Ohaus 3000 User Manual
3000 Series Indicators
Instruction Manual
T32ME Indicator
T32MC Indicator
i
ii
TABLE OF CONTENTS
1. INTRODUCTION ..........................................................................................................................................EN-4
1.1 Safety Precautions .....................................................................................................................................EN-4
1.2 Overview of Parts and Controls ...................................................................................................................EN-5
1.3 Control Functions .......................................................................................................................................EN-9
2. INSTALLATION .........................................................................................................................................EN-10
2.1 Unpacking ..............................................................................................................................................EN-10
2.2 External Connections ................................................................................................................................EN-10
2.2.1 RS232 Interface Cable to T32M .......................................................................................................EN-10
2.2.2 AC Power to T32M ........................................................................................................................EN-10
2.2.3 Mounting Bracket to T32M ..............................................................................................................EN-10
2.3 Internal Connections .................................................................................................................................EN-11
2.3.1 Opening the Housing ....................................................................................................................... EN-11
2.3.2 Scale Base to T32M ......................................................................................................................EN-11
2.4 Mounting Bracket ....................................................................................................................................EN-12
3. SETTINGS ................................................................................................................................................EN-13
3.1 Menu Structure ........................................................................................................................................EN-13
3.2 Menu Navigation .....................................................................................................................................EN-14
3.3 Calibration Menu .....................................................................................................................................EN-14
3.3.1 Span Calibration ...........................................................................................................................EN-15
3.3.2 Linearity Calibration ......................................................................................................................EN-15
3.3.3 Geographical Adjustment Factor .....................................................................................................EN-16
3.3.4 End Calibration .............................................................................................................................EN-16
3.4 Setup Menu .............................................................................................................................................EN-18
3.4.1 Reset ...........................................................................................................................................EN-18
3.4.2 Legal for trade .............................................................................................................................. EN-18
3.4.3 Calibration Unit .............................................................................................................................EN-18
3.4.4 Capacity ......................................................................................................................................EN-18
3.4.5 Graduation ...................................................................................................................................EN-20
3.4.6 Power On Unit ..............................................................................................................................EN-20
3.4.7 Zero Range ..................................................................................................................................EN-20
3.4.8 Retain Zero Data ...........................................................................................................................EN-20
3.4.9 End Setup ....................................................................................................................................EN-20
EN-13000 Series Indicators
EN-2 3000 Series Indicators
TABLE OF CONTENTS (Cont.)
3.5 Readout Menu ......................................................................................................................................... EN-21
3.5.1 Reset ...........................................................................................................................................EN-21
3.5.2 Stable ..........................................................................................................................................EN-21
3.5.3 Filter ............................................................................................................................................EN-21
3.5.4 Auto-Zero Tracking ........................................................................................................................EN-21
3.5.5 Sleep (T32ME) ............................................................................................................................. EN-22
3.5.6 Light (T32ME) ..............................................................................................................................EN-22
3.5.7 Backlight (T32MC) .......................................................................................................................EN-22
3.5.8 Auto Off Timer ..............................................................................................................................EN-22
3.5.9 Expand Mode (For testing only)......................................................................................................EN-22
3.5.10 End Readout ................................................................................................................................. EN-22
3.6 Mode Menu .............................................................................................................................................EN-23
3.6.1 Reset ...........................................................................................................................................EN-23
3.6.2 Parts Counting Mode .....................................................................................................................EN-23
3.6.3 Display Hold Mode .......................................................................................................................EN-23
3.6.4 Checkweigh Mode ........................................................................................................................EN-23
3.6.5 Totalize Mode ...............................................................................................................................EN-23
3.6.6 End Mode ....................................................................................................................................EN-23
3.7 Unit Menu ...............................................................................................................................................EN-24
3.7.1 Reset ...........................................................................................................................................EN-24
3.7.2 Kilogram Unit ...............................................................................................................................EN-24
3.7.3 Pound Unit ...................................................................................................................................EN-24
3.7.4 Gram Unit ....................................................................................................................................EN-24
3.7.5 Ounce Unit ...................................................................................................................................EN-24
3.7.6 Pound Ounce Unit .........................................................................................................................EN-24
3.7.7 End Unit ......................................................................................................................................EN-25
3.8 Print Menu ..........................................................................................................................................EN-25
3.8.1 Reset ...........................................................................................................................................EN-25
3.8.2 Baud ........................................................................................................................................... EN-25
3.8.3 Parity .......................................................................................................................................... EN-25
3.8.4 Stop Bit .......................................................................................................................................EN-26
3.8.5 Handshake ..................................................................................................................................EN-26
3.8.6 Print Stable Data Only ...................................................................................................................EN-26
3.8.7 Auto Print .....................................................................................................................................EN-26
3.8.8 Content ........................................................................................................................................EN-26
3.8.9 End Print .....................................................................................................................................EN-26
3.9 Lock Menu ..............................................................................................................................................EN-27
3.9.1 Reset ...........................................................................................................................................EN-27
3.9.2 Lock Calibration ...........................................................................................................................EN-27
3.9.3 Lock Setup ...................................................................................................................................EN-27
3.9.4 Lock Readout ............................................................................................................................... EN-27
3.9.5 Lock Mode ...................................................................................................................................EN-27
3.9.6 Lock Unit .....................................................................................................................................EN-27
3.9.7 Lock Print ...................................................................................................................................EN-28
3.9.8 End Lock .....................................................................................................................................EN-28
TABLE OF CONTENTS (Cont.)
