User guide
P/N: 021-00154, Rev. A.6 - updated for V4.7 Tools     Page | 47  
Digital Input LEDs 
Unused DVC5/10 digital inputs and the four extra LED provided for in the DVC5 can have their LED turned on or 
off by doing two things. First, define the digital input as being a toggle type using the digital inputs configuration 
screen. Finally by executing the statement Dig_1 = True or Dig_1 = False the LED will be turned on or off and 
remain so until the Dig_1 variable is set again. 
The four extra LED provided for in the DVC5 can have their LEDs turned on or off by simply setting the 
DVCLED_1, DVCLED_2, .… DVCLED_4 variable to true or false respectively. 
DVC7 LED Control
The DCV7 has four Red/Green LEDs. Two are positioned on each side. The application can switch the 
meaning of the LEDs using the Programming Tool DVC7 IO configuration screen. Note the Power On period 
time can be changed as well. This is provided so that depending on how your controller is oriented in your 
vehicle the appropriate LEDs for your application can be seen. 
The default meaning of the LEDs is as follows: 
LED1 = Network Status 
LED3 = Module Status 
LED2 = PWM % 
LED4 = status/error code/blinkcode 
Operation 
When a BIOS or application is being downloaded to the controller, LED1 and LED3 will alternate flashing green 
just like the Module Status (MS) and Network Status (NS) LEDs on the DVC5 and DVC10. 
The normal operation consists of a Power On period followed by normal operation. 
Power On Period 
Length: Default 30 seconds 
Summary: LED3 and LED4 act like the Module Status LED on the DVC5/10. LED1 and LED2 act like the 
Network Status LED on the DVC5/10 
NOTE: The application can change the length of the “Power ON” sequence. The programmer may wish to give 
more or less time for period. 
LED3 and LED4: Module Status 
LED2 LED1 
LED3 
LED4 










