OHAUS T71P User manual

7000 Series Indicators
Instruction Manual
T71P T71XW

7000 Series Indicators EN-1
TABLE OF CONTENTS
1. INTRODUCTION................................................................................................................... ......................................5
1.1 Safety Precautions ............................................................................................................. ..............................5
1.1.1 Relay Option Safety Precautions ................................................................................................ ..........5
1.2 Overview of Parts and Controls................................................................................................. .........................6
1.3 Control Functions.............................................................................................................. .............................10
2. INSTALLATION ................................................................................................................... .....................................11
2.1 Unpacking ...................................................................................................................... ..............................11
2.2 External Connections........................................................................................................... ...........................11
2.2.1 Scale Base with Connector to T71P.............................................................................................. ......11
2.2.2 Scale Base with Connector to T71XW............................................................................................. ....11
2.2.3 RS232 Interface Cable to T71P.................................................................................................. ........11
2.2.4 AC Power to T71P............................................................................................................... .............11
2.2.5 AC Power to T71XW.............................................................................................................. ...........11
2.2.6 Battery Power to T71P.......................................................................................................... ............11
2.2.7 Mounting Bracket Attachment .................................................................................................... ........12
2.3 Internal Connections ........................................................................................................... ...........................12
2.3.1 Opening the Housing............................................................................................................ ............12
2.3.2 Scale Base without Connectorto T71P or T71XW................................................................................12
2.3.3 RS232 Interface Cable to T71XW................................................................................................. ......13
2.3.4 Footswitch to T71P or T71XW.................................................................................................... .......13
2.3.5 T71P Housing Orientation....................................................................................................... ..........13
2.3.6 Mounting Bracket............................................................................................................... ..............13
3. SETTINGS....................................................................................................................... ........................................14
3.1 Menu Structure ................................................................................................................. .............................14
3.2 Menu Navigation ................................................................................................................ ...........................16
3.3 Calibration Menu ............................................................................................................... ............................17
3.3.1 Zero Calibration ............................................................................................................... ................17
3.3.2 Span Calibration ............................................................................................................... ...............17
3.3.3 3 Point LinearityCalibration .................................................................................................. ............18
3.3.4 5 Point LinearityCalibration .................................................................................................. ............18
3.3.5 Calibration Test............................................................................................................... .................19
3.3.6 Geographical Adjustment Factor ................................................................................................. .......20
3.3.7 End Calibration................................................................................................................ ................20
3.4 Setup Menu..................................................................................................................... ..............................20
3.4.1 Reset.......................................................................................................................... ....................20
3.4.2 Dual Scale ..................................................................................................................... .................20
3.4.3 Range1......................................................................................................................... ..................20
3.4.4 Range2......................................................................................................................... ..................21
3.4.5 Capacity1 ...................................................................................................................... .................21
3.4.6 Capacity2 ...................................................................................................................... .................21
3.4.7 Graduation1.................................................................................................................... ................21
3.4.8 Graduation2.................................................................................................................... ................22
3.4.9 Power Unit ..................................................................................................................... .................22
3.4.10 Zero Range..................................................................................................................... .................22
3.4.11 Auto Tare ...................................................................................................................... ..................22
3.4.12 Accumulate ..................................................................................................................... ................23
3.4.13 Retain Zero.................................................................................................................... ..................23
3.4.14 Legal For Trade................................................................................................................ ................23
3.4.15 Beep Volume.................................................................................................................... ...............23
3.4.16 Beep Signal.................................................................................................................... .................23
3.4.17 Key Beep ....................................................................................................................... .................24
3.4.18 Library........................................................................................................................ ....................24
3.4.19 Alibi.......................................................................................................................... ......................24
3.4.20 End Setup ...................................................................................................................... .................24
3.5 Readout Menu................................................................................................................... ............................24
3.5.1 Reset.......................................................................................................................... ....................24
3.5.2 Language....................................................................................................................... .................24
3.5.3 Stable Range................................................................................................................... ................25

