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Control card
2.1.6
Card configuration
The card configuration block is a block with three switches that determines the configuration of the card. For
the ZS MK2 only the 010 configuration is used which means that all three switches are in their OFF position
as shown below.
2.1.7
Outputs
The output section is used for power delivery to the solenoid and the coils that control the valves and thereby
the motion of the tail lift. The output block consists of 22 pins in total split into 2 rows. The top row consists
of 11 ground points used for the coils and the solenoid. Four of these pins are interconnected in two pairs for
cases where two coils need the same signal. The bottom row consists of 11 pins for power delivery to the
coils, solenoid and in some cases warning lights. On the right side of the output block there is a square white
quick connector that is sometimes used for output to U0 through U3 instead of the output pins on the output
block. To the right of the output block there is a single LED used for output fuse status indication. It lights up
green when there is voltage to outputs. Unlit LED means a short circuit or that the relay card is switched off.
To the left of the output block there is a LED strip with 10 LED's used for active output indication. The bottom
LED lights up when the control card is powered. It should stay lit constantly during normal operation. The top
9 LED's are used to indicate active output with each output having its own dedicated LED.
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