National Instruments TPC-2012

Appendix B Serial Port Settings

PIN RS-232 RS-422 RS-485

1NDCD TX– D–

2NRX TX+ D+

3NTX RX+

4NDTR RX–

5GND GND GND

6NDSR

7NRTS

8NCTS

9NRI

Contents

Main Page Important Information Warranty Copyright Trademarks Patents Compliance Compliance with FCC/Canada Radio Frequency Interference Regulations Determining FCC Class FCC/DOC Warnings Class A Conventions Contents Page General Information Introduction I/O Ports Cleaning System Setup Important Safety Information Setup Touchscreen Calibration + Panel Mounting Jumpers and Connectors Jumper and Connector Functions Page Page Page Page Dimensions System Kernel LCD Touchscreen Power Fuse Environment Safety Electromagnetic Compatibility CE Compliance Environmental Management Waste Electrical and Electronic Equipment (WEEE) RoHS B Serial Port Settings COM1/COM2/COM3 Connector Pinout COM4 Connector Pinout and Settings Page C Watchdog Timer Programming Overview Watchdog Timer Programming Page Page Example Programs Example 1: Enable the Watchdog Timer and Set 10 s as the Timeout Interval Example 2: Enable the Watchdog Timer and Set 5 Min as the Timeout Interval Example 3: Enable the Mouse to Reset the Watchdog Timer Example 4: Enable the Keyboard to Reset the Watchdog Timer Example 5: Generate a Timeout Signal without Timer Counting D Watchdog Timer Programming on WinCE DeviceIOControl Parameters Page How to Use the Control Codes IOCTL _WDT_ENABLE IOCTL _WDT_DISABLE IOCTL_WDT_STROBE IOCTL_WDT_GETTIMEOUT IOCTL_WDT_SETTIMEOUT IOCTL_WDT_REBOOT Programming Example Page E F Touchscreen Configuration Touchscreen Calibration G Fuse Replacement H Technical Support and Professional Services Index A C D E K L M N P W