Onicon FT-3500 - User Manual

Other manuals for Onicon FT-3500

Quick Start Guide2 pages

Questions and Answers

W
watersjulieAug 14, 2025
How to troubleshoot no signal on Onicon Measuring Instruments?
- S
  Seth PriceAug 14, 2025
  If your Onicon Measuring Instruments show no signal, there are several things to check: * Ensure the meter is properly inserted into the pipe. * Confirm the remote sensor flow arrow points in the correct direction. * Verify the 24V supply voltage. * Check the wiring to the control system against the wiring diagram. * Make sure there is flow in the pipe. * Confirm the meter earth cable is connected to earth. * Low conductivity water (less than 20 µsiemens) may activate the empty pipe detector or increase electrical noise.
S
Susan RogersAug 17, 2025
Why is the reading too high or low on my Onicon Measuring Instruments?
- J
  john35Aug 17, 2025
  If the reading on your Onicon Measuring Instruments is too high or too low, consider the following: * Check the pipe size. Contact Onicon if the pipe size differs from the calibration tag. * Verify the meter is correctly inserted into the pipe. * Ensure the remote sensor flow arrow points in the direction of flow. * Verify the wiring to the control system using the wiring diagram. * Confirm that the output signals (frequency vs. analog) are consistent. * Check that the control system is programmed for the correct flow range or scale factor. * Verify that the meter earth cable is properly connected; a poor connection can cause excessive noise.
B
Benjamin FrankAug 20, 2025
What to do if analog signal is incorrect on Onicon Measuring Instruments?
- O
  omarrichardsonAug 20, 2025
  If the analog signal on your Onicon Measuring Instruments seems high or low and doesn't match the frequency output, try these steps: * Verify Analog Out Max and Flow at MaxFreq. * Check for a ground loop or offset voltage by disconnecting the analog signal input from the control system and measuring the analog output directly from the flow meter. Then, reconnect the signal input and measure the analog signals again. Any difference between these readings indicates a potential ground loop or offset voltage.
B
Brandon GambleAug 25, 2025
Why is there no flow rate on the display of my Onicon FT-3500?
- D
  Daniel MillerAug 25, 2025
  If your control system displays a flow rate, but the local display module or Btu meter on your Onicon Measuring Instruments does not, verify that all wires from the flow meter are connected to the display module or Btu meter. The frequency output wires (green and yellow) must be connected for any Onicon display or Btu meter to function correctly.
D
Dustin AndersonAug 31, 2025
What does 'Error Grand Totals Corrupt' mean on Onicon FT-3500 Measuring Instruments?
- H
  hansencindyAug 31, 2025
  If your Onicon Measuring Instruments display the error message “Error Grand Totals Corrupt”, it means valid totals could not be retrieved from the meter's non-volatile storage. To resolve this: * Restore Factory Configuration through Utility Menu-> Factory Restore. * Run flow or simulate flow to increase totals. * Power cycle the unit. If the error reappears, contact Onicon support, as an RMA may be needed, indicating the meter might have lost its memory.
V
Vickie RobinsonSep 2, 2025
What causes “Error Yearly Totals Corrupt” on Onicon FT-3500 Measuring Instruments?
- K
  Kimberly WilcoxSep 3, 2025
  If your Onicon Measuring Instruments display the error message “Error Yearly Totals Corrupt”, it means valid totals could not be retrieved from the meter's non-volatile storage. To resolve this: * Restore Factory Configuration through Utility Menu-> Factory Restore. * Run flow or simulate flow to increase totals. * Power cycle the unit. If the error reappears, contact Onicon support, as an RMA may be needed, indicating the meter might have lost its memory.
C
cindy56Sep 6, 2025
How to resolve 'Error Pipe Not Configured' on Onicon FT-3500 Measuring Instruments?
- S
  Sarah PerezSep 6, 2025
  If your Onicon Measuring Instruments display the error “Error Pipe Not Configured,” it indicates that the pipe configuration is either missing or incomplete. To fix this, configure the pipe through the Pipe Config Settings screen.
R
Richard ReyesNov 26, 2025
How to fix 'Error Velocity Config Corrupt' on Onicon FT-3500?
- J
  John StewartNov 26, 2025
  If you encounter a “Error Velocity Config Corrupt” message on your Onicon Measuring Instruments, it may be due to missing or corrupt Velocity Tables or Pipe Info, or the unit may be unable to find the velocity table for the configured pipe. Here’s what you can do: 1. Configure the meter for a common pipe (e.g., 6” Carbon Steel Sch40). 2. If the error disappears, power cycle the unit to confirm if the error no longer exists. 3. If the error reappears, contact Onicon, as an RMA may be needed, indicating the meter might have lost its memory. 4. If the error is no longer present after changing it to a common pipe, change the pipe configuration to the desired pipe configuration. Confirm the desired pipe configuration exists. Contact Onicon if help is needed to select the correct pipe confi...

