A-53
2500S Controller Protocol
The ten-byte binary data format displayed in hex by COMDUMP for correct
operation with Elo driver software is as follows:
A-4002 Controller Protocol
If the controller is jumpered for A-4002 emulation mode, the output will be the
six-byte binary format as follows:
In this mode, the first four bytes in each packet will be decreasing, followed by
a zero byte, and a byte from 00 to 0F (hex). The Z value (byte 6) will be 00
when you lift your finger.
Byte Description
1 ASCII 'U' (55h)
2 ASCII 'T' (54h)
3 Status Byte
4XLow
5 XHigh
6YLow
7 YHigh
8ZLow
9 ZHigh (defaults to 0)
10 Checksum
Byte MSB LSB
111X11X10X9X8X7X6
210X5X4X3X2X1X0
301Y11Y10Y9Y8Y7Y6
400Y5Y4Y3Y2Y1Y0
5000000000
60000Z3Z2Z1Z0