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Lathem DWA-S - page 1
Sonachron ® ( DWA-S) User’s Manual ...
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Lathem T ime Corporation 200 Selig Dr ive, SW Atlanta, GA 30336 1-800-241-49 90 1-404-691-04 00 www.lathem .com Docum ent No. OMSC-07 08 Copyright © 2008 Lathem T ime Corporation. All rights res erved. ...
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Lathem DWA-S - page 3
T A BLE OF CON TENTS SPECIFICATI ONS ..... .......... .......... .......... ......... ......... 1 INTRODUCT ION ......... .......... .......... .......... .......... ...... 2 QUICK START STEPS ......... .......... .......... .......... ....... 3 DIP SWIT CH SETTINGS...... .......... .......... .......... ....... 8 PROGRAMMING A SECURITY CODE ...... ...
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Lathem DWA-S - page 4
Page 1 SPECIFIC A TION S Input Voltage 115 VAC (22 0 Optional) Input Frequ ency 50/60 Hz Input Power 20 W atts Max Standb y Power 1.2 Ah, 6 V bat tery Standb y Time 10 Days Timing Acc uracy Per line fr equenc y Num ber of Events 1440 (an y combination of week days) Signal Dura tion Programm able – 1 to 99 s ecs Daylight Sa vings Automatic (D isab ...
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Lathem DWA-S - page 5
Page 2 INTRODU CTION The DW A-S is a single c ircuit signa ling device which can b e used as a be ll ringer or o n/off controller. It is c apable of retaining up to 1440 sep arate e vents for each day of the week in mem ory plus a float ing lunch a nd break schedule which can be activated with a singl e ke y on the keypad or a r emote sw itch. Auto ...
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Lathem DWA-S - page 6
Page 3 QUICK ST ART S TEPS Step 1 – M ount Unit to Wall 1. Unscrew 2 l eft scr ews to rem ove left side panel. 2. Slide front pan el left. 3. Disconnect ca ble connec tor f rom right side of f ront panel. 4. Slide front pan el left and r em ove completel y. 5. Find a suitab le location on the wall that allows at least 10 inches of cle arance on t ...
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Lathem DWA-S - page 7
Page 4 9. Secure unit to wall using screws (n ot provide d). Step 2 – Sw ith Off Po wer to AC Circuit 1. S W IT CH OFF T HE CIRCUIT THAT W ILL FEED AC P OW ER TO T HE UNIT BEFORE PROCEDING . Step 3 – Con nect Wires f or 115V AC or 24V AC Bells IMPO RTANT! This unit is shipped f rom the fa ctory as a Bell Ringer. To change to an ON/O FF controll ...
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Lathem DWA-S - page 8
Page 5 IMPO RTANT: DO NOT PROCEED IF W IRE COLORS ARE DIFFERENT TH AN SHOWN OR IF YOU ARE UN SURE W HICH W IR ES ARE AC HOT , AC NEUTRAL AND GROUND. T HERE IS R ISK OF PER SONAL INJU RY AND DAMAGE T O THE UNIT THAT ’S NOT COVER ED BY W ARRANTY. INEXPEN SIVE TEST ERS ARE AVAILAB LE AT YOUR LO CAL HOM E ELECT RICAL SUP PLY STOR E FOR VERIF YING W I ...
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Lathem DWA-S - page 9
Page 6 Step 5 – Secu re Cover 1. Align front pan el in trac k and slide h alf wa y to right. 2. Secure ribb on cable on r ight edge of front panel . 3. Slide front pan el all the way closed m ak ing sure that the cable la ys down. 4. Attach red b attery wire o nto batter y post. 5. Secure left s ide panel with the scr ews. Step 8 – Re store Pow ...
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Lathem DWA-S - page 10
Page 7 Step 9 – T est Signaling 1. Your displa y should ap pear as s hown in the pictur e bel ow. If not, please c ontact your d ealer or Lathem Time directly. 2. Enter a secur ity code us ing the da y of week k eys (remem ber the days that you selected) . 3. Press Run to return to the norm al display sh owing cur rent time of day. 4. Press the M ...
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Lathem DWA-S - page 11
Page 8 DIP SWITCH SE TTINGS To acc ess the dip switches , rem ove the two scr ews holding t he left side panel in place and rem ove the panel. Dip S witches 1, 2, and 3 ar e monitored at all tim es and changes take eff ect immediatel y. Dip Switch 4 is read onl y at power up. T o change the s etting for th is switch, the unit m ust be powere d com ...
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Lathem DWA-S - page 12
Page 9 PROGR A MM IN G A SEC URITY CODE Upon power up you are allowed to en ter a secur ity code to restrict acc ess to program m ing functions. W hen the unit displays “ SECURITY CODE ”, press from one to four Da y of the W eek keys. This is your securit y code. The ER ASE EVENT ke y can be used t o clear th e code for re-entry. Pr ess the RU ...
