H&B DAD 141.1 User manual

Load Cell Digitizing Unit
Type DAD 141.1
Communication via RS 422/485 & Ethernet Port
TECHNICAL MANUAL
Firmware Version 141.181.v.1.10 or higher
Hardware Version 141.10x.v.1.01
Document No. E 223 Rev. 2.5 EN
Hauch & Bach ApS
Femstykket 6
DK-3540 Lynge
Denmark
www.haubac.com

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
Page 2 of 54
0. Table of Contents:
0. Table of Contents:.....................................................................................................................................2
1. Safety Instructions ....................................................................................................................................5
2. Declaration of Conformity.........................................................................................................................6
3. Introduction and Specifications...............................................................................................................7
4. Communications and Getting started .....................................................................................................8
4.1. Serial Interface .....................................................................................................................................8
4.2. Command Language............................................................................................................................8
4.3. Baud Rate.............................................................................................................................................8
4.4. Getting Started Via RS422/485............................................................................................................8
4.5. Getting Started Via Ethernet Interface .................................................................................................9
4.6. Modbus TCP or Modbus RTU..............................................................................................................9
5. Hardware and Wiring...............................................................................................................................10
5.1. Housing & Terminals..........................................................................................................................10
5.2. Terminals Load Cell Connection ........................................................................................................10
5.3. Load Cell Connection.........................................................................................................................10
5.4. Terminals Power Supply.....................................................................................................................11
5.5. Terminals Serial Port RS 422/485......................................................................................................11
5.6. Ethernet Port ......................................................................................................................................11
5.7. Seal Switch.........................................................................................................................................11
5.8. Logic Inputs & Outputs.......................................................................................................................12
5.9. Analog Outputs..................................................................................................................................12
6. Menu Structure Setup Keybord..............................................................................................................13
7. Setup Via Front Panel Keyboard............................................................................................................14
7.1. Keyboard Buttons...............................................................................................................................14
7.2. Use of Keyboard Buttons....................................................................................................................14
7.3. Menu 1 –System Zero.......................................................................................................................15
7.4. Menu 2 –System Span......................................................................................................................16
7.5. Menu 3 –Display................................................................................................................................16
7.6. Menu 4 –Filter & Motion Detection....................................................................................................17
7.7. Menu 5 –Analog Output.....................................................................................................................18
7.8. Menu 6 –Logic Inputs ........................................................................................................................19
7.9. Menu 7 –Logic Outputs .....................................................................................................................20
7.10. Menu 8 –Data Communication..........................................................................................................21
7.11. Factory Default via Front Panel..........................................................................................................22
7.12. Error Codes ........................................................................................................................................23
8. Examples..................................................................................................................................................24
8.1. Example 1 –Calibration procedure using weights.............................................................................24
8.2. Example 2 –Calibration procedure using load cell’s mV/V sensitivity...............................................26

