ADLINK Technology PXI -3950 User Manual
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ADLINK Technology PXI -3950 User Manual

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Summary of Contents for ADLINK Technology PXI -3950

  • Page 1 PXI-3950...
  • Page 2 PXI -3950 3U PXI Core 2 Duo 2.2 GHz System Controller User’s Manual Manual Revision: 2.00 Revision Date: August 29, 2008 Part No: 50-17030-1000 Advance Technologies; Automate the World.

  • Page 3: Revision History

    PXI -3950 User’s Manual Revision History Revision Release Date Description of Change(s) Document Created 2.00 2008/08/29 Initial Release...

  • Page 4: Preface

    PXI-3950 User’s Manual Preface Copyright 2008 ADLINK TECHNOLOGY INC. This document contains proprietary information protected by copy- right. All rights are reserved. No part of this manual may be repro- duced by any mechanical, electronic, or other means in any form without prior written permission of the manufacturer.

  • Page 5: Conventions

    PXI -3950 User’s Manual of the PXI systems Alliance. Realtek and ALC260 are trademarks of Realtek Semiconductor Corp. Yukon® is a registered trademark of Marvell Corporation. Product names mentioned herein are used for identification purposes only and may be trademarks and/or registered trademarks of their respective companies.

  • Page 6: Getting Service

    Toll-Free: +1-866-4 ADLINK Fax No.: +1-949-727-2099 Mailing Address: 8900 Research Drive, Irvine, CA 92618, USA ADLINK TECHNOLOGY CO. LTD. (BEIJING) Sales & Service: market@adlinktech.com Telephone No.: +86-10-5885-8666 Fax No.: +86-10-5885-8625 Mailing Address: Rm. 801, Power Creative E, No. 1, B/D Shang Di East Rd.
  • Page 7 Sales & Service japan@adlinktech.com Telephone No. +81-3-4455-3722 Fax No. +81-3-5333-6040 Mailing Address Asahiseimei Hatagaya Bld. 8Fl. 1-1-2 Hatagaya Shibuya-ku, Tokyo, Japan ADLINK TECHNOLOGY INC. (SOUTH KOREA) Sales & Service: korea@adlinktech.com Telephone No.: +82-2-2057-0565 Fax No.: +82-2-2057-0563 Mailing Address: #402, Dongsung B/D, 60-12,...

  • Page 8: Table Of Contents

    PXI-3950 User’s Manual Table of Contents PXI-3950 ..................i Revision History..............ii Preface ..................iii Copyright 2008 ADLINK TECHNOLOGY INC....iii Disclaimer ...............iii Trademarks ..............iii Conventions ..............iv Getting Service ............... v Table of Contents..............vii List of Figures ................ xi List of Tables................
  • Page 9 PXI -3950 User’s Manual Faceplate Connectors/Indicators ........10 2.2.1 PXI Trigger Connector......... 11 2.2.2 DVI-I Connector........... 12 2.2.3 GPIB Connector ..........14 2.2.4 Reset Button............15 2.2.5 LED Indicators ............. 15 2.2.6 COM Ports............16 2.2.7 USB 2.0 Ports............17 2.2.8 Gigabit Ethernet Port ...........
  • Page 10 PXI-3950 User’s Manual Chipset Drivers ..............47 Graphics Driver..............49 Ethernet Drivers..............50 4.3.1 Install the Intel GbE Driver........50 4.3.2 Install the Marvell GbE Driver......51 Audio Drivers ..............52 GPIB Driver................ 52 PXI Trigger Driver .............. 53 WDT Driver ................ 53 5 Appendix: PXI Trigger I/O Function Reference ....
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  • Page 12: List Of Figures

    PXI-3950 User’s Manual List of Figures Figure 2-1: PXI-3950 Faceplate ............10 Figure 2-2: PXI Trigger & Pin Assignments ........11 Figure 2-3: DVI Connector & Pin Assignments ........ 13 Figure 2-4: GPIB Connector & Pin Assignments ......14 Figure 2-5: COM Ports & Pin Assignments........16 Figure 2-6: USB 2.0 Ports &...
  • Page 13 PXI -3950 User’s Manual This page intentionally left blank. List of Figures...

