Keithley DMM7512 Betriebsanleitung

Model DMM7512 7½ Digit Sampling Multimeter

Instrument Information

071357601 / October 2018 *P071357601* 1

Introduction

This document describes the DMM7512 7½ Digit Multimeter instrument and how it differs from the Model

DMM7510 7½ Digit Multimeter instrument.

The DMM7512 is a no-front-panel version of the DMM7510 that has two DMM modules housed in one

enclosure. Except for the power switch, each module operates independently within the enclosure.

Figure 1: DMM7512 7½ Digit Multimeter

What you should have received

In addition to the DMM7512, you should have received the items in the following table.

Part number

Description

Quantity

012178100

Test lead kit

CA-180-16A

LAN crossover cable, 16 in.

1747107XX

Shielded crossover cable with RJ-45 connector, 5 ft.

CO-26

Power line cord

CS-568-120A

Green and yellow ground cable, 120 in.

0713411XX

Safety precautions

4299-13 Rack Mount kit, consisting of:

▪4076126XX

1U rack rail mount

▪10-32X3/8PHTRSH

10-32X3/8 Phillips truss head screw

▪10-32X5/8PHTRSH

10-32X5/8 Phillips truss head screw

▪FA-274

Cage nut

Note: XX is the latest revision number.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

2 071357601 / October 2018

Customer documentation

The DMM7512 is very similar to the DMM7510. This document describes the differences between the

DMM7512 and the DMM7510. Other than the changes described in this document, the products are identical,

so you can use the DMM7510 documents as a resource.

For complete customer documentation, see the Model DMM7510 7½ Digit Multimeter Reference Manual and

other DMM7510 documentation.

To download the DMM7510 documentation:

1. Go to tek.com/product-support.

2. Enter the model number.

If you are using Test Script Builder, use the "Model DMM7510 Command Reference" of the TSB help for

information.

The DMM7510 documentation is available from the tek.com/keithley website in Adobe® Acrobat® PDF format

and includes:

▪ The Model DMM7510 Reference Manual: Includes advanced operation topics and maintenance

information. Programmers looking for a command reference, and users looking for an in-depth description

of the way the instrument works (including troubleshooting and optimization), should refer to the Reference

Manual.

▪ The Model DMM7510 User’s Manual: Provides application examples that you can use as a starting point

to create your own applications.

▪ The Model DMM7510 7½ Digit Graphical Sampling Multimeter Calibration and Adjustment Manual:

Provides calibration and adjustment information. Refer to Verification and adjustment (on page 11) for

detail.

▪ Accessories information: Documentation for accessories.

Capabilities and features

The DMM7512 has the following features:

▪ Ability to perform sensitive measurements on low-level signals

▪ Simplified trigger model with measure configuration lists

▪ USB-A connector for flash-drive support

▪ USB-B connector for communication, control, and data transfer

▪ Limit testing with a built-in comparator for pass/fail testing

▪ Digital I/O for stand-alone binning operations or interface to a component handler

▪ SCPI and Test Script Processor (TSP®) programming languages with remote interface ports (USB and

LAN)

▪ Built-in math expressions and user-defined expressions (using a remote interface)

▪ Filtering to reduce reading noise

▪ A trigger model that supports extensive triggering and synchronization schemes at hardware speeds

▪ LXI® Core Specification 1.4 compliance

▪ TSP-Link® system expansion interface that test system builders can use to connect multiple instruments in

a master and subordinate configuration

▪ Supports USB and ethernet local area network (LAN) connections

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

071357601 / October 2018 3

Differences between the DMM7510 and the DMM7512

The DMM7512 contains two digital multimeters that offer DMM7510 features in a configuration tailored to

rack-mount operation. Most DMM7510 functionality is available, with the following exceptions:

▪ Measure functions for AC voltage, AC current, frequency, period, and capacitance are not available.

▪ The maximum current measurement is 3 A.

