Thunder Laser RF Tube Fan Control Board Ports and Indicators for Troubleshooting
Preface: This article is high level information about the Fan Board ports and indicators and troubleshooting based of the visual observations. It is very technical
Fan Board Layout:
Fan Board Designations | Fan Board Wiring Connections |
Port Designations and Functions:
P1 - 48V power Input - Power will only be present after Machine is homed (initialized)P2 - In Parallel with P3 and used as a backup (no connection from factory) Speed of Fan indicated by D7P3 - 48V fan control for Housing - Speed of Fan indicated by D8P4 - 48V RF Tube Fan Speed Output - Speed of Fan indicated by D9P7 - PWM Input signal from the Ruida Controller (L-PWM and GND on CN-5)P8 - Laser OK to fire from Ruida Controller Input - 5V From U-Axis ConnectorP9 - Output signal of RF Tube Alarm - No connection - 5V means no alarmP10 - 24V Power Input for the Fan Control BoardP11 - Output signal for Alarm Status of the RF tube from the Fan Board to the TL TimerRJ1 - Output signals to the RF Tube
LED Status Indicators and Functions:
D1 - Pre-Ionization Status Incomplete - Light Off means Ionization is CompleteD2 - RF Tube Temperature Alarm (>65C, 149F) - On means Alarm PresentD3 - Indicates that the Fan board is receiving the 48V power on P1D5 - RF Tube Power Supply Voltage out of range (47V-49V), On means Alarm PresentD7 - Housing Fan Speed Indicator on P2 - Brightness of LED indicates Fan SpeedD8 - Housing Fan Speed Indicator on P3 - Brightness of LED indicates Fan SpeedD9 - RF Tube Fan Speed Indicator on P4 - Brightness of LED indicates Fan SpeedD10 - Indicates that the 5V signal from the Ruida Controller U-Axis connector is ok on P8D11 - Indicates an RF Tube alarm - On = OK, no alarmD15 - Indicates that the Fan Board is powered on by the 24V feed on P10
Fan Board Control Voltage Sections:
24V Section | 48V Section |
More Detailed Port Information:
Fan Board P11 Wiring:
These signals go to the TL Timer boardPin 1 - No ConnectionPin 2 - Blue Wire - Pre-ionization Error Signal to TL Timer - 5V means pre-ionization is complete and OKPin 3 - Brown wire - Temperature Alarm to TL Timer - 5V on is normal, temperature OKPin 4 - Black wire - Power Supply Status Alarm to TL Timer - 5V on is normal, power supply is within rangePin 5- Green\Yellow Wire - Normal or Smart mode for Fan Control - 0V means Intelligent Mode, 5V is standard modeFan Board Rj1 to RF Laser Tube "Ethernet" Port
LED and Port Truth Table:
Indicator Designation | Normal State | Pre-Conditions and Notes |
D1 | Off | Is on until the machine completes initialization, then On if alarm condition exists |
D2 | On | Is on until the machine completes initialization, then On if alarm condition exists |
D3 | Off | |
D5 | Off | Is on until the machine completes initialization, then On if alarm condition exists |
D7 | Off | Spare in parallel with D8 |
D8 | Varies in Brightness | Fan Speed indicated by Brightness of LED |
D9 | Varies in Brightness | Fan Speed indicated by Brightness of LED |
D10 | On | |
D11 | On | |
D15 | On | |
P11 - Pin 2 - Blue | 5V | |
P11 - Pin 3 - Brown | 5V | |
P11 - Pin 4 - Black | 5V | |
Reference Articles:
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