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Contents

Overview

General Information

Service Concept

Information

Overview of the Models

Auxiliary Service Tools and Equipment

Accompanying Literature

Description of the Equipment

Indicators

Function of the Switches

Menu Access Switch

Repairing the Midrics Indicator

Repairing the Indicator

Replacing the Front Panel

Blank Display

Replacing the Power Cable

Replacing the Power PCB

Points of Measurement

Replacing the Main PCB

Quick-test of the A/D Converter

Pin Assignment Chart

Replacing the Main PCB

Terminal Assignments in Midrics Indicators

Interface Description

RS-232 Interface

RS-485 Interface

RS-485 Analog Interface

Digital I/O Interface

COM1 Interface With and Without Clock Chip

Adjusting the Weighing Platform

Adjusting the Weighing Platform

Junction Box 1

Pin Assignments in the Junction Box 1

Junction Box 2

Cable from the Load Cell
to the Junction Box 2 (Terminals)

Cable from the Load Cell
to the Junction Box (Terminals)

Adjusting the Off-center Load

Setting the Overload Stops

1. Weighing Platforms with One Load Cell: Steel

2. Weighing Platforms with Four Load Cells: Steel 27
3. Weighing Platforms with One Load Cell:
Stainless Steel

4. Weighing Platforms with Four Load Cells:
Stainless Steel

Содержание MIS1

Страница 1: ...vice Manual Sartorius Midrics Series Models MW1P MW2P MW1S MW2S for Complete Midrics Scales Models MIS1 MIS2 for Midrics Indicators and Models MAPP1 MAPS1 MAPP4 MAPS4 for Midrics Weighing Platforms in...

Страница 2: ...15 Terminal Assignments in Midrics Indicators 16 Interface Description 17 RS 232 Interface 17 RS 485 Interface 17 RS 485 Analog Interface 17 Digital I O Interface 18 COM1 Interface With and Without C...

Страница 3: ...fications MW NCE MAP NCE 37 Adjusting the Weighing Platform Load Cell Connection Color Assignments 38 Determining the Resistance for Adjustment of the Off center Load 39 Determining Resistance Values...

Страница 4: ...nnect or disconnect cables to or from the equipment always disconnect the power cable from the wall socket mains supply first Information To ensure safety an isolating transformer must be installed be...

Страница 5: ...erable experience and for this reason should be performed only by Sartorius technicians trained at the factory Any attempt to perform repair work can result in damage to the equipment Auxiliary Servic...

Страница 6: ...pen ended wrenches spanners up to 24 mm stainless steel 1 Threaded rod M 16x120 for lifting the weighing platform available from specialist supplier 1 Set of screwdrivers slotted 1 Set of screwdrivers...

Страница 7: ...capacities from 3 kg to 3000 kg in stainless steel or steel and indicators The Midrics 1 2 indicators consist of Front panel with keypad and digital display Midrics 2 has additional keys Midrics indi...

Страница 8: ...the menu access switch is closed the error message ACCESS SWITCH LOCKED is displayed in the service program and the indicator shows L underload or H overload In this case the A D converter cannot be...

Страница 9: ...en the Midrics indicator remove the four nuts as shown in the illustration on the left Note After completing maintenance or repair work check the seal between the front panel and the housing body for...

Страница 10: ...ifference between the two is the range of operating keys If the indicator housing seal is defective it must be replaced When installing a new seal make sure it rests entirely within the housing and is...

Страница 11: ...easuring the supply voltage in each case The voltage at the power supply output connector A see page 12 is 15V 0 3 V direct current The output voltages of the DC DC converter are listed on page 13 Rep...

Страница 12: ...openings on the protective cap and carefully push the retainer clips located further down to one side Remove the protective cap and disconnect the two wires blue brown Unplug connector A remove the 2...

Страница 13: ...caution to avoid short circuiting the equipment The various supply voltages delivered by the DC DC converter can be measured at the following points M 1 15 V 5 Input voltage for the DC DC converter M...

Страница 14: ...ed In many cases this precludes the need to adjust the weighing system Quick test of the A D Converter Pin Assignment Chart No Signal designation Meaning Voltage 1 BR_POS Bridge supply voltage 4 5V 0...

Страница 15: ...e indicator Press and hold the k key while switching the indicator on again All segments are displayed In case of defect replace the main PCB After replacing the main PCB use the PpLoadWH8 exe PpLoadW...

Страница 16: ...5V_OUT RXD RXD V_out OUT4_LOW 4 GND GND TXD RXD V_in OUT4_HIGH 5 CTS CTS GND GND elec isol GND elec isol OUT3_LOW 6 DTR DTR Universal In GND elec isol GND elec isol OUT3_HIGH 7 RXD RXD MINOR OUT2_LOW...

