Honeywell UDC2500 User manual

January 2017 51-52-33-137 1

Replacement Printed Wiring Boards

Instruction Sheet for UDC2500 and UDC3200

Universal Digital Controllers

Document No: 51-52-33-137

Effective Date: January 2017

Supersedes: March 2010

Kit Contents:

This kit contains one of the following replacement Printed Wiring Boards:

UDC2500 MCU/Input Board –Part No. 51452801-503

UDC2500 Limit Controller MCU/Input Board –Part No. 51452801-504

UDC2500 Display/Keyboard –Part No. 51452758-501

UDC3200 MCU/Input Board –Part No. 51452819-501

UDC3200 Display/Keyboard –Part No. 51452845-501

UDC3200 Optional Input Board –Part No. 51452825-501

UDC2500/3200 Power 90-264Vac Board –Part No. 51452822-502

UDC2500/3200 Power 24Vac/dc Board –Part No. 51452822-503

UDC2500/3200 Aux Out/Dig Inp/RS-485 –Part No. 51452809-501

UDC2500/3200 Aux Out/Dig Inp/RS-485 –Part No. 51452810-501

UDC2500/3200 Aux Out/Dig Inp/Ethernet–Part No. 51452816-501

UDC2500/3200 Current Output Board –Part No. 51452804-501

UDC2500/3200 Dual Relay Board –Part No. 51452807-501

UDC Controller Keypad Button Guide Kit –Part No. 50133058-501

Equipment needed:

Small flat-bladed screwdriver

Small needle-nose pliers

January 2017 51-52-33-137 2

Procedures:

The procedure tables that follow list the steps required to replace the old Printed Wiring Board in

your controller with the one supplied in this kit.

Table 1: How to Remove the Chassis

Step

Action

Remove any screws in the front face.

Insert a flat-bladed screwdriver into the tabs of the case as shown in

Figure 1 and pry chassis forward slightly until the chassis connectors

separate from the back of the case.

Grasp the bezel and pull the chassis out of the case.

Figure 1: Chassis Removal

Using a thin screwdriver, gently pry the side tabs from the front face and twist the screwdriver

slightly to disengage the front. Pry just enough to release it, otherwise you’ll bend or break

the tab. If you break or bend the tab and can’t reattach the front securely, you’ll need to reattach

the front using the 4 NEMA4 screws provided.

Insert thin screwdriver under

tabs and gently pry the tab and

twist slightly to disengage front.

January 2017 51-52-33-137 3

Table 2: Board Identification

Step

Action

Note the location of the various boards inside the instrument.

Match up the replacement board in this kit with the one inside the

instrument so that you become familiar with where it goes.

Figure 2: Board Identification

Power / Output Bd.

Auxiliary Output / Digital Input /

Communication Bd.

MCU / Inputs / Output Bd.

Output Bd.

Option Input Bd.

Display/Keyboard

Wires on J8

January 2017 51-52-33-137 4

Table 3: How to Remove the Printed Wiring Boards from the Chassis

Step

Action

Remove the chassis from the case as shown in Figure 1.

Find J8 in Figure 2. Remove all wire connectors from J8 by sliding a small screwdriver

under each connector and lift the release.

Separate the chassis frame at the release points shown in Figure 3 and ease each

printed wiring board out of its socket on the display/keyboard assembly. Pull all boards

out of the chassis.

Lay the boards flat on a static-free surface. If the Display/Keyboard is to be replaced, go

to Table 4. If the Display/Keyboard is not being replaced, go to Table 5.

Figure 3: Removing Printed Circuit Boards

Release points (top and bottom)

January 2017 51-52-33-137 5

Table 4: How to Remove the Display/Keyboard from the Chassis

Step

Action

Remove the chassis from the case as shown in Figure 1.

Remove the Boards from the chassis as shown in Figure 3.

The Display/Keyboard is held in place by four slots in the Chassis as shown in Figure 4.

Using a small flat-blade screwdriver, lift up the two top slots one at a time while pulling

on the Display/Keyboard until it comes out of the slots. Rotate the Display/Keyboard

downwards until it can be pulled out of the bottom two slots.

4 Slots

Top of Display

Bottom of Display

Figure 4: Removing Display/Keyboard

Table 5: Board Replacement Procedure

Step

Action

Remove the chassis from the case. (Figure 1)

Remove the printed wiring boards from the chassis. (Figure 3 and Figure 4)

Lay the boards flat and identify the board you are replacing. (Figure 2)

If present, the Output option board and the Option Input Board are held onto the

MCU/Input board with three posts. Locate these posts under the MCU/Input board.

