Instruction/ maintenance manual of the product DWA-S Lathem
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Sonachron ® ( DWA-S) User’s Manual.
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.
T A BLE OF CON TENTS SPECIFICATI ONS ..... .......... .......... .......... ......... ......... 1 INTRODUCT ION ......... .......... .......... .......... .......... ...... 2 QUICK START STEPS ......... .......... .......... .......... ....... 3 DIP SWIT CH SETTINGS.
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 f.
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.
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.
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.
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.
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.
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) .
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.
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.
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 .
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.
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.
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.
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.
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 & .
Page 16 FIGURE 2: CONNECT ION FOR DW A-S TO LTR-0 FIGURE 3: CONNECT ION FOR DW A-S TO LTR-GPS.
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.
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.
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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.
Page 21 FIGURE 8: LOW VOL T A GE DC B ELL W IRING FIGURE 9: 115/220 V AC CONT ROL WIRING.
Page 22 FIGURE 10: LOW VOL T A GE AC CONTROL WIRING FIGURE 11: LOW VOL T A GE DC CON TROL WIRING.
Page 23 FIGURE 12: DRY CONT ACT W IRING FOR P AGING SYSTEM OR TO NE GENER A TOR.
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 .
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An important point after buying a device Lathem DWA-S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lathem DWA-S 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 Lathem DWA-S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lathem DWA-S you will learn all the available features of the product, as well as information on its operation. The information that you get Lathem DWA-S will certainly help you make a decision on the purchase.
If you already are a holder of Lathem DWA-S, 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 Lathem DWA-S.
However, one of the most important roles played by the user manual is to help in solving problems with Lathem DWA-S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lathem DWA-S 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
