Instruction/ maintenance manual of the product LTR8-512 Master Lock
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LTR4-512 LTR8-512 LTR8-512M Master Clock Installati on & User's Guide.
Lathem, the Lathem logo, LT R4-512, LTR8-512, LTR8-512M, Radio Sync, LTR MasterLink, Terminal Manager an d PayClock are registered trademarks of Lathem Time Corporation. Other prod uct names mentioned in th is manual may be trademarks of t heir respective companies and are hereby acknowledge d.
Table of C ontents Welcome ....... ..... ...... ..... ...... ..... ..... ....... ...... ..... ...... ..... ..... ...... ..... ..... ........ ..... ....1 Step 1 - Mounting the Ma ster ......... ..... ..... ...... ..... ..... ...... ..... ....... ......
LTRx-512 Insta llation and User’s Guide 1 Welcome Thank you for purchasing y our new MASTER CLOCK. You can use yo ur new Master to ring bells or turn on circuits for up to 9 9 seconds, as well as to synchroni ze the time on secondary wall clocks o r devices.
LTRx-512 Insta llation and User’s Guide 2 Step 1 - Mounting the Master The Master comes ready to surface mount on the wa ll. However, you can also insta ll the Master in a standard 19" rack, re.
LTRx-512 Insta llation and User’s Guide 3 To surface mount the Ma ster 1. Place the Master on its ba ck with the display unit facing up and the keypad to the right 2. Remove the two s crews from just abo ve the display unit 3. Lift the display unit up and aw ay from yo u.
LTRx-512 Insta llation and User’s Guide 4 Lowering the Dis play Unit during Testing With a Semi-Flush or Surfa ce mount, you can hang the dis play unit below the back box when testi ng the Master and its ci rcuits. To lower the display unit, remov e the two screws that attach the display unit to the back box.
LTRx-512 Insta llation and User’s Guide 5 Rack Mount The LTR8-512 and LTR8-51 2M come wit h two L-shaped brackets (optional on the LTR4-512 ) so you can install your Mas ter in a standard 19 -inch rack To install the Master in a 19-inch rack 1. Place the Master on its ba ck with the display unit facing up and the keypad to the right 2.
LTRx-512 Insta llation and User’s Guide 6 10. Remove the two screws fro m the side of the display unit 11. Using these same screws , attach an “L” bracket (or ear) 12. Repeat to attach the other ear 13. Mount the unit in the rack 14. Follow the wiring steps i n the next chapter before attaching the box cover 15.
LTRx-512 Insta llation and User’s Guide 7 Attach the ground wire to o ne of the lower power supply mounting s crews Note: UL re gulations r equire that yo u do NOT place high v oltage (120V) and lo .
LTRx-512 Insta llation and User’s Guide 8 Step 2 – Wiring the Master Wire the display panel and power relay units fo r bell control and clock synchronization.
LTRx-512 Insta llation and User’s Guide 9 Power Supply – LTR4 Your Master is a lready setup for 120 VAC operatio n. If you need to wire it f or 220/ 240VAC , change the jumper settings as sho wn in the drawings on page 8. TERMINAL BLOCK ‘P4’ WIRING THE LTR8-512 FOR 1 20VA C (nom.
LTRx-512 Insta llation and User’s Guide 10 We recommend using stranded wire i nside the Power Supply Box. Stranded wire allows for a firm connection to the Quick Co nnect terminals. Stranded wires are a lso less likely to interfere with the relay board components.
LTRx-512 Insta llation and User’s Guide 11 Step 3 – Setting Up the Master If you will use the Maste r to sync clocks, you must first use relays #7 & #8 (terminal block P1) for synching.
LTRx-512 Insta llation and User’s Guide 12 To set the date and time, select Functio n [1] by keying [#][1][#] Enter the numbers for the month, date and year (4-digit yea r), then pre ss [#], such as.
LTRx-512 Insta llation and User’s Guide 13 If you enter a time less tha n 13:00 (1:00 PM), then you will see SELECT [0] PM / [1] AM Press [0] for PM or [1] fo r AM. If you choose ‘PM’, then the time will display in 24 -hour format to confirm your entry Press the [#] key at the top (‘00’ seconds) o f the new minute to accept.
LTRx-512 Insta llation and User’s Guide 14 3D - Choose Clock Types If you will use the Master to synchronize electro-mechanical wall clocks (analog o r digital), then use Function [2] to choo se the clock type for Clock # 1 and/o r Clock #2, fo llowing the instructions below .