▪ There is no front-panel display and there are no keys. You can access a virtual front panel using a remote

LAN interface. Refer to Accessing the virtual front panel (on page 9).

▪ Remote communications setup is different. See Setting up remote communications (on page 7).

▪ Connections for remote communications are on the front panel of the box. See Front-panel overview (on

page 5) for locations.

▪ GPIB functionality is not available.

▪ The Digital I/O connector for each module is oriented so that pin 1 is in the upper right. See Digital I/O port

(on page 6).

▪ The LAN RESET button for each module is on the front panel to the left of the TSP-Link connectors.

▪ Measurement connections are on the rear panel of the instrument only. There is no front terminal or rear

terminal selection. See Rear-panel overview (on page 6) for locations.

▪ The instrument dimensions are different and there are no handles or bumpers. See Dimensions (on

page 4).

▪ The USB VISA resource string for the DMM7512 is USB0::0x05e6::0x7512::[serial

number]::INSTR, where [serial number] is the serial number of the module.

▪ Warmup time for the DMM7512 is four hours.

▪ There is a single power switch and power input for both modules.

▪ Each DMM7512 has three serial numbers, one for the instrument and one for each module. The

instrument serial number is on a label on the front panel. This serial number is not available through a

remote interface. The serial numbers for the modules are on labels on the rear panel. The serial number

for a specific module can be accessed through the virtual front panel or by using the

localnode.serialno command over a remote interface.

▪ The default Command Set for the DMM7512 is TSP instead of SCPI.

Installing the DMM7512

The DMM7512 is intended for mounting in a rack only. For detailed instructions, refer to the documentation for

the Model 4299-13 Rack Mount Kit (part number 0713574XX).

Rack mounting the DMM7512 requires two people. Failure to recognize and observe standard

safety precautions could result in personal injury.

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

4 071357601 / October 2018

Dimensions

The following figures show the mounting screw locations and other dimensions of the instrument.

Figure 2: DMM7512 top view

Figure 3: Dimensions - front view

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

071357601 / October 2018 5

Figure 4: Dimensions - side view

Front-panel overview

The front panel of the DMM7512 is shown below. Descriptions of the controls on the front panel follow the

figure.

Figure 5: DMM7512 front panel

Power indicator

and switch

The power switch turns the instrument on or off. The indicator is

illuminated when the instrument is on. The power switch powers both

modules.

USB Type A port

USB Type A connection. You can use a USB flash drive to store

reading buffer data, scripts, and user setups. You can also use it to

upgrade the firmware.

LAN RESET

Reverts the LAN settings and the instrument password to default

values. Insert a straightened paper clip into the hole above LAN

RESET to reset the LAN. Refer to Set the IP address to be set

automatically (on page 8) for details on how to use.

TSP-Link ports

Connections for the TSP-Link® system expansion

interface, which builders of test systems can use to

connect multiple instruments in a master and

subordinate configuration. TSP-Link is a high-speed

trigger synchronization and communication bus.

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

6 071357601 / October 2018

Digital I/O port

A digital input/output port that detects and outputs digital signals. The

port provides six digital I/O lines. Each output is set high (+5 V) or low

(0 V) and can read high or low logic levels. Each digital I/O line is an

open-drain signal.

USB Type B port

USB Type B connection for communication, control, and data

transfer.

LAN STATUS

LED indicator

Illuminates when the instrument is connected to a local area network

(LAN).

LAN port

Supports full connectivity on a 10 Mbps or 100 Mbps network. The

DMM7512 is a version 1.5 LXI Device Specification 2016 instrument

that supports TCP/IP and complies with IEEE Std 802.3 (ethernet

LAN). See Setting up remote communications (on page 7).

Rear-panel overview

The rear panel of the DMM7512 is shown below. The descriptions of the rear-panel components follow the

figure.

Figure 6: 7512 rear panel

INPUT and

SENSE terminals

Use the INPUT HI and INPUT LO terminals for all

measurements except current. For current

measurements, use the AMPS connection with the

INPUT LO terminal.

