Graco PD44 Manuale di istruzioni

Setup - Operation

PD44

Control Box

Meter, mix, and dispense system for precise two-component micro-dispensing of sealants

and adhesives. Not for use in explosive atmospheres.

Important Safety Instructions

Read all warnings and instructions in this

manual before using the equipment.

Save these instructions.

CC1032

Contents

Related manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Components Identification . . . . . . . . . . . . . . . . . . . 5

Control Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

PD44 Dispense Valve . . . . . . . . . . . . . . . . . . . . . 6

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Setup and Startup. . . . . . . . . . . . . . . . . . . . . . . . . . . 7

HMI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Screen Navigation Diagrams . . . . . . . . . . . . . . . . 8

Automatic operation main screen . . . . . . . . . . . . 9

Automatic operation signal screen . . . . . . . . . . . 10

Automatic operation external signal screen . . . . 10

System main screen . . . . . . . . . . . . . . . . . . . . . 10

Manual operation screen . . . . . . . . . . . . . . . . . . 11

Setup screen . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Pressure Relief Procedure. . . . . . . . . . . . . . . . . . . 15

Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Technical Specifications . . . . . . . . . . . . . . . . . . . . 19

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 20

Related manuals

Models

Manual Description

313876 PD44 Dispense Valve Operation - Parts

306565 Air-Driven, Stainless Steel Agitators

307043 Monark® Air Motor

308116 Severe-Duty, UHMWPE/PTFE or PTFE

Packed Stainless Steel Pumps

308167 Low Volume Air Regulators

308168 High Volume Air Regulators

308169 Air Filters, Lubricators and Kits

309306 Air-Operated Husky™ Diaphragm Pumps

312376 Stainless Steel Agitator Kit

313526 Check-Mate® Pump Packages

406088 Check-Mate® Ram Packages

PD44 Control Box Type Supply Voltage

Servo 110 VAC ± 10%, 50/60 Hz or

220 VAC ± 10%, 50/60 Hz

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The

exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks.

When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.

Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this

manual where applicable.

WARNING

TOXIC FLUID OR FUMES HAZARD

Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or

swallowed.

• Read Safety Data Sheets (SDSs) to know the specific hazards of the fluids you are using.

• Route exhaust away from work area. If diaphragm ruptures, fluid may be exhausted into the air.

• Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.

PERSONAL PROTECTIVE EQUIPMENT

Wear appropriate protective equipment when in the work area to help prevent serious injury, including

eye injury, hearing loss, inhalation of toxic fumes, and burns. Protective equipment includes but is not

limited to:

• Protective eyewear, and hearing protection.

• Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer.

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. Paint or

solvent flowing through the equipment can cause static sparking. To help prevent fire and explosion:

• Use equipment only in well-ventilated area.

• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop

cloths (potential static sparking).

• Ground all equipment in the work area. See Grounding instructions.

• Never spray or flush solvent at high pressure.

• Keep work area free of debris, including solvent, rags and gasoline.

• Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes

are present.

• Use only grounded hoses.

• Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless they

are anti-static or conductive.

•Stop operation immediately if static sparking occurs or you feel a shock. Do not use equipment until

you identify and correct the problem.

• Keep a working fire extinguisher in the work area.

ELECTRIC SHOCK HAZARD

This equipment must be grounded. Improper grounding, setup, or usage of the system can cause

electric shock.

• Turn off and disconnect power at main switch before disconnecting any cables and before servicing

or installing equipment.

• Connect only to grounded power source.

• All electrical wiring must be done by a qualified electrician and comply with all local codes and

regulations.

PRESSURIZED EQUIPMENT HAZARD

Fluid from the equipment, leaks, or ruptured components can splash in the eyes or on skin and cause

serious injury.

• Follow the Pressure Relief Procedure when you stop spraying/dispensing and before cleaning,

checking, or servicing equipment.

• Tighten all fluid connections before operating the equipment.

• Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when fatigued or under the influence of drugs or alcohol.

• Do not exceed the maximum working pressure or temperature rating of the lowest rated system

component. See Technical Specifications in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical

Specifications in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For

complete information about your material, request Safety Data Sheets (SDSs) from distributor or

retailer.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine

manufacturer’s replacement parts only.

• Do not alter or modify equipment. Alterations or modifications may void agency approvals and create

safety hazards.

• Make sure all equipment is rated and approved for the environment in which you are using it.

• Use equipment only for its intended purpose. Call your distributor for information.

• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

• Do not kink or over bend hoses or use hoses to pull equipment.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

PLASTIC PARTS CLEANING SOLVENT HAZARD

Many cleaning solvents can degrade plastic parts and cause them to fail, which could cause serious

injury or property damage.

• Use only compatible solvents to clean plastic structural or pressure-containing parts.

•See Technical Specifications in all equipment manuals for materials of construction. Consult the

solvent manufacturer for information and recommendations about compatibility.

