Flex 620
Programming - Revision 5, 11/22/01
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95
Test Gnd
The Gnd (Ground) test utilizes a unique method of ground detection. A measurement
is taken from the +5 supply to earth ground and a value is displayed. Then a
measurement from system common is taken and its value is displayed. The
differential value between these two measurements must be greater than 142 but less
than 255 for a reading of “Good”.
Note : The values displayed are derived from an A/D conversion and not displayed in
actual voltages.
Test Menu
1=Input 2=Output 3=ID 4=Gnd
5=Lamp 0=Exit
>4
Ground Fault Test
Press Enter Key To Exit
142 < Diff < 255
5V=216, Gnd=1, Diff=215 : Good
Test Lamp
The Test Lamp selection will cause the system to test the LED’s on all of the modules
in the system. The sounder will alternate on and off while each cards LED’s are lit in
sequence.
Test Menu
1=Input 2=Output 3=ID 4=Gnd
5=Lamp 0=Exit
>5
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Summary of Contents for FLEXALARM 620
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