EXII-7720SC 3M, EXII-7720SC Datasheet - Page 31

• Manufacturer Part Number: EXII-7720SC
• Description: CONTROLLER EX II SER CAPACITIVE
• Manufacturer: 3M
• Series: MicroTouch™ Controller EXr

Specifications of EXII-7720SC

• Accessory Type: Touch Screen - Controller
• Operating Supply Voltage: 5 VDC to 12 VDC
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: - 40 C
• Connector Type: RS232
• Rohs Compliant: Yes
• For Use With/related Products: Touch Screen Capacitive
• For Use With: 3M5754 - TOUCH SCREEN CAPACITIVE 12.31"3M5752 - TOUCH SCREEN CAPACITIVE 19.75"3M5750 - TOUCH SCREEN CAPACITIVE 20.65"3M5748 - TOUCH SCREEN CAPACITIVE 17.54"3M5747 - TOUCH SCREEN CAPACITIVE 6.71"3M5745 - TOUCH SCREEN CAPACITIVE 15.68"3M5744 - TOUCH SCREEN CAPACITIVE 10.83"3M5527 - TOUCH SCREEN CAPACITIVE 31.80"3M5526 - TOUCH SCREEN CAPACITIVE 20.65"3M5525 - TOUCH SCREEN CAPACITIVE 19.75"3M5524 - TOUCH SCREEN CAPACITIVE 17.54"3M5523 - TOUCH SCREEN CAPACITIVE 15.68"3M5522 - TOUCH SCREEN CAPACITIVE 12.31"3M5521 - TOUCH SCREEN CAPACITIVE 10.83"3M5520 - TOUCH SCREEN CAPACITIVE 8.75"3M5519 - TOUCH SCREEN CAPACITIVE 6.71"
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 3M5540

3M™ MicroTouch™ Controller EX Serial Reference Guide
Response:
Unit Type Verify
Syntax:
Description:
Response:
1
Some EX122 can operate at N, 7, 2.
Table 12 EX Serial Controller Factory Default Settings
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.
<SOH>0<CR>
<SOH>UV<CR
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).
Returns an identification code up to 8 ASCII characters in the following format:
<SOH>TtFfffSs<CR>
where:
Tt
Ffff
Operating Parameter
Baud Rate
Serial Communication Settings
Data Format
Operating Mode
Return to Factory Calibration
= Two ASCII characters that identify the controller type.
= Four ASCII characters that indicate the features supported by the controller.
QM = Serial controller
R= Indicates a resistive controller
V= Indicates the serial controller
****= Indicates no additional features configured
3M Touch Systems, Inc. Proprietary Information
Positive response.
Default
9600
N, 8, 1
Format Tablet
Mode Stream
Yes
1
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