Use the SENSE HI and SENSE LO terminals and the

INPUT terminals with the 4-wire resistance, 3-wire

and 4-wire RTD temperature, and DC voltage ratio

functions.

AMPS connection

3 A, 250 V current connector for DC current and digitize DC current

10 µA to 3 A ranges.

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

071357601 / October 2018 7

Measurement

input fuse

Fast-acting current-input fuse.

For continued protection against fire hazard, replace this fuse with a

fuse of the same type and rating (Keithley part number

DMM7510-FUSE-3A).

EXT TRIG

IN/OUT terminal

This terminal is a TTL-compatible input/output line with a 0 to 5 V

logic signal. You can use this line for triggering by using the transition

of the line state to initiate an action. The instrument can generate

output trigger pulses and detect input trigger pulses on this line.

Chassis ground

Ground screw for connections to chassis ground. This provides

a connection terminal to the equipment frame.

Line fuse and

power receptacle

Connect the line cord to the power receptacle and a grounded AC

power outlet. The line fuse, located just above the power receptacle,

protects the power line input of the instrument.

Setting up remote communications

Each device on a LAN (corporate or private) requires a unique IP address. Contact your corporate information

technology (IT) department for details about obtaining an IP address before you connect the DMM7512 to a

corporate or private network.

Contact your corporate IT department for permission before you connect the DMM7512 to a

corporate network.

Each module in the instrument has a separate IP configuration. The IP configuration persists through a power

cycle.

When the DMM7512 is shipped, the IP configurations for each module are set to Manual and are set to the

following values:

▪ IP address, module 1: 192.168.0.3

▪ IP address, module 2: 192.168.0.4

▪ Gateway: 192.168.0.1

▪ Subnet mask: 255.255.255.0

These values persist through a power cycle unless they are changed or the LAN RESET button is selected. If

the LAN RESET button is selected, the TCP/IP mode is set to automatic.

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

8 071357601 / October 2018

Set the IP address to be set automatically

When the TCP/IP configuration mode is set to Automatic, a DHCP server automatically sets the IP address,

subnet mask, and the default gateway. To use this option, a DHCP server must be available on the network.

The following steps reset the TCP/IP configuration, which also resets the instrument password. This

allows remote access to LXI web page controls that may have been password-protected before the

reset.

To use the LAN RESET switch to select Automatic configuration:

1. Turn on instrument power.

2. Wait for the instrument to complete power up.

3. Insert a straightened paper clip into the recessed LAN RESET switch on the DMM7512 front panel,

pressing the switch briefly. The LAN status indicator illuminates when the connection is established.

4. To find the IP address that was automatically applied, use the LXI Discovery Tool, a utility that is available

from the Resources tab of the LXI Consortium website (http://www.lxistandard.org/).

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

071357601 / October 2018 9

Accessing the virtual front panel

If you have a LAN connection, you can access the web interface of each module in the instrument. Each

module has its own IP address and is controlled separately. The web interface for each module includes a

virtual front panel, which you can use to control the module. You can access the web interface for both modules

at the same time.

To access the web interface and virtual front panel:

1. Open a web browser on the host computer.

2. Enter the IP address of the module in the address box of the web browser. For example, the default

address for module 1 is 192.168.0.3, so you enter 192.168.0.3 in the browser address box to access

module 1.

The default IP address for module 2 is 192.168.0.4, so to access module 2, enter 192.168.0.4.

3. Press Enter on the computer keyboard to open the web page for the module.

4. If prompted, enter a user name and password. The default is admin for both.

5. Select Virtual Front Panel from the left pane.

An example of the virtual front panel is shown below.

Figure 7: DMM7512 virtual front panel

Model DMM7512 7½ Digit Sampling Multimeter Instrument Information

10 071357601 / October 2018

Line fuse replacement

A fuse on the DMM7512 rear panel protects the power line input of the instrument.

Disconnect the line cord at the rear panel and remove all test leads connected to the

instrument before replacing a line fuse. Failure to do so could expose the operator to

hazardous voltages that could result in personal injury or death.

