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LTRx-512 Installer’s Guide

Wiring Diagrams

45

Fig. D5 - SYNCHING UP TO 60 RS-485 TIME SYNC DEVICES

WITHOUT A BUFFER

-

1

2

3

4

5

10 11 12 13

6

7

8

9

TxD

RxD

D

+

D

G
N
D

G
N
D

S
Y
N
C

D

+

D

-

D

+

D

-

~

~

~

RS-232

RS-485

SYNC

OUT

SYNC

IN

12V~

AC

OUT

250ma

MODEM

HOST COMMUNICATIONS

LTR8-512 & LTR8-512M Only

PULSE

SYNC

RS-485

DATA SYNC

RS-485

DSD

RS-485

DSD

RS-485

DSD

RS-485

DSD

RS-485

DSD

RS-485

DSD

+ -

+ -

+ -

+ -

+ -

+ -

Notes: Up to 30 RS-485 Data Sync Devices (DSDs) can be connected to the Data Sync port. Since the SYNC IN

port can send as well as receive, 30 extra devices can be connected. If more 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

6

7

8

9

TxD

RxD

D

+

D

G
N
D

G
N
D

S
Y
N
C

D

+

D

-

D
+

D

-

~

~

RS-232

RS-485

SYNC

OUT

SYNC

IN

12V~

AC

OUT

250ma

MODEM

HOST COMMUNICATIONS

LTR8-512 & LTR8-512M Only

PULSE

SYNC

RS-485

DATA SYNC

+ -

RS-485

DSD

RS-485

DSD

+ -

RS-485

DSD

+ -

RS-485

DSD

+ -

RS-485

DSD

+ -

+ -

Note:

Since the Sync In port can send as well as receive, 30 extra devices can connect here. If you already have a
Master Source, such as an LTR-0, connect it and its string of clocks to the Sync In port, for a total of up to
60 devices.

Ports are located on the
back of the Display Unit

Ports are located on the
back of the Display Unit

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Содержание LTR-512

Страница 1: ...LTR4 512 LTR8 512 LTR8 512M MASTER CLOCK Installer s Guide...

Страница 2: ...ntee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment o...

Страница 3: ...e Date and Time 12 Enable the Relays 13 Choose the Clocks to Synchronize 13 Manual Bell Control 14 Auto Test the Bells 15 Set Daylight Savings 15 Setup Communications LTR8 512 and LTR8 512M only 15 FU...

Страница 4: ...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 COMP...

Страница 5: ...tivate a single or multiple circuits on a given day and time The LTR8 512 and LTR8 512M can also connect to a PC running Microsoft Windows using the optional LTR MasterLink software The LTR8 512M has...

Страница 6: ...ews Also included with the LTR8 512 and LTR8 512M 2 L brackets ears used to rack mount Power supply box cover used to mount in a rack or with a hidden power supply Optional parts Connection cable to m...

Страница 7: ...de 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 install yo...

Страница 8: ...sh mount your Master A competent electrician should mount the Power Supply Box inside the wall To recess the Master in the wall Place the Master on its back with the display unit facing up and the key...

Страница 9: ...plug from the back of the display unit so it can sit flat against the wall Swing the two hooks on the back of the unit up and hook them over the bottom edge of the back box You can use the keypad to t...

Страница 10: ...display unit Set the display unit aside Detach the display unit from the wall mount cover by removing the 4 screws on the back of the display unit IMPORTANT These screws are the correct length so they...

Страница 11: ...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 at the b...

Страница 12: ...e 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 the top of the electrical box Connect...

Страница 13: ...he 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 TERMINAL BLOCK P4 WIRING THE LTR8 512 FOR 120VAC nom OPERAT...

Страница 14: ...ld connect the unit to a dedicated 10 Amp circuit You may need to add external MOV s or diodes to sync a specific clock type see Appendix D for the wiring diagram of your type clock Appendix C shows w...

Страница 15: ...will sync only one type of clock in one string 3 Four 4 bell zones and two electro mechanical wall clock sync controls Use this setup if you will synchronize two clock types or if you have two string...

Страница 16: ...umbers for the month date and year 4 digit year Press to move to the second line 1 7 ENTER DAY OF WEEK D 1 SUNDAY 7 SATURDAY Enter a number 1 7 for the day of the week Sunday through Saturday Press to...

Страница 17: ...the circuit numbers you want on press Choose the Clocks to Synchronize If you will use the Master to synchronize electro mechanical wall clocks analog or digital then use Function 2 to choose the cloc...

Страница 18: ...ROLS 1 2 3 4 5 6 7 8 PRESS AND HOLD TO EXECUTE TO END 1 8 Enter the circuit numbers that you want to test When you see the circuits you want press and hold Those circuits will turn on their relays as...

Страница 19: ...Savings Your Master comes set to adjust for daylight savings in the United States If you live outside the United States or if your region does not observe daylight savings use Function 7 to change the...

Страница 20: ...er a unique Terminal ID from 001 127 065 is the default 3 PRESS TO CONFIRM Press to accept or Press to cancel and try again Congratulations You have finished the basic setup of your LTRx 512 Master Al...

Страница 21: ...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 Schedules Automatic Schedule Change Dates and Holiday Dates When you press 1 you w...

Страница 22: ...Select Clock Control This function requires the administrator password Use this function to choose the clock makes and models that the Master will synchronize To start this function enter your passwor...

Страница 23: ...This function requires the administrator password Your LTRx 512 knows the daylight savings time DST settings for over 75 countries By using the 2 digit country code your LTRx 512 will automatically ad...

