National Instruments PXIe-4136 Bedienungsanleitung

GETTING STARTED GUIDE

NI PXIe-4136/4137

Single-Channel System Source Measure Unit (SMU)

Note Before you begin, install and configure your chassis and controller.

This document explains how to install, configure, and test the NI PXIe-4136/4137

(NI 4136/4137). The NI 4136/4137 is a single-channel system source measure unit (SMU).

To access NI 4136/4137 documentation, navigate to Start»All Programs»National

Instruments»NI-DCPower»Documentation.

Caution Do not operate the NI 4136/4137 in a manner not specified in this

document. Product misuse can result in a hazard. You can compromise the safety

protection built into the product if the product is damaged in any way. If the product

is damaged, return it to NI for repair.

Contents

Electromagnetic Compatibility Guidelines...............................................................................2

Safety Guidelines for Hazardous Voltages............................................................................... 2

Verifying the System Requirements......................................................................................... 2

Unpacking the Kit.....................................................................................................................3

Kit Contents.............................................................................................................................. 3

Other Equipment...............................................................................................................4

Preparing the Environment....................................................................................................... 4

Safety........................................................................................................................................ 5

Installing the Software.............................................................................................................. 5

System Safety Guidelines......................................................................................................... 5

Safety Guidelines for System Design and Implementation.............................................. 5

Safety Guidelines for System Operation.......................................................................... 7

Installing the NI 4136/4137...................................................................................................... 7

Configuring the NI 4136/4137 in MAX................................................................................. 10

Testing the Safety Interlock.................................................................................................... 10

Testing with an Application Development Environment................................................11

Testing with the NI-DCPower Soft Front Panel............................................................. 11

Programming the NI 4136/4137............................................................................................. 12

Troubleshooting...................................................................................................................... 12

What Should I Do if the NI 4136/4137 Doesn't Appear in MAX?.................................12

Why Is the ACCESS LED Off When the Chassis Is On?.............................................. 13

Where To Go Next.................................................................................................................. 14

Worldwide Support and Services............................................................................................14

Electromagnetic Compatibility Guidelines

This product was tested and complies with the regulatory requirements and limits for

electromagnetic compatibility (EMC) stated in the product specifications. These requirements

and limits provide reasonable protection against harmful interference when the product is

operated in the intended operational electromagnetic environment.

This product is intended for use in industrial locations. However, harmful interference may

occur in some installations, when the product is connected to a peripheral device or test object,

or if the product is used in residential or commercial areas. To minimize interference with

radio and television reception and prevent unacceptable performance degradation, install and

use this product in strict accordance with the instructions in the product documentation.

Furthermore, any changes or modifications to the product not expressly approved by National

Instruments could void your authority to operate it under your local regulatory rules.

Caution To ensure the specified EMC performance, operate this product only with

shielded cables and accessories.

Caution To ensure the specified EMC performance, the length of all I/O cables

must be no longer than 3 m (10 ft).

Safety Guidelines for Hazardous Voltages

If hazardous voltages are connected to the device, take the following precautions. A hazardous

voltage is a voltage greater than 42.4 Vpk voltage or 60 VDC to earth ground.

Caution This module is rated for Measurement Category I. It is intended to carry

signal voltages no greater than 250 V. This module can withstand up to 500 V

impulse voltage. Do not use this module for connection to signals or for

measurements within Categories II, III, or IV. Do not connect to MAINS supply

circuits (for example, wall outlets) of 115 VAC or 230 VAC.

Caution Isolation voltage ratings apply to the voltage measured between any

channel pin and the chassis ground. When operating channels in series or floating on

top of external voltage references, ensure that no terminal exceeds this rating.

Verifying the System Requirements

To use the NI-DCPower instrument driver, your system must meet certain requirements.

Refer to the product readme, which is available on the driver software media or online at

ni.com/manuals, for more information about minimum system requirements,

recommended system, and supported application development environments (ADEs).