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
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9. Commands –Overview...........................................................................................................................28
10. Commands Description ..........................................................................................................................30
10.1. System Diagnosis Commands –ID, IH, IV, IS, SR, RS.....................................................................30
10.1.1. ID Get Device Identity [ Index 0x202C ] ....................................................................................................30
10.1.2. IH Get Hardware Version..............................................................................................................................30
10.1.3. IV Get Firmware Version [ Index 0x202E ]................................................................................................30
10.1.4. IS Get Device Status [ Index 0x2030 ]......................................................................................................30
10.1.5. SR Reset DAD 141.1 Firmware .....................................................................................................................31
10.1.6. RS Read Serial Number [ Index 0x2034 ] ...................................................................................................31
10.2. Calibration Commands –CE, CM, CI, DS, DP, CZ, CG, ZT, FD, ZR, ZI, AZ, AG, CS, SU, RU........31
10.2.1. CE Read TAC* Counter / Open Calibration Sequence [ Index 0x2204 ].....................................................31
10.2.2. CM Set Maximum Output Value [ Index 0x220C ]......................................................................................31
10.2.3. CI Set Minimum Output Value [ Index 0x220E ]........................................................................................31
10.2.4. DS Set Display Step Size [ Index 0x2216 ] ...............................................................................................32
10.2.5. DP Set Decimal Point Position [ Index 0x2214 ].........................................................................................32
10.2.6. CZ Set Calibration Zero Point [ Index 0x2212 ]..........................................................................................32
10.2.7. CG Set Calibration Gain (Span) [ Index 0x2206 ].......................................................................................32
10.2.8. ZT Zero Tracking [ Index 0x2122 ] ...........................................................................................................33
10.2.9. FD Reset to Factory Default Settings [ Index 0x2066 ]................................................................................33
10.2.10. ZR Zero Range [ Index 0x2220 ].......................................................................................................33
10.2.11. ZI Initial Zero ON / OFF [ Index 0x221E ]............................................................................................33
10.2.12. AZ Absolute zero point calibration (eCal) [ Index 0x2202 ].....................................................................34
10.2.13. AG Absolute gain calibration (eCal) [ Index 0x2200 ]...........................................................................34
10.2.14. CS Save the Calibration Data [ Index 0x2066 ]...................................................................................34
10.2.15. SU Save User Setup in EEPROM...........................................................................................................34
10.2.16. RU Restore User Setup to DAD 141.1.....................................................................................................34
10.3. Motion Detection Commands –NR, NT.............................................................................................35
10.3.1. NR Set ‘No-motion’ Range [ Index 0x2112 ].............................................................................................35
10.3.2. NT Set ‘No-motion’ Time Period [ Index 0x2114 ] ......................................................................................35
10.4. Filter Setting Commands –FM, FL, UR .............................................................................................36
10.4.1. FM Filter Mode [ Index 0x2110 ]...........................................................................................................36
10.4.2. FL Filter Settings [ Index 0x2106 ].........................................................................................................36
10.4.3. UR Update Rate and Averaging [ Index 0x2120 ] ......................................................................................37
10.5. Taring and Zeroing Commands –SZ, RZ, ZN, ST, RT, TN, RW, TI..................................................38
10.5.1. SZ Set System Zero [ Index 0x2061 ].....................................................................................................38
10.5.2. RZ Reset Zero [ Index 0x2061 ] ............................................................................................................38
10.5.3. ZN Store Zero Value [ Index 0x2226 ]..................................................................................................38
10.5.4. ST Set Tare [ Index 0x2061 ].................................................................................................................38
10.5.5. RT Reset Tare [ Index 0x2061 ] ............................................................................................................38
10.5.6. TN Store Tare Value [ Index 0x2224 ]...................................................................................................39
10.5.7. TW Window for Automatic Taring [ Index 0x240A ]................................................................................39
