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H&B DAD 141.1 User Manual

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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

Table of Contents

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H&B DAD 141.1 Specifications

General IconGeneral
BrandH&B
ModelDAD 141.1
CategoryAmplifier
LanguageEnglish

Summary

Safety Instructions

General Safety Precautions

Includes cautions for reading manual, qualified personnel, and ESD handling.

Electrical Safety Warnings

Warnings regarding shock hazard, grounding, and power disconnection.

Declaration of Conformity

EC Declaration of Conformity

Product compliance with EU directives for EMC and Low Voltage.

Fulfilled Standards

Lists OIML R-76-1 and DIN EN 45501 standards for conformity.

Introduction and Specifications

Device Overview and Features

General description of the DAD 141.1's capabilities and functions.

Technical Specifications Summary

Key parameters including accuracy, inputs, outputs, and environmental.

Communication and I/O Capabilities

Details on serial, Ethernet, analog, and digital I/O interfaces.

Communications and Getting Started

Serial Interface Setup

Configuration and use of RS 422/485 communication.

Command Language and Usage

Explains the ASCII command format for device control.

Ethernet Interface Setup

Guide for connecting and configuring via Ethernet.

Modbus Protocol Support

Information on Modbus TCP and RTU protocol support.

Hardware and Wiring

Housing and Terminals Overview

Describes the device's physical layout and terminal connections.

Load Cell Connection Guide

Instructions and diagrams for connecting load cells.

Power and Communication Wiring

Details wiring for power supply, serial, and Ethernet ports.

Seal Switch Functionality

Explains the purpose and operation of the seal switch.

Logic Inputs and Outputs

Logic Input Configuration

Assigning functions to digital logic inputs.

Logic Output Configuration

Controlling logic outputs and assigning actions.

Analog Outputs

Analog Output Base Selection

Choosing the data source for analog output signals.

Analog Output Mode Setup

Configuring output modes like current or voltage.

Menu Structure and Navigation

Menu Navigation Overview

Instructions on entering and navigating the setup menus.

Menu Section Descriptions

Brief overview of each main menu section (1-9).

Setup Via Front Panel Keyboard

Keyboard Buttons Functionality

Describes the purpose of each button on the front panel.

Using Keyboard for Setup

Guide on navigating menus and making selections with buttons.

System Setup Menus

Menu 1 – System Zero

Configuration of zero tracking, calibration, and non-volatile storage.

Menu 2 – System Span

Setting calibration span via weight or mV/V input.

Menu 3 – Display Settings

Configuring display limits, step size, and decimal point.

Menu 4 – Filter & Motion Detection

Setting filter cutoff, mode, update rate, and motion detection.

Menu 5 – Analog Output

Setting analog output base, high/low levels, and mode.

Menu 6 – Logic Inputs

Assigning functions to logic inputs 0 and 1.

Menu 7 – Logic Outputs

Setting setpoints, hysteresis, base value, and testing logic outputs.

Menu 8 – Data Communication

Baud rate, device address, auto-transmit, IP address, and parity.

Factory Default Reset

Procedure for resetting the device to factory default settings.

Error Code Reference

Error Code Descriptions

Explains various error messages and their causes.

Calibration Examples

Calibration with Weights Example

Detailed procedure for calibrating the scale using physical weights.

mV/V Sensitivity Calibration Example

Procedure for calibrating using load cell mV/V sensitivity.

Command Reference Overview

Command Summary Table

Lists all commands with short descriptions and parameter values.

Commands Description

System Diagnosis Commands

Commands like ID, IH, IV, IS for device status and version.

Calibration Commands Overview

Commands for enabling and performing calibration sequences.

Parameter Setting Commands

Commands for setting max/min output, step size, and decimal point.

Zero and Gain Calibration Commands

Commands for AZ, AG, CZ, CG, ZT, FD, ZR, ZI.

Data Saving and Restore Commands

Commands for CS, SU, RU to save/restore data.

Motion Detection Commands

NR Set 'No-motion' Range

Sets the fluctuation limit for stable signal detection.

NT Set 'No-motion' Time Period

Sets the time period for checking signal stability.