Страница 17: ...xD pull down 680 SW1 4 RS 422 mode open RS 485 mode SW2 1 Terminating resistor receiving side 120 SW2 2 Bias resistor receiving side RxD pull up 680 SW2 3 Bias resistor receiving side RXD pull down 68...

Страница 18: ...required for loading software To enable loading of software a solder bridge must be closed on the back of the COM1 interface see illustration on the right Note Before commissioning the COM ports the...

Страница 19: ...tform Version with the junction box 5 Part no 57004 428 01 The illustration on the left shows GF frame 650x500 1 Load cell 1 2 Load cell 2 3 Load cell 3 4 Load cell 4 5 Junction box 3 2 4 5 1 or AUT23...

Страница 20: ...ble to load cell 1 2 1 Cable to load cell 2 3 1 Cable to load cell 3 4 1 Cable to load cell 4 5 1 Connecting cable for A D converter indicator Adjusting the Weighing Platform Aut15158 jpg 5 1 4 1 3 1...

Страница 21: ...e Sense SENSE_NEG Sense Sense OUT_POS Measuring voltage positive Signal OUT_NEG Measuring voltage negative Signal The shield is connected to the housing by means of the cable gland see page 29 To conn...

Страница 22: ...ion box open 1 1 Cable to load cell 1 2 1 Cable to load cell 2 3 1 Cable to load cell 3 4 1 Cable to load cell 4 5 1 Connecting cable for A D converter indicator Contacts to connect the cable 5 1 1 1...

Страница 23: ...nse Sense OUT_POS Measuring voltage positive Signal OUT_NEG Measuring voltage negative Signal OUT_POS Measuring voltage positive Signal To connect the cable the wires must be connected to the inner te...

Страница 24: ...idge supply voltage Supply Gn green SENSE_POS Sense Sense Gr gray SENSE_NEG Sense Sense Rd red OUT_NEG Measuring voltage negative Signal Wh white OUT_POS Measuring voltage positive Signal The terminal...

Страница 25: ...0 cm of the load cell cables out of the platform see arrow Return the weighing platform to the horizontal and position it next to the junction box The junction box is now accessible for adjustment of...

Страница 26: ...lder bridges and the sequence of the load cells Note The off center load is adjusted only in weighing platforms that have 4 load cells Mechanical asymmetries can result in off center loading errors th...

Страница 27: ...0 10 60 60 10 150 150 10 300 300 10 2 Weighing Platforms with Four Load Cells Steel Platform nominal Test weight for Test weight for Nominal load cell capacity in kg middle stops capacity in corner me...

Страница 28: ...60 10 150 150 10 4 Weighing Platforms with Four Load Cells Stainless Steel Platform nominal Test weight for Test weight for Nominal load cell capacity in kg middle stops capacity in corner measuremen...

Страница 29: ...rter Unscrew the cable gland the cable or load cell can now be replaced Remove the isolation and connect the new cable Expose approx 6 cm 2 4 in of the wires 3 in the cable Remove the isolation from a...

Страница 30: ...s basically uncomplicated no detailed description of the disassembly procedure is included here Important To replace a load cell in a platform with four load cells use two eye bolts 6740 81 in two cor...

Страница 31: ...g C3 130Nm MP58T 1134kg C3 130Nm MP58T 2268kg C3 130Nm SAG type 011241 7 5 kg C3 10Nm SAG type 011242 15 kg C3 10Nm SAG type 011243 30 kg C3 10Nm SAG type 011244 50 kg C3 14Nm SAG type 011245 100 kg C...

Страница 32: ...he Seite 33 in mm No 1 2 3 4 5 6 320 x 240 blue green white red gray black 400 x 300 blue green white red gray black 500 x 400 blue green white red gray black 650 x 500 1 blue green white red gray bla...

Страница 33: ...e Sense black gray 7 Shield GND screen gr Shield Shield 1 Sartorius Hamburg MP58T green cable 2 Midrics 011 gray cable Connections in the Junction Box for the A D Converter Pin assignment Designation...

Страница 34: ...20 kg 0 02 kg M1 20 kg 60 kg 0 04 kg 20 kg 15 30 45 60 kg 0 02 kg 10 n MW MAP L 150 kg 0 01 kg 20 kg 0 03 kg 50 kg 0 05 kg M1 50 kg 150 kg 0 1 kg 50 kg 30 70 110 150 kg 0 05 kg 10 n MW MAP L 300 kg 0...