  • Page 14: List Of Tables

    PXI-3950 User’s Manual List of Tables Table 2-1: Peripheral Connectivity............ 9 Table 2-2: LED Indicators ............... 15 Table 2-3: Gigabit Ethernet LED Status Description....... 19 List of Tables xiii...
  • Page 15 PXI -3950 User’s Manual This page intentionally left blank. List of Tables...

  • Page 16: Introduction

    PXI-3950 User’s Manual Introduction The PXI-3950 is ADLINK’s next generation PXI embedded con- troller designed for hybrid PXI-based testing systems. Combining a state-of-art Intel® Core™2 Duo T7500 2.2 GHz processor, the latest GME965 chipset, and 4 GB 667 MHz DDR2 memory, the PXI-3950 delivers ultimate performance for a wide variety of test and measurement applications.

  • Page 17: Features

    PXI -3950 User’s Manual 1.1 Features PXI specification Rev. 2.2 Compliant Intel® Core™2 Duo T7500 2.2 GHz processor for ultimate computing power Built-in 4 GB 667 MHz DDR2 memory Integrated 120 GB 7200 RPM SATA hard drive One CompactFlash socket for HDD replacement...

  • Page 18: Functional Block Diagram

    PXI-3950 User’s Manual 1.2 Functional Block Diagram DDRII SO-DIMM DDRII Core 2 DUO DDRII SO-DIMM 533/667 MHz Processor 533/800 MHz Graphic Memory Hub Controller GME965 LVDS LVDS SDVO 18/24-bit Controller DVI-I Connector Analog RGB PXD-R3900H PCI-E 1.0 Controller GBE+2USB USB 2.0 2.5 Gb/S Controller Controller...

  • Page 19: Specifications

    PXI -3950 User’s Manual 1.3 Specifications 1.3.1 Core Features Processor Intel® Core™2 Duo T7500 2.2 GHz processor Supports 800 MHz front side bus (FSB) Chipset Mobile Intel® GME965 Graphic Memory Control HUB Intel® I/O Controller Hub 8 Mobile (ICH8-M) Memory...

  • Page 20: I/O Connectivity

    PXI-3950 User’s Manual 1.3.2 I/O Connectivity Hard Drive Built-in 2.5”, 120 GB SATA hard drive, 7200 RPM Ethernet Dual Gigabit Ethernet controllers Two RJ-45 connectors with speed/link/active LED on the faceplate Four USB 2.0 ports on the faceplate GPIB On-board IEEE488 GPIB controller Micro-D 25-pin connector on the faceplate (GPIB cable not included) Serial Port...

  • Page 21: Physical

    PXI -3950 User’s Manual 1.3.3 Physical Dimensions 3-slot 3U PXI module Slot requirements 1 system slot and 2 controller expansion slots Weight 0.9 kg 1.3.4 Environment Operating temperature 0 to 55°C Storage temperature -20 to 80°C Relative humidity 5 to 95%, non-condensing 1.3.5 Shock and Vibration...

  • Page 22: Power Requirements

    PXI-3950 User’s Manual 1.3.7 Power Requirements Voltage rail 3.3 V Minimal power consumption 650 mA 4.2 A (system is idle) Maximal power consumption 820 mA 13.5 A (system is full-loaded) 1.4 Unpacking Checklist Before unpacking, check the shipping carton for any damage. If the shipping carton and/or contents are damaged, inform your dealer immediately.
  • Page 23 PXI -3950 User’s Manual This page intentionally left blank. I ntroduction...

  • Page 24: O Connectors And Pin Assignments

    PXI-3950 User’s Manual I/O Connectors and Pin Assignments This chapter illustrates the I/O connectors on the faceplate and PCB. Pin definitions of connectors are described in detail. Jumper setting for clearing CMOS and configuring COM ports are also mentioned. 2.1 Peripheral Connectivity On-board Peripheral Faceplate Connector...

