Manuale d’uso / di manutenzione del prodotto DDC2 del fabbricante Lathem
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Digital Disp lay W all Clock DDC2 / DD C4 Se ries Installa tion & Use r's Guide.
OMNI:CHRON , mini: master, Lathem and the Lathe m logo a re registered trademar ks of Lathe m Time Corpor ation. Other p rod uct names mentioned in this manual may be trade marks of their respective companies a nd are here by ackno wledged.
Table of Contents Introduction..................................................................................................................................................... 1 Clock Operation .....................................................
DDC4 (Double Mount - Ceiling) .......................................................................................................... 19 Setting the Time ..............................................................................................
As a Count Up Tim er ............................................................................................................................ 52 As a Count Down Ti mer ...............................................................................
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Page 1 Digital Displa y Wall Clo ck Guide Introduction The Digital Disp lay Series W all Clo cks are designed with 2-inch or 4-inch red LED di splays that ca n be viewed fro m great dista nces; the 4-i nch model as far awa y as 10 0 feet, the 2 -inch model from as far away as 50 feet.
Digital Display Wall Clock Guide Page 2 About this Manual This manual will guide you thro ugh the installatio n, setup a nd wiring of your DDC Serie s Wa ll Clock.
Page 3 Digital Displa y Wall Clo ck Guide Optional A ccessories VSE005 0 Power Cord, 6 feet. DDC Series W all Clocks are shipped without po wer cor ds.
Digital Display Wall Clock Guide Page 4 SAM062 6 Kit (left) Includes: 1 - Mountin g Plate Asse mbly 2 - Chase Nip ples 4 - #10 Screws 8 - #10 Lock Washers 8 - #10 Hex Nuts SAM063 0 Kit (middle) Includ.
Page 5 Digital Displa y Wall Clo ck Guide Configuring the DDC Series W all Clock Setting the DIP Switches - DDC2 / DDC4 Series DDC2 Remove the four phillips head scr ews from the le ft or the r ight end cap and re move. Slide the lens and circuit boar d asse mbly out of the ca se.
Digital Display Wall Clock Guide Page 6 DIP Switc h Settings Table 1 - S1 (1-5) Secondar y Clock Correct ion 1 2 3 4 5 Secondary Clock Selec tion 0=Closed 1=Open *=Fact ory D efault 0 0 0 0 0 Stand Al.
Page 7 Digital Displa y Wall Clo ck Guide Configuring RS485 Communications - DDC2/4-R S Series When multip le DDC2 (4 )-RS Series Wall Clocks are installed as slave units to either t he Lathe m LTR4- .
Digital Display Wall Clock Guide Page 8 When used a s a RS485 clock, the master clock will send a signal to the wall clock e very minu te. T he 9- Volt alkaline b atter y (not included ) is op tional in these t ypes of installat ions.
Page 9 Digital Displa y Wall Clo ck Guide AC Return) Attach the gro und wire of the co rd (no rmally green) to the green gro und scre w located on the inside back of t he case. S lide the len s and circui t boar d assembly back i nto the c ase, rep lace the end ca p and secure with the fo ur phillip s head scre ws.
Digital Display Wall Clock Guide Page 10 Replacing an E xisting DDC4 Wall Cloc k When replac ing an older style DDC4 Wa ll Clock it will be nec essary to re move any co nnecto rs used b y the older style cloc k and attac h the wires to the ne w DDC Serie s Wall Clo ck as describ ed abo ve.
Page 11 Digital D ispla y Wall Clock G uide Mounting - DDC2 / DDC4 Series The DDC Ser ies Wall Clo cks c an be mounted directl y to a wall, to a single ga ng outlet b ox, do uble hung from the wall or do uble hung fr om the ceilin g.
Digital Display Wall Clock Guide Page 12 » Slide the le ns and circ uit board assembly ba ck into the ca se, re place the end cap and secure with the four phillips head scr ews. DDC4 » After decidin g the locatio n wher e the clock will be mounted, make two marks 1 2" apart and horizontal.
Page 13 Digital D ispla y Wall Clock G uide DDC2 Note: If m ountin g near a ceiling, mak e sure the top of the sing le gang box is at lea st 2 1/4" a way from the ceiling. Note: Make sure you have at least 10 1/2" of side clea rance on one side in order to remove the lens an d circuit bo ard assemb ly.
Digital Display Wall Clock Guide Page 14 » Slide the fro nt panel displa y back into the case, replace the end ca p and secure with the t wo phillips head scre ws.
Page 15 Digital D ispla y Wall Clock G uide Note: The long dimension o f the moun ting plate must be perp endicu lar to the g round to assu re proper alignme nt of wall clocks. See page 1 5, figure 4 for DDC 2 details. See page 1 6, figure 5 for DDC 4 details.
Digital Display Wall Clock Guide Page 16 DDC4 (Double Mount - Wall) » Remove the t wo phillips head scre ws from the le ft and the right end caps of the t wo DD C4 clo cks and re move. Slide the fro nt panel as semblies o ut of the case s a nd set aside.
