GRAPHTEC GL840 Manuale utente

GL840

midi LOGGER

Quick Start Guide

604849025 GL840-UM-854

Contents

Thank you for choose the midi LOGGER GL840.

This Quick Start Guide describes the basic operations.

Please refer to the manual (PDF) in the CD-ROM for more information.

Nomenclature ……………………………………………………… 2

Connection Procedures ……………………………………………3

Precautions to Observe When Performing Measurement

………5

Descriptions of the Control Panel Keys ………………………… 7

Descriptions of the Menu Screens …………………………… 10

Measurement Procedure…………………………………………11

1. Preparations :

How to Make the Preparations Required for Data Capture

…………………

2. Setup : How to Make the Settings ……………………………………………12

Data Capture : How to Capture Data

…………………………………………15

Data Replay : How to Replay Captured Data

………………………………16

Convenient Functions …………………………………………… 17

Trigger Functions to Control Data Capture Start/Stop Operations

………… 17

Span, Trace and Position Functions to Adjust the Waveform Display

……… 19

Specifications

………………………………………………………20

Standard Specifications

…………………………………………………………20

External Input/Output Functions

…………………………………………………20

Common specifications of the terminal in the input section

………………… 21

Specifications of input section

(GL840-M with standard terminal)

………………… 21

Specifications of input section

(GL840-WV Withstand High Voltage high-precision terminal)

… 22

Installation Guide

…………………………………………………22

After unpacking, check the GL840's Exterior to make sure that

there are crack or other damage before use.

• Quick Start Guide : 1 • Ferrite core : 1 • CD-ROM : 1 • AC cable/AC adapter : 1

• Cover : 1

Checking the Outer Casing

Checking the Accessories

Nomenclature

(Option: when using

• Temperature and humidity sensor

• 4ch voltage/temperature terminal

• 3-axis acceleration/temperature sensor

• 4ch thermistor terminal

• Adapter for AC current sensor

• CO2 sensor

• Illumination/ultraviolet sensor

• Branch adapter for GS.)

Power switchMonitor Control panel keys

Power jack for humidity sensor

Humidity sensor

(Option: when using the B-530)

GND terminal

Operation status LED

• POWER

• START

• CHARGE

SD CARD

External input/output terminals

• LOGIC/PULSE

• EXT TRIG/SAMPLE

• ALARM

Input/output put cable for GL

(Option: When using B-513)

Two battery pack can be installed

(Option: When using B-569)

Battery cover

• Standard terminal (B-564)

• Withstand high-voltage high-precision terminal

(B-565)

• Screwless terminal (B-564SL)

Analog signal input terminals

Bottom Panel

Front View

Top View

AC adapter jack

LAN interface terminal USB interface terminal

Wireless unit

(Option: When using B-568)

Wireless unit

connection terminal

Label

Tilt foot

GS sensor and terminal/

adapter connection terminal

Connection Procedures

DC voltage input Thermocouple input

Resistance bulb input DC current input

Compensation wire is

used if it is required.

DC voltage

Orange with red dotted line : 1

Orange with black dotted line : 2

Grey with red dotted line : 3

Grey with black dotted line : 4

White with red dotted line : 1

White with black dotted line : 2

Yellow with red dotted line : 3

Yellow with black dotted line : 4

Pink with red dotted line : Trigger input/

external sampling input

Shielded GND

Logic/pulse

input

Alarm output

< Signal assignment >

Pink with black dotted line

Connecting the AC Adapter

Connect the DC output of the AC adapter to the

connector indicated as "DC LINE" on the GL840.

Connecting the Grounding Cable

Use a flathead screwdriver to push the button above

the GND terminal while connecting the grounding

cable to the GL840. Connect the other end of the

cable to ground.

Lead wire resistance should be

10 Ω or less per wire, three

wires need to be same length.

Shunt resister

Ex: For 4-20mA, add 250Ω (±0.1%) and measure

in the 1-5V range.

* Use B-551 (option) for the shunt resistor.

Making Connections to the Analog Input Terminals

CAUTION: Connect wires to the specified channel, the channel number is shown on top of the terminal block.

For the connection to the screwless terminal, refer to the instruction manual (PDF).

Making Connections to the External Input/Output Terminals (Option: When using B-513)

* The B-513 input/output cable for GL (sold separately) is required for connecting input/output signals.

(For logic/pulse input, alarm output, trigger input, external sampling pulse input)

< Screw terminal >

CH1................................CH20.

Internal memory

• The internal memory is displayed as the SD1 or SD CARD1

• The internal memory is not removable.

Mounting of the SD CARD

CAUTION: When removing the SD CARD, remove it after the SD CARD on the GL840's screen is displayed in

green.

