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LTR4-512
LTR8-512

LTR8-512M

Master Clock

Installation & User's Guide

Summary of Contents for LTR4-512

Page 1: ...LTR4 512 LTR8 512 LTR8 512M Master Clock Installation User s Guide...

Page 2: ...ice pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can rad...

Page 3: ...GRAM HOLIDAYS 28 B COMMUNICATIONS LTR8 512 AND LTR8 512M ONLY 29 C CHANGE PASSWORD 29 APPENDIX A SPECIFICATIONS 30 APPENDIX B DAYLIGHT SAVINGS COUNTRY CODES 31 APPENDIX C1 SECONDARY CLOCK TYPE CODES 3...

Page 4: ...on 8 with no clock correction 6 with 1 clock correction 4 with 2 clock correction 8 with no clock correction 6 with 1 clock correction 4 with 2 clock correction Certifications UL cUL FCC UL cUL FCC DO...

Page 5: ...all or hide the power supply in the floor or ceiling and hang only the display unit on the wall with optional hardware A qualified electrician who understands the electrical code in your area should i...

Page 6: ...ier removed Semi Flush Mount You can set the power supply portion of the Master into the wall See the steps below and refer to the Surface Mount drawing to semi flush mount your Master A competent ele...

Page 7: ...display unit to the back box Lift the unit up and away from the back box leaving the ribbon cable plugged in For Semi Flush mounts remove the green communications plug from the back of the display un...

Page 8: ...power cable from the back of the display unit 5 Set the display unit aside 6 Detach the display unit from the wall mount cover by removing the 4 screws on the back of the display unit IMPORTANT These...

Page 9: ...e Master on its back with the display unit facing up and the keypad to the right Remove the two screws from just above the display unit Lift the display unit up and away from you Note that two rivets...

Page 10: ...he display unit over a standard double gang 4 inch electrical box Route the other end of the 8 foot connection cable to this electrical box Place two 8 screws 12 inches apart and level inch down from...

Page 11: ...il you complete this part of the wiring do not turn on the AC power to P4 and keep the power relay unit s toggle switch turned OFF Note The LTR4 512 does not contain Terminal Block P3 Power Supply LTR...

Page 12: ...If you need to wire it for 220 240VAC change the jumper settings as shown in the drawings on page 8 TERMINAL BLOCK P4 WIRING THE LTR8 512 FOR 120VAC nom OPERATION J1 installed between 3 4 and J2 insta...

Page 13: ...external MOV s or diodes to sync a specific clock type see Appendix C1 for the wiring diagram of your type clock Appendix D shows wiring diagrams for bell circuits and communications Complete any mou...

Page 14: ...wo electro mechanical wall clock sync controls Use this setup if you will synchronize two clock types or if you have two strings of clocks typically 20 to 35 clocks to a string The steps below lead yo...

Page 15: ...sday 6 Friday 7 Saturday For example if you press 5 the display shows Press to confirm or to try again Once you press enter the time of the next upcoming minute using either 12 hour or 24 hour format...

Page 16: ...ck command 3 Make sure you enter the correct date and day because the schedules you setup depend on the accuracy of these choices 3C Enable the Relays Use Function 6 to enable any control relays that...

Page 17: ...485 SYNC ports NOTE The LTR4 512 can only synchronize one type of secondary system Start this function by pressing 2 Enter the 2 digit code for CLOCK CIRCUIT 1 then press If you entered a code other t...

Page 18: ...the Auto Bell Test When you enter this code ignore anything that displays on the screen Use Function 6 to disable any relays that you do not want to use in your testing Once you finish testing make s...

Page 19: ...ications You must enter these same settings for your LTR8 512 in the LTR MasterLink software Congratulations You have finished the basic setup of your LTRx 512 Master Basic Setup is Complete All of th...

Page 20: ...word In particular most Users will want to execute the following steps Enter their User Password Function 0 Program Bell Schedules Function 4 and Make at least one Bell Schedule Active Function 8 User...

