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BFC AFC Series - User Manual

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Piezoelectric Feeder Controller
AFC Series
AFC -20HG
AFC-20SE
Instruction Manual
Thank you for purchasing the controller manufactured by BFC Limited.
Please read this instruction manual thoroughly before use for proper
use of the product.
This instruction manual should be handed to the end user.
1. Before use
About vibrator
Be sure to use the specified piezoelectric feeder (AFR-xxxD,
AFJ-xxxD, AFB-xxxD series).
*This product cannot be used with an electromagnetic feeder.
2. Safety precautions
Precautions are classified into “Danger,” “Warning” and “Caution”
depending on the degree of risk in this instruction manual.
Danger
Hazards are obviously anticipated.
If the product is handled in an improper manner neglecting the
indication, death or serious injury may occur.
Warning
Hazards may occur depending on the situation.
If the product is handled in an improper manner neglecting the
indication, death or serious injury may occur.
Caution
Hazards may occur depending on the situation.
If the product is handled in an improper manner neglecting the
indication, minor or medium-level injury may occur.
The Danger, Warning and Caution below do not cover all possible
cases.
Read the catalog and the instruction manual carefully and place priority
on the safety in performing operations.
Danger
To prevent electrical shock, do not perform operations in live wire
state.
To prevent catching fire, do not use at places with hazardous
objects such as ignitable objects and flammable objects.
*The product is not explosion-proof.
If the product is installed at a high place, it may drop or fall
depending on conditions.
Provide measures against drop and fall. Moreover, retain and fix
firmly in installing the product.
Do not splash water on the product, wash the product or use the
product under water to avoid injury, electrical shock or fire due to
malfunction.
Warning
Shut OFF the power supply before removing the cover.
Be sure to shut OFF the power supply before performing wiring to
avoid electrical shock.
Do not insert/remove the connector while the power supply is ON
or apply unnecessary load on the connector to avoid damage to the
system and electrical shock.
Do not step on the product or put objects on the product to avoid
accidents, falling of the product or damage to the product caused
by dropping or falling of the product.
Do not damage the lead wire to prevent fire or electrical shock
caused by electrical leakage.
Connect a ground before use.
To prevent failure, damage and shortening of the service life, do not
use the product exceeding the specified use range.
Do not use the modified product to avoid failure and damage.
*Failure of the product modified by the customer is not covered by
the warranty regardless of the reasons.
Wiring should be done properly according to the instruction manual
and connections should be checked for mistakes before turning ON
the power supply.
*Mistakes of wiring may cause breakage or malfunction.
Caution
Do not install the product at dusty places because the product is
not dust-proof.
Secure a working space around the installation place of the
product, because failure to perform daily inspections and
maintenance could lead to breakage of the product.
Be sure to disconnect from the controller and ground the bowl or
the chute before welding the bowl or the chute to avoid damage to
the controller caused by leakage current.
Be sure to hold the main body in carrying the product, without lifting
up by holding the cord, to avoid damaged wire or bad connection.
Never run/stop a vibrator to which the power supply to the
input/output side is turned ON/OFF by an electromagnetic switch,
etc. to avoid failure and damage.
*If the vibrator ON/OFF is done frequently, check the external
control method on the instruction manual and perform in a proper
manner.
Install in an adequately ventilated room, avoiding places of high
temperature and humidity.
The ambient temperature should be 0 to 40°C.
Do not remove the labels and stickers.
Dispose the product in a proper manner as an industrial waste.

Questions and Answers

Summary

Before Use

About Vibrator

Specifies the use of the BFC piezoelectric feeder series and confirms non-compatibility with electromagnetic feeders.

Safety Precautions

General Safety Warnings

Details risk classifications (Danger, Warning, Caution) and provides essential safety guidelines for operation.

Name and Function of Each Part

Operation Panel

Details the components and indicators on the controller's operation panel.

Internal Area

Identifies connectors and terminal blocks within the controller's internal structure.

Terminal Block

Control I;O

Details input/output terminal blocks for control signals and power supply.

Input Signal Terminal

Used to externally control the vibrator operation with various signals.

Output Signal Terminal

Used to externally output the operation state of the vibrator.

Service Power Supply Terminal

Provides 24 VDC supply for sensors used in parts feeder control.

Wiring

Connection with Vibrator

Describes how to connect the piezoelectric feeder to the controller's output terminal.

Connection with Input;Output Lines

Explains connecting power supply and vibrator to input/output lines.

Preparation

Lets Use

Moving the Vibrator

Instructions on how to operate and adjust the vibrator using the controller's keys and encoder.

Connection with External Devices

Input Circuit Diagram

Illustrates input circuit diagrams for connecting external devices like NPN and PNP sensors.