Page 17 Digital D ispla y Wall Clock G uide Double Mount - Ceili ng Requires optio nal mou nting kit ( SAM0626) Tools re quired for mounting the c lock: Flat blade screwdriver Phillips head scr ewdriver 15/16" open end wrench The do uble ceiling mo unt plate attac hes to a do uble or single gang b ox installed securel y in the ceilin g.
Digital Display Wall Clock Guide Page 18 DDC2 (Double Mount - Ceiling) Note: Make sure you have at least 10 1/2" of side clea rance on one side in order to remove the lens an d circuit bo ard assemb ly. » Remove the four phillips head scr ews from the le ft and t he right e nd caps o f the two D DC2 clo cks and re move.
Page 19 Digital D ispla y Wall Clock G uide DDC4 (Double Mount - Ceiling) Note: Make sure you have at least 16" o f side clea rance on on e side in order to remove the fro nt pan el assembly. » Remove the t wo phillips head scre ws from the le ft and the right end caps of the t wo DD C4 clo cks and re move.
Digital Display Wall Clock Guide Page 20 Setting the T ime Time is set o n the DDC Series Wall Clocks b y depressi ng butto ns located o n the left side of the front panel. There are two setting b uttons, " H" for hour and " M' for minute.
Page 21 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring Appendix A - DDC2-RS / 4-RS Secondary Clock Wiring Diagrams Note: See Append ix B for D DC2-RS-24 / DDC4-RS- 24 wiring . Stand-Alone (115V AC) GRND AC IN AC RT N BLK BLK 115VAC Local Power Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 22 3-Wire S ynchronous (115V A C) O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown. Indicates d epressed sid e of switc h Wiring applie.
Page 23 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring 3-Wire S ynchronous (24VAC Correction) O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 24 3-Wire minute Impulse (59 th Minute) Wiring applie s to seconda ry wall c locks such a s: Lathem ISC 3 -Wire Standard I mpulse Cincinnati D2.
Page 25 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring 3-Wire Minute I mpulse (59 th Minute With 12 Hour Corre ction) BRN / WHT GRN D AC IN AC RTN A B C VIO / WHT YEL / WHT BLK BLK Wiring applie s to seconda ry wall c locks such a s: Lathem ISC 3 -Wire 12 Hour Si mplex 91, 941 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 26 Standard E lectric Synchronous To Other Cloc ks 115VAC From Master Clock O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
Page 27 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring Standard E lectric AR-2A 2-Wire Dua l Voltage BRN / WHT GRN D AC IN AC RTN AB PC YEL / WHT BLK BLK To Other Cloc ks 24VDC / 4 8VDC From Master Clock 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 28 Standard E lectric AR-2 2-Wire Dua l Voltage BRN / WHT GRN D AC IN AC RTN AB PC YEL / WHT BLK BLK To Other Cloc ks 24VDC / 4 8VDC From Master Clock 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
Page 29 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring Synchronous Wire d To Other Cloc ks 115VAC From Master Clock O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 30 Simplex 59 th Minute Dual Motor To Other Cloc ks 115VAC From Master Clock O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
Page 31 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring Simplex 45 th Minute Dual Motor To Other Cloc ks 115VAC From Master Clock O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 32 Edwards Dual Motor To Other Cloc ks 115VAC From Master Clock O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
Page 33 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring Standard E lectric AR-3 3-Wire Minute Impulse To Other Cloc ks 24VDC / 4 8VDC From Master Clock 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 34 National S ynchronous Wired To Other Cloc ks 115VAC From Master Clock O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
Page 35 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring Stromberg S ynchronous Wired (5 6 th Minute) To Other Cloc ks 115VAC From Master Clock O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 36 Cincinnati D1 BRN / WHT GRND AC IN AC RT N A COMMON YEL / WHT BLK BLK To Other Cloc ks 24VDC / 6 0VDC From Master Clock 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
Page 37 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring Cincinnati D6 , Edwards 2406 AB PC YEL / WHT GRN D AC IN AC RTN BLK BLK VIO / WHT To Other Cloc ks 24-36VD C From Master Clock 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of SW1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 38 2-Wire Pulse Alternating (24VDC) OPE N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown. Indicates d epressed sid e of switc h A B YEL / WHT.
