Graco 26C194 Bedienungsanleitung

3A5656A

Installation

HMI Replacement

Kit for PD44™

For replacing the Human Machine Interface (HMI) display on the control boxes of PD44

systems. For professional use only.

Part No. 26C194

Important Safety Instructions

Read all warnings and instructions in this

manual and in all related manuals before

using this equipment. Save all instructions.

Related Manuals

23A5656A

Contents

Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Remove and Replace the HMI . . . . . . . . . . . . . . 3

Load the PLC Software . . . . . . . . . . . . . . . . . . . . 6

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Kit 26C194 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Related Manuals

Overview

These instructions are for replacing the Human Machine

Interface (HMI) component of PD44 system control

boxes. Replacement involves removing the existing

HMI, installing spacers in the opening of the control box

front panel to accommodate the new HMI, and replacing

cables.

This kit 26C194 should be used to replace the HMI on

both the pneumatic valve and motor-driven versions of

the PD44 control boxes. Important features of this

replacement kit include:

• The new HMI is slightly different in size than the pre-

vious version so spacer angles are included in the

kit to allow for proper mounting of the HMI.

• A new DC power connector is included with the

HMI. The wiring will need to be removed from the

existing power connector and wired to the new one.

• New retaining clips are included to secure the HMI

to the control box front panel.

Contact Graco Ohio Technical Assistance at

800-746-1339 or Ohio[email protected] for additional

information or assistance with this replacement kit.

Part Description

313876 PD44 Metering Valves and Feed Systems,

Operation-Maintenance

313877 PD44 Control Box, Setup-Operation

3A0987 PD44 Metering Valves and Feed Systems,

Parts

Installation

3A5656A 3

Installation

Remove and Replace the HMI

NOTE: Record all settings (purge time values, shot

sizes, feed setup, etc.) from the existing system if possi-

ble.

1. Follow the Shutdown procedure in PD44 Metering

Valves and Feed Systems Operation-Maintenance

manual 313876.

2. Unplug the control box power cord.

3. For motor-driven PD44 control boxes, open the door

by turning the fastener a quarter turn. See Figure 1.

Then go to step 8.

4. For the pneumatic valve PD44 control box, remove

the eight button head cap screws holding the top

cover of the electric box. See Figure 2.

5. Remove the cover.

6. Loosen the fastener a quarter turn and lift the

hinged portion of the control box as shown in Figure

PRESSURIZED FLUID HAZARD

The equipment in this system stays pressurized until

pressure is manually relieved. To help prevent seri-

ous injury from pressurized fluid, such as skin injec-

tion, splashing fluid and moving parts, follow the

Pressure Relief Procedure described in PD44 Meter-

ing Valves and Feed Systems Operation-Mainte-

nance manual 313876 when you stop pumping and

before cleaning, checking or servicing the equipment.

FIG. 1: Motor Driven PD44 Control Box

CONTROL POWER

Fastener

FIG. 2: Pneumatic Valve Control Box

FIG. 3: Lift the Control Box

Remove

Remove Three

Remove

Screws on this

Side

Fastener

Installation

43A5656A

7. Disconnect the front panel from the control box by

removing the five screws shown in Figure 4. This

provides easier access to the HMI.

NOTE: For the pneumatic valve control box, place the

HMI and front panel on a flat surface for the next steps.

For the motor-driven control box, you can perform the

next steps with the HMI still in the front panel door.

8. Remove the following from the existing HMI:

- The RS-485 connector with the ribbon cable

that connects to the Programmable Logic Con-

troller (PLC).

- The DC power connection with the blue and

white wires.

- The green ground wire.

9. Loosen and remove the four HMI retaining clips and

push the HMI out through the front panel of the con-

trol box.

10. Unscrew the DC wires from the DC power connec-

tor on the old HMI.

11. Remove the DC power connector from the new HMI

and connect the wires to it. Connect the blue wire

#8, +24 VDC, on the right and the white wire (with

blue stripes) #6, DC common, in the middle as

shown in Figure 6.

FIG. 4: Disconnect the Front Panel

Remove

FIG. 5: Remove the Current HMI

NOTICE

When reconnecting the wiring, ensure that the polar-

ity is correct to prevent damage to the equipment.