Filter Setting Commands

FM Filter Mode Selection

Selects between IIR and FIR digital filter modes.

FL Filter Settings

Configures the 3dB filter cut-off frequency.

UR Update Rate and Averaging

Defines the averaging of measurement values for update rate.

Taring and Zeroing Commands

SZ Set System Zero

Sets a new current zero point for weight calculations.

ST Set Tare Function

Activates net weighing by storing the current weight as tare.

RZ Reset Zero & RT Reset Tare

Resets zero to calibrated value and tare to gross mode.

ZN/TN Store Zero/Tare Value

Saves zero/tare values non-volatilely.

TW/TI Automatic Taring Settings

Configure window and time for automatic taring.

Output Commands

GG/GN/GT Get Gross/Net/Tare Value

Retrieves gross, net, and tare weight values.

GS Get ADC Sample Value

Retrieves the current analog-to-digital converter value.

GW Get Data String

Retrieves net, gross, status, and checksum as a string.

GA/GH/GM/GV Value Retrieval

Gets triggered average, hold, peak, and valley values.

Auto-Transmit Commands

Continuous Value Transmission

SG, SN, SW commands for sending values continuously.

SA Auto-Transmit Triggered Average

Starts automatic transmission of triggered average values.

Logic Input Functions and Status

Al Assign Input 'n'

Assigns specific functions to logic inputs.

IN Read Logic Input Status

Reads the current status of digital logic inputs.

Logic Output Commands

IO Read/Modify Logic Output Status

Manages the status of logic outputs.

OM Control Logic Outputs by Host

Enables host application control of logic outputs.

A'n' Assign Action for Setpoint

Assigns a base value (gross, net, etc.) to a setpoint.

S'n'/H'n'/P'n' Setpoint Configuration

Sets setpoint values, hysteresis, and polarity.

HT Hold Time for Setpoints

Sets the hold time for setpoint limit conditions.

Communication Setup Commands

AD Device Address & NA Network Address

Configures device and IP addresses.

BR Baud Rate & DX Duplex Mode

Sets serial speed and duplex operation.

OP Open/CL Close Devices

Commands to open and close devices on the bus.

TD Transmission Delay

Sets a delay for data transmission.

Analog Output Commands

AA Analog Output Base Selection

Chooses the data source for analog output signals.

AH/AL Set Analog High/Low Levels

Configures the high and low levels for analog output scaling.

AM Set Analog Output Mode

Selects the analog output mode (e.g., 4-20mA, 0-10V).

Save Calibration and Setup Commands

CS Save Calibration Data

Saves calibration data to EEPROM, increments TAC.

WP Save Setup Parameters

Saves configuration settings like filter and communication.

SS Save Setpoint Parameters

Saves setpoint values, hysteresis, and allocation.

AS Save Analog Output Parameters

Saves analog output configuration parameters.

GI/PI EEPROM Image Management

Retrieve or download EEPROM image files.

Trigger Commands

SD Start Delay Time

Defines a delay between trigger and measurement start.

MT Measuring Time

Defines the time duration for averaging measurement results.

GA Get Triggered Average Value

Reads the measurement result averaged over defined time.

TE Trigger Edge & TR Software Trigger

Selects trigger edge and starts measurement cycle.

TL Trigger Level

Sets a level for rising edge trigger on the measurement signal.

SA Send Triggered Average Automatically

Starts automatic transmission of triggered average values.

Approved Applications and Restrictions

Legal-for-Trade Usage Requirements

Details conditions for use in legal-for-trade weighing systems.

Performance Restrictions in Approved Use

Specifies limitations on display divisions and sensitivity.

Traceable Access Code (TAC) System

Explains the TAC method for controlling calibration access.

Calibration Procedures

Calibration Command Overview

Lists commands for enabling and performing calibration sequences.

Calibration Preparation Steps

Checks for display high value, no-motion, and filter settings.

Calibration Example Walkthrough

Illustrates zero point, gain, and decimal point setup.

Firmware Updates and Management

Firmware Update Procedure

Guide for connecting and using HB-Programmer software.

Factory Default Reset Procedure

How to reset the device using the FD command.

DOP4 Software for Parameter Management

Describes DOP4 software for managing parameters and backups.