3M™ MicroTouch™ Controller EX Serial Reference Guide
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3M Touch Systems, Inc. Proprietary Information -- 29087v03
Table 12 EX Serial Controller Factory Default Settings
Operating Parameter
Default
Baud Rate
9600
Serial Communication Settings
N, 8, 1
1
Data Format
Format Tablet
Operating Mode
Mode Stream
Return to Factory Calibration
Yes
The Restore Defaults command requires approximately 1.8 seconds. Therefore, the
application program should wait the maximum amount of time and be sure it receives the
command response before issuing another command to the controller.
Note
: After you issue a Restore Defaults command, you must recalibrate your sensor
using a 2-point calibration.
Response:
<SOH>
0
<CR> Positive
response.
Unit Type Verify
Syntax:
<SOH>
UV
<CR
Description:
Responds with an 8-character identity string. This string identifies the type of controller
currently attached to the system, lists the features supported by the controller, and outputs
the status of the controller hardware (a self-test code).
Response:
Returns an identification code up to 8 ASCII characters in the following format:
<SOH>
TtFfffSs
<CR>
where:
Tt
= Two ASCII characters that identify the controller type.
QM
= Serial controller
Ffff
= Four ASCII characters that indicate the features supported by the controller.
R
= Indicates a resistive controller
V
= Indicates the serial controller
****
= Indicates no additional features configured
1
Some EX122 can operate at N, 7, 2.
