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• Mainboard - Hardware - Pin assignment (sorted by pin numbers)

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Connection list for the ESX 3XL computer in the AMS
ESX 3XL Connection list (45 KB .xls)

Click at the diagrams to get a bigger picture and a zoom-function:

For test of the Engine RPM, Output Switches, CVT and Steering modules something like the following hardware will be needed.

Channel 1 (KS1 pin 70) : Extra engine speed input. (PNP 12 V).
Channel 2 (KS1 pin 12) : Extra prop shaft (CVT) input. (PNP 12 V).
Channel 5 (KS1 pin 69) : Prop shaft (CVT) quadrature encoder A. (PNP 12 V).
Channel 6 (KS1 pin 11) : Prop shaft (CVT) quadrature encoder B. (PNP 12 V).
Channel 7 (KS1 pin 30) : Engine speed. (PNP 12 V).
??Channel 8 (KS1 pin 49) : CVT Neutral. Switch to 12 V (i.e. PNP type).
Channel 9 (KS1 pin 68) : Steering angle left. (Potentiometer).
Channel 10 (KS1 pin 10) : Steering angle right. (Potentiometer).

Channel 2 (KS1 pin 33) : Aux Rear (hydraulics).
Channel 3 (KS1 pin 51) : Lights (head).
Channel 4 (KS1 pin 52) : Horn.
Channel 6 (KS1 pin 14) : Reversing Lights.
Channel 7 (KS1 pin 71) : Flashing Light Left (indicator light).
Channel 8 (KS1 pin 72) : Flashing Light Right (indicator light).
Channel 9 (KS2 pin 49) : Steering reference.
Channel 13 (KS2 pin 50) : CVT Speed reference.
Channel 16 (KS2 pin 70) : PTO Rear.
Channel 17 (KS2 pin 51) : Engine speed reference.

Uext1 (KS1 pin 66) ??Supply for steering angle potentiometers?
AGND (for Uext1) (KS1 pin 47)

+UB1 (KS1 pin 5)
+UB2 (KS2 pin 5)
+UB3 (KS2 pin 2)

TXD (KS1 pin 44)
RXD (KS1 pin 63)

CAN1_H (KS1 pin 7 / 8)
CAN1_L (KS1 pin 26 / 27)
  Consider whether both pins should be connected (what would be the easiest
  in case the test pattern generator CAN2 should be connected/disconnected).

CAN2_H (KS1 pin 45 or 46)
CAN2_L (KS1 pin 64 or 65)
  Idea: write task which will output a test pattern - not necessarily listening
  to any reports. If complicated tests (many packets) are needed it seems the
  generation of CAN messages should be automated - the ESX 3XL seems to be the
  only available device which can generate CAN message patterns).

GND (KS1 pin 2)
+UE (KS1 pin 6)
D+ (KS1 pin 25) ??Will this be necessary for this test?

??Consider sequencing input for test purposes? The RS-232 or the CAN bus should probably be used instead.