The POWER LED blinks while accessing to the SD CARD.

Connection of the USB cable

This midi LOGGER complies with the EMC Directive in the state when the supplied ferrite core is attached to the

USB cable.

When connecting with the USB cable, the USB driver must be installed to the PC. For information about how to

install, refer to the "USB Driver Installation Manual" in the supplied CD-ROM.

* Make sure that the SD CARD

is not locked.

< How to mount >

(1) Open the protective

cover of SD CARD.

(2) Push the SD CARD until

it clicks and is locked.

When connecting to the PC with the

USB cable, attach the supplied ferrite

core to the USB cable as shown in the

following figure.

Using the cable with A-type and B-type

connectors, connect between the midi

LOGGER and PC.

< How to remove >

USB cable Ferrite core (Supplied)

A-type connector B-type connector

(1) The SD CARD is unlocked

by pushing gently the SD

CARD.

Then, remove

the SD CARD.

Precautions to Observe When Performing Measurement

If a voltage exceeding the specified value is input, the semiconductor relay in the

input section will be damaged. Never input a voltage exceeding the specified value

even for a moment.

< Between +/– terminals(A) >

• Maximum input voltage: 60Vp-p (Range of 20mV to 2V)

110Vp-p (Range of 5V to 100V)

< Between input terminal/input terminal (B) >

• Maximum input voltage: 60Vp-p

• Withstand voltage: 350Vp-p/1 minute

< Between input terminal/GND (C) >

• Maximum input voltage: 60Vp-p

• Withstand voltage: 350Vp-p/1 minute

Maximum input voltage of Withstand High Voltage high-precision terminal (B-565)

Maximum input voltage of standard terminal (B-564) and screwless terminal (B-564SL)

If a voltage exceeding the specified value is input, the semiconductor relay in the

input section will be damaged. Never input a voltage exceeding the specified value

even for a moment.

Warming-up

GL840 requests to have approximately 30 minutes warm-up in order to have the

specified performance.

Unused channels

The analog input section of the GL840 contains a capacitor to improve the noise

removal capability.

Therefore, when the input terminal is open, the measurement result may be

affected by the signals of other channels. In such a case, set the input setting to

"Off" or short the +/- terminal. If the signal is input properly, there is no effect of

other channels.

< Between +/– terminals(A) >

• Maximum input voltage: 60Vp-p (Range of 20mV to 2V)

110Vp-p (Range of 5V to 100V)

< Between input terminal/input terminal (B) >

• Maximum input voltage: 600Vp-p

• Withstand voltage: 600Vp-p

< Between input terminal/GND (C) >

• Maximum input voltage: 300Vp-p

• Withstand voltage: 2300VACrms/1 minute

Noise countermeasures

If measured values fluctuate due to extraneous noise, conduct the following

countermeasures.(Results may differ according to noise type.)

Ex 1 : Connect the GL840's GND to ground.

Ex 2 : Connect GL840's GND to measurement object's GND.

Ex 3 : Operate GL840 with batteries (Option: B-569).

Ex 4 : In the AMP settings menu, set filter to any setting other than "OFF".

Ex 5: The digital filter of the GL840 provides an effective sampling interval.

(Table below)

*1 Number of Measuring Channels is the number of channels in which input settings are

NOT set to “OFF” .

*2 Temperature cannot be measured when the sampling interval is set to 10 ms/20 ms or

50 ms.

In the "OTHER" menu, the commercial power frequency to be used must be

set.

Set the AC power frequency to be used.

Device to be

measured

GL840

Z1 Z2

Thermocouple Input terminals Vin

Select items

50 Hz

60 Hz

Area where the power frequency is 50 Hz

Area where the power frequency is 60 Hz

Description

Number of Measuring

Channels *1

1 chahnnel or less

5 chahnnels or less

2 chahnnels or less

10 chahnnels or less

11 to 20 chahnnels

21 to 50 chahnnels

51 to 100 chahnnels

101 to 200 chahnnels

10 msec or slower *2

50 msec or slower *2

20 msec or slower *2

100 msec or slower

200 msec or slower

500 msec or slower

1 sec or slower

2 sec or slower

50 msec or slower

250 msec or slower

125 msec or slower

500 msec or slower

1 sec or slower

2 sec or slower

5 sec or slower

10 sec or slower

Allowed Sampling

Interval

Sampling Interval which

enables Digital Filter

Descriptions of the Control Panel Keys

(2) SPAN/TRACE/POSITION

(1) CH GROUP

(3) TIME/DIV

(4) MENU

(5) QUIT

(6) DIRECTION KEYS

(7) ENTER

(8) FAST FORWARD (KEY LOCK)

(9) START/STOP (USB DRIVE MODE)

(10) REVIEW

(12) CURSOR (ALARM CLEAR)

(13) FILE

(14) NAVI

(11) DISPLAY

+ + ENTER

Password setting

Press this key to switch to the next group consisting of 10 channels.

