Connecting a Two-position Switch to the Digital I/O Port
Figure 25.
Port Configured — Input with pullup (switch 1 open, switch 2 closed)
Two Position Switch Open — Digital input reads +5 VDC = Logic High
Two Position Switch Closed — Digital Input reads 0 VDC = Logic Low
Reset Modes
The touchpanels described in this guide have three reset modes that are initiated by pressing the
Reset
client:
•
•
•
•
The
(see
figure
Use Factory Firmware
This mode is used to boot up the unit with factory-installed firmware for a single power cycle if a
firmware update fails or incompatibility issues arise with user-loaded firmware.
Activation
To start the
1.
2.
3.
+5.0 V
1k ohms
SW 2
CTL
Voltage
SW 1
Protection
Connecting a Two-position Switch to the Digital I/O Port
button. An additional (fourth) mode toggles between enabling and disabling the DHCP
Use Factory Firmware
(see below).
Reset All IP Settings
(see below).
Reset to Factory Defaults
Enable or Disable the DHCP Client
button is found on the rear panel of the TLP Pro 525M, 725M, and 1025M series
Reset
figure 3
B
, on page 8) or the base of the TLP Pro 525T, 725T, or 1025T series (see
5,
B
, on page 12).
Use Factory Firmware
Remove power from the touchpanel.
On the touchpanel, hold down the recessed
re-applying power to the unit. When power is restored, the
button for a further 2 seconds before releasing it. The touchpanel enters factory
Reset
firmware mode.
Upload new firmware to the unit as desired (see
NOTE:
Do not continue to operate the touchpanel using the factory firmware version. If
you want to use the factory default firmware, you must upload that version again (see
Updating the
Firmware).
TLP Pro 525, 725, and 1025 Series Touchpanels • Reference Material
Two-position
Switch
Digital
I/O
GND
(see following page).
(see page 33)
reset mode and replace firmware:
Reset
button (see
Updating the Firmware
figure
3,
B
) while
LED lights. Hold the
Reset
on page 25).
31
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