3M Touch Screen Controller RX142 Reference Manual page 25

3M™ MicroTouch™ Controller RX142 Reference Guide
= Two ASCII characters that identify the controller type.
Tt
= Four ASCII characters that indicate the features supported by the
Ffff
= Two ASCII characters that provide status information about the
Ss
The RX142 running with no errors returns the following string:
<SOH> SCR4**00 <CR>
Indicates the RX142 series of controllers
SC
controller.
Indicates a resistive controller
R
Indicates either 4 wire controller (RX142) or an 8 wire
4
controller (RX182)
Indicates no additional features configured
controller hardware. The two characters represent one byte. Each
character is in the range 0 to 9 and A to F.
Table 2 defines the meaning of each bit in the status byte. Each bit
can be set to 1 or 0, where 1 = an error and 0 = no error. So a
response of:
00 = No diagnostic errors (normal response)
3M Touch Systems, Inc. Proprietary Information
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