LabSmith HVS448 High Voltage Sequencer
User Guide
Version 1.5
For operation and control of LabSmith HVS448™ High Voltage Sequencer and
Sequence™ Driver Software
Страница 1: ...LabSmith HVS448 High Voltage Sequencer User Guide Version 1 5 For operation and control of LabSmith HVS448 High Voltage Sequencer and Sequence Driver Software...
Страница 2: ...duced or distributed without the consent of LabSmith LabSmith HVS448 and Sequence are trademarks of LabSmith Inc Microsoft Windows NT XP 7 and 8 are registered trademarks of Microsoft Corporation Adob...
Страница 3: ...ions 14 Digital Connections 14 Recalibrating the Channels 15 CHAPTER 4 SEQUENCE SOFTWARE OVERVIEW 16 Field Upgradeable Firmware 16 Sequence Files 16 Online and Offline Operation 16 Sequence Software E...
Страница 4: ...30 CHAPTER 7 CHANNEL PROGRAM INSTRUCTIONS 31 Nomenclature 31 Execution Controls 31 Inter channel Signaling and Triggering 33 Channel Functions 35 Register Functions 36 Calculator Functions 37 Reverse...
Страница 5: ...igh Voltage Sequence Available Models Model Max Output Voltage V Max Voltage Differential V Max Output Current mA Max Output Current Per Channel mA Current Monitor Resolution nA Voltage Monitor Resolu...
Страница 6: ...ting Help This guide is your main source for information on operating the HVS448 and Sequence software Choose Help About Sequence then click the Open User Manual link to browse this manual electronica...
Страница 7: ...ttaching any one of the grounding leads to a ground source WARNING Do not handle cable terminations or clips while they are connected to an energized circuit The micro and nano clips do not protect fr...
Страница 8: ...ton or choose Actions Disable High Voltage When the high voltage is disabled the LED over the ALL button will turn off or will glow red if the Interlock is not satisfied Enable High Voltage From the f...
Страница 9: ...Using the Sequence Wizards to Create a Sequence File Sequence Wizards simplify the process of creating sequences by letting you enter voltages and currents directly for each step of the sequence A se...
Страница 10: ...TTL signal at any of the four inputs In1 In4 5 Enter the setting changes for each channel during this step a Select Unchanged to leave the channel in the same state as the previous sequence step b Se...
Страница 11: ...aveform shape you wish to apply then set Offset V the DC offset if any applied to the waveform Amplitude V the peak to peak voltage differential of the waveform Note By default generated waveforms are...
Страница 12: ...VS448 now box b If the HVS448 was online prior to programming choose Actions Program All 5 In the left pane click Sequence to open the Sequencer Control Panel 6 Press A at the bottom of the Sequencer...
Страница 13: ...ply that function to The function button will remain lit after you select a channel indicating that you can select additional channels Push the function button again to deselect it Selecting a differe...
Страница 14: ...button glows a steady red and all buttons are dark The front panel can be unlocked by choosing Actions Unlock Front Panel This is the default condition When the panel is unlocked the power LED glows g...
Страница 15: ...st 30 minutes before calibration 4 Run the Sequence software 5 In Sequence enter Online mode by clicking the toolbar button 6 Click the toolbar button to enable high voltage The All indicator on the H...
Страница 16: ...rnal source is supplied then they will indicate near 0 V When you open a Sequence file the channels remain inputs Click the Update All button at the bottom of Sequence s right pane to set all of the c...
Страница 17: ...asurement interval is the frequency with which measurement values are updated in milliseconds The measurement interval must be an integer in the range of 1 to 1000000000 The new measurement interval w...
Страница 18: ...nd values continuously Note The default monitor setting is governed by the Monitor Settings dialog To set the default choose View Options Monitoring see Monitor Settings A channel can monitor either i...
Страница 19: ...rent settings If Monitoring is turned on for a channel any problems on that channel will cause a message to appear in the Errors field Click the Trip Setting button to choose the error responses for a...
Страница 20: ...current experiment The voltage and current sliders for each channel will adjust to reflect your choice Update All synchronizes the data from all channels reads the calibration data updates all channel...
Страница 21: ...s settings expand the channel in the left pane Figure 17 Figure 17 Channel A s High Voltage Settings Shown in the Left Pane The function and limits from the Channel Control Panels will be displayed I...
Страница 22: ...h let a particular channel respond to a combination of internal or external events Manual Changes During an Automated Sequence When you run a sequence the Sequence software will automatically change c...
Страница 23: ...r step instructions until the master sequencer terminates the program by issuing its own Exit instruction see Exit If any special shutdown procedures are required by a channel they should be run in St...
Страница 24: ...s not possible with flags reducing the potential for software bugs For example the earlier example of coordinating channels to make complementary square waves may be better implemented using triggers...