  • Page 25: Faceplate Connectors/Indicators

    PXI -3950 User’s Manual 2.2 Faceplate Connectors/Indicators Symbol Function External Trigger (SMB Connector) DVI-I Connector GPIB Connector (Micro D-Sub 25P) Reset Button LED indicators COM1 (DB9) COM2 (DB9) 2x USB connectors (Type-A) Gigabit Ethernet #2 (RJ-45) 2x USB connectors (Type-A)

  • Page 26: Pxi Trigger Connector

    PXI-3950 User’s Manual 2.2.1 PXI Trigger Connector The PXI trigger connector is a SMB connector and is used to route an external trigger signal to or from the PXI backplane. Trigger sig- nals are TTL compatible and edge sensitive. The PXI-3950 pro- vides four trigger routing modes from/to the PXI trigger connector to synchronize PXI modules, including: From a selected trigger bus line to PXI trigger connector...

  • Page 27: Dvi-I Connector

    PXI -3950 User’s Manual 2.2.2 DVI-I Connector The DVI-I connector is used to connect PXI-3950 to the monitor. PXI-3950 supports both digital (DVI) and analog (VGA) monitors. While connecting to an analog (VGA) monitor, you need to install the DVI-to-VGA adapter, which is shipped with PXI-3950 control- lers, on the DVI-I connector.

  • Page 28: Figure 2-3: Dvi Connector & Pin Assignments

    PXI-3950 User’s Manual Figure 2-3: DVI Connector & Pin Assignments Signal Description TMDS Data2- T.M.D.S link#0 Channel#2 Differential Pair TMDS Data2+ Shield Ground T.M.D.S channel#0 Shield Reserved Reserved for link#1 Reserved Reserved for link#1 DDC Clock The clock line for the DDC I/F DDC Data The data line for the DDC I/F Analog VSYNC...

  • Page 29: Gpib Connector

    PXI -3950 User’s Manual 2.2.3 GPIB Connector The GPIB connector on PXI-3950 is a micro D-sub 25P connector and is used to control external bench-top instruments. You need the ACL-IEEE488-MD1 cable to connect PXI-3950 and any instru- ments. The on-board GPIB controller has the following features: Fully compatible with the IEEE 488 standard Up to 1.5MB/s data transfer rates...

  • Page 30: Reset Button

    PXI-3950 User’s Manual 2.2.4 Reset Button The reset button is used to perform hard reset for PXI-3950. You can use a pin-like object to push the reset button. 2.2.5 LED Indicators There are four LED indicators on the faceplate to indicate the operating status of the PXI-3950.

  • Page 31: Com Ports

    PXI -3950 User’s Manual 2.2.6 COM Ports The PXI-3950 provides two COM ports on the faceplate in D- sub 9P connectors. These two serial ports are 16C550 UART compatible and support RS-232/RS-422/RS-485 by jumper selection. Please refer to section 2.4.2 for setting the COM ports.

  • Page 32: Usb 2.0 Ports

    PXI-3950 User’s Manual 2.2.7 USB 2.0 Ports The PXI-3950 provides four USB 2.0 ports via Type A USB connectors on the faceplate. All USB ports are compatible with high-speed, full-speed, and low-speed USB devices. The PXI- 3950 controller supports multiple boot devices, including USB flash drive, USB floppy, USB CD-ROM, etc.

  • Page 33: Gigabit Ethernet Port

    PXI -3950 User’s Manual 2.2.8 Gigabit Ethernet Port The PXI-3950 has one GbE port from an Intel ICH8M MAC/ Intel 82566 PHY and one GbE port from a Marvell 88E8053 Gigabit Ethernet controller via an x1 PCI Express interface to provide dual Gigabit Ethernet connectivity.
  • Page 34 PXI-3950 User’s Manual Active/Link LED LED Color Status Description Yellow Ethernet port is disconnected Ethernet port is connected with no data transmission Flash Ethernet port is connected and is transmitting/receiving data. Speed LED LED Color Status Description Green/Orange 10 Mbps Green 100 Mbps Orange...

  • Page 35: High Definition Audio Ports

    PXI -3950 User’s Manual 2.2.9 High Definition Audio Ports The PXI-3950 implements Intel High Definition audio using the Realtek ALC260/262 chip. The HD audio supports up to 24-bit, 192 Kbps high quality headphone/speaker output and line input. The audio jacks can be accessed on the faceplate of the PXI- 3950.

