Milltronics ACCUMASS BW500

Questions and Answers

C
Christina TorresSep 23, 2025
What does Error Code 227 on Milltronics ACCUMASS BW500 indicate?
- D
  Dr. Amy WilliamsSep 23, 2025
  Error Code 227, 'No process data available'. Consult Milltronics.
B
Brittany RiveraAug 25, 2025
How to fix Milltronics Industrial Electrical parameter that won't change?
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  tkaiserAug 25, 2025
  First, attempt to set the parameter using the keypad. If it still doesn't change, verify the lock parameter (P000) and ensure that the SW1 (certification switch) is not in the certification position.
R
robin97Aug 25, 2025
What to do if Milltronics ACCUMASS BW500 Industrial Electrical shows Error Code 200?
- K
  kbowmanAug 26, 2025
  Error Code 200, 'No Speed', indicates that no speed was registered during calibration. Check if the conveyor is running or if there is a speed signal.
B
brent17Aug 27, 2025
What causes Error Code 204 on Milltronics ACCUMASS BW500?
- L
  Lisa LambAug 27, 2025
  Error Code 204, 'Integrator not configured', means that parameters P002 through P017 must be programmed.
M
Michael BryantAug 27, 2025
What causes Error Code 240 on Milltronics ACCUMASS BW500 Industrial Electrical?
- A
  amber91Aug 27, 2025
  Error Code 240, 'Integrator not configured', means that parameters P002 through P017 must be programmed.
P
Pamela MillerSep 15, 2025
What to check for Milltronics ACCUMASS BW500 Industrial Electrical Error Code 201?
- M
  Ms. Caroline BurkeSep 15, 2025
  Error Code 201, 'Error – Load Cell A & B', means the reading between A & B is greater than 20000, or there is no signal. Check the wiring.
C
Charles ThomasSep 12, 2025
What does it mean when Milltronics ACCUMASS BW500 shows Error 228?
- B
  bmaxwellSep 12, 2025
  Error Code 228, 'Batch pre-act adjustment > 10%', indicates that the pre-act adjustment is ignored. Tune the process to limit batch error.
A
Andrew AndersonSep 14, 2025
What does 'BF' mean flashing on my Milltronics Industrial Electrical?
- C
  Carlos AndersonSep 14, 2025
  When 'BF' flashes in the bottom right corner of the display, it means the battery charge is too low.
N
Nathan ReyesSep 5, 2025
What does Error Code 242 mean for Milltronics ACCUMASS BW500?
- X
  xglennSep 5, 2025
  Error Code 242, 'No PID mA Output', means that the PID System (P400) is on, but the mA Output (P201) hasn't been programmed correctly.
T
Thomas LinSep 2, 2025
How to troubleshoot Error Code 221 on Milltronics ACCUMASS BW500?
- N
  Nicole DuncanSep 2, 2025
  Error Code 221, 'Span out of range', indicates a span deviation greater than 12.5%. Consider performing an initial zero (P377).

Summary

Safety Guidelines

Qualified Personnel

Details requirements for personnel authorized to install and operate the device.

Installation

Dimensions

Provides physical dimensions and mounting hole specifications for the unit.

Optional Plug-ins

Instructions for installing SmartLinx® modules and mA I/O boards.

Layout and Interconnection

Diagrams showing internal component placement and system connection diagrams.

Load Cell Connections

Wiring diagrams for connecting various load cell configurations (1, 2, 4, LVDT).

Speed Sensing

Covers constant speed operation and speed sensor connections.

Input;Output Connections

Details connections for auxiliary inputs, serial ports, and I/O.

Relay and RS-485 Connections

Wiring for relay outputs and RS-485 port 2.

RS-232 Port 3 & Power Connections

Wiring for RS-232 port 3 and power connection details.

mA I;O Board & Battery Installation

Procedure for installing mA I/O board and replacing battery.