Page 21: ...code and the clock types you have chosen Quick Check Command 1 Edit Keys Any time you see the time and date you can press 1 to see the edit key descriptions You can use the edit keys to program Bell S...

Page 22: ...Circuits 7 Daylight Savings and B Communications The default user password is 000000 See Function C Change Password to learn how to change your user password You cannot change the administrator passw...

Page 23: ...the time will display in 24 hour format to confirm your entry Press the key at the top 00 seconds of the new minute to accept If the time or date is not correct press to cancel and try again The displ...

Page 24: ...512 or LTR8 512M you will see Enter the code for CLOCK2 or 0 0 if you will not use a CLOCK2 then press PRESS IF CORRECT Enter to confirm or to cancel and try again 3 Manual Bell Control This function...

Page 25: ...ontinuity of your bell wiring circuits Use the hidden code 2355878 BELLTST to start the Auto Bell Test While entering this code ignore anything that displays on the screen Use Function 6 to disable an...

Page 26: ...ou can view events You can use these scan keys Scan Key Description 9 1ST Go to the 1st event in ascending time order 3 PRV View the previous event NXT View the next event EXIT End and exit When you c...

Page 27: ...enter a time earlier than 13 00 1 00 PM then press 1 to change PM to AM The menu will ask for the bell length SECONDS ON Enter how many seconds this event lasts The bell length shows 3 seconds or 5 se...

Page 28: ...5 and earlier For Firmware version 4 06 and later After making your choice you will see Enter the date and time then press the schedule number 1 8 for each schedule to activate at that date and time Y...

Page 29: ...you can choose code 00 and use the optional LTR MasterLink software to program when the clock adjustments should occur 8 Change Active Schedule Use this function to run a schedule that you setup in fu...

Page 30: ...ADVANCE CLK1 Press 2 to turn on or off this display you will see this option only if your clock is setup for 2 Clock Systems ADVANCE CLK2 After choosing which clock circuits to sync press If your clo...

Page 31: ...y 3 Select SMTWTFSH for an event to occur every day even on holidays You cannot choose function A directly To start the Program Holidays function enter your password 0 then press 9 0 Use 1 to enter ne...

Page 32: ...mand when the LTR8 512 is in Clock Mode C Change Password Use this function to change the default user password 000000 to a unique 6 digit number to prevent unauthorized access to the LTRx 512 s progr...

Page 33: ...in See Appendix B One 1 of twenty four 24 types plus Lathem DDC4R synchronization built in on the LTR4 512 Bell Zones and Schedules Up to eight 8 zones less two 2 for each electro mechanical secondar...

Page 34: ...AKHSTAN 02 UKRAINE 02 CYPRUS 02 KURGYZSTAN 02 UNITED KINGDOM 02 CZECH REP 02 LATVIA 02 UNITED STATES 08 DENMARK 02 LEBANON 02 VATICAN CITY 02 EASTER ISLAND 02 LIECHTENSTEIN 02 YUGOSLAVIA FED 02 EGYPT...

Page 35: ...0 9075 34 02 SIMPLEX 6310 9321 34 02 STANDARD IMPULSE 34 02 STROMBERG IMPULS 34 02 LATHEM ISC 2W 34 02 CINCINNATID34 34 Type Description Page 03 STANDARD EL SYNCH 36 03 AMR T S X55BHGA801 35 04 STANDA...

Page 36: ...NG SECONDARY CLOCKS TYPE 01 SYNCHRONOUS WIRED TYPES INCLUDE Lathem Type SS Wall Clocks Cincinnati D10 115VAC D12 24VAC IBM 77 Series Simplex77 Series 93 9 91 9 941 9 943 9 6310 9231 Stromberg 3000 All...

Page 37: ...PULSE 59TH MIN TYPES INCLUDE Lathem Type ISC 3 Wire Cincinnati D2 D4 Edwards Impulse Faraday Impulse IBM 75 Series Simplex74 Series 91 4 93 4 941 4 943 4 6310 9075 6310 9231 Standard Impulse Stromberg...

