Interface 9320 Manuale utente

9320 Manual

Portable Battery Powered Indicator

Interface, Inc. •7401 E. Butherus Dr. •Scottsdale, AZ 85260 •800-947-5598 •480-948-1924 (fax)

www.interfaceforce.com

Interface 9320 User Manual Issue 1.0

CONTENTS

INTRODUCTION........................................................................................................................................................................................2

USER OPERATION..............................................................................................................................................................................2

Electrical Connection Information..........................................................................................................................................................3

Sensor Connections.........................................................................................................................................................................3

RS232 Port Connections..................................................................................................................................................................3

InternalConnections........................................................................................................................................................................3

MENU STRUCTURE.............................................................................................................................................................................5

CONFIGURATION MENU.....................................................................................................................................................................7

CALIBRATION MENU...........................................................................................................................................................................9

Operation Features .............................................................................................................................................................................10

Normal Display Operation..............................................................................................................................................................10

Switching the 9320 On/Off.............................................................................................................................................................10

RANGE Button...............................................................................................................................................................................10

HOLD Button..................................................................................................................................................................................11

GROSS/NET Button......................................................................................................................................................................11

SHUNT CAL Button .......................................................................................................................................................................11

PEAK Button..................................................................................................................................................................................11

TROUGH Button............................................................................................................................................................................11

CONFIGURATION MENU Parameters...............................................................................................................................................12

CALIBRATION MENU Parameters.....................................................................................................................................................14

CalibrationProcedures..................................................................................................................................................................15

Specifications......................................................................................................................................................................................17

Mechanical Dimensions......................................................................................................................................................................17

Warranty..............................................................................................................................................................................................18

Interface 9320 User Manual Issue 1.0

INTRODUCTION

The 9320 portable load cell readout is a microprocessor based portable instrument

designed to be compatible with any full bridge sensor with an output sensitivity of up to

50mV/V. Bridge resistances from 85Ωupwards can be used with the 9320.

Configuration and calibration of the 9320 is achieved using the front panel push buttons to

navigate through a very simple menu structure.

User functions available on the 9320 include:

•RangeSelection

•Display Hold/Freeze

•Gross/Net indication selection

•Peak Hold selection

•Trough Hold selection

•Shunt Cal check

The 9320 is powered by two internal non-rechargeable AA alkaline batteries.

There is an option to have rechargeable alkaline batteries, which can be charged without

the need for removing them from the9320.

USER OPERATION

Important Note

The unit is typically supplied calibrated to a particular load cell. All user functions are

available via the front keypad. Do not attempt to re-calibrate the 9320, unless you are

authorised and have the equipment available to do so.

Interface 9320 User Manual Issue 1.0

Electrical Connection Information

Sensor Connections

The standard sensor connection is a 5 pin 723 series Binder connector. The sensor

connector is also used as a charging socket, when the re-chargeable alkaline battery

option has been ordered, the wiring for this is detailed below:

PIN 1 +ve Excitation

PIN 2 -ve Excitation & -ve Charge Input

PIN 3 +ve Signal

PIN 4 -ve Signal

PIN 5 +ve Charge Input

RS232 Port Connections

If the9320has been ordered with the optional RS232 output, then this will be available via

a 7 pin 723 series Binder connector. The wiring for this is as detailed below:

PIN 1 Tx

PIN 2 Rx

PIN 3 Gnd

Internal Connections

It may be necessary from time to time to know what the internal connections are. For

example, if you disturb some of the connections while trying to insert the range legends, or

if you need to change the internal shunt calibration resistor. These are shown below for

referenceonly:

Interface 9320 User Manual Issue 1.0

There are six push buttons on the front panel of the 9320, which are available for use in

normal operation. Each of these is described below:

Front Panel

Button Function of Button in Normal Operation Mode

To switch the 9320 ON or OFF press and hold the button.

The RANGE button allows the user to toggle between two

independent scales. The range that has been selected is

highlighted by an annunciator.

The HOLD button allows you to hold/freeze the current display

value when the button is pressed. Pressing the HOLD button

again releases the display. The HOLD annunciator is illuminated

when in the HOLD mode, and the display will flash, to alarm

further that the user is not viewing instantaneous display values.

The GROSS/NET button, when pressed, allows the user to

toggle between displaying the Gross or Net display values. This

can be useful in many applications where it is necessary to

display the change in display value from a certain part of the

measurement range. When inNET mode the NET annunciator is

lit. When in GROSS mode, the NETannunciator is not lit.

The SHUNT CAL button allows the user to press this at any

point in time. The standard unit shunts a 100k?resistor across

the negative excitation and negative signal connections. If this is

performed at the end of the calibration procedure, then a figure

can be noted, so the user can check calibration accuracy or

connection integrity. The button has to be held down to operate.

When held down the SHUNT CAL annunciator is lit and the

display will flash, to alarm further that the user is not viewing

instantaneous display values.

When thePEAK button is pressed the display will show the last

Peak reading. To reset the Peak readings press the PEAK and

TROUGH buttons simultaneously. When inPEAK mode the

PEAK annunciator will be lit and the display will flash, to alarm

further that the user is not viewing instantaneous display values.

To turn off Peak mode pressthePEAK button.

When theTROUGH (valley) button is pressed the display will

show the last Trough reading. To reset the Trough readings

press the TROUGH and PEAK buttons simultaneously. When in

TROUGH mode the TROUGH annunciator will be lit and the

display will flash, to alarm further that the user is not viewing

instantaneous display values. To turn off the Trough mode press

theTROUGH button

Interface 9320 User Manual Issue 1.0

MENU STRUCTURE

The 9320 has two menus, details of which are outlined below:-

A CONFIGURATION MENU, which enables the user to tailor the operation to meet a

specific application requirement. The values selected in the CONFIGURATION MENU are

completely independent for each range.