LTRx-512 Insta llation and User’s Guide 15 3E - Test Bell Circuits Manual Bell Control Use Manual Bell Control Function [3] (described on Pg . 20 to test s elected bell circuits . Press [#][3][#] to start thi s function Auto Test the Bells Use the Auto Bell Test feature to turn on all bell relays once per minute at the sta rt of each minute.
LTRx-512 Insta llation and User’s Guide 16 3G – Setup Communication The “factory defa ult” communicatio n settings (LTR8-51 2 and LTR8-512 M only) are: Baud Rate: 9600 Terminal ID#: 065 Use Function [B] (described on Pg.
LTRx-512 Insta llation and User’s Guide 17 Additional Functions: All of the Master’s functions are described in the next section o f this guide. Remaining s teps, which may be performed “as needed” by the Installer or User, include the following: Function Number Progr amming Operation .
LTRx-512 Insta llation and User’s Guide 18 Function Descriptio ns [#] Starts the Program ming Functions a nd Confirms Entries [*] Ends Program functions a nd/or Cancels Entries (except the “Quick Check”) Quick Check Commands Quick Check comma nds display system i nformatio n for about 2 seconds.
LTRx-512 Insta llation and User’s Guide 19 [0] = Password You must enter a passw ord for mos t programming f unctions. To enter your passw ord, press [#][0][#] Enter your 6-digit passw ord, then press [#] Once you enter your password, you ca n now program y our Master until it detects that y ou haven’t pressed a key for 5 minutes.
LTRx-512 Insta llation and User’s Guide 20 Once you press [#], enter the time of the next u pcoming minute , using either 12 -hour or 24-hour format, then press [#].
LTRx-512 Insta llation and User’s Guide 21 [2]=Select Clock Control This function requires the adminis trator pass word Use this functio n to choose the ma ke/model of the clock s that your Mas ter .
LTRx-512 Insta llation and User’s Guide 22 Press [0] to turn them all off, or press keys [1] - [8] to turn a circuit off or on When you see the circuits that yo u want to ring, press and hold the [#] key. The front panel lights will light up to show tha t you have turned on those relays .
LTRx-512 Insta llation and User’s Guide 23 The follow ing will show o n the display: For Firmw are version 4.05 and earlier: For Firmw are version 4.
LTRx-512 Insta llation and User’s Guide 24 Then select the days when this event occurs [0] selects no days, [1]-[7] selects Sunday-Saturday, [8] selects holidays and [9] selects all days (including holidays). Press these keys to turn days on or off .
LTRx-512 Insta llation and User’s Guide 25 [5]=Schedule Changes (Use the handy program ming charts included at the end of t his Guide) If you wish to activa te schedules at a future date, use Schedule Changes to prog ram a schedule’s start date and time.
LTRx-512 Insta llation and User’s Guide 26 [6]=Enable or Disable Circuits This function requires the adminis trator pass word. Use this functio n to Enable and Disable your Mast er’s control relays during circuit wiring or maintenance.
LTRx-512 Insta llation and User’s Guide 27 [9]=Sync Clocks Use this functio n to quickly sync any secondary clo cks that los e time. This can occur if po wer to your LTRx-512 st ayed on while power to the seco ndary clocks sto pped.
LTRx-512 Insta llation and User’s Guide 28 [A]=Program Holidays You can enter up to 16 dates a s holidays i n your LTRx-512 . During holidays, only the events that yo u set to occur on holida ys will turn on when they reach the scheduled time.
LTRx-512 Insta llation and User’s Guide 29 [B]=Communications (LT R8-512 and LT R8-512M Only) This function requires the adminis trator pass word Use this functio n if you use LTR Mast erLink or Terminal Manag er software wi th your LTR8-512 You cannot choose f unction [B] directly.
LTRx-512 Insta llation and User’s Guide Daylight Sav ings Codes 30 APPENDIX A - SPECIF ICATIONS ELECTRICAL: Input Voltage 120 or 220 / 240 VAC @ 60 Hz or 50Hz Input Power 50 VA ma x (less than 0.5A @ 1 20V) Memory / Quartz Time Ba ckup 10 year (nom.
LTRx-512 Insta llation and User’s Guide Daylight Sav ings Codes 31 APP ENDIX B – DAYLIGHT SAV INGS COUNTRY CODE S ALBANIA 02 ENGLAND 01 MALTA 02 ANDORRA 02 ESTONIA 02 MONACO 02 ARMENIA 02 FALKLAND.
LTRx-512 Insta llation and User’s Guide Secondary Clock Types 32 APPENDIX C1 - SECO NDARY CLOCK TYPE CODES Type Description Page 01 SYNCHRONOUS WIRED 33 01 LATHEM TYPE SS 33 01 CINCINNATI D10 33 01 .