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Lathem DWA-S - page 13
Page 10 UNLOCKI NG THE KEYP AD To unlock the ke ypad, press the Da y of the W eek keys you programm ed for the security code f ollowed b y RUN . The security k eys mus t be pressed in the exact ord er as the y were originall y entered. The d isplay shoul d read “ S ELECT FUNCT ION .” T o relock the ke ypad, simply press RUN . T he ke y pad m us ...
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Lathem DWA-S - page 14
Page 11 PROGR A MM IN G EVENTS (On/Off Con troller) NOT E: Dip Switch 4 m ust be set to OF F (see pa ge 8) W ith “ SELECT FUNCT ION ” displa yed, press the PRGM EVENTS k ey. The disp lay should rea d “ CONT ROL 12:00 AM .” Use the F AST FWD and SLOW FWD ke ys to advance the displayed tim e to the desir ed e vent time. O nce the eve nt time ...
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Lathem DWA-S - page 15
Page 12 PROGR A MM IN G EVENTS (Bell Ringer ) NOT E: Dip Switch 4 m ust be set to O N (see p age 8) W ith “ SELECT FUNCT ION ” displa yed, press the PRGM EVENTS k ey. The disp lay should rea d “ SIGN AL 12:00 AM ” “ ON DAYS: ” Us e the F AST FWD and SLOW FW D ke ys to advance the displa yed time to the desired e vent time. Onc e the eve ...
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Lathem DWA-S - page 16
Page 13 M A NU A L LUNC H A ND BRE AKS (Bell Ringer ) This f unction provides a m eans of programm ing set lun ch and break lengt hs which can be initiated at various t imes during the day. It is on ly available when the u nit is used as a Bell Ringer and operatin g on AC po wer. Press ing the ST ART LU NCH or ST A RT BREAK ke y at the k eypad (or ...
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Lathem DWA-S - page 17
Page 14 SIGN A L ON/OF F Pressing the SIGN AL ON/OFF key when the k eypad is unlocked changes the O n/Off status of the progr amm ed schedule. W hen the status is O N, bells or c ontrols will operate bas ed on the schedule. W hen the stat us is OFF, the s chedu le is ignor ed and only the m anual k ey will operate t he bells or contr ols. T he curr ...
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Lathem DWA-S - page 18
Page 15 MASTER CLOCK - 1 2 3 4 5 10 1 1 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 COMMUNICA TIONS L TR8-512 & LTR8-512M Only PULSE SYNC RS-485 DA T A SYNC + - RS-485 DSD RS-485 DSD + - RS-485 DSD + - RS-485 DSD + - RS-485 DSD + - + - RS485 The DW A-S comes equ ...
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Lathem DWA-S - page 19
Page 16 FIGURE 2: CONNECT ION FOR DW A-S TO LTR-0 FIGURE 3: CONNECT ION FOR DW A-S TO LTR-GPS ...
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Page 17 FIGURE 4: CONNECT ING RC-M S TO SYNC H DW A-S OR LTR- 0 NOTE: A 9vDC Power Adapter (not shown) is also required for the RC-MS. FIGURE 5: OMC – DW A-S INTERCO NNECT ION ...
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Lathem DWA-S - page 21
Page 18 Sonachron (DW A-S) can be s ynchronized to Lat hem ’s LTRx- 512 master, LT R-0 mas ter, LTR-GPS rece iver, RC-M S master or Omni:ChronI I time clock referenc e devices. D istance fr om the source can b e extende d using Lathem ’s SW IFT485+ repeat er. Omni:ChronI I Tim e Recorder can be equippe d with an optional RS485 trans mitter f or ...
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Page 19 ...
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Page 20 FIGURE 6: 115/220 V AC BELL WIRI NG FIGURE 7: LOW VOL T A GE AC BELL W IRING ...
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Page 21 FIGURE 8: LOW VOL T A GE DC B ELL W IRING FIGURE 9: 115/220 V AC CONT ROL WIRING ...
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Page 22 FIGURE 10: LOW VOL T A GE AC CONTROL WIRING FIGURE 11: LOW VOL T A GE DC CON TROL WIRING ...
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Page 23 FIGURE 12: DRY CONT ACT W IRING FOR P AGING SYSTEM OR TO NE GENER A TOR ...
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Lathem DWA-S - page 27
Page 24 Limited One-Year L imited Warranty La the m w a rr an ts t he ha rd wa re p ro du ct s de scr ib ed i n thi s gu id e ag ai ns t def ec t s i n ma ter ia l an d wo rk man sh ip f or a pe r io d o f on e y ea r fr o m d a te of or i gi nal pur ch a se fro m La th e m or fro m an a u tho riz e d Lat he m re se lle r . T he c on di tio n s o f ...
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Lathem DWA-S - page 28
OMSC-0708 ...
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