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Lathem 24A715, 24A715M manual 84

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Notes

D-2	24A715/24A715M Master Clock Installation Manual

Contents

Master Time/Program Clock Page NOTICE FCC COMPLIANCE STATEMENT FOR UNITS EQUIPPED WITH AN INTERNAL MODEM (24A715M) SUPPLIER’S DECLARATION OF CONFORMITY A NOTE ABOUT THE LITHIUM BATTERY Page Page SECTION 1—INSTALLATION SECTION 2—CONFIGURATION SECTION 3—FUNCTIONLIST APPENDIX A—DAYLIGHTSAVING COUNTRY CODES APPENDIX B—SECONDARYCLOCK TYPES APPENDIX C—WIRINGDIAGRAMS APPENDIX D — POWER SUPPLY SCHEMATIC FIGURES TABLES General Information Parts List Mounting the Master Clock Surface Mounting Semi-FlushMounting Using the Installer’s Hooks to Hang the Display Below the Backbox Rack Mounting Page Wiring the Master Clock Page Synchronizing Non-CompatibleClocks by External Pulse Setting Up the Master Clock Programming Functions Setting the Date and Time Enabling the Relays Choosing the Clock Types to Synchronize Manually Activating Bell Controls Testing the Bells Setting Daylight Saving Time Setting Communications Securing the Setup Notes Introduction Quick Commands [3] 12/24 HOUR TOGGLE Programming Commands [3]=MANUAL BELL CTRL [4]=PROGRAM SCHEDULE [5]=SCHEDULE CHANGES [6]=ENABLE CIRCUITS [7]=DAYLIGHT SAVINGS [8]=CHANGE SCHEDULES [9]=SYNCH. CLOCKS [A]=PROGRAM HOLIDAYS [B]=COMMUNICATIONS [C]=CHANGE PASSWORD AUTO BELL TEST Appendix A Daylight Saving Country Codes Page Appendix B Secondary Clock Types Wiring Secondary Clocks Page TYPE 02—Three-WireMinute Impulse (59th Minute) TYPE 02—Two-WireReverse Polarity Minute Impulse (59th Minute) TYPE 03—StandardElectric Synchronous TYPE 04—StandardElectric Time AR-2A Two-Wire,Dual Voltage TYPE 05—Three-WireMinute Impulse (58th Minute) TYPE 06—SynchronousWired TYPE 07—DukaneDigital Clocks Page TYPE 08—Rauland2410 Digital Clocks (24Vac and 120Vac) Page TYPE 09—Simplex59th Minute, Dual Motor TYPE 10—Simplex45th Minute, Dual Motor TYPE 11—EdwardsDual Motor TYPE 12—CincinnatiD6 Clocks TYPE 13—Two-WirePulse Alternating (24Vdc) TYPE 14—ElectronicCoded Clocks Page TYPE 15—StraightFrequency TYPE 16—Three-WireMinute Impulse (59th Minute) with 12-HourCorrection Page TYPE 17—StandardElectric Time AR-3 Three-WireImpulse TYPE 18—NationalSynchronous Wired TYPE 19—StrombergSynchronous Wired (56th Minute) TYPE 20—Three-WireMinute Impulse (44th Minute) TYPE 21—CincinnatiD1 TYPE 22—DukaneSynchronous Wired (24A Series, Obsolete) TYPE 23—CondorDigital Clocks (Model 2412) TYPE 24—EdwardsSynchronous Wired Clocks, Type E1 TYPE 27—Simplex2310 Dual Motor Types 28, 29, and Page Wiring Diagrams List Wiring the Master Clock for 120Vac or 220/240Vac Wiring Signal Devices to the Master Clock Wiring the Communications Terminal Block Wiring the DDC4R Communications Terminals Page Wiring the 12 Volt AC Out Terminals Strain Relief for the Communications Cable Connecting a Computer to the Front Access Port Appendix D Power Supply Schematic