Page 39 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring Electronic Code d BRN / WHT GRN D AC IN AC RTN BLU / WHT BLK BLK RED GRAY WHT 3510 Hz Rec iever 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 40 Straight Freque ncy BRN / WHT GRN D AC IN AC RTN BLU / WHT BLK BLK RED GRAY WHT 3510 Hz Rec iever 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
Page 41 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring 3-Wire Minute I mpulse (58 th Minute) BRN / WHT GRN D AC IN AC RTN A B C VIO / WHT YEL / WHT BLK BLK To Other Cloc ks 24VDC From Master Clock 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 42 3-Wire Minute I mpulse (44 th Minute) BRN / WHT GRN D AC IN AC RTN A B C VIO / WHT YEL / WHT BLK BLK To Other Cloc ks 24VDC From Master Clock 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
Page 43 Digital D ispla y Wall Clock G uide DDC2 / 4-RS Wiring 2-Wire Reverse Polarity Minute Impuls e (59 th Minute) AB PC YEL / WHT GRND AC IN AC RTN BLK BLK VIO / WHT To Other Cloc ks 24VDC From Master Clock 115VAC Local Power O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS -24 Wir ing Digital Displa y Wall Clo ck Guide P age 44 Appendix B - DDC2-RS-24 / DDC4-RS-24 W iring The DDC2 -RS-24 and t he DDC4 -RS-24 allow for 2 4VAC supplie d fro m the Master Cloc k or P ower Supply to po wer it for normal o peratio n.
Page 45 Digital D ispla y Wall Clock G uide DDC2 / 4 -RS -24 W iring DDC2-RS-24 / DDC4 -RS-24 Wiring H M O P E N 1 2 3 4 5 6 7 8 Set switc hes 1-5 of S1 as shown.
DDC2 / 4-RS -485 W iring Digital Displa y Wall Clo ck Guide P age 46 Appendix C - RS485 Wiring Diagrams RS485 Data Format The da ta string that se nds the ti me to the DDC2 / DDC4 Series Wall Clocks is formatted in such a manner that a utility ca n be written to achieve t ime upd ates fro m a personal c omputer.
Page 47 Digital D ispla y Wall Clock G uide DDC2 / 4-RS -485 Wiring OMCII to DDC2-RS / 4-RS Pin Signal S ignal JP4 Connection 1 Transmit Data (-) Transmit Data (-) D- 2 Transmit Data (+) Transmit Data.
DDC2 / 4-RS -485 W iring Digital Displa y Wall Clo ck Guide P age 48 LTR0 to DDC2-RS / 4 -RS Wire Signal S ignal JP4 Connection Gray Transmit Data (-) Transmit Data (-) D- Orange Transmit Data (+) Tra.
Page 49 Digital D ispla y Wall Clock G uide DDC2 / 4-RS -485 Wiring LTR4 / 8-512 to DDC2-RS / 4-RS Terminal # Signal Signal JP4 Connection 9 (D-) Transmit Data (- ) Transmit Data (-) D- 8 (D+) Transmi.
DDC-TC T imer Contro l Panel Digital Displa y Wall Cloc k Guide P age 50 Appendix D - DDC-TC T imer Control Panel Wiring The DDC-T C can be co nnecte d to the DD C Series Wall Clock with a 6 co nductor C AT3 or CAT 5 network cable. T he DDC-TC can be mounted up to 2 00 feet fro m the DDC Series Wa ll Clock.
Page 51 Digital D ispla y Wall Clock G uide DDC-TC T imer Control P anel Installatio n The DDC-T C mounts d irectly to a standard , doub le-gang wall bo x.
DDC-TC T imer Contro l Panel Digital Displa y Wall Cloc k Guide P age 52 Operation As a Count Up Timer To start the c ount: press Count Up To pause the c ount: press Stop / Continue To continue t he c.
Page 53 Digital D ispla y Wall Clock G uide Specificatio ns Appendix E - L TR-GPS Satellite Receiver / Clock Sy nchronizer Lathem’s LTR-GPS is a Glob al P ositioning Satellite re ceive r using 12 -channel s to ac cess the accurate d ate and time signal tr ansmitted each seco nd b y 24 satellites in geo synchronous o rbit aro und the glob e.
Warrant y Digital Displa y Wall Clo ck Guide P age 54 The LT R-GPS package i ncludes: LTR-GPS Sate llite Sync hronizer 115vAC, 2 . 7 w, 50/60H z Power Adapter Active GPS Antenna with 25ft.
Page 55 Digital D ispla y Wall Clock G uide Specificatio ns Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock D D C 2 - RS / D D C 4 - RS.
Warrant y Digital Displa y Wall Clo ck Guide P age 56 Appendix F - Spec ifications Dimensions DDC2 4 7/8" H X 10 1/4" W X 3 1/8" D 12.4 cm H X 26.2 cm W X 7.9 cm D DDC4 6 3/4" H X 15 1 /2" W X 3 1 /8" D 17.1 cm H X 39 cm W X 7.
Page 57 Digital D ispla y Wall Clock G uide Specificatio ns Appendix G - W arranty Li mit ed One -Y ear L imi te d Wa rr ant y La the m wa rra nts the har dwar e pr oduc ts descr ibed in thi s gui de .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Lathem DDC2 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Lathem DDC2 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Lathem DDC2 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Lathem DDC2 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Lathem DDC2, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Lathem DDC2.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Lathem DDC2. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Lathem DDC2 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