EN-2 7000 Series Ind icators
3.5.4 Filter......................................................................................................................... ......................25
3.5.5 Auto Zero Tracking ............................................................................................................. ..............25
3.5.6 Backlight...................................................................................................................... ...................25
3.5.7 Auto Off Timer................................................................................................................. .................26
3.5.8 Gross Indicator ................................................................................................................ ................26
3.5.9 End Readout.................................................................................................................... ................26
3.6 Mode Menu...................................................................................................................... .............................26
3.6.1 Reset.......................................................................................................................... ....................26
3.6.2 Weighing Mode .................................................................................................................. .............26
3.6.3 Parts Counting Mode............................................................................................................ ............26
3.6.4 Parts Counting Optimization.................................................................................................... ..........27
3.6.5 Percent Weighing Mode.......................................................................................................... ..........27
3.6.6 Dynamic Weighing Mode.......................................................................................................... ........27
3.6.7 Check WeighingMode............................................................................................................ ..........27
3.6.8 End Mode ....................................................................................................................... ................27
3.7 Unit Menu...................................................................................................................... ...............................28
3.7.1 Reset.......................................................................................................................... ....................28
3.7.2 Kilogram Unit .................................................................................................................. ................28
3.7.3 Pound Unit..................................................................................................................... .................28
3.7.4 Gram Unit ...................................................................................................................... .................28
3.7.5 Ounce Unit ..................................................................................................................... .................28
3.7.6 Pound Ounce Unit............................................................................................................... .............28
3.7.7 Tonne Unit..................................................................................................................... ..................29
3.7.8 Custom Unit .................................................................................................................... ................29
3.7.9 End Unit....................................................................................................................... ...................29
3.8 GMP Menu....................................................................................................................... .............................30
3.8.1 Reset.......................................................................................................................... ....................30
3.8.2 Date ........................................................................................................................... ....................30
3.8.3 Time........................................................................................................................... ....................30
3.8.4 User ID........................................................................................................................ ....................31
3.8.5 Project ID..................................................................................................................... ...................31
3.8.6 Scale ID....................................................................................................................... ...................31
3.8.7 End GMP ........................................................................................................................ ................31
3.9 Print1, Print2 Menus........................................................................................................... ...........................31
3.9.1 Reset.......................................................................................................................... ....................31
3.9.2 Print Stable Data Only......................................................................................................... ..............31
3.9.3 Auto Print..................................................................................................................... ...................32
3.9.4 Print Content Sub-menu......................................................................................................... ...........32
3.9.5 Layout Sub-menu................................................................................................................ .............35
3.9.6 List........................................................................................................................... ......................36
3.9.7 End Print1, End Print2......................................................................................................... .............36
3.10 COM1, COM2Menus............................................................................................................... ......................36
3.10.1 Reset.......................................................................................................................... ....................36
3.10.2 Baud ........................................................................................................................... ...................36
3.10.3 Parity......................................................................................................................... .....................36
3.10.4 Stop Bit....................................................................................................................... ....................37
3.10.5 Handshake...................................................................................................................... ................37
3.10.6 Address........................................................................................................................ ...................37
3.10.7 Alternate Command Sub-menu..................................................................................................... .....37
3.10.8 End COM1, End COM2............................................................................................................. ........38
3.11 I-O Menu ....................................................................................................................... ...............................38
3.11.1 Reset.......................................................................................................................... ....................38
3.11.2 External Input ................................................................................................................. .................38
3.11.3 Input Beep..................................................................................................................... ..................38
3.11.4 Relay Output Sub-menu.......................................................................................................... ..........39
3.11.5 End I-O........................................................................................................................ ...................39
3.12 Menu Lock Menu................................................................................................................. ..........................40
3.12.1 Reset.......................................................................................................................... ....................40
3.12.2 Lock Calibration............................................................................................................... ................40
3.12.3 Lock Setup ..................................................................................................................... .................40
3.12.4 Lock Readout ................................................................................................................... ...............40