3.10 End Menu ..............................................................................................................................................EN-28
3.11 Security Switch .......................................................................................................................................EN-28
4. OPERATION ............................................................................................................................................. EN-28
4.1 Turning Indicator On/Off ............................................................................................................................EN-28
4.2 Zero Operation .........................................................................................................................................EN-28
4.3 Manual Tare ............................................................................................................................................EN-28
4.4 Changing Units of Measure .......................................................................................................................EN-29
4.5 Printing Data ........................................................................................................................................... EN-29
4.6 Application Modes ...................................................................................................................................EN-29
4.6.1 Weighing .....................................................................................................................................EN-29
4.6.2 Parts Counting .............................................................................................................................EN-29
4.6.3 Display-Hold ................................................................................................................................ EN-31
4.6.4 Check Weighing ...........................................................................................................................EN-31
4.6.5 Totalize .......................................................................................................................................EN-33
5. SERIAL COMMUNICATION ..........................................................................................................................EN-34
5.1 Interface Commands ................................................................................................................................EN-34
5.2 Output Format ......................................................................................................................................... EN-35
EN-33000 Series Indicators
6. LEGAL FOR TRADE ................................................................................................................................... EN-36
6.1 Settings .................................................................................................................................................. EN-36
6.2 Verification .............................................................................................................................................. EN-36
6.3 Sealing ................................................................................................................................................... EN-36
6.3.1 Physical Seals ..............................................................................................................................EN-36
6.3.2 Audit Trail Seal .............................................................................................................................EN-37
7. MAINTENANCE .........................................................................................................................................EN-38
7.1 Model T32M Cleaning ..............................................................................................................................EN-38
7.2 Troubleshooting .......................................................................................................................................EN-38
7.4 Service Information .................................................................................................................................. EN-38
8. TECHNICAL DATA .....................................................................................................................................EN-40
8.1 Specifications .......................................................................................................................................... EN-40
8.2 Accessories and Options ...........................................................................................................................EN-41
8.3 Drawings and Dimensions ........................................................................................................................EN-41
8.4 Compliance .............................................................................................................................................EN-42
EN-4 3000 Series Indicators
1. INTRODUCTION
This manual contains installation, operation and maintenance instructions for the T32M Indicators. Please read this manual
completely before installation and operation.
1.1 Safety Precautions
For safe and dependable operation of this equipment, please comply with the following safety precautions:
• Verify that the input voltage range printed on the data label matches the local AC power to be used.
• Make sure that the power cord does not pose a potential obstacle or tripping hazard.
• Use only approved accessories and peripherals.
• Operate the equipment only under ambient conditions specified in these instructions.
• Disconnect the equipment from the power supply before cleaning.
• Do not operate the equipment in hazardous or unstable environments.
• Do not immerse the equipment in water or other liquids.
• Service should only be performed by authorized personnel.
1.2 Overview of Parts and Controls
EN-53000 Series Indicators
1
2
3
4
5
6
TABLE 1-1. T32MC/T32ME PARTS.
Item Description
1 Data Label
2 Front Housing
3 Adjusting Knob (2)
4 Control Panel
5 Mounting Bracket
6 Screw (4)
7 Rear Housing
8 Data Label
9 Power receptacle
10 Strain Relief for Load Cell
Cable
11 RS232 Connector
7
8
9
Figure 1-1. T32MC/T32ME Indicator.
10 11
EN-6 3000 Series Indicators
1.2 Overview of Parts and Controls (Cont.)
J2
J1
SW5
LFTON LFTOFF
J3
W2
J7
W1
Figure 1-2. Main PC Board.
TABLE 1-2. MAIN PC BOARD.
Item Description
1 Line Power Input J1
2 LFT On / Off Switch
3 RS232 Connector J3
4 Sense Jumper W2
5 Load Cell Terminal Block J7
6 Sense Jumper W1
1.2 Overview of Parts and Controls (Cont.)
EN-73000 Series Indicators
Figure 1-3. Controls and Indicators T32MC
TABLE 1-3. CONTROL PANEL.
No. Designation
1 Capacity Label Window
2 Pound indicator
3 Ounce indicator
4 Kilogram, gram indicator
5 TARE
6 CALIBRATION MODE indicator
7 FUNCTION
8 NET indicator
9 PCS indicator
10 PRINT
11 Accumulation indicator
12 Hold indicator
13 ON/ZERO
14 Center of Zero indicator
15 Under LED
16 Accept LED
17 Over LED
18 Stable weight indicator
Menu
Units
Off
button
Mode
button
button
button
EN-8 3000 Series Indicators
1.2 Overview of Parts and Controls (Cont.)
Figure 1-4. Controls and Indicators T32ME.