  • Page 36: On-Board Connectors Layout

    PXI-3950 User’s Manual 2.3 On-board Connectors Layout Figure 2-10: PXI-3950 Board Layout I / O Connectors and Pin Assignments...

  • Page 37: Compactflash Socket

    PXI -3950 User’s Manual 2.3.1 CompactFlash Socket The PXI-3950 is equipped with a type II CompactFlash socket which is located on the first layer of the PCB (under the CPU core module). The CF interface supports both ATA and PIO modes.

  • Page 38: Sata Port

    PXI-3950 User’s Manual 2.3.2 SATA Port The PXI-3950 provides a SATA Gen. 1 port and is shipped with a pre-installed 2.5" SATA hard drive. The SATA host controller supports two modes of operation, the legacy mode using I/O space and AHCI mode using memory space. You can also use a 2.5"...

  • Page 39: Pxi J1

    PXI -3950 User’s Manual 2.3.3 PXI J1 Figure 2-13: J1 Connector & Pin Assignments J1-25 REQ64# ENUM# +3.3V J1-24 AD[1] V(I/O) AD[0] ACK64# J1-23 +3.3V AD[4] AD[3] AD[2] J1-22 AD[7 +3.3V AD[6] AD[5] J1-21 +3.3V AD[9] AD[8] M66EN C/BE[0]# J1-20...

  • Page 40: Pxi J2

    PXI-3950 User’s Manual 2.3.4 PXI J2 Figure 2-14: J2 Connector & Pin Assignments J1-22 NC (GA4) NC (GA3) NC (GA2) NC (GA1) NC (GA0) J1-21 CLK6 NC (RSV) RSV# J1-20 CLK5 J1-19 (SMB_SDA) (SMB_SCL) (SMB_ALERT#) J1-18 PXI_TRIG3 PXI_TRIG4 PXI_TRIG5 PXI_TRIG6 J1-17 PXI_TRIG2 REST#...

  • Page 41: Jumper Layout

    PXI -3950 User’s Manual 2.4 Jumper Layout Figure 2-15: PXI-3950 Jumper Layout I / O Connectors and Pin Assignments...

  • Page 42: Clear Cmos (Jp9)

    PXI-3950 User’s Manual 2.4.1 Clear CMOS (JP9) If you encounter an abnormal condition that causes PXI-3950 to halt or fail to boot, clear the CMOS and restore the controller BIOS to its default settings. To clear the CMOS, locate the JP9 jumper on the board and short pin#2 and pin#3.

  • Page 43: Com1/Com2 Mode Settings (Jp1/Jp2/Jp3/Jp4/Jp5/Jp6)

    PXI -3950 User’s Manual 2.4.2 COM1/COM2 Mode Settings (JP1/JP2/JP3/JP4/JP5/JP6) COM1 and COM2 on PXI-3950 controllers support RS-232, RS-422, and RS-485 specifications. JP1, JP2, JP3, JP4, JP5, and JP6 are used set the operation mode of COM1 and COM2. Please refer to the following table for mode settings.

  • Page 44: Getting Started

    PXI-3950 User’s Manual Getting Started This chapter gives the illustration of how to install the PXI-3950 into your PXI system. Additional hardware installation and BIOS setup are also described. Please note that the PXI-3950 is shipped with CPU, RAM and HDD preinstalled. The procedures of installing the operating system and booting from a USB or CF device are also illustrated.

  • Page 45: Compatible Chassis

    PXI -3950 User’s Manual the equipment and its associated components have no damage before installing. The equipment must be protected from static discharge and physical shock. Never remove any of the socketed parts except at a static-free workstation. Use the anti-static bag...

  • Page 46: Installing Pxi-3950

    PXI-3950 User’s Manual 3.2 Installing PXI-3950 1. Locate the system controller slot (Slot 1) 2. Push down (loosen) the ejector/injector handle of the PXI-3950 controller. 3. Align the controller's top and bottom edges to the card guides, then carefully slide the PXI-3950 into the chas- sis.
  • Page 47 PXI -3950 User’s Manual 4. Pull up the ejector/injector handle until the PXI-3950 is properly connected to the chassis backplane. Getting Started...
  • Page 48 PXI-3950 User’s Manual 5. Fasten the screws on the faceplate of PXI-3950, and then connect all peripheral devices to the PXI-3950 con- troller. Getting Started...