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 33 APPENDIX C2 - WIRING SECONDA RY CLOCKS TYPE 01 - SYNCHRONOUS WIRED TYPES INCLUDE: Lathem Type SS Wall Clocks Cincinnati D1 0 (115VA C), D1.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 34 TYPE 02 - THREE WIRE MINUTE IMPULSE (59 TH MIN.) TYPES INCLUDE: Lathem Type ISC (3-Wire) Cincinnati D2 , D4 Edwards Impulse Faraday Impuls.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 35 TYPE 02 - TWO WIRE REVERSE POLARITY MINUTE IMPULSE (59 TH MIN.) TYPES INCLUDE: Lathem Type ISC (2-Wire) Cincinnati D3 Using PS8-24 12 Power Supply: Using PS8-24 Power Supply: * Green and Black Wires in Clock Cable are unused.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 36 TYPE 03 - STANDARD ELECTRIC SYNCHRONOUS (*Old Style: Dual Motor) AMERICAN TIME & SIGNAL #X5 5BHGA801 All circuits should be fused or p.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 37 TYPE 04 - STANDARD ELECTRIC TIME AR-2A TWO WIRE DUAL V OLTAGE All circuits should be fused or protected by a circuit breaker (10Amp maximum) TYPE 05 - THREE WIRE MINUTE IMPULSE (58 TH MIN.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 38 TYPE 06 - SYNCHRONOUS WIRED TYPES INCLUDE: Cincinnati D8 Faraday ( New Style: Motor + So lenoid) Honeywell ST402A All circuits should be f.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 39 115VAC TYPE All circuits should be fused or protected by a circuit breaker (10Amp maximum) 24VAC TYPE All circuits should be fused or prot.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 40 TYPE 11 - EDWARDS DUAL MOTOR All circuits should be fused or protected by a circuit breaker (10Amp maximum) TYPE 12 - CINCINNATI ‘D6’ .
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 41 Type 14 - ELECTRONIC CODED CLOCKS Clocks run normally with 12 0 VAC po wer. For any bells or clock correctio n, the generator prestart relay (SK1) first turns on fo r the signal-generator to reach fr equency.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 42 Clock correction a nd bell circuit operations are generated by sequentially applying va rious frequencies onto the 120 VAC .
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 43 TYPE 16 - THREE WIRE MINUTE IMPULSE (59 MIN) WITH 12-HOUR CORRECTION TYPES INCLUDE: Simplex 91 and 94 1 SAME WIRING AS FOR TYPE 02 (3-WIRE.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 44 TYPE 18 - NATIONAL SYNCHRONOUS W IRED TYPES INCLUDE: Dukane 24 0 Series Rauland 2463 Series All circuits should be fused or protected by a.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 45 TYPE 20 - THREE WIRE MINUTE IMPULSE (44 TH MIN.) All circuits should be fused or protected by a circuit breaker (10Amp maximum) TYPE 21 - .
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 46 TYPE 22 - DUKANE SYNCHRONOUS W IRED All circuits should be fused or protected by a circuit breaker (10Amp maximum) TYPE 23 - CONDOR DIGITA.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 47 TYPE 23 - RAULAND DIGITAL CLOC KS (Model 2422 ) TYPES INCLUDE: R auland 2422 If the digital clocks lose sync with the LTRx-512 , then you can use function [9]=SYNC CLOCKS to re-sync them.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 48 TYPE 23 - CONDOR DIGITAL CLOC KS (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.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 49 TYPE 24 - EDWARDS SYNCHRONOUS WIRED CL OCKS - TYPE E1 All circuits should be fused or protected by a circuit breaker (10Amp maximum).
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 50 APPENDIX D - WIRING DIAGRA MS: POWER, BELLS, ETC. Fig. D1 - TERMINAL BLOCK ‘P4’ WIRING THE LTRx-512 FOR 1 20VAC (nom.) OPERATION All circuits should be fused or protected by a circuit breaker (10Amp maximum) WIRING THE LTRx-512 FOR 220/240 VAC (nom.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 51 Fig. D2 - TYPICAL SIGNAL DEVICE WIRING All circuits should be fused or protected by a circuit breaker (10Amp maximum).