Summary

Safety Information

Safety Precautions

General safety precautions for installation, operation, and repair.

Introduction to the FT-3500 Flow Meter

Purpose of the Guide

Outlines the scope and intended audience of the manual.

Typical Insertion Electromagnetic Flow Meter

Explains the principle and operation of the FT-3500 meter.

FT-3500 Standard Features and Specifications

Additional Hardware for FT-3500 Installation

Grounding Rings

Details on grounding rings for electrical noise suppression.

Thermowell Installation Procedures

Dry Tap Thermowells

Installation methods for dry tap thermowells in new systems.

Hot Tap Thermowells

Installation methods for hot tap thermowells in live systems.

Unpacking and Verification

Checking Received Items

Procedure to verify all meter components and documentation are present.

FT-3500 Installation, Removal & Adjustment

Installation Site Selection

Guidelines for choosing an optimal and accessible installation location.

Mechanical Installation Guidelines

FT-3500 Installation Kit Options

Standard Installation Hardware Kit

Details for installing the standard hardware kit on drained pipes.

Hot Tap Installation Hardware Kit

Details for installing the hot tap hardware kit on pressurized systems.

Confirming the Stack Height

Installing the Flow Meter

Insertion of the Meter

Removal of the Meter

FT-3500 Wiring Connections

Input Power and Sensor Connection Wiring

Diagram and instructions for connecting power and sensor wiring.

Signal Output Wiring

Temperature Sensor Connection Wiring

Network Communications Output Wiring

Signal and Power Wiring Connections

Earth Connection Procedures

Importance and methods for proper earth grounding.

FT-3500 Programming Menu Overview

User Configuration Settings

Customizing network, I/O, pipe, and operational settings.

FT-3500 Diagnostics Menu

Tools for troubleshooting meter issues via waveforms and data.

Preferences and Settings

Adjusting password, display, units, and date/time settings.

User Configuration Main Menu

Network Type Settings

Selecting and configuring network protocols like BACnet and MODBUS.

Inputs & Outputs Configuration

Analog Output Configuration

Setting up and configuring analog output parameters.

Digital I;O Configuration

Digital I;O Output Configuration

Configuring digital outputs for volume or alarm signals.

Frequency Output Settings

FT-3500 Pipe Configuration Settings

Standard Pipe Configuration

Setting common pipe material, schedule, and size.

Custom Pipe Configuration

Setting pipe material, inside, and outside diameter.

FT-3500 Meter Settings

Meter Mode Settings

Setting unidirectional or bidirectional flow mode.

Field Characterization Settings

FT-3500 Meter Information Screen

FT-3500 Alerts Screen

FT-3500 Diagnostics Menu

Waveform Data Display

Identifying signal disturbances and potential issues.

Raw I;O Data View

Viewing raw voltage, current, and resistance values.

Signal Connection Status

Verifying sensor and output connection status.

FT-3500 Preferences Menu

Password Settings Configuration

Enabling and configuring a user password for meter access.

Display and Touchscreen Settings

Adjusting screen brightness and auto-dim time.

FT-3500 Utility Menu

Factory Restore Procedure

Restoring all meter preferences to factory default settings.

Multiusers and User Configurations

Saving and managing up to four separate meter preference profiles.

Start-Up & Commissioning for ONICON Flow Meters

Helpful Hints for Start-Up and Commissioning

Provides important tips before beginning the commissioning process.

FT-3500 Start-Up and Commissioning Procedure

FT-3500 Commissioning Worksheet

FT-3500 Network Configuration

Network Configuration via RS-485

Instructions for configuring the meter on an RS-485 network.

Network Configuration via IP

Instructions for configuring the meter on an IP network.

BACnet Protocol Conformance Statement

Supported BACnet Device Profiles

Lists supported BACnet device profiles.

Supported BACnet Object Types

Details supported BACnet object types and properties.

Analog Inputs for FT-3500

FT-3500 Analog Values

FT-3500 Binary Input

FT-3500 Multistate Value Errors

FT-3500 Troubleshooting Guide

Earth Connections and Noise Reduction

Minimizing Electrical Noise

Strategies to reduce electrical noise for optimal meter performance.

Diagnosing Electrical Noise Issues

FT-3500 Error Alerts

FT-3500 Alarm Alerts

FT-3500 Warning Alerts

Onicon FT-3500 Specifications

General

Flow Meter Type	Insertion Turbine Flow Meter
Measurement Principle	Turbine
Probe Material	316 Stainless Steel
Insertion Length	Adjustable
Output Signal	4-20 mA, Pulse
Flow Range	25 ft/s
Enclosure Rating	NEMA 4X