FIG. 6: Connect the Cables to the HMI

Loosen Screws

and Remove

+24 VDC

Common

Ground RS-485 (COM)

Ribbon Cable

Installation

3A5656A 5

12. Add the green ground wire that you disconnected

from the old HMI to the new connector on the left.

13. Connect the RS-485 (COM) ribbon cable included in

the kit and the newly connected power cable to the

replacement HMI as shown in Figure 6.

14. Using the double sided tape, fasten the spacer

angles to the inside of the panel. See Figure 7.

NOTE: Two spacer angles fit in the left and right side of

the opening and two fit in the top and bottom. The small

ridges should be placed over the edges of the opening

and the tape should be placed along the longer, flat part

of the spacer angles. Press the spacer angles tightly

against the inside of the front panel to secure them.

15. Feed the power cable and ribbon cable through the

opening in the front panel.

16. Place the HMI into the panel and fasten it with the

four retaining clips that are included in the kit.

Tighten the screws in the retaining clips until the

HMI is secure.

NOTE: You may need to back the screws in the retain-

ing clips almost all the way out to attach the clips before

tightening them.

FIG. 7: Attach the HMI to the Front Panel

HMI

(Not included in kit. For Installation Reference Only.)

Two-sided Two Sets of

Retaining Clips

Tape Spacer Angles

Front Panel

Installation

63A5656A

17. Remove the existing ribbon cable from the PLC and

replace it with the new ribbon cable. On the pneu-

matic valve PD44 control box, there is only one

RS-485 port located below the battery as shown in

Figure 8.

NOTE: There are two ports on the motor-driven PD44

control box. Make sure you insert the connector for the

new ribbon cable in the port marked Port 1 on the left.

18. For the pneumatic valve control box, reattach the

front panel to the control box using the five screws

that were removed in step 7.

19. Replace the hinged part of the control box back onto

the base and turn the fastener a quarter turn.

Load the PLC Software

The HMI Replacement Kit includes an EEPROM to load

a revised program into the PLC to make it compatible

with the new HMI.

1. With the power still off, remove the battery from the

PLC. See Figure 8 for the location of the battery.

2. Place the new EEPROM in the battery slot.

3. Plug in the power cord and turn on the power to the

control box. The program loads 1-2 seconds after

power up.

4. Remove the EEPROM and reinsert the battery.

NOTE: The EEPROM can be used to reprogram other

PLCs if they have the new HMI.

5. Re-enter the settings that you recorded before you

started the steps to install the new HMI.

6. For the pneumatic PD44 with an LRT, you need to

recalibrate the cylinder. Refer to PD44 Control Box

Setup-Operation manual 313877 for calibration

information.

7. For the pneumatic PD44 control box, reattach the

cover using the eight button head cap screws that

were removed in step 4.

8. For the motor-driven PD44 control box, close the

door and turn the fastener a quarter turn.

FIG. 8: Ribbon Cable Connection at the PLC

SF/DIAG 00

BATTERY

RUN

STOP

123456

SF/DIAG

BATTERY

RUN

STOP

Port

Connect Here

Pneumatic PD44 Motor-driven PD44

Parts

3A5656A 7

Parts

Kit 26C194

--- Not available for individual sale.

* Not shown.

FIG. 9: HMI Replacement Kit Parts

2(x4)

4(x2) 3(x2)

Ref Part Description Quantity

1 --- CABLE, adapter, hmi replacement 1

2 --- TAPE, foam, 1/2 wide 4

3 --- SPACER, hmi, 5 inch 2

4 --- SPACER, hmi, 7 inch 2

5 17J400 DISPLAY, hmi, color, 7 in., 5070 l, w/ prog 1

6 81/1096-E1/22* CONTROL, eeprom, s7-23xx, w/prgrm, en 1

All written and visual data contained in this document reflects the latest product information available at the time of publication.

Graco reserves the right to make changes at any time without notice.

Original instructions. This manual contains English. MM 3A5656

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Japan, Korea

GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA

www.graco.com

Revision A, March 2018

Graco Information

Sealant and Adhesive Dispensing Equipment

For the latest information about Graco products, visit www.graco.com.

For patent information, see www.graco.com/patents.

TO PLACE AN ORDER, contact your Graco distributor, go to www.graco.com and select

“Where to Buy” in the top blue bar, or call to find the nearest distributor.

If calling from the US: 800-746-1334

If calling from outside the US: 0-1-330-966-3000

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