TABLE 1-4. CONTROL PANEL.
No. Designation
1 Capacity Label Window
2 Gram indicator
3 Kilogram indicator
4 Pound indicator
5 Ounce indicator
6 TARE Menu button
7 CALIBRATION MODE indicator
8 NET indicator
9 FUNCTION
10 PCS indicator
11 Accumulation indicator
12 Hold indicator
13 PRINT
14 Stable weight indicator
15 ON/ZERO
16 Center of Zero indicator
17 Under LED
18 Accept LED
19 Over LED
Units
Off
Mode
button
button
button
1.3 Control Functions
Button
EN-93000 Series Indicators
TABLE 1-5. CONTROL FUNCTIONS.
Primary Function
(Short Press)
Secondary Function
(Long Press)
Menu Function
(Short Press)
ON/ZERO
If Indicator is On, sets
zero.
Off
Turns the Indicator on
or off.
Yes
Accepts the current
setting on the display.
PRINT
Sends the current value
to the COM port if
AUTOPRINT is set to Off.
Units
Changes the weighing
Unit.
No
Advances to the next
menu or menu item.
Rejects the current
setting on the display
and advances to the
next available setting.
Increments the value.
FUNCTION
Initiates an application
mode.
Mode
Allows changing the
application mode.
Press and hold allows
scrolling through modes.
Back
Moves Back to previous
menu item.
Decrements the value.
TARE
Performs a tare
operation.
Menu
Enter the User menu.
View the Audit Trail event
counters (extended
press)
Exit
Exits the User menu.
Aborts the calibration in
progress.
EN-10 3000 Series Indicators
2. INSTALLATION
2.1 Unpacking
Unpack the following items:
• Indicator
• AC Adapter
• Mounting Bracket
• Knobs (2)
• Capacity Label Sheet
• Instruction Manual CD
• Warranty Card
• LFT sealing Kit
2.2 External Connections
2.2.1 RS232 interface Cable to the indicator
Connect the optional RS232 cable to the RS232 connector Figure 1-1, item 11).
Pin Connection
1 N/C
2 TXD
3 RXD
4 N/C
5 GND
6 N/C
7 N/C
8 N/C
9 N/C
4
5
9
Figure 2-1. RS232 Pins.
2
3
1
78
6
2.2.2 AC Power
Connect the AC Adapter to the power receptacle (Figure 1-1, item 9), then plug the AC Adapter into an electrical outlet.
2.2.3 Mounting Bracket to the Indicator
Align the mounting bracket over the threaded holes in the side of the indicator and install the knobs. Adjust the indicator to the
desired angle and tighten the knobs.
EN-113000 Series Indicators
2.3 Internal Connections
Some connections require the housing to be opened.
2.3.1 Opening the Housing
CAUTION: ELECTRICAL SHOCK HAZARD. REMOVE ALL POWER CONNECTIONS TO THE INDICATOR
BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS. THE HOUSING SHOULD ONLY BE OPENED
BY AUTHORIZED AND QUALIFIED PERSONNEL, SUCH AS AN ELECTRICAL TECHNICIAN.
Remove the four Phillips head screws from the rear housing.
Open the housing being careful not to disturb the internal connections.
Once all connections are made, reattach the front housing.
2.3.2 Scale Base to the indicator
Pass the load cell cable through the strain relief (Figure 1-1, item 10) and attach it to terminal block J7 (Figure 1-2, item 5).
Pin Connection
J7-1 +EXCITATION
J7-2 +SENSE
J7-3 +SIGNAL
J7-4 GROUND
J7-5 -SIGNAL
J7-6 -SENSE
J7-7 -EXCITATION
Jumper Connections
For a 4-wire load cell with no sense wires: Jumpers W1 and W2 must be shorted.
For a 6-wire load cell that includes sense wires, see Figure 2-2. Jumpers W1 and W2 must be opened.
For load cells with an extra ground shield wire: Connect the shield to the center position (GND) of J7.
Figure 2-2. Jumper Connections.
After wiring is completed and jumpers are in place, replace the indicator housing screws. Make sure the strain relief is properly
tightened.
EN-12 3000 Series Indicators
2.4 Mounting Bracket
Attach the bracket to a wall or table using fasteners (not supplied) that are appropriate for the type of mounting surface. The
bracket will accommodate up to 6 mm (1/4”) diameter screws. Locate the mounting holes as shown in Figure 2-3.
12.5mm
0.49 in.
Figure 2-3. Mounting Bracket Dimensions.
3 SETTINGS
3.1 Menu Structure
EN-133000 Series Indicators
TABLE 3-1. MENU STRUCTURE.
Loading...