Press the key to switch to the previous group.

Press the key to switch to the next group.

When installing the GS sensor and terminal/module (sold separately), the following group display is viewed.

1.CH GROUP

Press the [TIME/DIV] key to change the time axis display range on the waveform

screen.

3.TIME/DIV

This key enables SPAN, TRACE, and POSITION settings to be made

independently for each channel. Each time this key is pressed, the display mode

changes in the sequence shown below. Use the and keys to select the

channel, and the and keys to change the setting values.

2.SPAN/TRACE/POSITION

Points to Remember

Displays digital values (default).

Used to change span settings (change the waveform amplitude).

Used to change position settings (adjust the upper and lower values

of the waveform).

Used to change trace settings (set the waveform display to On or Off).

* If the QUIT key is pressed when the GL840 is in the SPAN, TRACE, or

POSITION mode, the display returns to MONITOR mode.

MONITOR

SPAN

POSITION

TRACE

Press the [MENU] key to open a setup menu. Each time this key is pressed, the

setup screen tabs change in the sequence shown below.

4.MENU

Press the [QUIT] key to cancel the settings and return them to their default settings.

If the device is in the Remote (Key Lock) status that the device is operated by the

computer via the interface, press this key to return the device to the normal

operating status (Local).

5.QUIT (LOCAL)

These keys are used to select menu setup items, to make span settings in the digital

display area, to move the cursors during a data replay operation, and so forth.

6.Keys (DIRECTION KEYS)

Press the [ENTER] key to enter the settings made in the setup menus, and to

confirm your settings.

7.ENTER

8.Keys (KEY LOCK)

These keys are used when you want to move the cursor quickly during replay or

change the display mode on the “Digital + Operation” screen. Hold down both keys

simultaneously for at least two seconds to enable key lock status.

To cancel key lock status, press them again for at least two seconds.

The key lock status can be confirmed by turning the key lock lamp on the monitor

red.

* By simultaneously pressing the key + ENTER + key at the same time, you can set the

password for key lock.

•AMP Settings

Used to set the input, range, filter and other settings.

•Data Capture Settings

Used to set settings such as the sampling interval, data capture

destination, and calculations during data capture.

•Trigger Settings

Used to specify data capture start and stop conditions, and alarm

conditions.

•Interface Settings

Set the USB ID and network settings.

•Other Settings

Used to set the screen brightness, background color, and language,

etc.

AMP

DATA

TRIG

I/F

OTHER

Points to Remember

Press the [START/STOP] key to perform start and stop of a data capture while the

GL840 is in the Free Running, and the capturing stop operation is performed while

it is in data capturing.

If this key is held down while the power to the GL840 is turned on, the GL840 is

switched the USB to the Drive Mode.

* For more information about the Drive Mode of the USB, refer to the User's Manual in the supplied

CD.

9.START/STOP (USB DRIVE MODE)

Press the [REVIEW] key to replay captured data. If the GL840 is in the Free

Running status, data files that have already been captured are replayed. If the

GL840 is still capturing data, the data is replayed in a 2-screen format.

* A data replay operation will not be performed if data has not been captured.

10.REVIEW

Press the [DISPLAY] key

11.DISPLAY

Press the [CURSOR] key to switch between the A and B cursors during a data

replay operation.

If the Alarm setting has been specified as "Alarm Hold", press this key to clear the

alarm.

The alarm settings are made in the "TRIG" menu.

12.CURSOR (ALARM CLEAR)

It is used to operate the internal memory (SD1) and SD CARD (SD2), or replace

the SD CARD (SD2).

13.FILE

When this key is pressed during Free Running, you can perform the setting easily

on the menus of the easy capture setting, easy trigger setting, and wireless LAN

connection setting (available only when the wireless unit is inserted.).

14.NAVI

Points to Remember

•Waveform + Digital

This is the default screen when the GL840 is turned on,

and both waveforms and digital values are displayed.The

screen settings can also be changed by using the

[SPAN/TRACE/POSITION] key.

•Full-screen Waveform

Displays waveform only in the full-screen.

* For more information, refer to the User's Manual in the

supplied CD.

•Digital + Calc

Displays large-size digital values and two types of

calculation processing results. The calculation settings are

made in the "DATA" menu.

Use the key or key to switch digital display

modes.

Waveform + Digital

Full-screen Waveform

Digital + Calc

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