Connection of Relay

Shows how to connect a relay for operation/stop signals via IN0/IN1 terminals.

Connection of Voltage Signals

Details connecting voltage signals to IN0/IN1 terminals for external control.

Linkage of Controller

Explains connecting master and slave units for synchronized operation.

Terminals for IN0;IN1 Operation Signals

Describes operation/stop control using IN0/IN1 terminals and adjustable logic.

Input Terminal for Switching IN2;IN3 Pattern No.

Explains how to switch amplitude settings via input to IN2 or IN3 terminals.

B Analog Input Connector

Details connecting analog voltage signals to change the output voltage set value.

Feedback Sensor Connector

Output Circuit Diagram

Output Terminal Descriptions

OUT0;OUT1 Operation Synchronization Output

Explains synchronization output terminals for driving loads in line with vibrator operation.

OUT2 Workpiece Shortage Signal Output

Describes the output signal for workpiece shortage detection by a full sensor.

OUT3 Alarm Signal Output

Details the alarm signal output for controller errors and indications.

Setting Change

Basic Setting

Covers voltage and frequency setting, and saving current configurations.

Advanced Setting

Enables switching to advanced settings for input/output logic and timers.

Troubleshooting

Specifications

Warranty

Overview

The BFC AFC Series Piezoelectric Feeder Controller is a device designed to manage and control piezoelectric vibrators, specifically the AFR-xxxD, AFJ-xxxD, and AFB-xxxD series. It is not compatible with electromagnetic feeders. The controller allows for precise adjustment of vibration amplitude and frequency, offering both basic and advanced operational settings.

Function Description

The primary function of the AFC Series controller is to provide stable and adjustable power to piezoelectric vibrators, enabling them to feed parts accurately. It features an operation panel with a state indicator, set value display, voltage lamp, frequency lamp, encoder, SAVE button, FUNCTION button, and RUN/STOP button.

The state indicator provides visual feedback on the vibrator's status:

  • Run: Indicates the vibrator is running (ON), at standby (Blink), or stopped by the RUN/STOP button (OFF).
  • FB sensor: Shows if the feedback function is enabled (ON), if the feedback sensor is connected (Blink), or not connected (OFF).
  • Lock: Indicates if the key lock function is enabled (ON) or disabled (OFF).

The set value display shows the current voltage or frequency settings. The voltage lamp (Vol) illuminates when the output voltage set value is displayed, and the frequency lamp (Frq) illuminates when the output frequency set value is displayed. An encoder is used to change these set values, and the SAVE button is used to store them. The FUNCTION button allows access to the function menu, while the RUN/STOP button manually starts or stops the vibrator. Special operations include holding down the FUNCTION button to switch between basic and advanced settings, and holding down the SAVE button to toggle the key lock function.

The controller includes various input/output terminals for external control and monitoring:

  • Input signal terminals (IN0-IN3, COM.i): Used to externally control vibrator operation, including operation signals and pattern number selection signals.
  • Output signal terminals (OUT0-OUT3, COM.O): Provide external output of the vibrator's operation state, such as operation synchronization signals, workpiece shortage signals (AFC-20H only), and alarm signals.
  • Service power supply terminal (24V, GND): Supplies 24 VDC (100 mA capacity) for sensors used in full parts feeder control.

Connectivity options include:

  • Feedback sensor connector: For connecting the feedback sensor to enable constant amplitude control.
  • Analog input connector (B): For connecting an analog voltage signal (0-5V) to adjust the output voltage setting value, specifically for the AFC-20HG model.
  • Vibrator connector (C): For connecting the piezoelectric vibrator.
  • Control I/O (E): A terminal block for input/output signals from the main unit.
  • Power input terminal block (F): For connecting the input power line.

The controller supports various external device connections:

  • Relay connection: Allows control via a relay, connecting the relay's contact point to GND and IN0/IN1.
  • Voltage signal connection: Enables control via a voltage signal, connecting the signal to COM.i and IN0/IN1.
  • Linkage of controllers: Allows a master unit to control a slave unit, synchronizing their operations.
  • NPN/PNP output sensor connection: Supports connection of NPN or PNP output sensors for input signals, with specific wiring instructions for each type.
  • Analog input connector: Allows the output voltage set value to be changed by an analog voltage signal.
  • Feedback sensor connection: Operates the vibrator at a constant amplitude using a connected feedback sensor (PHA-03-C15, PHA-03-C35, PHA-03-CC). When the sensor is installed and the SAVE key is held down while the vibrator is running and the FB sensor blinks, feedback operation is activated, and the controller automatically adjusts voltage to maintain amplitude.
  • Output circuit diagram: Details the connections for OUT0, OUT1, OUT2, OUT3 with a rated load of 30 VDC 100 mA, including examples for electromagnetic valve loads (PNP and NPN).
  • OUT0/OUT1 operation synchronization output terminal: Drives connected loads in synchronization with vibrator operation.
  • OUT2 workpiece shortage signal output terminal (AFC-20HG only): Outputs a signal when workpiece shortage is detected by a full sensor.
  • OUT3 alarm signal output terminal: Outputs alarm signals and displays error indications (e.g., "Err2" for overcurrent, "Err3" for no feedback sensor signal) in response to controller errors.