  • Page 49: Hard Drive Replacement

    PXI -3950 User’s Manual 3.3 Hard Drive Replacement By default, the PXI-3950 PXI controller is shipped with a 2.5" 120 GB SATA hard drive pre-installed. For users who need to change the SATA hard drive or use a solid state disk (SSD) as the replace- ment hard drive, please follow the instructions below.
  • Page 50 PXI-3950 User’s Manual 3. Gently pull out the SATA hard drive. Be careful not to bend or break the SATA Board-to-Board connector. 4. To replace the HD with your choice of solid state hard drive or other compatible SATA hard drive, follow the revers steps, and re-install the PXI-3950 to your PXI sys- tem.

  • Page 51: Compactflash Card Installation

    PXI -3950 User’s Manual 3.4 CompactFlash Card Installation The PXI-3950 provides a CompactFlash Type II socket to accom- modate a CF card as a replacement hard drive. You can also install a SATA hard drive and CF card simultaneously and set the boot device preferences in BIOS (refer to section 3.6 for details).

  • Page 52: Bios Configuration

    PXI-3950 User’s Manual 2. Insert the CF card and press down to make sure it is firmly attached in its socket. 3.5 BIOS Configuration The Basic Input/Output System (BIOS) is a program that provides a basic level of communication between the processor and periph- erals.

  • Page 53: Operating System Installation

    PXI -3950 User’s Manual 3.6 Operating System Installation For more detailed information about the operating system, refer to the documentation provided by the operating system vendor. The preferred/supported operating systems for PXI-3950 are: Windows 2000 Windows XP Windows Vista For other OS support, please contact ADLINK Most operating systems require initial installation on a hard drive, floppy drive, or a CD-ROM drive.

  • Page 54: Setting Pxi-3950 Boot Devices

    PXI-3950 User’s Manual 3.7 Setting PXI-3950 Boot Devices The PXI-3950 controller by default boots up from the SATA hard drive. However, you can also set a USB device or a CF card as the boot device in BIOS. Please follow the instructions below to set the boot device of PXI-3950.
  • Page 55 PXI -3950 User’s Manual Boot from on-board CF card Make sure the bootable CF is firmly installed in the CF socket. Power on the PXI-3950 and enter BIOS to modify the set- ting of boot device as following: [Boot] » [Hard Disk Drives] » [1st Drive] If there is a hard drive installed, you will see 1st Drive and 2nd Drive shown.
  • Page 56 PXI-3950 User’s Manual Boot from USB CD-ROM drive Connect the USB CD-ROM drive via a USB port on the faceplate. Put a bootable CD in the USB CD-ROM Drive. Power on the PXI-3950 and enter BIOS to modify the set- ting of boot device as following: [Boot] »...
  • Page 57 PXI -3950 User’s Manual Boot from USB Flash disk Connect a bootable USB Flash disk via a USB port on the faceplate. Power on the PXI-3950 and enter BIOS to modify the set- ting of boot device as following: [Boot] » [USB Drives] » [1st Drive] If there are multiple USB external devices installed, you will see 1st Drive, 2nd Drive and etc.
  • Page 58 PXI-3950 User’s Manual Boot from USB external hard drive Connect a bootable USB external hard drive via a USB port on the faceplate. Power on the PXI-3950 and enter BIOS to modify the set- ting of boot device as following: [Boot] »...
  • Page 59 PXI -3950 User’s Manual Boot from USB floppy drive Connect the USB floppy drive via a USB port on the face- plate. Put a bootable disk in the USB floppy drive. Power on the PXI-3950 and enter BIOS to modify the set- ting of boot device as following: [Boot] »...

  • Page 60: Using The Pxi-3950 With A Pxi-2558T-B

    PXI-3950 User’s Manual 3.8 Using the PXI-3950 with a PXI-2558T-B or PXIS- 2690P-B Chassis This section describes the usage of PXI-3950 controllers in PXI- 2558T-B and PXIS-2690P-B chassis. These chassis are unique in that they support a built-in LCD display and warrant special BIOS configurations to properly operate the system controller.
  • Page 61 PXI -3950 User’s Manual This page intentionally left blank. Getting Started...