10.5.8. TI Averaging Time for Automatic Taring [ Index 0x240C ]........................................................................39
10.6. Output Commands –GG, GN, ON, GT, GS, GW, GA, GH, GM, RM, GO, GV .................................40
10.6.1. GG Get Gross Value [ Index 0x2000 or 0x2020 ]....................................................................................40
10.6.2. GN Get Net Value [ Index 0x2002 or 0x2022 ]........................................................................................40
10.6.3. ON Get Net Value of device ’n’ ......................................................................................................................40
10.6.4. GT Get Tare Value [ Index 0x2118 ].........................................................................................................40
10.6.5. GS Get ADC Sample Value [ Index 0x202A ]...........................................................................................40
10.6.6. GW Get Data String “Net, Gross and Status“ [ Index 0x3300 or 0x3500 ]...............................................40
10.6.7. GA Get Triggered Average Value [ Index 0x2008 or 0x2028 ]................................................................41
10.6.8. GH Get Hold Value [ Index 0x2084 or 0x2086 ] ......................................................................................41
10.6.9. TH Trigger Hold Value [ Index 0x2061 ]...................................................................................................41
10.6.10. GM Get Peak Value [ Index 0x2080 or 0x2082 ]...............................................................................41
10.6.11. RM Reset Peak Value [ Index 0x2061 ]..............................................................................................41
10.6.12. GO Get Peak To Peak Value [ Index 0x208C or 0x208E ]..................................................................41
10.6.13. GV Get Valley Value [ Index 0x2088 or 0x208A ]..............................................................................41

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
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10.7. Auto-Transmit Commands –SG, SN, SW, SA, SH, SM, SO, SV......................................................42
10.7.1. SG Send Gross Value continuously...............................................................................................................42
10.7.2. SN Send Net Value continuously...................................................................................................................42
10.7.3. SW Send Data String “Net, Gross and Status“ continuously..........................................................................42
10.7.4. SA Send Triggered Average Value automatically ..........................................................................................42
10.7.5. SH Send Hold Value continuously..................................................................................................................42
10.7.6. SM Send Peak Value continuously ................................................................................................................42
10.7.7. SO Send Peak To Peak Value continuously..................................................................................................42
10.7.8. SV Send Valley Value continuously ...............................................................................................................42
10.8. Logic Input Functions & Status –AI’n’, IN .........................................................................................43
10.8.1. AI Assign input ‘n’ [ Index 0x2074 and 0x2076 ].........................................................................................43
10.8.2. IN Read status of the logic inputs [ Index 0x210C ]....................................................................................43
10.9. Logic Output Commands - IO, OM, S’n’, H’n’, P’n’, A’n’, HT............................................................44
10.9.1. IO Read / Modify the Status of the logic Outputs [ Index 0x210A ].............................................................44
10.9.2. OM Control of the logic outputs by the host application [ Index 0x2116 ].....................................................44
10.9.3. A’n’ Assign action for setpoint ‘n’ [ Index 0x2068 ] ......................................................................................45
10.9.4. S‘n’ Setpoint Value [ Index 0x206C ]..........................................................................................................45
10.9.5. H’n’ Setpoint Hysteresis and Switching Action [ Index 0x206A ] ..................................................................45
10.9.6. P’n’ Polarity of Setpoint [ Index 0x2070 ].....................................................................................................46
10.9.7. HT Hold time for all Setpoints [ Index 0x2408 ] ..............................................................................................46
10.10. Communication Setup Commands –AD, NA, BR, DX, OP, CL, TD..................................................47
10.10.1. AD Device Address.................................................................................................................................47
10.10.2. NA Network Address [ Index 0x300C ].................................................................................................47
10.10.3. BR Baud Rate .........................................................................................................................................47
10.10.4. DX Operation Mode Half-/Full-Duplex.....................................................................................................47
10.10.5. OP Open Device .....................................................................................................................................47
10.10.6. CL Close Devices...................................................................................................................................47
