Xantrex Technology XMP 2600 manual Output on/off, Other operations, Sequential Operations

Page 43

Synchronization of operations

Advanced Features

Sequential Operations

Output on/off

To turn on or off a group of Power Modules (or all of them) at the same time, turn on the Power Modules you wish to use (individually, using the OUT <ch>,1 command) then use the global output enable commands:

OUT 1

→

global enable of Power Modules

OUT 0

→

global disable of Power Modules

Other operations

If you wish to command a group of Power Modules (or all of them) to perform a simultaneous change in their output, you can use the trigger mechanism (described above).

Using the trigger mechanism (and the arming of modules, when necessary), you can program several Power Modules to react to an incoming trigger (either hardware or software trigger).

This feature enables you to simultaneously command Power Modules to perform one of the following operations:

Change Power Modules output settings (voltage and/or current limit). Change Power Modules output state (on/off).

Initiate Power Modules output ramping.

Note that the Power Modules do not need to perform the same operation in reaction to the trigger. You may program some of them to change their output settings while others are turned on or off or start ramping.

Most of the lengthy operations of the XMP 2600 are carried out by the Power Modules (output changes, ramping etc.). This means that those lengthy operations can (and usually are) be overlapped in their execution. More often than not this is an advantage, but sometimes you may wish to serialize (sequentially perform) such operations (e.g. change the output of module No.2 after module No. 1 has finished ramping).

The following sections describe several ways of serializing lengthy operations.

Using hardware (TRIG and SYNC) to serialize operations

As mentioned before, a Power Module can generate a SYNC signal when its output change is done. Feeding the SYNC signal into the TRIG input enables other Power Modules to react to the aforementioned Power Module’s end of operation, thus achieving operations serialization.

To use this mechanism, do as follows:

1.Program all the Power Modules, but the one you wish to use, to never generate a SYNC.

2.Program the Power Module that will perform the first operation to generate a SYNC on output settle.

3.Program the Power Modules that are going to perform the second operation to react to a trigger. Use the ARM mechanism if necessary.

4.Program all the other Power Modules to ignore the trigger.

5.Initiate the first operation.

When the first operation is complete, the Power Module that performs it will generate a SYNC. This SYNC signal will, in turn, generate a trigger to the other Power Modules causing them to initiate the second operation.

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XMP 2600 Programming Manual rev. 1.1

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Contents Xantrex Multiple Output Power System XMP XMP Last? Limited What does this warranty cover and how long does itHow do you get service? WarrantyDisclaimer Product What does this warranty not cover?Information Information About Your Power SupplyDescription Power Supply Symbols Safety SummaryPower Supply Grounding Nonoperative Modules Input Mains Voltage RatingOutput Voltages Do Not Open The Unit Air Inlets And Air OutletRegulatory Approvals Regulatory Approvals and Safety Agency ComplianceSafety Agency Compliance Power Supply SafetyChapters Terminology About this manualWho should use this manual Table of contents Basic Programming Commands and Queries Reference Byte Error Codes summaryGpib interface 1Interfacing XMPACK Serial interfaceListening Formats Programming messages formatsResponse Data Separator Talking FormatsUsing an RS232 link How to communicate with the XMPUsing the comm. channels Using the Gpib busProgramming the XMP Recovering from communication haltsUsing queries Using commandsInitialize the XMP Recommendations on using the XMPIdentify the XMP Enforce power-on conditionsSetup the XMP 2600 status system Query installed Power ModulesInitial setup of the Power Modules Setup system level protection shutdown featuresStatus reporting Protection setupOutput settings ActivationUse queries Using advanced featuresHandling SRQ and the IEEE488.2 Status Structures On-going usage of the XMPMask registers Event enable registersStatus registers Event registersResponding to SRQ events Main status byteMain controller events Output message QueuePrimary engine status structure Summary of power modules statusPower modules status structure Remote communication time outEvents Register What happens when power is turned onError Code Faults RegisterUsage Guidelines Output Setup Basic setup and usageOverview of output setup parameters Power Module output ratingGlobally enabling the outputs Output settingsOutput control Output activationPolarity and disconnect relays Voltage / current modeCurrent limiting schemes FoldbackLinear foldback Reprogramming DelayRetry Shutdown on current limitBasic Programming Enabling the window thresholds Setting the window thresholdsWorkpoint window warning Usage guidelinesChecking the status Using the events mechanismUsing the warnings Voltage mode exampleOVP Protection using the workpoint windowLoad protection Additional usagesToggle the output state on/off Arm, trigger, sync and rampTrigger mechanism Set output to stored valuesSync output Output ramping What is output ramping?Simultaneous operations Output ramping setupSynchronization of operations Output ramping initiationSequential Operations Using hardware Trig and Sync to serialize operationsOutput on/off Other operationsController notification of Operation Complete Using software OPC mechanism to serialize operationsDifferent shutdown grouping of modules Commands to program shutdown groupingSelective shutdown Shutdown grouping single, group, globalResponding to communication time out events Shutdown on non-fault eventsComm. time out Time out events as reflected in the status structure Turn-on and reset behaviorSystem Commands Queries Ieee 488.1 BUS CommandsCategories Gpib ResetGlbl GLBL?Settings Commands Queries Output Control Protection Trigger Sync Commands Queries Commands QueriesRead-Back Queries Status Reporting Commands Queries Synch Mnemonic Alphabetical referenceParameters None Category System Type Sequential PRE Stores settings of all the Power Modules same as STO command Result register Syntax Return two decimal numbers, in the range 0 to 255. Each bit Cmask Close relay and a value of 1 is returned for an open relay Remove a user message from the XMP 2600 front panel display Set-up the operating mode of the XMP 2600. Re-calculate rqs Response is a series of values one for each installed Power Return output Current measurement of the Power Module. Return the state of the XMP 2600 Local Lock Flag. a value Ocrst Decimal value in the range 0 to Syntax Presence of the Polarity Reversal Relay Option Parameters None Category Settings Type Sequential Master mainframe. For the XMP 2600 this value is String in the following format mssnnn where m=minutes Result is two decimal numbers the first being the level 0t o SN? = OFF = Goto= Stop Module. Result is a decimal number in the range 0 to Shut-down when a remote communication time out occurs. Time out feature Syntax Minus sigh Syntax VLIM? Vset Commands and Queries Reference Events Register Ieee 488.2 compatible Status StructuresOutput Register Faults RegisterError Code Events Enable RegisterEvents Filtering Negative Mask Register Events Filtering Positive Mask RegisterPON CME EXE DDE QYE OPC Standard Event Status Register read with *ESR?Primary Event Status Register read with PER? Primary Status Register read with PSR?Primerr Status Byte Register read with *STB?Self Test Results Power ModulesMain Controller ByteMain Power Modules Communications errors Error Codes summaryPower Modules Errors Reported by the Power Module Errors Detected by the Main ControllerGpib Communications errors RS232 Communications errorsParser and Execution errors Status reporting Xantrex Technology Inc
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