Lathem DDC4, DDC2 instruction

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Digital Display Wall Clock Guide

Specifications

Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock

DDC2-RS / DDC4-RS

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Lathem manual Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock

Contents

Installation & Users Guide Lathem Time Corporation Table of Contents Page Page Page Clock Operation Introduction About this Manual DDC-TC Optional AccessoriesPage Setting the DIP Switches DDC2 / DDC4 Series Configuring the DDC Series Wall Clock DIP Switch Settings Battery Usage DDC2 / DDC4 Series Configuring RS485 Communications DDC2/4-RS SeriesDDC2/4-RS / DDC2/4-RS-24 Power Cord Installation DDC2/4-RS Battery Installation DDC2 / DDC4 Series Secondary Wiring Wiring Installation DDC2/4-RS SeriesRS485 Wiring DDC-TC Wiring Replacing an Existing DDC4 Wall Clock Board Layout Diagram Mounting to a Wall Mounting DDC2 / DDC4 Series Mounting to a Single Gang Box DDC2 Double Mount Wall DDC2 Double Mount Wall DDC4 Double Mount Wall Double Mount Ceiling DDC2 Double Mount Ceiling DDC4 Double Mount Ceiling Time Formats Setting the Time Grnd Appendix a DDC2-RS / 4-RS Secondary Clock Wiring DiagramsBLK Stand-Alone 115VAC BRN / WHT BLU / WHT Wire Synchronous 115VAC Grnd BLK Wire Synchronous 24VACAC RTN BLU YEL / WHT VIO / WHT BRN / WHT Wire minute Impulse 59th Minute BLK YEL / WHT VIO / WHT BRN / WHT Wire Minute Impulse 59th Minute With 12 Hour Correction Standard Electric Synchronous BLK YEL Standard Electric AR-2A 2-Wire Dual Voltage Standard Electric AR-2 2-Wire Dual Voltage Synchronous Wired Simplex 59th Minute Dual Motor Simplex 45th Minute Dual Motor Edwards Dual Motor BLK YEL / WHT VIO / WHT BRN/ WHT Standard Electric AR-3 3-Wire Minute Impulse National Synchronous Wired Stromberg Synchronous Wired 56th Minute Cincinnati D1 Common Cincinnati D6, Edwards BLK VIO / WHT YEL / WHT VIO / WHT YEL / WHT Wire Pulse Alternating 24VDC Electronic Coded Grnd AC RTN BLK BLU Straight Frequency Wire Minute Impulse 58th Minute Wire Minute Impulse 44th Minute Wire Reverse Polarity Minute Impulse 59th Minute Appendix B DDC2-RS-24 / DDC4-RS-24 Wiring BLK BRN / WHT BLU / WHT DDC2-RS-24 / DDC4-RS-24 Wiring RS485 Data Format Appendix C RS485 Wiring Diagrams GND OMCOmcii to DDC2-RS / 4-RS LTR0 to DDC2-RS / 4-RS BLK H LTR4 / 8-512 to DDC2-RS / 4-RS Terminal # Signal JP4 Connection Wiring Appendix D DDC-TC Timer Control Panel Timer Control Installation As a Count Down Timer Operation As a Count Up Timer DWA-S Appendix E LTR-GPS Satellite Receiver / Clock SynchronizerPage Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock DDC2 / DDC4 Appendix F Specifications Limited One-Year Limited Warranty Appendix G Warranty