2| ni.com | NI PXIe-4136/4137 Getting Started Guide

Unpacking the Kit

Caution To prevent electrostatic discharge (ESD) from damaging the device,

ground yourself using a grounding strap or by holding a grounded object, such as

your computer chassis.

1. Touch the antistatic package to a metal part of the computer chassis.

2. Remove the device from the package and inspect the device for loose components or any

other sign of damage.

Caution Never touch the exposed pins of connectors.

Note Do not install a device if it appears damaged in any way.

3. Unpack any other items and documentation from the kit.

Store the device in the antistatic package when the device is not in use.

Kit Contents

Figure 1. NI 4136/4137 Kit Contents

43 56

1. NI PXIe-4136/4137 System SMU Device

2. Output Connector Assembly

3. Safety Interlock Input Connector

4. Driver Software DVD

5. NI PXIe-4136/4137 Getting Started Guide (this

document)

6. Maintain Forced-Air Cooling Note to Users

NI PXIe-4136/4137 Getting Started Guide | © National Instruments | 3

Other Equipment

There are several required items not included in your device kit that you need to operate the

NI 4136/4137. Your application may require additional items not included in your kit to install

or operate your device.

Required Items

• A PXI Express chassis and chassis documentation. For more information about

compatible chassis options, refer to ni.com.

• A PXI Express embedded controller or MXI controller system that meets the system

requirements specified in this guide and chassis documentation.

Optional Items

• NI screwdriver (part number 781015-01).

Preparing the Environment

Ensure that the environment you are using the NI 4136/4137 in meets the following

specifications.

Operating Environment

Ambient temperature range 0 °C to 55 °C (Tested in accordance with

IEC 60068-2-1 and IEC 60068-2-2. Meets

MIL-PRF-28800F Class 3 low temperature

limit and MIL-PRF-28800F Class 2 high

temperature limit.)

Relative humidity range 10% to 90%, noncondensing (Tested in

accordance with IEC 60068-2-56.)

Storage ambient temperature range -40 °C to 70 °C (Tested in accordance

with IEC 60068-2-1 and IEC 60068-2-2.)

Maximum altitude 2,000 m (800 mbar) (at 25 °C ambient

temperature)

Pollution Degree 2

Indoor use only.

Note Refer to the device specifications on ni.com/manuals for complete

specifications.

4| ni.com | NI PXIe-4136/4137 Getting Started Guide

Safety

Caution Always refer to the specifications document for your device before

connecting signals. Failure to observe the specified maximum signal ratings can

cause shock, a fire hazard, or damage to the devices connected to the NI 4136/4137.

NI is not liable for any damage or injuries resulting from incorrect signal

connections.

Installing the Software

You must be an Administrator to install NI software on your computer.

1. Install an ADE, such as LabVIEW or LabWindows™/CVI™.

2. Insert the driver software media into your computer. The installer should open

automatically.

If the installation window does not appear, navigate to the drive, double-click it, and

double-click autorun.exe.

3. Follow the instructions in the installation prompts.

Note Windows users may see access and security messages during

installation. Accept the prompts to complete the installation.

4. When the installer completes, select Restart in the dialog box that prompts you to restart,

shut down, or restart later.

System Safety Guidelines

Safety Guidelines for System Design and

Implementation

The NI 4136/4137 is capable of generating hazardous voltages and working within hazardous

voltage systems. It is the responsibility of the system designer, integrator, installer,

maintenance personnel, and service personnel to ensure the system is safe during use.

• Ensure operators cannot access the NI 4136/4137, cables, the device under test (DUT) or

any other instruments in the system while hazardous voltages are present.

• Operator access points can include, but are not limited to, guards, gates, sliding doors,

hinge doors, lids, covers, and light curtains.

• If using a test fixture enclosure, ensure that it is properly connected to safety ground.

• Ensure that the NI 4136/4137 is properly secured to the chassis using the two front panel

mounting screws.

• Double insulate all electrical connections that are accessible by an operator. Double

insulation ensures protection if one layer of insulation fails. Refer to IEC 61010-1 for

specific insulation requirements.