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 52 Fig. D3 - COM PUTER CABLE (For Front Access Port) (LTR8-512 and L TR8-512M Only) Fig. D4 - RS-232 CABLE (for permanent connection to the C.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 53 Fig. D5 - SYNCHING UP TO 6 0 RS-485 TIM E SYNC DEVICES WITHOUT A BUFF ER - 1 2 3 4 5 10 1 1 12 13 6 7 8 9 TxD Rx D D + D G N D G N D S Y N.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 54 Fig. D7 – COM MUNICATION TERMINAL BLOCK Rear of Display U nit NOTES: 1. Twisted-pair (Cat-3/ Cat-5) wire connects di rectly to Terminal Block; up to 2 w ires per positio n 2. Pulse-sync input is same as provided in power supply.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 55 RS-485 Sync Time Device C onnection • Sync In: Terminal block pair used to receive RS-485 synchronizatio n from another Lathem Ma ster p.
LTRx-512 Insta llation and User’s Guide Wiring Dia grams 56 Fig. D8 - POWER SUPPLY TERMINAL BLOCK S NOTES: 1. Circuits CK T1...CKT4 designate bell controls. Circuit pairs CKT5 /CKT6 a nd CKT7/CKT8 can function as clock synchronizatio n circuits or as bell controls ( Note: CKT1…C KT4 do not e xist on the LTR4 -512.
LTRx-512 Insta llation and User’s Guide Installing the Modem 57 APPENDIX E – INSTALL THE OPT IONAL MODEM Installation of the optional internal modem sho uld be performed by a trained and competent electronics technician. Follow these steps; 1. Turn off the power to the Ma ster Clock.
LTRx-512 Insta llation and User’s Guide Connecting the LTR-GPS Satellite Receiver/Synchronizer 58 APPENDIX F – Connecting the LTR-GPS Satellite Recei ver / Synchronizer Lathem’s LTR-GPS is a Glo.
LTRx-512 Insta llation and User’s Guide Power Supply Schematics 59 APPENDIX G – POWER SUPPLY SCH EMATICS LTR8-51 2 / LTR8-512 M LTR4-512 C3 C4 C5 D1 1 D10 D9 D12 K1 K2 K3 K4 K6 K7 K8 K5 VMM7086 REV . D (C) 20 00 LA T HEM TIME CORP . D3 D4 D5 D 6 C3 C4 C5 D1 1 D10 D9 D12 K6 K7 K8 K5 (C) 2000 LA THEM TIME CORP .
LTRx-512 Installatio n and User’s Guide Programming C harts 60 BELL SCHEDULE PROGRAM MING CHART SCHEDULE #: 1 2 3 4 5 6 7 8 (Circle One) DATE:___ _-____ -____ REC No. DAYS SMSTWTFSH CIRCUITS 12345678 START HH:MM DUR SS REC No. DAYS SMSTWTFSH CIRCUITS 12345678 START HH:MM DUR SS Ex.
LTRx-512 Installatio n and User’s Guide Programming C harts 61 SCHEDULE CHANGE DATES PR OGRAMMING CH ART DATE:____-__ __-___ _ REC DATE TIME SC HEDULES NO.
LTRx-512 Installatio n and User’s Guide Programming C harts 62 HOLIDAYS SETUP CHAR T DATE:____-__ __-___ _ RECORD DATE NO. MM DD YY C OMMENTS Ex. 07 04 1 0 Independe nce Day 01 02 03 04 05 06 07 08 .
LTRx-512 I nstallation and User’s Guide 63 FOR UNIT S EQUIPPED WITH AN INTERNAL MODEM NOTICE: This equipme nt complie s with Pa rt 68 of the FCC Rule s . On th e mount ing panel of this equipment is a l abel that contains, among ot her inf ormation, the FCC Reg istration Numbe r and Rin ger Equivalen ce Number (REN) f or t his e quipment .
LTRx-512 I nstallation and User’s Guide 64 Limited One-Year Limite d Warranty Lathem warrants the hardwa re products described in this gui de against defects in material and workm anship for a period o f one year from date o f origina l purchase from Lathem or from an authorized Lathem reseller.
LTRx-512 I nstallation and User’s Guide 65 Index A Administrato r password .. ...... ..... ..... ...... .. 1 1, 19 Auto Bell Test ......... ..... ..... ...... ..... ..... ... 15, 22 B Baud rate .......... ..... ...... ..... ...... ..... ....... ... 2 9 Baud Rate .
An important point after buying a device Master Lock LTR8-512 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Master Lock LTR8-512 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Master Lock LTR8-512 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Master Lock LTR8-512 you will learn all the available features of the product, as well as information on its operation. The information that you get Master Lock LTR8-512 will certainly help you make a decision on the purchase.
If you already are a holder of Master Lock LTR8-512, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Master Lock LTR8-512.
However, one of the most important roles played by the user manual is to help in solving problems with Master Lock LTR8-512. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Master Lock LTR8-512 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
