Multi-Device PXI_Clk10 Disciplining Software User Manual
Contents
1. 6674T System Timing Module Figure 2 Hardware Requirements for the NI PXle plining software uses two devices The first device drives the 1OMHz backplane clock and the second monitors The Multi Device PXI_C1k10 Disci and adjusts the clock relative to an external time reference for example TEEE 1588 GPS or IRIG No external cabling is required between the modules E iplining Software User Guide Multi Device PXI_CIk10 Disci 3 National Instruments Corporation NI PXI 6653 NI PXI System Timing Module The system timing module is the NI PXI 6653 You must populate the NI PXI 6653 in the PXI star trigger slot PXI slot 2 NI Timing and Synchronization Module The timing and synchronization module is the NI PXI 6682 or NI PXI 6682H You can populate this module in any other available peripheral slot NI PXle 6674T NI PXle System Timing Module The system timing module is the NI PXIe 6674T You must populate the NI PXIe 6674T in the PXIe system timing slot NI Timing and Synchronization Module The timing and synchronization module is the NI PXI 6682H You can populate this module in any other available peripheral slot Software Requirements NI PXI 6653 The Multi Device PXI_CIk10 Disciplining software requires NI Sync 3 1 or above NI PXle 6674T The Multi Device PXI_C1k10 Disciplining software requires NI Sync 3 2 2 or above Application Software and Programming Language Support Th2. SSeS USER GUIDE Multi Device PXI_CIk10 Disciplining Software This document explains how to install and use the Multi Device PXI_Clk10 Disciplining software Introduction Installation and Configuration About the Multi Device PXI_CIk10 Disciplining Software This software provides a LabVIEW library to synchronize PXI_C1k10 to external time references D NATIONAL p INSTRUMENTS Hardware Requirements Figures 1 and 2 show the Multi Device PXI_Clk10 Disciplining software hardware requirements MOOK 00000000 000000000 0000000000 IAAI HOO 000000000000000 aooo t 000000 000000 AAAA 0000000000000000 00 DOOR KK KOR KOK aaa eaae 0000000000000000 00 COR KOK KOKO SPP HOCOCT COCO OO TTT 000000000000000 000 CORK K KIRK KOI SOKOOTOCOCT OOO OT 00000000000000 0000 ooo oo oo oo ooo 0000 COR KOKORO KKK POC Poet SOOO OC 0000000000000 AORAR AARAA Eene 00000000 000e 000006 O60 00 N 3 NI PXI 6653 System Timing Module in PXI Star Trigger Slot 2 4 NI PXI 6682 or NI PXI 6682H Module in Slot 3 1 NI PXI Chassis 2 NI PX Controller Figure 1 Hardware Requirements for the NI PXI 6653 System Timing Module ni com 2 plining Software User Guide Multi Device PXI_CIk10 Disci 6682H Module in Slot 5 3 NI PXle 6674T System Timing Module in PXle System Timing Slot 4 4 NIPXI 1 NI PXle Chassis 2 NI PXle Controller
3. e Multi Device PXI_CIk10 Disciplining software supports LabVIEW 8 6 1 or above Installing the Software Uninstalling the Software There is no additional software installation You need only to include the VI library with your program or application Multi Device PXI_CIk10 Disciplining Software User Guide 4 ni com Building and Programming Applications Configuring Your System Hardware Configuration Follow these steps to configure your hardware 1 NI PXI 6653 Install the NI PXI 6653 system timing module in the PXI star trigger slot of your PXI chassis NI PXle 6674T Install the NI PXIe 6674T system timing module in the PXIe system timing slot of your PXIe chassis 3 Note Some chassis including the NI PXI 103x series require toggling a hardware switch to enable the system timing module to override PXI_CI1k10 Refer to your chassis user manual for more details 2 Install the NI PXI 6682 or NI PXI 6682H timing and synchronization module in any other compatible chassis slot 3 Connect your time reference to the timing and synchronization module as described in your device user manual No other hardware connections are required ay Note This software uses the time reference configured for the timing and synchronization module Refer to your NI PXI 6682 or NI PXI 6682H user manual for more information System Design Recommendations Minimize Starting Stopping of PXI_CIk10 Disciplining From startup the PXI_CIk10 sync
4. gle logo are trademarks of National Instruments Corporation Refer to the Trademark Information at ni com trademarks for other National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products technology refer to the appropriate location Help Patents in your software the patents txt file on your media or the National Instruments Patent Notice atni com patents Refer to the Export Compliance Information at ni com legal export compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes ECCNs and other import export data 2010 2011 National Instruments Corporation All rights reserved 373176B 01 May11
5. hronization can take on the order of minutes to stabilize to the time reference You should design your application such that PXI_Clk10 disciplining runs asynchronous to other programs that might start and stop more frequently This minimizes the time spent letting the synchronization stabilize and lock Avoid Disrupting PXI_CIk10 Disciplining While you can use the devices used for PXI_C1k10 disciplining within other applications you should avoid resetting them or changing the configured time reference Doing so disrupts the PXI_Clk10 disciplining process National Instruments Corporation 5 Multi Device PXI_Cik10 Disciplining Software User Guide Interactively Using Multi Device PXI_C1k10 Disciplining The Clock Disciplining App VI is a simple interactive way for you to use PXI_Clk10 disciplining without writing an application Programmatically Using Multi Device PXI_CIk10 Disciplining You can use the following functions for programmatic PXI_Clk10 disciplining API Functions Start Clock Servo Starts the PXI_Clk10 disciplining Required inputs define the system timing and time based modules to be used Optional You can offset the system by a time reference correction Get Clock Servo Status Provides synchronization status information about the PXI_Clk10 disciplining state Stop Clock Servo Stops the PXI_C1k10 disciplining LabVIEW National Instruments NI ni com the National Instruments corporate logo and the Ea
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