10.10.7. TD Transmission Delay..........................................................................................................................47
10.11. Analog Output –AA, AH, AL, AM.......................................................................................................48
10.11.1. AA Analog Output Base [ Index 0x2100 ]..............................................................................................48
10.11.2. AH Set Analog High Level [ Index 0x2102 ] ..........................................................................................48
10.11.3. AL Set Analog Low Level [ Index 0x2104 ]...........................................................................................48
10.11.4. AM Set Analog Output Mode [ Index 0x2128 ] .......................................................................................48
10.12. Save Calibration and Setup –CS, WP, SS, AS, GI, PI......................................................................49
10.12.1. CS Save the Calibration Data [ Index 0x2066 ]...................................................................................49
10.12.2. WP Save the Setup Parameters [ Index 0x2066 ].................................................................................49
10.12.3. SS Save Setpoint Parameters [ Index 0x2066 ] ...................................................................................49
10.12.4. AS Save Analogue Output Parameters [ Index 0x2066 ].......................................................................49
10.12.5. GI Get an Image File from the EEPROM ................................................................................................49
10.12.6. PI Download an Image File to the EEPROM...........................................................................................49
10.13. Trigger Commands –SD, MT, GA, TE, TR, TL, SA...........................................................................50
10.13.1. SD Start Delay Time [ Index 0x211A or 0x2412]...............................................................................50
10.13.2. MT Measuring Time [ Index 0x210E or 0x2410 ]..............................................................................50
10.13.3. GA Get Triggered Average Value [ Index 0x2008 or 0x2028 ].............................................................50
10.13.4. TE Trigger Edge [ Index 0x2402 or 0x211C ]...................................................................................50
10.13.5. TR Software Trigger [ Index 0x2062 ]...............................................................................................50
10.13.6. TL Trigger Level [ Index 0x211E or 0x2400 ]....................................................................................51
10.13.7. SA Send Triggered Average Value automatically...................................................................................51
11. Use in “Approved” Applications ............................................................................................................52
12. Calibration and Calibration Sequence...................................................................................................53
13. Updates –Firmware Download ..............................................................................................................54

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
Page 5 of 54
RIGHTS AND LIABILITIES
All rights reserved.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any
means, mechanical, photocopying, recording, or otherwise, without the prior written permission of Hauch &
Bach ApS.
No patent liability is assumed with respect to the use of the information contained herein. While every
precaution has been taken in the preparation of this book, Hauch & Bach assumes no responsibility for errors
or omissions. Neither is any liability assumed for damages resulting from the use of the information contained
herein.
The information herein is believed to be both accurate and reliable. Hauch & Bach, however, would be obliged
to be informed if any errors occur. Hauch & Bach cannot accept any liability for direct or indirect damages
resulting from the use of this manual.
Hauch & Bach reserves the right to revise this manual and alter its content without notification at any time.
Neither Hauch & Bach nor its affiliates shall be liable to the purchaser of this product or third parties for
damages, losses, costs, or expenses incurred by purchaser or third parties as a result of: accident, misuse, or
abuse of this product or unauthorized modifications, repairs, or alterations to this product, or failure to strictly
comply with Hauch & Bach operating and maintenance instructions.
Hauch & Bach shall not be liable against any damages or problems arising from the use of any options or any
consumable products other than those designated as Original Hauch & Bach Products.
NOTICE: The contents of this manual are subject to change without notice.
Copyright © 2012-2013 by Hauch & Bach ApS, DK-3540 Lynge, Femstykket 6, Denmark
1. Safety Instructions
CAUTION READ this manual BEFORE operating or servicing this equipment. FOLLOW these
instructions carefully. SAVE this manual for future reference. DO NOT allow untrained personnel to
operate, clean, inspect, maintain, service, or tamper with this equipment. ALWAYS DISCONNECT
this equipment from the power source before cleaning or performing maintenance. CALL Hauch &
Bach ApS for parts, information, and service.
WARNING ONLY PERMIT QUALIFIED PERSONNEL TO SERVICE THIS EQUIPMENT.
EXERCISE CARE WHEN MAKING CHECKS, TESTS AND ADJUSTMENTS THAT MUST BE
MADE WITH POWER ON. FAILING TO OBSERVE THESE PRECAUTIONS CAN RESULT IN
BODILY HARM.
WARNING FOR CONTINUED PROTECTION AGAINST SHOCK HAZARD CONNECT TO
PROPERLY GROUNDED OUTLET ONLY. DO NOT REMOVE THE GROUND PRONG.
WARNING DISCONNECT ALL POWER TO THIS UNIT BEFORE REMOVING THE FUSE OR
SERVICING.