Start Up

Orientation and Keypad

Guides on operating the keypad and navigating the display.

Program Mode

Explains operation in Program Mode for parameter viewing and editing.

Run Mode

Details how to enter Run Mode after initial programming and calibration.

Initial Start Up Sequence

Covers power up, programming (P001-P017), and calibration sequence.

Load Cell Balancing

Procedure for balancing load cells in two or four load cell configurations.

Zero & Span Calibration

Instructions for performing zero and span calibrations.

Recalibration

Belt Speed Compensation

Procedure to ensure displayed belt speed matches actual belt speed for accuracy.

Material Tests

Methods for verifying span calibration and compensating for belt effects.

Routine Zero & Span Calibration

Procedures for routine and initial zero/span calibrations.

Auto Zero

Explains automatic zero calibration function and its conditions.

Multispan

Configuring up to eight different span references for varying conditions.

Factoring

Procedure for calculating new test weight value against current span.

Linearization

Correcting non-linear response for accurate material flow reporting.

Parameter Description

Security Lock (P000)

Locks out parameter editor to prevent unauthorized changes.

Start Up Parameters (P001-P017)

Minimum parameters required before calibration and run mode entry.

Relay;Alarm Functions (P100-P117)

Parameters for configuring relay and alarm functions.

mA I;O Parameters (P200-P220)

Parameters for configuring mA outputs and inputs.

Calibration Parameters (P295-360)

Parameters related to calibration procedures like load cell balancing.

PID Control Parameters (P400-P418)

Parameters for configuring PID control loops.

Batch Control Parameters (P560-P568)

Parameters for configuring the BW500 as a batch controller.

Totalization Parameters (P619-P648)

Parameters specific to the BW500 totalizers.

ECal Parameters (P693-P698)

Parameters for Electronic Calibration (ECal) test reference.

Communications Parameters (P750-P792)

Parameters for configuring various communication formats (serial, Dolphin, Modbus).

Operation

Load Sensing

Required load signal for BW500 to calculate rate and totalize material flow.

Speed Sensing

Required speed signal for BW500 to calculate rate and totalize material flow.

Modes of Operation

Describes Run mode, display scrolling, and access to other modes.

Damping

Controls response speed of readings and outputs to input changes.

mA I;O (0;4-20 mA)

Details for mA outputs and inputs configuration.

Relay Output

Functions and assignments for the five available relays.

Totalization

How totalization works and the types of totalizers available.

PID Control

Hardware

Requirement for optional mA I/O board to operate as a controller.

Connections

Details process instrument connections for PID control configurations.

Setpoint Controller Configurations

Diagrams for Rate Control, Load Control, Master/Slave, Rate & Load Control.

Setup and Tuning

Guides for qualifying and quantifying PID control terms.

Batching

Connections

Typical ladder logic and wiring for batching control functions.

Programming

Steps to program batch control functions, setpoints, and pre-warn.

Operation

Describes batch process control, display, and pre-act function.

Certification

Certification Switch

Details the certification compliance switch and its function.

Certification Printing

Conditions and format for certification printing.

Communications

Dolphin Protocol

Details the Dolphin protocol for connecting to Milltronics Dolphin Plus software.

Modbus RTU;ASCII Protocol

Describes the Modbus protocol for device communication.

Modbus Register Map

Overview of BW500 memory map in Modbus holding registers.

Modems

Guidelines for connecting and setting up modems with BW500.

Error Handling

Describes Modbus responses and general error handling procedures.

Troubleshooting

General Troubleshooting

Initial checks for power, programming, and connections.

Specific Troubleshooting

Addresses specific issues like parameter changes not taking effect.

Error Codes

Lists and explains error codes generated by the BW500.

Appendices

Memory Backup

Information on maintaining memory backup via battery replacement.

Software Updates

Procedure for updating the BW500 software.

Calibration Criteria

Defines criteria for performing zero, span, and PID system calibrations.