Lathem DDC2 User Manual

Digital Display Wall Clock DDC2 / DDC4 Series Installation & User's Guide

Digital Display Wall Clock Guide Page 4 SAM0626 Kit (left) Includes: 1 - Mounting Plate Assembly 2 - Chase Nipples 4 - #10 Screws 8 - #10 Loc

Page 5 Digital Display Wall Clock Guide Configuring the DDC Series Wall Clock Setting the DIP Switches - DDC2 / DDC4 Series DDC2 Remove the four ph

Digital Display Wall Clock Guide Page 6 DIP Switch Settings Table 1 - S1 (1-5) Secondary Clock Correction 1 2 3 4 5 Secondary Clock Selectio

Page 7 Digital Display Wall Clock Guide Configuring RS485 Communications - DDC2/4-RS Series When multiple DDC2 (4)-RS Series Wall Clocks are instal

Digital Display Wall Clock Guide Page 8 When used as a RS485 clock, the master clock will send a signal to the wall clock every minute. The 9-Volt

Page 9 Digital Display Wall Clock Guide AC Return) Attach the ground wire of the cord (normally green) to the green ground screw located on the ins

Digital Display Wall Clock Guide Page 10 Replacing an Existing DDC4 Wall Clock When replacing an older style DDC4 Wall Clock it will be necessary t

Page 11 Digital Display Wall Clock Guide Mounting - DDC2 / DDC4 Series The DDC Series Wall Clocks can be mounted directly to a wall, to a single ga

Digital Display Wall Clock Guide Page 12 » Slide the lens and circuit board assembly back into the case, replace the end cap and secure with the f

Page 13 Digital Display Wall Clock Guide DDC2 Note: If mounting near a ceiling, make sure the top of the single gang box is at least 2 1/4" aw

OMNI:CHRON, mini:master, Lathem and the Lathem logo are registered trademarks of Lathem Time Corporation. Other product names mentioned in this ma

Digital Display Wall Clock Guide Page 14 » Slide the front panel display back into the case, replace the end cap and secure with the two phillips

Page 15 Digital Display Wall Clock Guide Note: The long dimension of the mounting plate must be perpendicular to the ground to assure proper alignm

Digital Display Wall Clock Guide Page 16 DDC4 (Double Mount - Wall) » Remove the two phillips head screws from the left and the right end caps of

Page 17 Digital Display Wall Clock Guide Double Mount - Ceiling Requires optional mounting kit (SAM0626) Tools required for mounting the clock: F

Digital Display Wall Clock Guide Page 18 DDC2 (Double Mount - Ceiling) Note: Make sure you have at least 10 1/2" of side clearance on one side

Page 19 Digital Display Wall Clock Guide DDC4 (Double Mount - Ceiling) Note: Make sure you have at least 16" of side clearance on one side in

Digital Display Wall Clock Guide Page 20 Setting the Time Time is set on the DDC Series Wall Clocks by depressing buttons located on the left side

Page 21 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring Appendix A - DDC2-RS / 4-RS Secondary Clock Wiring Diagrams Note: See Appendix B for DDC

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 22 3-Wire Synchronous (115VAC) OPEN12345678 Set switches 1-5 of S1 as shown. Indicates d

Page 23 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring 3-Wire Synchronous (24VAC Correction) OPEN12345678 Set switches 1-5 of S1 as shown. I

Table of Contents Introduction...

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 24 3-Wire minute Impulse (59th Minute) Wiring applies to secondary wall clocks such as: La

Page 25 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring 3-Wire Minute Impulse (59th Minute With 12 Hour Correction) BRN / WHTGRNDAC INAC RTNABCV

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 26 Standard Electric Synchronous To Other Clocks 115VAC From Master Clock OPEN12345

Page 27 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring Standard Electric AR-2A 2-Wire Dual Voltage BRN / WHTGRNDAC INAC RTNABPCYEL / WHTBLKBLK

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 28 Standard Electric AR-2 2-Wire Dual Voltage BRN / WHTGRNDAC INAC RTNABPCYEL / WHTBLKBLK

Page 29 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring Synchronous Wired To Other Clocks 115VAC From Master Clock OPEN12345678 Set swi

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 30 Simplex 59th Minute Dual Motor To Other Clocks 115VAC From Master Clock OPEN1234

Page 31 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring Simplex 45th Minute Dual Motor To Other Clocks 115VAC From Master Clock OPEN1234

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 32 Edwards Dual Motor To Other Clocks 115VAC From Master Clock OPEN12345678 Set sw

Page 33 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring Standard Electric AR-3 3-Wire Minute Impulse To Other Clocks 24VDC / 48VDC From M