WARNING BEFORE CONNECTING/DISCONNECTING ANY INTERNAL ELECTRONIC
COMPONENTS OR INTERCONNECTING WIRING BETWEEN ELECTRONIC EQUIPMENT
ALWAYS REMOVE POWER AND WAIT AT LEAST THIRTY (30) SECONDS BEFORE ANY
CONNECTIONS OR DISCONNECTIONS ARE MADE. FAILURE TO OBSERVE THESE
PRECAUTIONS COULD RESULT IN DAMAGE TO OR DESTRUCTION OF THE EQUIPMENT OR
BODILY HARM.
CAUTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE
DEVICES.

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
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2. Declaration of Conformity
EG-Konformitätserklärung
EC-Declaration of Conformity
Monat/Jahr: month/year:
06/2013
Hersteller: Manufacturer:
Hauch & Bach ApS
Anschrift: Address:
Femstykket 6
DK-3540 Lynge
Dänemark/ Denmark
Produktbezeichnung:Product name:
DAD 141.1
Das bezeichnete Produkt stimmt mit folgenden Vorschriften der Europäischen Richtlinien überein:
This product confirms with the following regulations of the Directives of the European Community
Richtlinie 2004/108/EG des Europäischen
Parlaments und des Rates vom 15. Dezember 2004
zur Angleichung der Rechtsvorschriften der Mitglied-
staaten über die elektromagnetische Verträglichkeit
und zur Aufhebung der Richtlinie 89/336/EWG
Directive2004/108/ECoftheEuropeanParliamentandofthe
Councilof15thDecember2004on theapproximationofthelaws
oftheMemberStatesrelatingtoelectromagneticcompatibilityand
repealingDirective 89/336/EEC
DieseErklärungbescheinigtdieÜbereinstimmungmit
dengenanntenRichtlinien,beinhaltetjedochkeine
ZusicherungvonEigenschaften.
Thisdeclarationcertifiestheconformitywith thelisteddirectives,
butitisnopromiseofcharacteristics.
Richtlinie 2006/95/EG Niederspannungs-Richtlinie
Directive2006/95/ECLowVoltageDirective
FolgendeNormenwerdenzumNachweisderÜbereinstimmungmitdenRichtlinieneingehalten:
Asaproofofconformitywiththedirectivesfollowingstandardsarefulfilled:
OIMLR-76-1
Nicht-SelbsttätigWaagen–MetrologischeundtechnischeAnforderungen (OIMLR-76:2002Teil1)
Non-automaticweighingsystems–Metrologicalandtechnicalrequirements(OIMLR-76:2002Part1)
DINEN
45501
MetrologischeAspekte nichtselbsttätigerWaagen; DeutscheFassungEN45501:1992
AnhangB.3:Funktionsprüfungenunter Störeinflüssen
AnhangC:VerfahrenfürdiePrüfungderStörfestigkeitgegenhochfrequenteelektromagnetischeFelder.
Michael Bach
ManagingDirector

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
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3. Introduction and Specifications
The all-in-one Digital Amplifier DAD 141.1 is a universal device for any weighing, filling or loss-in-weight
operation and for force measurements with strain gage sensors. The DAD141 is for DIN (TS35) rail mount.
To grant the quality and allow legal weighing the DAD141.1 is OIML R-76 approved (pending) and meet the
MID E2 requirements to EMC.
The standard device includes all the communication facilities needed for industrial weighing, control and
registration, i.e. analog current or voltage output (0/4…20 mA, 0…5V, 0…10V, -5V…+5V and -10V…+10V),
Ethernet, RS 422/485 and logic I/O’s for direct control of valves or bars etc.
The device can be controlled either by the front keys, via RS 422/485 port or Ethernet port. 2 logic inputs and 3
logic outputs make complex control functions easy. The 3 logic outputs can be controlled external, too.
The device features fullfills multi-drop communications capability and can be programmed via a straightforward
ASCII command set. It is theoreticaly possible to connect 256 nodes on a network using the type of RS485
transceivers the DAD 141.1 use. The addressing allow 255 units (1 to 255).