  • Page 62: Driver Installation

    PXI-3950 User’s Manual Driver Installation After installing the operating system, you need to install all related drivers to make your system work accordingly. In this section, we describe the drivers needed for Windows operating systems and the procedures to install them. For other OS sup- port, please contact ADLINK for further information.
  • Page 63 PXI -3950 User’s Manual Please follow the following steps to install chipset drivers for PXI-3950. Close any running application. Insert the ADLINK All-in-One CD. The chipset driver is located in the directory: x:\Driver Installation\PXI Platform\PXI controller\PXI-3950\Chipset\2000_XP_Vista\, where x: denotes the CD-ROM drive.

  • Page 64: Graphics Driver

    PXI-3950 User’s Manual 4.2 Graphics Driver The PXI-3950 controller is equipped with Intel GMA X3100 graphic media accelerator integrated in the Intel GME965 Express Chipset. The Intel Graphics Media Accelerator Driver package supports the following operating systems: Windows 2000 Windows XP Please follow the following steps to install graphics drivers for PXI-3950.

  • Page 65: Ethernet Drivers

    PXI -3950 User’s Manual 4.3 Ethernet Drivers The PXI-3950 has one GbE port from an Intel ICH8M MAC/ Intel 82566 PHY and one GbE port from a Marvell 88E8053 Gigabit Ethernet controller to provide dual Gigabit Ethernet connectivity. Drivers for both the Intel and Marvell GbE controllers need to be installed prior to use.

  • Page 66: Install The Marvell Gbe Driver

    PXI-3950 User’s Manual 4.3.2 Install the Marvell GbE Driver Please follow the following steps to install GbE driver for Mar- vell 88E8053 Gigabit Ethernet controller. For Windows 2000 users: 1. After booting the Windows system, there are two uniden- tified Ethernet controllers listed in the Device Manager. 2.

  • Page 67: Audio Drivers

    PXI -3950 User’s Manual 4.4 Audio Drivers This section describes the procedure to install the audio driver of PXI-3950. The PXI-3950 controller supports Intel High Definition audio using Realtek ALC260/262 chip, which provides up to 24-bit, 192 Kbps high quality audio input/output. Please follow the follow- ing steps to install audio driver for PXI-3950.

  • Page 68: Pxi Trigger Driver

    PXI-3950 User’s Manual 4.6 PXI Trigger Driver The PXI-3950 controller provides a trigger I/O on the faceplate to route trigger signals to/from the PXI trigger bus. You need to install the trigger I/O driver to control the trigger route. Please follow the following steps to install PXI Trigger drivers for PXI- 3950 (for information on programming the PXI Trigger, please refer to Appendix A).
  • Page 69 PXI -3950 User’s Manual This page intentionally left blank. Driver I nstallation...

  • Page 70: Appendix: Pxi Trigger I/O Function Reference

    PXI-3950 User’s Manual Appendix A: PXI Trigger I/O Function Reference This appendix describes the usage of the PXI trigger I/O function library for PXI-3950 controllers. Users can use the function library to program the routing of the trigger signal between the trigger I/O SMB connector on the faceplate and the PXI trigger bus on the backplane.