SEt ZErO 0000000

SEt rAtE

SEt OUEr

SEt OPEr

AutO OFF

rS232

25? 10? 3?

0.5?

0000000

PSAVE?

EnAbLEd?

RETURN TO

NORMAL DISPLAY

MODE

Interface 9320 User Manual Issue 1.0

A CALIBRATION MENU, which is used to calibrate each of the two ranges with independent scales, as well as setting the display

resolution for each range.

SEnS5.0

SEt rES

CALibrAt LiVE?

RETURNTO

NORMAL DISPLAY

MODE

0000.000

uSE SC? APPLYLO dISP LO 0000000 APPLY HI

dISP HI

0000000

donE

APPLY LO dISP LO 0000000

dISP HI

0000000

donE

tAbLE? InPut LO 0000000 dISP LO 0000000 InPut HI

0000000

dISP HI

0000000

donE

CAL VAL? SEt 9Ain 0000000 SEt OFFS donE0000000

Interface 9320 User Manual Issue 1.0

CONFIGURATION MENU

To enter theCONFIGURATION MENU, press and hold

and buttons for 3 seconds.

Parameter Set-up Information

SEt ZEro

PRESS TO SKIP TO NEXT MENU ITEM

PRESS TO SET A NEW SYSTEM ZERO

This allows the user to introduce a fixed offset to the display value. The

GROSS and NET values are then displayed with this offset taken into account.

Values between-9999999 and +9999999 can be entered, using the and

arrows to select a digit and the and arrows to increment or

decrement the digits.Press to accept the value and move onto the next

parameter.

SEt rAtE

PRESS TO SKIP TO NEXT MENU ITEM

PRESS TO CHANGE THE UPDATE RATE

This allows the user to set the display update rate, the options available is the

update rate of the display in Hz. Please note that the 25Hz update is only

available inPEAK orTROUGHmode.

When you choose to change the update rate you will be prompted whether you

want to select25Hz, if you do not press you will then be prompted to

select any of the other values, which in order, are 10Hz, 3Hz, 1Hz, 0.5Hz. to

set the update rate for the value you want press

SEt

OUEr

PRESS TO SKIP TO NEXT MENU ITEM

PRESS TO SET OVERLOAD ALARM

This allows the setting of a visual overload. The value entered is the display

value at which the 9320 displays OUErLOAd.

Values between-9999999 and +9999999 can be entered, using the and

arrows to select a digit and the and arrows to increment or

decrement the digits.Press to accept the value and move onto the next

parameter.

Interface 9320 User Manual Issue 1.0

Parameter Set-up Information

SEt

OPEr

PRESS TO SKIP TO NEXT MENU ITEM

PRESS TO SELECT OPERATION MODE

This allows the enabling or disabling of the power save mode, which updates at

1 update per second and pulses the sensor excitation. This results in a lower

accuracy (1 part in 20,000).

To enable press .

To disable press

AUtO

OFF

PRESS TO SKIP TO NEXT MENU ITEM

PRESS TO SET AUTO POWER OFF

This enables the setting of an auto power off value. The value entered is in

minutes. If no front panel buttons are pressed for the time set here, then the

indicator will automatically power off, to conserve battery life.

Values between05 and 99can be entered (00 leaves the 9320permanently

powered), using the and arrows to select a digit and the and

arrows to increment or decrement the digits. Press to accept the value and

move onto the next parameter.

rS232

PRESS TO SKIP THIS PARAMETER AND EXIT MENU

PRESS TO ENABLE THE RS232 OUTPUT

This feature enables you to enable or disable the RS232 output. Further details

of the RS232 format are provided further into this manual. The RS232 output is

an option that has to be ordered with the9320. To conserve battery life, it is

suggested that the RS232 output is disabled, when it is not required.

To enable press .

To disable press

Interface 9320 User Manual Issue 1.0

CALIBRATION MENU

To enter the CALIBRATION MENU, press and hold

and buttons for 5 seconds.

Parameter Set-up Information

SEnS 5.0

PRESS TO SKIP TO NEXT MENU ITEM

PRESS TO CHANGE SENSOR INPUT SENSITIVITY

This allows the calibration engineer to change the sensitivity range of the9320,

when connecting to sensors with a sensitivity of greater than 5mV/V. The9320

is factory set for 5mV/V. To ensure the unit is set to 5mV/V press

To select 50mV/V you need to power down the unit and access the internal

circuit board. Move link LK1 and place it onto JP1. Power on the 9320and

return to this point of the calibration menu. You will notice that the menu

parameter has changed to SEnS 50.0, press to change the sensitivity to

50mV/V and move on to the next parameter.

SEt rES

PRESS TO SKIP TO NEXT MENU ITEM

PRESS TO THE SET THE DISPLAY RESOLUTION

This parameter sets the decimal point position for the display and the

resolution, i.e. a value of 000.005would display the reading to 3 decimal

places and the readings will change in steps of 0.005.

The decimal point position is moved one place to the right each time you press

the and together.

Any value can be entered for the resolution, using the and arrows to

select a digit and the and arrows to increment or decrement the digits.

Press to accept the value and move onto the next parameter.

To save the settings and move on to the next parameter press

CALibrAt

PRESS TO SKIP THIS PARAMETER AND EXIT MENU

PRESS TO THE ENTER THE CALIBRATION ROUTINE

If you have chosen to enter the calibration routine you will be prompted

whether you want to selectLiVE, if you do not press ,otherwise press .

You will then be prompted to select either of the other calibration methods,

which in order, aretAbLE and CAL VAL to select any of the calibration

methods press . Otherwise press

For more detailed calibration information, please refer to the calibration section

of the manual.

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