when power is applied to the Master Controller through the Power Entry connector, the board remains in an completely power off state (including the microcontroller on the Master Controller) and no serial commands will be acknowledged. The SWITCH signal must be pulled low to turn on the Master Controller, after which commands can be sent to power on or off the daughter boards. The LED+ and LED- signals can be connected to an LED to indicate power state. LED+ is connected 5V and LED- is connected through a 249 Ohm resistor and transistor to ground.
 <WRAP center round info 60%> <WRAP center round info 60%>
-The power switch functionality and default power on behavior can be changed at the factory if these features are not needed.+The power switch functionality and default power on behavior can be changed at the factory if these features are not needed. This is set by a user accessible jumper on the circuit board. If the jumper is placed, the ICE-MC1 microcontroller will receive power as soon as +5V is applied to the power entry module.
 </WRAP> </WRAP>
  
ice/master.1404410609.txt.gz · Last modified: 2021/08/26 14:26 (external edit)