Страница 24: ...duled time You cannot choose Function A directly To start the Program Holidays function enter your password then press 9 0 B Communications LTR8 512 and LTR8 512M Only This function requires the admin...

Страница 25: ...FASTER 2 SLOWER To set the Oscillator to the factory default frequency press 0 The display will show TIME BASE NORMAL SELECT 0 NORMAL 1 FASTER 2 SLOWER If the Master Clock has been running slow you c...

Страница 26: ...99 3 Set the correction to FASTER 03 Auto Bell Test No password is required for this function Use the Auto Bell Test feature to turn on all bell relays once per minute at the start of each minute Once...

Страница 27: ...ppendix 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 secondary clock t...

Страница 28: ...N 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 09 LUX...

Страница 29: ...4 26 02 SIMPLEX 6310 9075 26 02 STANDARD IMPULSE 26 02 STROMBERG IMPULS 26 03 STANDARD EL SYNCH 27 03 AMR T S X55BHGA801 27 04 STANDARD TM AR 2A 28 Type Description Page 05 3W MIN IMPULSE 58 28 06 SY...

Страница 30: ...9 6310 9231 Stromberg 3000 All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 02 THREE WIRE MINUTE IMPULSE 59TH MIN TYPES INCLUDE Lathem Type ISC 3 Wire Cincinnati D2 D...

Страница 31: ...pe ISC 2 Wire Cincinnati D3 All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 03 STANDARD ELECTRIC SYNCHRONOUS Old Style Dual Motor AMERICAN TIME SIGNAL X55BHGA801 All...

Страница 32: ...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 be fus...

Страница 33: ...circuit breaker 10Amp maximum TYPE 07 DUKANE 24F200 DIGITAL CLOCKS All circuits should be fused or protected by a circuit breaker 10Amp maximum NOTE THIS SELECTION IS NOT SUPPORTED ON THE LATHEM LTR8...

Страница 34: ...mp maximum 24VAC TYPE 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 DU...

Страница 35: ...iring Diagrams 31 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 by a ci...

Страница 36: ...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...

Страница 37: ...kt 1 H MM 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 Hou...

Страница 38: ...12 HOUR CORRECTION TYPES INCLUDE Simplex 91 and 941 All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 16 TWO WIRE REVERSE POLARITY MINUTE IMPULSE 59 MIN WITH 12 HOUR C...

Страница 39: ...ANDARD ELECTRIC TIME AR 2 TWO WIRE DUAL VOLTAGE All circuits should be fused or protected by a circuit breaker 10Amp maximum TYPE 17 STANDARD ELECTRIC TIME AR 3 THREE WIRE IMPULSE All circuits should...

Страница 40: ...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 operation if m...

Страница 41: ...g Diagrams 37 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 protected by...

Страница 42: ...used 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 function 9 SY...

Страница 43: ...PE 23 CONDOR DIGITAL CLOCKS Model 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...

Страница 44: ...iagrams 40 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 protected...

Страница 45: ...LTRx 512 Installer s Guide Wiring Diagrams 41 TYPE 24 EDWARDS SYNCHRONOUS WIRED CLOCKS TYPE E1 All circuits should be fused or protected by a circuit breaker 10Amp maximum...

Страница 46: ...12 FOR 120VAC nom OPERATION 1 2 3 4 5 6 7 8 J1 J2 WHT GRN BLK 120 VAC All circuits should be fused or protected by a circuit breaker 10Amp maximum WIRING THE LTRx 512 FOR 220 240VAC nom OPERATION 1 2...

Страница 47: ...the LTR4 512 Use Zones 5 6 7 8 for Bell Circuits 1 2 3 4 5 6 7 8 Zone 1 Zone 2 Zone 3 Zone 4 P3 Voltage IN 1 2 3 4 5 6 7 8 Zone 8 Zone 7A Zone 7B P1 Voltage IN Zone 7A 7B Operate Together CKT 7A 7B O...

Страница 48: ...ller s Guide Wiring Diagrams 44 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 and L...

Страница 49: ...an 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 6 7 8...

Страница 50: ...terminals causes 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 communica...

Страница 51: ...s 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 with an IBM compatible computer r...

Страница 52: ...hich 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 operat...

Страница 53: ...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 goes i...

Страница 54: ...ith the product The Circuit includes a low power MicroProcessor a method of selecting the Address of the Master to be remotely controlled and a 4 screw Terminal Block for Installer Interconnect Two sc...

Страница 55: ...Switch 2 value of 64 and switch 8 value of 1 are down 64 1 65 For address 003 you would slide switch 7 and switch 8 down 2 1 3 For address 102 you would slide down switches 2 3 6 and 7 64 32 4 2 102...

Страница 56: ...LTRx 512 Installer s Guide Connecting the LTR RSS 52 INSTALLATION DETAIL...

Страница 57: ...edules may be currently Active without altering those schedules previously selected After setting the selected position of the Rotary Switch the Operator should press the ENTER SELECTION Push Button T...

Страница 58: ...ts 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 DIP Swi...

Страница 59: ...55 APPENDIX H 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 K8 K5...

Страница 60: ...place 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...

Страница 61: ...n 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 LIMITATION OF LIABILITY Exce...

Страница 62: ...e Change 19 Function 6 Enable Disable Circuits 13 19 Function 7 Daylight Savings Time 15 19 Function 8 Change Schedule 19 Function 9 Sync Clocks 20 Function A Program Holidays 20 Function B Communicat...

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