NI PXIe-4136/4137 Getting Started Guide | © National Instruments | 5

Safety Interlock System Integration

The NI 4136/4137 includes a safety interlock circuit that places the outputs of the SMU device

in a safe state, regardless of the programmed state of the device.

• Do not short the safety interlock pins directly at the connector under any circumstances.

• Confirm on a regular basis that the safety interlock is functioning by performing a safety

interlock test.

• Install mechanical detection switches that open the safety interlock circuit when the

operator attempts to access the test fixture, disabling the hazardous voltage ranges of the

instrument.

• Ensure the mechanical detection switches close the safety interlock circuit only when the

operator has properly closed all entry points to the test fixture enclosure, enabling

hazardous voltage ranges on the instrument.

Figure 2. System Level Connection, Typical

Safety Interlock Connector

Test Fixture Enclosure

Operator Access Door

Mechanical Detection Switches

Mechanical detection switch is actuated

by operator access point

Related Information

Fore more information about the Safety Interlock, refer to the NI DC Power Supplies and

SMUs Help.

Testing the Safety Interlock on page 10

Mechanical Detection Switch Recommendations

• Use high-reliability, fail-safe, normally open mechanical detection switches on all access

points to the test fixture enclosure.

• Use two normally open switches wired in series so that a single switch failure does not

compromise safety protections.

• Isolate switches so the operator cannot trigger or bypass the switches without the use of a

tool.

6| ni.com | NI PXIe-4136/4137 Getting Started Guide

• Ensure the switches' certifications meet your test application requirements. NI

recommends UL-certified safety switches to ensure reliability.

• Install the switches in accordance with the switch manufacturer specifications.

• Test the switches periodically to ensure proper implementation and reliability.

Safety Guidelines for System Operation

Caution Hazardous voltage of up to the maximum voltage of the device may

appear at the output terminals if the safety interlock terminal is closed. Open the

safety interlock terminal when the output connections are accessible. With the safety

interlock terminal open the output voltage level/limit is limited to ±40 VDC, and

protection will be triggered if the voltage measured between the device HI and LO

terminals exceeds ±(42 Vpk ±0.4 V).

Caution Do not apply voltage to the safety interlock connector inputs. The

interlock connector is designed to accept passive normally open contact closure

connections only.

To ensure a system containing the NI 4136/4137 is safe for operators, components, or

conductors, take the following safety precautions:

• Ensure proper warnings and signage exists for workers in the area of operation.

• Provide training to all system operators so that they understand the potential hazards and

how to protect themselves.

• Inspect connectors, cables, switches, and any test probes for any wear or cracking before

each use.

• Before touching any of the connections to the high terminal or high sense on the

NI 4136/4137, discharge all components connected to the measurement path. Verify with

a DMM before interaction with connections.

Installing the NI 4136/4137

Caution To prevent damage to the device caused by ESD or contamination, handle

the device using the edges or the metal bracket.

1. Ensure the AC power source is connected to the chassis before installing the modules.

The AC power cord grounds the chassis and protects it from electrical damage while you

install the modules.

2. Power off the chassis.

3. Inspect the slot pins on the chassis backplane for any bends or damage prior to

installation. Do not install a module if the backplane is damaged.

4. Remove the black plastic connectors from all the captive screws on the module front

panel.

5. Identify a supported slot in the chassis. The following figure shows the symbols that

indicate the slot types.

NI PXIe-4136/4137 Getting Started Guide | © National Instruments | 7

Figure 3. Chassis Compatibility Symbols

NI PXIe-1062Q

1. PXI Express System Controller Slot

2. PXI Peripheral Slot

3. PXI Express Hybrid Peripheral Slot

4. PXI Express System Timing Slot

5. PXI Express Peripheral Slot

NI 4136/4137 modules can be placed in PXI Express peripheral slots, PXI Express hybrid

peripheral slots, or PXI Express system timing slots.

6. Touch any metal part of the chassis to discharge static electricity.

7. Ensure that the ejector handle is in the unlatched (downward) position.

8. Place the module edges into the module guides at the top and bottom of the chassis. Slide

the device into the slot until it is fully inserted.

