OHAUS T31P Manuel utilisateur

Quick Start Guide T31 Indicators

Ohaus Corporation www.ohaus.com i T31 Indicators Quick Start Guide

ASSEMBLY

Both the T31P and T31XW connect to a scale base through a Load Cell Cable that connects to

the Indicator’s Main Printed Circuit Board (PCB). Follow these connection instructions.

Load Cell cable connections are on the rear of both models:

T31P (rear view)

T31XW (rear view)

Remove the four screws from the Bottom Housing. Separate the Top and Bottom Housing.

Connect the Load Cell cable leads to Load Cell Terminal J5 on the T31’s Main Printed Circuit

Board. (Note Jumpers W1 and W2. RS232 terminals and LFT Switch are also shown.)

OFF ON

J7 J6

W1 W2

Printed Circuit Board (PCB), T31 Indicator

Jumper Connections

For a 4-wire load cell with no sense wires, short Jumpers W1 and W2.

For a 6-wire load cell that includes sense wires, open Jumpers W1 and W2.

For load cells with an extra ground shield wire, connect the shield to the center position (GND).

+EXC +SIG -SIG -EXC

+SENS GND -SENS

Load Cell wiring.

Pin Connection

J5-1 +Excitation

J5-2 +Sense

J5-3 +Signal

J5-4 GND

J5-5 –Signal

J5-6 –Sense

J5-7 –Excitation

Open/shorted jumpers.

Re-assemble the Top and Bottom Housing.

Load Cell

Terminal J5

Sense

Jumper W1

Sense

Jumper W2

LFT On/Off

Switch

RS232

Terminal J6

(T31P only)

RS232

Terminal J7

(T31XW only)

Power

Receptacle

Strain relief for

Load Cell Cable

RS232

Connector

Strain relief for

Power Cable

Strain relief for

Load Cell Cable

Strain relief for

RS232 Cable

T31 Indicators Quick Start Guide

T31 Indicators Quick Start Guide ii Ohaus Corporation www.ohaus.com

SAFETY PRECAUTIONS

For safe and dependable operation of this product, please comply with the following

safety precautions:

•Verify that the input voltage printed on the power Adapter and the plug type matches

the local power supply.

•Make sure that the power cord does not pose an obstacle or tripping hazard.

•Disconnect the product from the power supply when cleaning.

•Do not operate this product in hazardous or unstable environments.

•Do not drop loads on the pan.

•Use only approved accessories and peripherals, as available.

•Operate the product only under ambient conditions specified in the Instruction Manual.

•Service should be performed by authorized personnel only.

Button

Primary

Function

(Short Press)

ON/ZERO

Turns Indicator on.

If indicator is on,

sets zero.

Sends the current value to the COM

port if AUTOP INT is set to Off.

FUNCTION

Initiates an application

mode.

TARE

Performs a tare

operation.

Secondary

Function

(Long Press)

Off

Turns Indicator off.

Units

Changes the weighing unit.

Mode

Allows changing the

application mode.

Press and hold allows

scrolling through modes.

Enter the User menu.

Function

(Short Press)

Yes

Accepts the current

setting on the

display.

Advances to next item.

ejects current setting, advances

to next available setting.

Increments the value.

Back

Moves back to previous

menu item.

Decrements the value.

Exit

Exits the User menu.

Aborts a calibration in

progress.

Stability

symbol

Indicators for Zero,

Battery,

Calibration Mode,

PCs, TARE

(Battery only

on T31P.)

7-segment, 6-digit

Display Kilogram,

Pound, &

Ounce symbols

Control Buttons

Capacity label

window

Quick Start Guide T31 Indicators

Ohaus Corporation www.ohaus.com iii T31 Indicators Quick Start Guide

OPERATION

To turn the Indicator on, press and hold ON for two seconds. The Indicator

performs a display test, momentarily displays the software version, and

then enters the active weighing mode.

To turn Indicator off, press and hold Off until OFF appears.

Zero is set under the following conditions:

– Automatically at Power On (initial zero).

– Manually: press ZERO. (Scale must be stable and within zero range.)

Manual Tare: When weighing an item that must be held in a container,

taring stores the container weight in memory. Place the empty container on

the scale (example 0.5 kg) and press the TARE button.

The display will show the net weight.

To clear the Tare value, empty the scale and press TARE.

The display shows gross weight (zero if scale is empty).

Weighing: Place the item to be weighed on the scale.

(Sample shown: 1.5 kg, Gross weight.)

Note: To return to the Weighing mode from Parts Counting mode, press

and hold Mode until WEIGH appears.

Verify the indicator: place a known mass on the scale and check if the

reading is accurate. If not, calibrate, using the Calibration Guide.

ADDITIONAL OPERATIONS

Parts Counting: Use this mode to count parts of uniform weight.

The Indicator determines the quantity based on the average weight of a

single part. All parts must be uniform in weight for accurate measurements.

To enter this mode, press and hold Mode until Count appears.

Note: Count must first be enabled in the Mode menu. (See back page.)

Average Piece Weight (APW): When Mode is released, CLr.PW appears.

Press Yes to clear the stored APW. Press No to recall the existing APW.

APW appears. Press Mode to display the APW value.

(If no APW was previously stored, CLr.PW is skipped; PUt10Pcs appears.)

Place 10 pieces on the scale, or press No to increment the sample size.

Choices are 5, 10, 20, 50, 100 and 200.

Place the parts on the scale and read the count.

(If using a container, be sure to tare the empty container first.)

Changing Units of Measure: Press and hold Units until the desired

measuring unit appears. Only units enabled in the Unit Menu are displayed

(See back page.)

T31 Indicators Quick Start Guide

T31 Indicators Quick Start Guide iv Ohaus Corporation www.ohaus.com

MENU NAVIGATION

Press and hold Menu until MENU appears.

Use Yes, No, Back,and Exit to navigate:

– Yes Allows entry into the displayed menu.

Accepts the displayed setting and advances to the next menu item.

– No Skips by the displayed menu.

Rejects the displayed setting or menu item and advances to the next available item.

– Back Moves backwards through the upper and middle level menus.

Backs out of a list of selectable items to the previous middle level menu.

– Exit Exits from menu directly to the active weighing mode.

MENU SETUP

*80253021*

P/N 80253021

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