Use small pliers and squeeze the ends of each post together and push it up through the

board.

Replace the board with the one from this kit. If the white ground lead on the old board

has a ferrite sleeve on it, remove the sleeve and place it onto the ground lead on the

new board.

Reinstall the Output Option and Option Input boards.

January 2017 51-52-33-137 6

Reinstall the Aux.Out/DI/Communications board, if present, onto the MCU/Input board

and install these as a unit into the Chassis. Make sure the connections to the

Display/Keyboard assembly are made and that the release points on the chassis snap

into place on the printed wiring boards. If the boards are not properly inserted, then the

Chassis will not slide into the Case properly.

Reinstall the wires onto the J8 connectors.

Slide the printed wiring boards back into the chassis. Make sure the connections to the

display/keyboard assembly are made and that the release points on the chassis snap

into place on the printed wiring boards.

Reinstall the chassis into the case. Push in hard until the case tabs lock onto the

chassis, then replace the screws, if present.

Table 6: Display / Keyboard Replacement Procedure

Step

Action

Remove the chassis from the case. (Figure 1)

Remove the printed wiring boards from the chassis. (Figure 3 and Figure 4)

Refer to Figure 4, Removing The Display/Keyboard. Insert the bottom of the

Display/Keyboard into the bottom two slots of the Chassis. Now, push the top of the

Display/Keyboard until it snaps into the upper two slots. Make certain that the tabs on

the Display/Keyboard are fully inserted into the slots on the chassis.

Reassemble the other boards as described in Table 4.

Table 7: Ethernet MAC and IP Address Information

Step

Action

The MAC Address is printed on a label attached to the spare board. This is a unique

value for each board.

The IP address for all spare boards is set to 10.0.0.2 as shipped from the Factory.

January 2017 51-52-33-137 7

Installation of the 50133058-501, UDC Controller Keypad Button Guide

Kit

Step Action

Remove the chassis from the case.

Remove the printed wiring boards from the chassis.

Remove the Display/Keyboard.

Insert the button guide over the protruding bezel rubber keypads, aligning with the six

bezel tabs as shown in above Figure.

Reassemble the Display/Keyboard and the other printed wiring boards.

Reinstall the chassis into the case. Push in hard until the case tabs lock onto the

chassis, then replace the screws if present.

For more information

To learn more about Controllers,

visit www.honeywellprocess.com

Or contact your Honeywell Account Manager

Process Solutions

Honeywell

1250 W Sam Houston Pkwy S

Houston, USA, TX 77042

Honeywell Control Systems Ltd

Honeywell House, Skimped Hill Lane

Bracknell, England, RG12 1EB

51-52-33-137

January 2017

2017 Honeywell International Inc.

Shanghai City Centre, 100 Jungi Road

Shanghai, China 20061

www.honeywellprocess.com

Sales and Service

For application assistance, current specifications, pricing, or name of the nearest Authorized Distributor, contact one

of the offices below.

ASIA PACIFIC

Honeywell Process Solutions,

Phone: + 800 12026455 or

+44 (0) 1202645583

(TAC) hfs-tac-

support@honeywell.com

Australia

Honeywell Limited

Phone: +(61) 7-3846 1255

FAX: +(61) 7-3840 6481

Toll Free 1300-36-39-36

Toll Free Fax:

1300-36-04-70

China –PRC - Shanghai

Honeywell China Inc.

Phone: (86-21) 5257-4568

Fax: (86-21) 6237-2826

Singapore

Honeywell Pte Ltd.

Phone: +(65) 6580 3278

Fax: +(65) 6445-3033

South Korea

Honeywell Korea Co Ltd

Phone: +(822) 799 6114

Fax: +(822) 792 9015

EMEA

Honeywell Process Solutions,

Phone: + 800 12026455 or

+44 (0) 1202645583

Email: (Sales)

FP-Sales-A[email protected]

(TAC)

hfs-tac-support@honeywell.com

AMERICAS

Honeywell Process Solutions,

Phone: (TAC) (800) 423-9883

or (215) 641-3610

(Sales) 1-800-343-0228

Email: (Sales)

FP-Sales-A[email protected]

(TAC)

hfs-tac-support@honeywell.com

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