Page 38: ...E REVERSE POLARITY MINUTE IMPULSE 59TH MIN TYPES INCLUDE Lathem Type ISC 2 Wire Cincinnati D3 Using PS8 2412 Power Supply Using PS8 24 Power Supply Green and Black Wires in Clock Cable are unused All...

Page 39: ...iring Diagrams 36 TYPE 03 STANDARD ELECTRIC SYNCHRONOUS Old Style Dual Motor AMERICAN TIME SIGNAL X55BHGA801 All circuits should be fused or protected by a circuit breaker 10Amp maximum Note For New S...

Page 40: ...TYPE 04 STANDARD ELECTRIC TIME AR 2A TWO WIRE DUAL VOLTAGE All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 05 THREE WIRE MINUTE IMPULSE 58TH MIN All circuits should...

Page 41: ...p maximum TYPE 07 DUKANE 24F200 DIGITAL CLOCKS All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 08 RAULAND 2410 DIGITAL CLOCKS 24VAC and 115VAC NOTE THIS SELECTION IS...

Page 42: ...E All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 09 SIMPLEX 59TH MINUTE DUAL MOTOR TYPE 10 SIMPLEX 45TH MINUTE DUAL MOTOR TYPE 27 SIMPLEX 2310 DUAL MOTOR Same hourly...

Page 43: ...uide Wiring Diagrams 40 TYPE 11 EDWARDS DUAL MOTOR All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 12 CINCINNATI D6 CLOCKS All circuits should be fused or protected b...

Page 44: ...rns on from 5 57 54 to 5 57 08 applying a 14 second 12 hour correction generator signal onto the 120 VAC For daylight savings the clocks advance to the proper time by normal 12 hour correction not at...

Page 45: ...M 00 H MM 05 Bell Ckt 2 H MM 05 H MM 10 Bell Ckt 3 H MM 10 H MM 15 Bell Ckt 4 H MM 15 H MM 20 Bell Ckt 5 H MM 20 H MM 25 Bell Ckt 6 H MM 25 H MM 30 SK2 Hourly Correction H 57 54 H 58 02 12 Hour Correc...

Page 46: ...IMPULSE 59 MIN WITH 12 HOUR CORRECTION SAME WIRING AS FOR TYPE 02 2 WIRE __________________________________________________________________________________ TYPE 17 STANDARD ELECTRIC TIME AR 2 TWO WIR...

Page 47: ...10Amp maximum TYPE 19 STROMBERG SYNCHRONOUS WIRED TYPES INCLUDE Stromberg Synchronous Lathem Type SS Wall Clocks modified NOTE Lathem type SS wall clocks can run according to the above signal operatio...

Page 48: ...Wiring Diagrams 45 TYPE 20 THREE WIRE MINUTE IMPULSE 44TH MIN All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 21 CINCINNATI D1 All circuits should be fused or protec...

Page 49: ...d be fused or protected by a circuit breaker 10Amp maximum TYPE 23 CONDOR DIGITAL CLOCKS Model 2412 TYPES INCLUDE Condor 2412 If the digital clocks lose sync with the LTRx 512 then you can use functio...

Page 50: ...l 2422 TYPES INCLUDE Rauland 2422 If the digital clocks lose sync with the LTRx 512 then you can use function 9 SYNC CLOCKS to re sync them All circuits should be fused or protected by a circuit break...

Page 51: ...ring Diagrams 48 TYPE 23 CONDOR DIGITAL CLOCKS BAR AC 4412 If the digital clocks lose sync with the LTRx 512 then you can use function 9 SYNC CLOCKS to re sync them All circuits should be fused or pro...

Page 52: ...LTRx 512 Installation and User s Guide Wiring Diagrams 49 TYPE 24 EDWARDS SYNCHRONOUS WIRED CLOCKS TYPE E1 All circuits should be fused or protected by a circuit breaker 10Amp maximum...