The fuse drawer is above the AC receptacle on the rear panel of the DMM7512, as shown in the following

figure.

Figure 8: Fuse replacement

To prevent injury, death, or instrument damage, use only the correct fuse type (see table).

To replace the line fuse:

1. Power off the instrument and remove the line cord.

2. There is a small tab at the bottom of the fuse drawer. Using a small screwdriver, pry this tab from the AC

receptacle.

3. Slide the fuse drawer out to access to the fuse.

4. Snap the fuse out of the drawer and replace it with the same type, as specified in the table below.

5. Push the fuse drawer back into the module.

If a fuse continues to become damaged, a circuit malfunction exists and must be corrected. Return the

instrument to Keithley Instruments for repair.

Line fuse

Line voltage

Rating

Keithley part number

100 V to 240 V

250 V, 3.15 A, Slow Blow 5 x 20 mm

FU-106-3.15

Inhaltsverzeichnis

Andere Keithley Multimeter Handbücher

Keithley

Keithley 2016 Bedienungsanleitung

Keithley

Keithley 197A Bedienungsanleitung

Keithley

Keithley 196 Bedienungsanleitung

Keithley

Keithley 175 Bedienungsanleitung

Keithley

Keithley 2001 Bedienungsanleitung

Keithley

Keithley 191 Bedienungsanleitung

Keithley

Keithley 195A Bedienungsanleitung

Keithley

Keithley 3700A Series Bedienungsanleitung

Keithley

Keithley 2700 Bedienungsanleitung

Keithley

Keithley 169 Bedienungsanleitung

Keithley

Keithley 2010 Bedienungsanleitung

Keithley

Keithley 165 Bedienungsanleitung

Keithley

Keithley 195 Bedienungsanleitung

Keithley

Keithley 177 Bedienungsanleitung

Keithley

Keithley DMM6500 Bedienungsanleitung

Keithley

Keithley 169 Bedienungsanleitung

Keithley

Keithley 2750 Bedienungsanleitung

Keithley

Keithley 2110 Bedienungsanleitung

Keithley

Keithley 171 Bedienungsanleitung

Keithley

Keithley 2002 Stücklistenhandbuch

Keithley

Keithley 150 A Bedienungsanleitung

Keithley

Keithley DAQ6510 Bedienungsanleitung

Keithley

Keithley 197 Bedienungsanleitung

Keithley

Keithley 2000 Bedienungsanleitung

Beliebte Multimeter Handbücher anderer Marken

Agilent Technologies

Agilent Technologies 34420A Bedienungsanleitung

Fluke

Fluke 83 Bedienungsanleitung

Hameg

Hameg HM 8012 Bedienungsanleitung

Mastech

Mastech MY70 Bedienungsanleitung

Steren

Steren MUL-300 Bedienungsanleitung

Somogyi Elektronic

Somogyi Elektronic home SMA 92 Bedienungsanleitung

Gossen MetraWatt

Gossen MetraWatt METRAmax 6 Bedienungsanleitung

PeakTech

PeakTech 4000 Gebrauchs- und Pflegehandbuch

YOKOGAWA

YOKOGAWA 90050B Bedienungsanleitung

Gossen MetraWatt

Gossen MetraWatt METRALINE DMM16 Bedienungsanleitung

Fluke

Fluke 8846A Bedienungs- und Wartungshandbuch

Tempo Communications

Tempo Communications MM200 Bedienungsanleitung

Elenco Electronics

Elenco Electronics CM-1555 Bedienungsanleitung

Mastech

Mastech MS8238C Bedienungsanleitung

SDAR

SDAR 830A, 830B, 830D, 830C Bedienungsanleitung

RS PRO

RS PRO RS-9519BT Bedienungsanleitung

BGS technic

BGS technic 8890 Bedienungsanleitung

Amprobe

Amprobe Hexagon 60 Bedienungsanleitung