7000 Series Indicators EN-3
3.12.5 Lock Mode ...................................................................................................................... ................40
3.12.6 Lock Unit...................................................................................................................... ...................40
3.12.7 Lock Print1.................................................................................................................... ..................41
3.12.8 Lock Print2.................................................................................................................... ..................41
3.12.9 Lock COM1 ...................................................................................................................... ...............41
3.12.10 Lock COM2 ...................................................................................................................... ...............41
3.12.11 Lock GMP ....................................................................................................................... ................41
3.12.12 Lock I-O....................................................................................................................... ...................41
3.12.13 End Menu Lock.................................................................................................................. ..............41
3.13 Key Lock Menu.................................................................................................................. ............................42
3.13.1 Reset.......................................................................................................................... ....................42
3.13.2 Lock All Buttons............................................................................................................... ................42
3.13.3 Lock Off Button ................................................................................................................ ................42
3.13.4 Lock Zero Button............................................................................................................... ...............42
3.13.5 Lock Print Button.............................................................................................................. ................42
3.13.6 Lock Unit Button............................................................................................................... ................42
3.13.7 Lock Function Button........................................................................................................... .............43
3.13.8 Lock Mode Button............................................................................................................... .............43
3.13.9 Lock Tare Button............................................................................................................... ...............43
3.13.10 Lock Menu Button............................................................................................................... .............43
3.13.11 Lock Library Button ............................................................................................................ ..............43
3.13.12 Lock Info Button............................................................................................................... ................43
3.13.13 End Lock....................................................................................................................... ..................43
3.14 End Menu....................................................................................................................... ..............................44
3.15 Securing the Menu and Key Lock menu settings................................................................................... .............44
4. OPERATION...................................................................................................................... ......................................45
4.1 Turning Indicator On/Off....................................................................................................... ...........................45
4.2 Zero Operation................................................................................................................. ..............................45
4.3 Manual Tare.................................................................................................................... ..............................45
4.4 Preset Tare.................................................................................................................... ................................45
4.5 Auto Tare...................................................................................................................... ................................45
4.6 Changing Units of Measure...................................................................................................... .......................45
4.7 Printing Data.................................................................................................................. ...............................46
4.8 Dual Scale Operation ........................................................................................................... ..........................46
4.9 Application Modes .............................................................................................................. ...........................46
4.9.1 Weighing ....................................................................................................................... .................46
4.9.2 Parts Counting................................................................................................................. ................46
4.9.3 Percent Weighing............................................................................................................... ..............48
4.9.4 Dynamic Weighing............................................................................................................... ............48
4.9.5 Check Weighing................................................................................................................. ..............49
4.10 Library........................................................................................................................ ..................................50
4.10.1 Storing Library Data........................................................................................................... ...............50
4.10.2 Retrieving Data ................................................................................................................ ................53
4.10.3 Editing Stored Data............................................................................................................ ...............53
4.11 Accumulation and Statistics.................................................................................................... ........................54
4.11.1 Accumulating Displayed Values.................................................................................................. .......54
4.11.2 Viewing Statistics Data........................................................................................................ ..............54
4.11.3 Clearing Statistics Data....................................................................................................... ..............54
4.12 Alibi Memory................................................................................................................... ..............................55
4.12.1 Viewing Alibi Data............................................................................................................. ...............55
5. SERIAL COMMUNICATION........................................................................................................... ..............................56
5.1 Interface Commands............................................................................................................. .........................56
5.2 Output Format .................................................................................................................. .............................56
5.3 Printout Examples.............................................................................................................. ............................57
6. LEGAL FOR TRADE ................................................................................................................ ..................................59
6.1 Settings ....................................................................................................................... .................................59
6.2 Verification................................................................................................................... .................................59
6.3 Sealing........................................................................................................................ .................................59
6.3.1 Physical Seals................................................................................................................. ................59
6.3.2 Audit Trail Seal............................................................................................................... ..................60

EN-4 7000 Series Ind icators
7. MAINTENANCE.................................................................................................................... ....................................62
7.1 Cleaning....................................................................................................................... ................................62
7.2 Troubleshooting................................................................................................................ .............................62
7.3 Service Information ............................................................................................................ ............................63
8. TECHNICAL DATA................................................................................................................. ...................................64
8.1 Specifications................................................................................................................. ...............................64
8.2 Accessories and Options ........................................................................................................ ........................65
8.3 Drawings and Dimensions........................................................................................................ ......................66
8.4 Compliance..................................................................................................................... ..............................67