DAD 141.1 Specifications
Accuracy class
III
Test certificate according OIML R76
EU Type approved for 10000 intervals
AD converter
Delta-Sigma, ± 24 bit
Analog input range
±15 mV bipolar (± 3 mV/V @ 5 VDC excitation)
Minimum input sensitivity
0.2 μV/e (legal for trade); 0.05 μV/d (non legal for trade)
Linearity
< 0.001 % FS
Temperature effect on zero
< ±4 ppm/°K (typical < ±2 ppm/°K)
Temperature effect on span
< ±8 ppm/°K (typical < ±4 ppm/°K)
Excitation
5 V DC, load cell(s) resistance 50 - 2000 ohms; 6 wire technic
Conversion rate
Max. 600 values/second, selectable in 8 steps
Resolution external
± 600 000 counts @ ± 3 mV/V input signal
CALIBRATION & WEIGHING FUNCTIONS
Calibration
Electronical calibration in mV/V (eCal) or with test weight(s)
Digital low pass filter
FIR Filter 2.5 to 19.7 Hz or IIR Filter 0.25 to 18 Hz - adjustable in 8 steps
Weighing functions
Zero, gros, tare, net, filter, etc.
Application modes
None automatic weighing instrument (NAWI) or triggered measurement
Communication & Setup
Communication ports
RS 422/485 and Ethernet
Setup & Calibration
Panel buttons or Windows software ‘DOP 4’ or smartphone App ‘AnDOP’
Display
6 digit 7 segments, green LED’s, 5.08mm, 8 status LED green,
spectral filter 565 nm for improved contrast
Keyboard
4 pcs, Ø 3mm robust, for setup / calibration, zero, tare
Power supply
12 ... 24 V DC ±10 %, < 4 W
Environmental Conditions
Operating temperature
-15 °C to +55 °C at maximal 85% rh, non condensing
Storage temperature
-30 °C to +70 °C
Enclosure & protection
Plastic housing, for DIN rail mount (TS35) , protection IP40
Dimensions and weight
120 x 105 x 22.5 mm (H x L x W), weight approx. 170 g
EMC performance
EN61326 according to MID E2 for industrial applications (in full
accordance with 2004/22/EC)
Vibration resistance
2.5g @ operation, 5g @ storage
Serial Interface
RS 422/485, 9600 ... 115200 Baud –half/full duplex
Protocol & Address range
ASCII; address range 1 … 31
Modbus RTU
Binary data
Ethernet interface
RJ45, 10/100 Mbit/s, isolated
Ethernet TCP/IP –protocol & port
protocol ASCII, TCP port 23
Modbus TCP –protocol & port
Embedded in TCP/IP packages, protocol binary data, TCP port 502
IP address
Setup via serial port or panel buttons –Factory default: 192.168.0.100
Analog current output
0 –20mA or 4 –20mA, 500ohm, isolated or
Analog voltage output
0 –10V, 0 –5V, ±5V, ±10V, 10kohm, isolated
Digital logic inputs
2 inputs (10 –30V, 1 –3mA), commond ground, isolated
Digital logic outputs
3outputs (semiconductor relais) 30 V DC/AC, 0.5 A,
common ground, isolated

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
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4. Communications and Getting started
4.1. Serial Interface
Communicating with the digital amplifier DAD 141.1 is carried out via serial RS 422/485 port.
The data format is the familiar 8/N/1 structure (8 data bits, no parity, 1 stop bit).
Available baud rates of RS 422/485 port are as follows: 9600, 19200, 38400, 57600 or 115200 baud.
Factory default: 115200 baud
4.2. Command Language
The command set of the DAD 141.1 is based on a simple ASCII format (2 letters). This enables the user to
setup the device, get results or check parameters.
Example: DAD 141.1 is connected via the RS 485 port to a PC / PLC system. You want to get the identity,
firmware version or net weight.
Remark: In this manual means: “_“ Space in the setup command and ““ Enter (CR); sending of a linefeed
(LF) is not required and will be ignored by the device if neccessary.