Important Technical Specifications

  • Model: AFC-20HG, AFC-20SE
  • Control system: D class Amp system
  • Input Voltage: 85 VAC to 265 VAC
  • Frequency: 50Hz/60Hz
  • Number of phases: 1
  • Power reception capacity: 85 VA
  • Maximum output current: 200 mA
  • Output Voltage: 0 to 230 V (secondary side of transformer)
  • Output Frequency: 60 to 400 Hz
  • External control: Function to control operation by external signals.
  • Synchronization signal output: Output in synchronization with vibrator operation (2 points).
  • Workpiece shortage signal output: From full sensor (AFC-20HG only).
  • ON delay: Startup delay setting at a stop due to full (AFC-20HG only).
  • OFF delay: Delay setting for stop due to full at operation state (AFC-20HG only).
  • Constant amplitude function: Control by acceleration sensor (PHA-03) (AFC-20HG only).
  • Ambient operating temperature: 0 to 40°C (freezing not allowed).
  • Ambient operating humidity: 0 to 90% RH (condensation not allowed).
  • Paint color: Gray BN-75 (JPMA).
  • Weight of main unit: 0.7 Kg.
  • Rated input voltage (INO, IN1, IN2, IN3): 24 VDC 15 mA.
  • Rated load (OUT0, OUT1, OUT2, OUT3): 30 VDC 100 mA.

Usage Features

The controller is designed for ease of use with a clear operation panel.

  • Basic setting: Allows users to set voltage and frequency values using the encoder and save them with the SAVE button. It also displays currently used extensions.
  • Advanced setting: Accessible by holding the FUNCTION key for 1 second or more when the vibrator is stopped. This mode offers detailed configuration options for input and output signals, including:
    • Input signal terminal IN0/IN1 settings: Logic switching (nor/inv), ON/OFF delay timers (T1-T4), and detailed settings for extensions (Pt, AnLG, drum, sequence corresponding to IN0/IN1).
    • Output signal terminal OUT0/OUT1 settings: Logic switching (no/nc) and OFF delay timer (T5) for OUT1.
    • Output signal terminal OUT2 settings (AFC-20HG only): Logic switching (no/nc) and ON delay timer (T6).
    • Output signal terminal OUT3 settings: Logic switching (no/nc) for alarm output.
  • Pattern No. switching: Four patterns of voltage and frequency can be set and switched via IN2 or IN3 inputs.
  • Analog input control: The output voltage set value can be adjusted by an analog voltage signal (0-5V) connected to the B analog input connector.
  • Feedback control: The AFC-20HG model can operate with constant amplitude using a feedback sensor, automatically adjusting voltage to maintain a consistent vibration level regardless of load changes.

Maintenance Features

  • Troubleshooting guide: The manual provides a comprehensive troubleshooting section to address common issues such as indicators not turning on, lack of vibration, amplitude not increasing, frequency not adjusting, fluctuating vibration, abnormal noise, and smell. It suggests inspection items like power cable connection, output line connection, RUN/STOP button status, external operation signal, full sensor parameters, frequency adjustment, load attachment, and interference.
  • Warranty: A one-year warranty is provided after delivery, covering failures not attributable to customer modification, erroneous use, natural disasters, or non-conformity with the instruction manual. Repairs for a fee are available upon discussion.
  • Initialization: The device can be completely reset to initial values by turning on the power supply while pressing the RUN/STOP key. This feature requires users to prepare needed data in advance.
  • Safety precautions: The manual emphasizes safety with "Danger," "Warning," and "Caution" classifications. It advises against live-wire operations, use near ignitable objects, splashing water, damaging lead wires, and exceeding specified use ranges. It also recommends proper grounding, securing the product firmly, and ensuring adequate ventilation.
  • Dust-proof design: The product is not dust-proof, so installation in dusty places should be avoided.
  • Working space: A secure working space around the installation area is recommended for daily inspections and maintenance.
  • Disposal: The product should be disposed of properly as industrial waste.

BFC AFC Series Specifications

General IconGeneral
BrandBFC
ModelAFC Series
CategoryController
LanguageEnglish

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