7000 Series Indicators EN-5
1. INTRODUCTION
1.1 Safety Precautions
CAUTION: READ ALL SAFETY WARNINGS BEFORE INSTALLING, MAKING CONNECTIONS, OR
SERVICING THIS EQUIPMENT. FAILURE TO COMPLY WITH THESE WARNINGS COULD RESULT IN
PERSONAL INJURY AND/OR PROPERTY DAMAGE. RETAIN ALL INSTRUCTIONS FOR FUTURE
REFERENCE.
€ Verify that the input voltage rangeprinted on the data label matches the local AC power to be used.
€ Make sure that the powercord does not pose a potential obstacle or tipping 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 when 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.
€ The T71XW is supplied with a grounded power cable. Use only with a compatible grounded power outlet.
1.1.1 Relay Option Safety Precautions
This equipment may have an optional AC orDC Relay Option boardinstalled. This option allowsexternal devices to be controlled
by the equipment.
WARNING: ELECTRICAL SHOCK HAZARDS EXIST WITHIN THE HOUSING. THE HOUSING SHOULD
ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL. REMOVE ALL POWER
CONNECTIONS TO THE UNIT BEFORE OPENING. IF THE UNIT CONTAINS AN OPTIONAL RELAY
CONTROL BOARD, ADDITIONAL AC OR DC POWER CONNECTIONS MAY STILL EXIST WITHIN THE
HOUSING.
Before making connections tothe Relay terminals, remove power from the system. If the system contains an optional
rechargeable battery system, be sure that theON/ZERO Offbutton is used to fully turn off the system after removing the AC power
plug.
More detailed installation instructions are included with the Relay Option Kit.

EN-6 7000 Series Ind icators
1.2 Overview of Parts and Controls
Item Description
1 Data label (on side)
2 Front housing
3 Control Panel
4 Adjustingknob(2)
5 Mounting bracket
6 Security screw
7 Rear housing
8 Data label
9 Battery cover
10 Screw (4)
11 RS232 connector
12 Cable gland for Scale 2
load cell cable or option
cable
13 Load cell connector for
Scale 1
14 Cable gland for Scale 1
load cell cable
15 Hole plug for option
16 Power receptacle
1
16 15 14 13 12 11
2
3
4
5
6
7
8
9
10
Figure 1-1. T71P Indicator

7000 Series Indicators EN-7
Item Description
1 Data label (on top)
2 Front housing
3 Control Panel
4 Adjustingknob(2)
5 Mounting bracket
6 Bolt (4)
7 Rear housing
8 Data label
9 Location for security
screw
10 Power cord
11 Cable gland for Scale 1
load cell cable
12 Cable gland for Scale 2
load cell cable
13 Cable gland for RS232
option, RS485/RS422
option or External Input
cable
14 Cable gland for RS232
cable
15 Cable gland for Relay
option cable
1
15 14 13 12 11 10
2
3
4
5
6
7
8
9
Figure 1-2. T71XW Indicator

EN-8 7000 Series Ind icators
1 2 3 4 5 6 7 8 9 10 11 12
17
16
13
15 14
Item Description Item Description
1 RS232 connector (T71P only) 10 Scale 1 sense jumper W1
2 RS232 terminal block J5 (T71XW only) 11 Security switch SW1
3 External input terminal block J9 12 Rechargeable battery opton connection J3
(T71P opposite side)
4 Scale 2 sense jumper W4 13 Real time clock battery
5 Scale 2 load cell terminal block J7 14 DC power connection
6 Scale 2 sense jumper W3 15 Alibi optionconnection
7 Scale 1 sense jumper W2 16 Option connection
8 Scale 1 load cell connector J14 (T71Ponly) 17 Battery connection (T71P only)
9 Scale 1 load cell terminal block J4
Figure 1-3. Main PC Board