Master (PC / SPS) sends
Slave (DAD 141.1) responds
Meaning
ID
D:1410
identity of the active device
IV
V:0101
Firmware version of the active device
GN
N+123.45
Net weight with algebraic sign; decimal
point is fixed as setup with command DP
4.3. Baud Rate
For baud rate setup use command BR, see chapter 10.10.3.
Factory default: 115200 baud
4.4. Getting Started Via RS422/485
You will require:
PC or PLC with a RS 422/485 communication port
A load cell / scale with test weights or a load cell simulator
A 12-24 VDC power supply capable of delivering approximately 200mA for each DAD 141.1
and load cell(s)
One or more DAD 141.1
A suitable ASCII communication software **
Refer to the wiring diagrams in chapter 5.
**
You can easily communicate between a PC and a DAD 141.1 using programs such as Procomm, Telemate,
Kermit, HyperTerminal or HTerm etc.
Additional the powerful software DOP 4 with graphical user interface and oscilloscope function for the operating
systems Windows XP/Vista/7/8 is available.
Hint:
A download of a new firmware version can be done with the software H&B programmer 3.0 (or later). The
download can be done via RS485 at a baud rate of 115200 or via Ethernet interface.

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
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4.5. Getting Started Via Ethernet Interface
You will require:
PC or PLC with an Ethernet port
A load cell / scale with test weights or a load cell simulator
A 12-24 VDC power supply capable of delivering approximately 200mA for each DAD 141.1
and load cell(s)
One or more DAD 141.1 in the Ethernet LAN
Ethernet TCP/IP, protocol ASCII, TCP port 23
Modbus TCP, embedded in TCP/IP packages, protocol binary data, TCP port 502
The factory default TCP/IP address of DAD 141.1 is 192.168.0.100. You can change the address in the
menu 8.6 (chapter 7.10) via front panel or via the command NA (network address).
In case you have your DAD 141.1 connected in a LAN (local area network), which offers additional WLAN
(wireless local area network) access, we offer you the Smartphone App ‘AnDOP’ for OS Android.
This ‘State Of The Art’ software offers you an easy access to the DAD 141.1 like:
- Display of gros, net and average value
- Proceed a calibration
- Change of setup
- Data recording of static & dynamic measurements
- Recorded data showing as graph.
4.6. Modbus TCP or Modbus RTU
The DAD 141.1 supports both, Modbus RTU (via RS422/485 port) and Modbus TCP (via Ethernet port).
Modbus TCP, embedded in TCP/IP packages, protocol binary data, TCP port 502
Modbus RTU (binary data).
For Modbus communication please use the separate manual. In this manual you find only for each command
the corresponding Modbus Index. In case of no index, the command is not available for Modbus use.

DAD 141.1 Technical Manual, Rev. 2.5 –April 2015
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5. Hardware and Wiring
5.1. Housing & Terminals
5.2. Terminals Load Cell Connection
Colour code of standard Flintec load cells
5.3. Load Cell Connection
The load cell wiring should be made carefully before energizing to avoid damages to the amplifier and the load
cells. The input resistance of the load cells that you want to connect should be ≥50 Ω (ohms).
In case of using a load cell / scale with 4 wire cable, you have to short-circuit (bridge) the pins 1 & 2 and 6 & 7.
Remark: Please don’t shorten the 4 wire cable of a load cell, as the cable is part of the factory calibration
(signal & temperature compensation).
DAD 141.1
Load cell
input
Function
Pin no.
1
+ Exc
+ Excitation for load cell
2
+ Sen
+ Sense for load cell
3
+ Inp
+ Signal of load cell
4
Shld.
Shield load cell
5
–Inp
–Signal of load cell
6
–Sen
–Sense for load cell
7
–Exc
–Excitation for load cell
Scale informations for ‘legal for trade‘
Green ‘M‘: Type approval OIML R76