Page 53: ...WER BELLS ETC Fig D1 TERMINAL BLOCK P4 WIRING THE LTRx 512 FOR 120VAC nom OPERATION All circuits should be fused or protected by a circuit breaker 10Amp maximum WIRING THE LTRx 512 FOR 220 240VAC nom...

Page 54: ...LTRx 512 Installation and User s Guide Wiring Diagrams 51 Fig D2 TYPICAL SIGNAL DEVICE WIRING All circuits should be fused or protected by a circuit breaker 10Amp maximum...

Page 55: ...n and User s Guide Wiring Diagrams 52 Fig D3 COMPUTER CABLE For Front Access Port LTR8 512 and LTR8 512M Only Fig D4 RS 232 CABLE for permanent connection to the Communications Terminal Block LTR8 512...

Page 56: ...ore than 60 DSDs are to be connected another Master Clock will have to be used as a Booster Fig D6 LTRx 512 USED AS SLAVE TO ALLOW 30 EXTRA RS 485 TIME SYNC DEVICES MASTER CLOCK 1 2 3 4 5 10 11 12 13...

Page 57: ...uses Master to reset time to 12 00AM of nearest date 3 Grounds GND are signal grounds not chassis grounds 4 Load on non regulated 12VAC output must be less than 250mA 5 For DDC4R communications the LT...

Page 58: ...232 Three terminal block contacts for RS 232 communications with an IBM compatible computer running LTR MasterLink software for easy system setup RS 485 Terminal block pair for RS 485 communications...

Page 59: ...CKT8 which are indicated related to the LEDs on the Display Unit numbered 1 4 2 MOV s Metal Oxide Varistors protect all relay contacts 3 Voltage select jumpers connect to terminal block P4 for 120VAC...

Page 60: ...have the cover pull free 4 Locate the large rectangular hole in the circuit board just to the right of the display 5 Carefully insert the modem into the sockets on each side of the opening The modem...

Page 61: ...eformats the received satellite data and offers multiple synchronization protocol outputs including a capability to synchronize LTRx 512 Master Clocks to this highly accurate Atomic reference Simple D...

Page 62: ...matics 59 APPENDIX G POWER SUPPLY SCHEMATICS LTR8 512 LTR8 512M LTR4 512 C3 C4 C5 D11 D10 D9 D12 K1 K2 K3 K4 K6 K7 K8 K5 VMM7086 REV D C 2000 LATHEM TIME CORP D3 D4 D5 D6 C3 C4 C5 D11 D10 D9 D12 K6 K7...

Page 63: ...2345678 START HH MM DUR SS REC No DAYS SMSTWTFSH CIRCUITS 12345678 START HH MM DUR SS Ex MTWTF 1234 08 00 5 Ex MTWTF 1234 08 00 5 01 33 02 34 03 35 04 36 05 37 06 38 07 39 08 40 09 41 10 42 11 43 12 4...

Page 64: ...ULE CHANGE DATES PROGRAMMING CHART DATE ____ ____ ____ REC DATE TIME SCHEDULES NO MM DD YY HH MM 12345678 COMMENTS Ex 06 02 10 07 00 2345 Shortened Schedule 01 02 03 04 05 06 07 08 09 10 11 12 13 14 1...

Page 65: ...Guide Programming Charts 62 HOLIDAYS SETUP CHART DATE ____ ____ ____ RECORD DATE NO MM DD YY COMMENTS Ex 07 04 10 Independence Day 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 COPY THIS PAGE TO US...

Page 66: ...a defective Lathem Modem product This equipment may not be used on public coin service provided by the Telephone Company Connection to party lines is subject to state tariffs Contact your state public...

Page 67: ...d in its original carton or equivalent fully insured with shipping charges prepaid Lathem will not assume any responsibility for any loss or damage incurred in shipping 6 WARRANTY DISCLAIMER AND LIMIT...

Page 68: ...Circuits 26 Function 7 Daylight Savings 26 Function 8 Change Schedule 26 Function 9 Sync Clocks 27 Function A Program Holidays 28 Function B Communications 29 Function B Communications 16 Function C...

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