DDC4 (Double Mount - Ceiling) ... 19 Setting

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 34 National Synchronous Wired To Other Clocks 115VAC From Master Clock OPEN12345678

Page 35 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring Stromberg Synchronous Wired (56th Minute) To Other Clocks 115VAC From Master Cloc

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 36 Cincinnati D1 BRN / WHTGRNDAC INAC RTNACOMMONYEL / WHTBLKBLK To Other Clocks 24VDC

Page 37 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring Cincinnati D6, Edwards 2406 ABPCYEL / WHTGRNDAC INAC RTNBLKBLKVIO / WHT To Other C

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 38 2-Wire Pulse Alternating (24VDC) OPEN123 4 5678 Set switches 1-5 of S1 as shown. Indi

Page 39 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring Electronic Coded BRN / WHTGRNDAC INAC RTNBLU / WHTBLKBLKREDGRAYWHT3510 HzReciever115VAC

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 40 Straight Frequency BRN / WHTGRNDAC INAC RTNBLU / WHTBLKBLKREDGRAYWHT3510 HzReciever115VA

Page 41 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring 3-Wire Minute Impulse (58th Minute) BRN / WHTGRNDAC INAC RTNABCVIO / WHTYEL / WHTBLKBLK

DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 42 3-Wire Minute Impulse (44th Minute) BRN / WHTGRNDAC INAC RTNABCVIO / WHTYEL / WHTBLKBLK

Page 43 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring 2-Wire Reverse Polarity Minute Impulse (59th Minute) ABPCYEL / WHTGRNDAC INAC RTNBLKBLK

As a Count Up Timer ... 52 As

DDC2 / 4-RS -24 Wiring Digital Display Wall Clock Guide Page 44 Appendix B - DDC2-RS-24 / DDC4-RS-24 Wiring The DDC2-RS-24 and the DDC4-RS-24 allow

Page 45 Digital Display Wall Clock Guide DDC2 / 4-RS -24 Wiring DDC2-RS-24 / DDC4-RS-24 Wiring HMOPEN12345678

DDC2 / 4-RS -485 Wiring Digital Display Wall Clock Guide Page 46 Appendix C - RS485 Wiring Diagrams RS485 Data Format The data string that sends th

Page 47 Digital Display Wall Clock Guide DDC2 / 4-RS -485 Wiring OMCII to DDC2-RS / 4-RS Pin Signal Signal JP4 Connection 1 Transm

DDC2 / 4-RS -485 Wiring Digital Display Wall Clock Guide Page 48 LTR0 to DDC2-RS / 4-RS Wire Signal Signal JP4 Connec

Page 49 Digital Display Wall Clock Guide DDC2 / 4-RS -485 Wiring LTR4 / 8-512 to DDC2-RS / 4-RS Terminal # Signal Signal JP4 Conne

DDC-TC Timer Control Panel Digital Display Wall Clock Guide Page 50 Appendix D - DDC-TC Timer Control Panel Wiring The DDC-TC can be connected to th

Page 51 Digital Display Wall Clock Guide DDC-TC Timer Control Panel Installation The DDC-TC mounts directly to a standard, double-gang wall box. (no

DDC-TC Timer Control Panel Digital Display Wall Clock Guide Page 52 Operation As a Count Up Timer To start the count: press Count Up To pause the c

Page 53 Digital Display Wall Clock Guide Specifications Appendix E - LTR-GPS Satellite Receiver / Clock Synchronizer Lathem’s LTR-GPS is a Global P

Warranty Digital Display Wall Clock Guide Page 54 The LTR-GPS package includes: LTR-GPS Satellite Synchronizer 115vAC, 2.7w, 50/60Hz Power Adapter

Page 55 Digital Display Wall Clock Guide Specifications Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock DDC2 -RS / DDC4 -RS

Warranty Digital Display Wall Clock Guide Page 56 Appendix F - Specifications Dimensions DDC2 4 7/8" H X 10 1/4" W X 3 1/8" D

Page 57 Digital Display Wall Clock Guide Specifications Appendix G - Warranty Limited One-Year Limited Warranty Lathem warrants the hardware produ

Page 1 Digital Display Wall Clock Guide Introduction The Digital Display Series Wall Clocks are designed with 2-inch or 4-inch red LED displays th

Digital Display Wall Clock Guide Page 2 About this Manual This manual will guide you through the installation, setup and wiring of your DDC Series

Page 3 Digital Display Wall Clock Guide Optional Accessories VSE0050 Power Cord, 6 feet. DDC Series Wall Clocks are shipped without power cords.