WARNING

Components Identification

Control Box

Key:

A Display

B Emergency Stop Switch

C Remote I/O connection

D Sensor, Solenoid valve connection

E A material connection

F Foot Switch connection

G B material connection

H Servo power connection

J Remote Ethernet connection

K Servo encoder connection

L Power assembly

M Cooling Fan

FIG. 1: PD44 Control Box

CEL

DFHK M

Components Identification

PD44 Dispense Valve

See PD44 Operation manual 313876 for detailed

dispense valve components identification and

instructions.

FIG. 2 PD44 Servo Dispense Valve

Grounding

Grounding plug: this product is equipped with a cord

having a grounding wire with an appropriate grounding

plug. The plug must be plugged into an outlet that is

properly installed and grounded in accordance with all

local codes and ordinances.

Hard-wires units: ground wire must be used.All

electrical wiring must be done by a qualified electrician

and comply with all local codes and regulations.

Air and fluid hoses: use only electrically conductive

hoses to ensure grounding continuity.

Fluid supply container: follow local code.

Solvent pails used when flushing: follow local code.

Use only conductive metal pails, placed on a grounded

surface. Do not place the pail on a nonconductive

surface, such as paper or cardboard, which interrupts

grounding continuity.

Setup and Startup

1. Use cable to connect remote I/O, sensor, servo

motor and Control Box correctly.

2. Connect power line and Control Box.

3. Adjust the pressure regulating valve so that the air

pressure provided by the customer is at least 80 psi

(0.6 MPa, 6 bar), and no higher than 100 psi (0.7

MPa, 7 bar).

4. Press “Power” button.

The equipment must be grounded to reduce the risk

of static sparking and electric shock. Electric or static

sparking can cause fumes to ignite or explode.

Improper grounding can cause electric shock.

Grounding provides an escape wire for the electric

current.

HMI Operation

Screen Navigation Diagrams

Automatic operation

main screen

(see page 9)

Automatic operation

signal screen

(see page 10)

Manual operation screen

(see page 11)

Advanced setup screen - 1

(see page 13)

System main screen

(see page 10)

Advanced setup screen - 3

(see page 14)

Style setup screen

(see page 12)

System setup screen

(see page 12)

Purge setup screen

(see page 13)

Automatic operation

external signal screen

(see page 10)

Advanced setup screen - 2

(see page 14)

Start

HMI Operation

Automatic operation main

screen

When the control box is powered on, the system

automatically enter into the main screen of automatic

operation.

1. Control mode selection

• Shot mode: the system according to the selected

style of the specified dispensing volume and flow

rate, to complete the dispensing. In this mode, the

master station only needs to send out the start

signal of more than 200 ms, and the system

automatically starts to dispense, and automatically

closes the dispense valve after completing the

target dispensing volume.

• Bead mode: the system according to the selected

style of the specified dispensing flow rate, to

complete the dispensing. In this mode, the master

station needs to maintain the start signal until the

dispensing is completed.

Note: The operating mode cannot be switched during

the dispensing process of the system.

2. Style settings and specified shot size and shot rate

• The style setting modes includes two modes:

external signal control mode and local operation

panel control mode. The style setting mode is

specified in the advanced settings of the parameter

setting screen.The system provides 0-7, a total of 8

groups of style settings. The external control system

or the operator can choose different style settings

according to the process requirements.

• The system will display the shot size and shot rate

of the selected style in this area.

3. Progress bar and actual dispense volume

• Shot mode: the progress bar displays the

completion of the current target, and displays the

current dispensing volume.

• Bead mode: the progress bar always displays

100%. The current dispensing volume is the same

as the target dispensing volume.

4. Current status display

• Standby means that the system is not doing any

work, there is no failure or alarm.

• In dispense means that the system is in the process

of dispensing.

• In reload means that the system is in the process of

reloading.

• In purge means that the system is in the process of

purging.

5. ‘Home’ button

Return to the Home point command button. When this

button is pressed, the system must be inactive.After

pressing the button to start the Home operation, the

button will blink until the rod returns to the Home point,

and then the button will remain on until the next

operation is started.

6. ‘Extend’ button

The Extend operation is used to immerse the metering

rod fully into the chamber before the system stops in

use for a long time.The Extend button operates basically

the same as the Home button.

FIG. 3 Automatic operation main screen

HMI Operation

Automatic operation signal

screen

In the automatic operation main screen, press the right

arrow button to enter the signal screen.The content and

functions of this screen are as follows:

1. Display the status of the detection sensor at each

position of the servo valve, on or off.

2. Display the current motor position information by

steps.

3. Servo alarm and reset.

4. If the system has set the alarm time and purging

volume, the remaining time of purging timer will be

displayed.

Automatic operation external

signal screen

In the automatic operation main screen, press the right

arrow button to enter the signal screen. This screen is

used for real-time display of the interaction between the

system signals and the external signals.

System main screen

In the automatic operation main screen, press the

button to enter the system main screen. In this screen,

the operator can switch the system to automatic

operation mode, manual operation mode or parameter

setting mode, in which the parameter setting mode is

protected by password.

FIG. 4 Automatic operation signal screen FIG. 5 Automatic operation external signal screen

FIG. 6 System main screen

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