EasyManua.ls Logo

Precise Instrument DAT 400 - User Manual

Precise Instrument DAT 400
60 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
DAT 400
TECHNICAL MANUAL
For Analog/Probus/Devicenet versions
Digital Transmitter
Software version PW13081

Questions and Answers

  • W
    Willie WoodAug 2, 2025
    Why is serial communication not working on my Precise Instrument Transmitter?
    • A
      Andrea DiazAug 2, 2025
      If the serial communication of your Precise Instrument Transmitter isn't working correctly, it might be due to incorrect installation or improper serial interface operation settings. Ensure the connections are properly set up according to the installation manual and select the correct settings.
  • C
    Christopher JensenAug 8, 2025
    What to do if semiautomatic zero doesn’t work on my Precise Instrument Transmitter?
    • N
      Nicholas EdwardsAug 9, 2025
      If the semiautomatic zero function on your Precise Instrument Transmitter is not working, it could be because the gross weight is exceeding the action limit or the weight hasn't stabilized. To fix this, calibrate the weight and wait for it to stabilize. Alternatively, you can adjust the weight filter parameter.
  • J
    Jennifer PughAug 15, 2025
    Why is the semiautomatic tare function not working on my Precise Instrument DAT 400?
    • M
      morgan80Aug 15, 2025
      If the semiautomatic tare function on your Precise Instrument Transmitter isn't working, it could be due to a negative gross weight, the weight exceeding the maximum capacity, or the weight not stabilizing. Verify the gross weight and allow the weight to stabilize. If needed, adjust the weight filter parameter.
  • A
    Angela SmithAug 21, 2025
    How to fix the 'O-L' message on my Precise Instrument Transmitter display?
    • D
      Dustin WelchAug 21, 2025
      If your Precise Instrument Transmitter display shows an 'O-L' message, it means the weight isn't detectable. This is likely because the cell is either missing or incorrectly connected. Check the cell connections to resolve this issue.
  • K
    Kristine GouldAug 27, 2025
    How to correct the decimal places on my Precise Instrument DAT 400?
    • L
      Lisa HowellAug 27, 2025
      If the number of decimal places is incorrect on your Precise Instrument Transmitter, it's probably because the wrong division value is selected. Correct this by selecting the appropriate division value in the main menu.

Summary

Safety Precautions

General Safety Warnings

Safety instructions and warnings for handling the instrument.

Installation Guide

Electrical Connections

Details on wiring terminals for power and load cells.

Instrument Power Supply

Specifications and connection details for the instrument's power supply.

Load Cell and Logic Input Connections

Load Cell Connections

Instructions for connecting load cells, including wiring and junction box usage.

Outputs and Serial Communication

Serial Communication Interfaces

Information on RS232 and RS485 serial ports and their connection requirements.

Keyboard Operation and Navigation

Keyboard Functions

Detailed explanation of key functions during weight display, menu navigation, and value setting.

Display Information and Error Codes

Error Notification Codes

List and explanation of error codes displayed by the instrument.

Weight Viewing, Zeroing, and Self-Calibration

Zeroing and Self-Calibration

Procedures for zeroing the weight and performing self-calibration.

Programming Weight Setpoints

Setting Setpoint Values

Step-by-step guide to program the weight setpoint values for logic outputs.

System Parameter Settings

General Settings Overview

Introduction to the setup menu, default settings, and parameter adjustment methods.

Parameter Entry and Navigation

How to access and navigate the setup menu for parameter modification.

Quick Setup Menu Guide

Configuration Parameters

System Capacity Configuration

Setting the rated capacity of the weighing system and load cells.

Load Cell Sensitivity

Configuring the average sensitivity of the load cells in mV/V.

Configuration Parameter Details

Net Capacity Configuration

Programming the net capacity of the weighing system.

Fixed Calibration Value

Programming the fixed calibration value for the weighing system.

Calibration Procedures

Zero Calibration

Procedure for setting the zero point of the scale without any load.

Full Scale Calibration

Procedure for calibrating the full scale using a known sample weight.

Linearization Process

Weighing Parameters Adjustment

Weight Filter Adjustment

Adjusting the refresh speed of the display and output signals.

Weight Stability Definition

Defining the number of divisions required to consider the weight stable.

Autozero Upon Switching On

Setting the maximum resettable weight when the instrument is turned on.

Input;Output Parameter Configuration

Setpoint 1 Operation Mode

Selecting operation criteria for Setpoint 1 (Net, Gross, Peak).

Input;Output Parameter Details

Setpoint 2 Operation Mode

Selecting operation criteria for Setpoint 2 (Net, Gross, Peak).

Serial Output Configuration

Serial Output Configuration Details

Analog Output Configuration (DAT 400;A)

Analog Output Calibration

Adjusting Analog Offset (Calibration)

Calibrating the zero and full scale offset of the analog output.

Serial Communication Protocols

Modbus RTU Communication

Modbus Address Guidelines

Explanation of Modbus addressing, referencing zero-based indexing.

Modbus Functionality

Supported Modbus Functions

List of Modbus functions supported by the instrument.

Modbus Register Mapping

Modbus Holding Registers List

Comprehensive list of Modbus holding registers with addresses and descriptions.

Fieldbus Protocol Data Exchange

Fieldbus Protocol Data Areas

Troubleshooting Guide

Grounding Connections Diagram

Intrinsic Safety Barrier Wiring

24 VDC Power Supply Option

Precise Instrument DAT 400 Specifications

General IconGeneral
Operating Temperature-20...+70 °C
InputThermocouple
Output4-20 mA, 0-10 V
Accuracy0.1%
Response Time< 100 ms
Isolation1500 VAC
Measurement RangeDepends on sensor type
Housing MaterialPlastic