Lathem LTR-512 manual - page 4

[4] = Program Schedules..........................................................................................................18
[5] = Schedule Changes............................................................................................................19
[6] = Enable or Disable Circuits..............................................................................................19
[7] = Daylight Savings Time....................................................................................................19
[8] = Change Schedule.............................................................................................................19
[9] = Sync Clocks.....................................................................................................................20
[A] = Program Holidays..........................................................................................................20
[B] = Communications (LTR8-512 and LTR8-512M Only)..................................................20
[C] = Change Password...........................................................................................................20
[D] = Time Calibration (Available with Firmware Version 5.02).. .................... ................... 21
Auto Bell Test..........................................................................................................................22
APPENDIX A - SPECIFICATIONS 23
APPENDIX B – DAYLIGHT SAVINGS COUNTRY CODES 24
APPENDIX C - SECONDARY CLOCK TYPE CODES 25
WIRING SECONDARY CLOCKS........................................................................................26
APPENDIX D - WIRING DIAGRAMS 42
Fig. D1 - TERMINAL BLOCK ‘P4’.......................................................................................42
WIRING THE LTRx-512 FOR 120VAC (nom.) OPERATION.......................................... 42
WIRING THE LTRx-512 FOR 220/240VAC (nom.) OPERATION....................................42
Fig. D2 - TYPICAL SIGNAL DEVICE WIRING...................................................................43
Fig. D3 - COMPUTER CABLE..............................................................................................43
Fig. D3 - COMPUTER CABLE..............................................................................................44
Fig. D4 - RS-232 CABLE........................................................................................................44
Fig. D5 - SYNCHING UP TO 60 RS-485 TIME SYNC DEVICES.......................................45
Fig. D6 - LTRx-512 USED AS SLAVE TO ALLOW 30 EXTRA RS-485.. ..................... ......45
Fig. D7 – COMMUNICATION TERMINAL BLOCK..........................................................46
Fig. D8 - POWER SUPPLY TERMINAL BLOCKS.............................................................48
APPENDIX E – INSTALL THE OPTIONAL MODEM 49
APPENDIX F – C ONNECTING THE LTR-RSS ( R EMOTE S CHEDULE S ELECTOR ) 50
APPENDIX G – C ONNECTING THE LTR-GPS ( S ATELLITE R ECEIVER / S YNCHRONIZER ) 54
APPENDIX H – POWER SUPPLY SCHEMATICS 55