Страница 25: ...cer Control Panel click Sequencer in the left pane Figure 18 Many of these controls will be familiar from the Manual Power Supply Control Panel Check the Monitor box next to any channel to view the pr...
Страница 26: ...esh the values Check the Continuously Monitor Measurements box to update the values on a continual basis The Navigate Programs drop down menu shows the channel programs Select a program to view its co...
Страница 27: ...me hierarchy as the software sequences consist of steps and programs programs consist of instructions In the left pane double click Sequencer to expand and view the master and channels controls Figure...
Страница 28: ...diting a Program Instruction in the Left Pane To add a new instruction right click on an instruction within that program From the drop down menu that appears choose New Instruction A new instruction w...
Страница 29: ...lbar button Figure 28 Programming Keypad To use the keypad open the text of a sequence or program in the right pane Place the cursor where you want to add a command then click the required instruction...
Страница 30: ...struction will also appear in red as will the sequence containing the program and the Sequence icon itself to help you quickly spot the problem In the example in Figure 30 the same label appears twice...
Страница 31: ...All program labels that start with a capital letter are globally known by all programs of the particular channel No two global labels can be the same for any of the programs of a channel Local Labels...
Страница 32: ...ns between these timing commands provided it is less than the specified duration Example Do something that takes 12 5 ms 12 5 ms Pause pause until the pause counter reaches 12 5 ms execute instruction...
Страница 33: ...p instruction is Continue the program will remain stopped Example Stop The program waits here for a Step change or user command Exit Usage Exit The Exit instruction takes no argument and behaves diffe...
Страница 34: ...F2 F3 F4 This instruction tests whether the specified flag is clear If it is clear the next instruction is executed If it is not clear the next instruction is skipped This instruction has no other ef...
Страница 35: ...cuted if it is not clear the next instruction is skipped This instruction has no other effect Example Label a InputClear Loop while the trigger input is clear Goto a Get here when the trigger input is...
Страница 36: ...in RAM memory to 13 registers A M Unlike the stack which can store up to 16 numbers sequentially the registers can be accessed randomly The registers are cleared set to zeros at system startup but ar...
Страница 37: ...ains 99 The X register now contains 117 The behavior of each operation on the numerical stack is detailed for each instruction Integral Representation of Real Numbers All numbers in the stack are 24 b...
Страница 38: ...uA X contains 16 uA Y contains 10 s SwapXY X contains 10 s Y contains 16 uA ClearX Usage ClearX ClearX sets the X register to 0 without changing the other values in the stack Example 10 X contains 10...
Страница 39: ...6 X contains 166 Y contains 10 12 X contains 12 Y contains 166 X contains 13 166 12 13 833 Y contains 10 Mod Usage Mod The instruction Mod removes the top two numbers on the stack X and Y and places t...
Страница 40: ...th 0 X 0 X is less than 0 X 0 X is less than or equal to 0 X 0 X is equal to 0 X 0 X is not equal to 0 X 0 X is greater than or equal to 0 X 0 X is greater than 0 If the test is true the next instruct...
Страница 41: ...41 10 X contains 10 16 X contains 16 Y contains 10 X Y False Goto Initialize Does not execute this instruction X Y True Goto Inject Executes this instruction...
Страница 42: ...ce All channel states remain as they are This is equivalent to the Pause Resume button on the HVS448 front panel Resume restarts progress of the current sequence This is equivalent to the Pause Resume...
Страница 43: ...programming Paste lets you paste text within your programming Help lets you access Sequence s manual Enable high voltage output allows the high voltage connectors to respond to the current settings a...
Страница 44: ...BNC B OUTA BNC HVC SHV BNC G HVE SHV BNC HVD SHV BNC IN1 BNC Sequencer Channel F 1 4 Input Output High Voltage Step 1 8 OUTC BNC HVH SHV BNC Programmable Trigger Logic Inputs Outputs in1 in2 in3 in4...
Страница 45: ...e In the first step LOAD the voltages will control a flow from reservoir A to reservoir C Voltages applied to B and D will be used to pinch the flow at the intersection and define a time independent s...
Страница 46: ...p A Loading 7 Click on the Step B tab to view its settings 8 Change the Step B name to Injection 9 Set the Switch Step setting to Only Manually 10 Set Channels A D to regulate D C voltages according t...
Страница 47: ...g voltage sequence On the Manual Sequence Control Panel you should now see channels A D maintaining the voltages from 3 Table 4 If you are viewing the microchannel on a microscope you should observe a...
Страница 48: ...p 9 Noisy Channels Operating at low voltages 200 V The HVS is designed for optimal performance at high voltages Use a higher common mode voltage to achieve the desired potential difference i e apply 1...