  • Page 71: Function

    PXI -3950 User’s Manual A.2 Function TRIG_Init @ Description Initializes the trigger I/O function of the PXI-3950 controller. TRIG_Init must be called before the invocation of any other trigger I/O function. TRIG_Init does not reset the current trigger routing. @ Supported controllers...
  • Page 72 PXI-3950 User’s Manual TRIG_Close @ Description Closes the trigger I/O function of PXI-3950 controller. This function releases the resources allocated for the trigger I/O function. Users must invoke TRIG_Close before exiting the application. @ Supported controllers PXI-3950, PXI-3920, PXI-3910, PXI-3800 @ Syntax C/C++ I16 TRIG_Close()
  • Page 73 PXI -3950 User’s Manual TRIG_SetSoftTrg @ Description Generates a TTL trigger signal to the trigger I/O SMB connec- tor on the faceplate or the PXI trigger bus on the backplane via software command. @ Supported controllers PXI-3950, PXI-3920, PXI-3910, PXI-3800...
  • Page 74 PXI-3950 User’s Manual TRIG_Trigger_Route @ Description Routes the trigger signal between the trigger I/O SMB connec- tor on the faceplate and the PXI trigger bus on the backplane. This function also allows routing the software-generated trigger signal to SMB connector or trigger bus. @ Supported controllers PXI-3950, PXI-3920, PXI-3910, PXI-3800 @ Syntax...
  • Page 75 PXI -3950 User’s Manual dest Destination Trigger Routing. Available value Description PXI_TRIG_VAL_SMB SMB connector on the faceplate PXI_TRIG_VAL_TRIG0 PXI trigger bus #0 PXI_TRIG_VAL_TRIG1 PXI trigger bus #1 PXI_TRIG_VAL_TRIG2 PXI trigger bus #2 PXI_TRIG_VAL_TRIG3 PXI trigger bus #3 PXI_TRIG_VAL_TRIG4 PXI trigger bus #4...
  • Page 76 PXI-3950 User’s Manual TRIG_Trigger_Clear @ Description Clears the trigger routing settings. @ Supported controllers PXI-3950, PXI-3920, PXI-3910, PXI-3800 @ Syntax C/C++ I16 TRIG_Trigger_Clear() Visual Basic TRIG_Trigger_Clear() As Integer @ Parameters None @ Return Codes ERR_NoError ERR_BoardNoInit ERR_Trigger_Clr Appendix...
  • Page 77 PXI -3950 User’s Manual This page intentionally left blank. Appendix A...

  • Page 78: Appendix: Watchdog Timer Function Reference

    PXI-3950 User’s Manual Appendix B: Watchdog Timer Function Reference This appendix describes the usage of the watchdog timer (WDT) function library for the PXI-3950 controller. Watchdog timer is a hardware mechanism to reset the system in case the operating system or an application halts. After starting watch- dog timer, you need to periodically reset the watchdog timer in the application before the timer expires.

  • Page 79: Function

    PXI -3950 User’s Manual B.1 Function InitWDT @ Description Initializes the watchdog timer function of PXI-3950 controllers. InitWDT must be called before the invocation of any other WDT function. @ Supported controllers PXI-3950, PXI-3920, PXI-3910 @ Syntax C/C++ BOOL InitWDT()
  • Page 80 PXI-3950 User’s Manual SetWDT @ Description Sets the timeout value of watchdog timer. The timeout value should be given in seconds. Users should call ResetWDT or StopWDT before the expiration of the watchdog timer, or the system will be reset. @ Supported controllers PXI-3950, PXI-3920, PXI-3910 @ Syntax...
  • Page 81 PXI -3950 User’s Manual StartWDT @ Description Starts the watchdog timer function. Once the StartWDT is invoked, the watchdog timer countdown starts. Users should call ResetWDT or StopWDT before the expiration of the watch- dog timer, or the system will be reset.
  • Page 82 PXI-3950 User’s Manual ResetWDT @ Description Resets the watchdog timer. The invocation of ResetWDT allows users to restore the watchdog timer to the initial timeout value specified in the SetWDT function. Users should call ResetWDT or StopWDT before the expiration of the watchdog timer, or the system will be reset.
  • Page 83 PXI -3950 User’s Manual StopWDT @ Description Stops the watchdog timer. @ Supported Controllers PXI-3950, PXI-3920, PXI-3910 @ Syntax C/C++ BOOL StopWDT() Visual Basic StopWDT() As Boolean @ Parameters None @ Return Codes TRUE if watchdog timer is successfully stopped.

  • Page 84: Important Safety Instructions

    PXI-3950 User’s Manual Important Safety Instructions For user safety, please read and follow all instructions, WARNINGS, CAUTIONS, and NOTES marked in this manual and on the associated equipment before handling/operating the equipment. Read these safety instructions carefully. Keep this user’s manual for future reference. Read the specifications section of this manual for detailed information on the operating environment of this equipment.
  • Page 85 PXI -3950 User’s Manual Never attempt to fix the equipment. Equipment should only be serviced by qualified personnel. A Lithium-type battery may be provided for uninterrupted, backup or emergency power. RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THEIR INSTRUCTIONS.

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