Figure 4. Module Installation

NI PXIe-1075

1. Chassis

2. Hardware Module

3. Ejector Handle in Down (Unlatched) Position

9. Latch the module in place by pulling up on the ejector handle.

10. Secure the device front panel to the chassis using the front-panel mounting screws.

Note Tightening the top and bottom mounting screws increases mechanical

stability and also electrically connects the front panel to the chassis, which can

improve the signal quality and electromagnetic performance.

11. Cover all empty slots using filler panels or slot blockers to maximize cooling air flow.

8| ni.com | NI PXIe-4136/4137 Getting Started Guide

12. Prepare the output connector and cable to ensure proper grounding. Refer to the

following figure for connection information.

a) Open the output connector assembly.

b) To expose the cable ground shield, measure and mark your strip length on the cable.

c) Use an insulation strip tool to expose the cable ground shield.

d) Insert the cable.

e) Using strain relief, clamp down on the ground shield.

f) Tie the cable drain wire to the grounding screw.

g) Ensure that there is no exposed wiring, cable ground shield, or drain wire in the

shaded region: 8.89 mm (.350 in.) minimum.

h) Close the output connector assembly, and tighten the retention screws to hold it in

place.

Figure 5. NI 4136/4137 Output Connector

1. Strain Relief Clamped onto Ground Shield

2. Grounding Screw Connected to Drain Wire

3. Region Where Exposed Wiring Is Allowed, 7.62

mm (.300 in.)

4. Region Free from Exposed Wiring, Cable Ground

Shield, or Drain Wire, 8.89 mm (.350 in.) Minimum

5. Output Connector Assembly

13. Attach output connections.

a) Connect the output connector assembly to the device. Tighten any thumbscrews on

the output connector assembly to hold it in place.

14. Ensure that the safety interlock connector is wired to a test fixture that ensures operator

safety, and prepare the safety interlock cable for insertion into the safety interlock

connector.

a) Measure and mark your strip length on the safety interlock cable.

Note Required wire strip length for the safety interlock cable is 7.5 mm

(0.295 in.) minimum and 10 mm (0.394 in.) absolute maximum.

Acceptable AWG Range for safety interlock cable is 16-24.

b) Use an insulation strip tool to expose cable of the appropriate length.

NI PXIe-4136/4137 Getting Started Guide | © National Instruments | 9

c) The safety interlock connector accepts both solid and multi-strand conductor

cabling. If you are using a multi-stranded cable, twist the strands together before

insertion. For additional cabling reliability, strip and tin multi-stranded conductors

before insertion.

d) Insert the cable.

e) Inspect for loose strands and tighten any retention screws on the safety interlock

connector assembly to hold it in place.

f) Connect the safety interlock connector to the device.

15. Power on the chassis.

16. Perform the safety interlock test.

Related Information

Testing the Safety Interlock on page 10

Configuring the NI 4136/4137 in MAX

Use Measurement & Automation Explorer (MAX) to configure your NI hardware. MAX

informs other programs about which devices reside in the system and how they are configured.

MAX is automatically installed with NI-DCPower.

1. Launch MAX.

2. In the configuration tree, expand Devices and Interfaces to see the list of installed

devices.

Installed devices appear under the name of their associated chassis.

3. Expand your Chassis tree item.

MAX lists all devices installed in the chassis. Your default device names may vary.

Note If you do not see your device listed, press <F5> to refresh the list of

installed devices. If the device is still not listed, power off the system, ensure

the device is correctly installed, and restart.

4. Record the device identifier MAX assigns to the hardware. Use this identifier when

programming the NI 4136/4137.

5. Self-test the device by selecting the device in the configuration tree and clicking Self-

Test in the MAX toolbar.

The MAX self-test performs a basic verification of hardware resources.

Testing the Safety Interlock

In order to ensure safe operation of the NI 4136/4137, periodically test the safety interlock for

proper functionality. The recommended test interval is at least once per day of continuous

usage.

10 | ni.com | NI PXIe-4136/4137 Getting Started Guide

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