Страница 35: ...2 kg M1 2 kg 6 kg 0 004 kg 2 kg 1 5 3 4 6 kg 0 004 kg 10 n MW MAP LCE 15 kg 0 005 kg 5 kg 0 005 kg 5 kg 0 005 kg M1 5 kg 15 kg 0 01 kg 5 kg 3 7 11 15 kg 0 01 kg 10 n MW MAP LCE 30 kg 0 01 kg 10 kg 0 0...

Страница 36: ...n MW MAP NCE Weighing Capacity 1 Weighing Capacity 2 6 15 kg 0 002 0 005 kg 5 kg 0 005 kg 5 kg 0 005 kg M1 5 kg 6 15 kg 0 004 0 01 kg 5 2 kg 1 5 3 4 6 7 15 kg 0 004 0 01 kg 10 n MW MAP NCE Weighing Ca...

Страница 37: ...02 0 05 kg 20 kg 0 05 kg 50 kg 0 05 kg M1 50 kg 60 150 kg 0 04 0 1 kg 50 20 kg 15 30 45 60 70 150 kg 0 04 0 1 kg 10 n MW MAP NCE Weighing Capacity 1 Weighing Capacity 2 150 300 kg 0 05 0 1 kg 50 kg 0...

Страница 38: ...ur Kabelausf hrung Sartorius Hamburg red blue green gray white black z B MP58T rot blau gr n grau wei schwarz Combics 011 blue black white red green gray blau schwarz wei rot gr n grau TEDEA 1510 gree...

Страница 39: ...G G G G T R R R R R required resistance in ohms R R R R R 0 Initial resistance in the load cell being adjusted in ohms if not specified in the specification sheet measured between Signal OUT_POS posi...

Страница 40: ...R R R R R R 0 x G D R R R R R 1000 ohms x 2 3 kg R R R R R 4 6 ohms G T 500 kg In this example note that the test weight 500 kg is also distributed over the other load cells which means that the weig...

Страница 41: ...70 2 70 2 70 2 70 ohms ohms ohms ohms ohms 57004 439 01 3 00 3 00 3 00 3 00 3 00 ohms ohms ohms ohms ohms 57004 440 01 3 30 3 30 3 30 3 30 3 30 ohms ohms ohms ohms ohms 57004 441 01 3 90 3 90 3 90 3 9...

Страница 42: ...5 1 6 0 08 0 09 0 16 0 19 0 3 0 4 0 8 1 0 1 6 1 9 2 0 1 0 13 0 20 0 26 0 4 0 5 1 0 1 3 2 0 2 6 2 7 0 13 0 14 0 27 0 29 0 5 0 6 1 3 1 5 2 7 2 9 3 0 15 0 16 0 30 0 32 0 6 0 7 1 5 1 6 3 0 3 2 3 3 0 16 0...

Страница 43: ...50 Ohms Initial Resistance Adjusting the Weighing Platform 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 1 50 kg 100 kg 200 kg 500 kg 1000 kg 20 kg 20 kg 50 kg 100 kg 1 2 3 200...

Страница 44: ...5 5 6 0 0 5 1 1 5 2 2 5 3 3 5 4 1 50 kg 100 kg 1000 kg 500 kg 20 kg 20 kg 50 kg 100 kg 1 2 3 200 kg 4 500 kg 5 1000 kg 6 5 6 4 3 2 200 kg Adjustment resistor in ohms Off center in kg Test load kg Dia...

Страница 45: ...ve If Err 340 is still displayed contact your local Service Center Err 341 Flash lost data Turn the scale off and then on again If Err 340 is still displayed contact your local Service Center Err 343...

Страница 46: ...r weight on the scale light Inf 23 Error in initializing an application Contact your local Service Center Inf 29 Minimum load not reached Define a lower value for the minimum load in the Application s...

Страница 47: ...4 Function is blocked e g menu is locked None Inf 98 No weighing platform connected Connect weighing platform Inf 99 No weighing platform connected Connect weighing platform NO WP No weighing platform...

Страница 48: ...menu k k Click on the menu item Setup setup Select Device parameter Setup 1 WP 1 k Click on the menu item Code press key k until the Code appears in the display Code 1 If a password is requested at t...

Страница 49: ...2122 Use keys k p _ Saving the service password When the service mode is activated an S appears in the top right hand corner of the display Return to Code in the service mode Code Return to Setup in t...

Страница 50: ...eft hand side of the back of the indicator To do this move the switch to the left towards the interface connectors open position Activate the service mode see page 48 49 Select weighing platform and c...

Страница 51: ...ating Instructions for a detailed description of the procedure Once you have completed the configuration save the data using the menu item SAVE The A D converter can now be treated like any standard w...

Страница 52: ...prior written permission of Sartorius AG The status of the information specifications and illustrations in this manual is indicated by the date given below Sartorius AG reserves the right to make chan...

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