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Lathem DWA-S manual

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Table of contents for the manual

  • Page 1

    Sonachron ® (DWA-S) User’s Manual[...]

  • Page 2

    Lathem Time Corporation 200 Selig Drive, SW Atlanta, GA 30336 1-800-241-4990 1-404-691-0400 www.lathem.com D o cum e nt N o . OMSC- 1 10 9 Copyright © 2009 Lathem Time Corpo ra t ion. All rights reserved.[...]

  • Page 3

    T ABLE OF CONTENTS SPECIFICAT IONS ..................................................... 1 INTRODUC TION ....................................................... 2 QUICK STAR T STEPS .............................................. 3 DIP SWITCH SET TINGS........................................... 8 PROGRAMMING A SEC URITY CODE ..................... 9 [...]

  • Page 4

    Page 1 SPECIFICA TIONS Input Voltage 115 VAC (220 Optional) Input Frequency 50/60 Hz Input Power 20 Watts Max Standby Power 1.2 Ah, 6 V battery (The display will be dimmed when operating on battery power.) Standby Time 10 Days Timing Accuracy Per line frequency Number of Events 1440 (any combination of weekdays) Signal Duration Programmable – 1 t[...]

  • Page 5

    Page 2 INTRODUCTION The DWA-S is a single circuit signaling d evice which can be used as a bell ringer or on/ off cont roller. It is capable of retaining up to 1440 separate events for each day of the week in memory plus a floating lunch and break schedul e whi ch can be activated with a single key on the keypad or a remote switch. Automatic adjust[...]

  • Page 6

    Page 3 QUICK ST ART STEPS Step 1 – Mount Unit to Wall 1. Unscrew 2 left screws to remove left side panel. 2. Slide front panel left. 3. Disconnect cable connect or from ri ght side of front panel. 4. Slide front panel left and remove completely. 5. Find a suitable location on the wall that allows at leas t 10 inches of clearance on the l eft side[...]

  • Page 7

    Page 4 9. Secure unit to wall using screws (not provided). Step 2 – Swith Off Power to AC Circuit 1. SWITCH OFF THE CIRCUIT THAT WILL FEED AC POWER TO THE UNIT BEF ORE PROCEDING. Step 3 – Connect Wires for 115VAC or 24VAC Bell s IMPORTANT! This unit is shipped from the factory as a Bell Ringer. To change to an ON/OFF controller, see DIP S witch[...]

  • Page 8

    Page 5 IMPORTANT: DO NOT PROCEED IF WIRE COLORS ARE DIFFERENT THAN SHO W N OR IF YOU ARE UNSURE WHICH WIRES ARE AC HOT, AC NE UTRA L AND GROUND. THERE IS RISK OF PERSONAL INJURY AND DAMAGE TO THE UNIT THAT’S NOT COVERED BY WARRANTY. INEXPENSIVE TESTERS ARE AVAILABLE AT YOUR LOCAL HOME ELECTRICAL SUPPLY STORE FOR VERIFYING WIRES. 3. Connect wires [...]

  • Page 9

    Page 6 Step 5 – Secure Cover 1. Align front panel in track and slide half way to right. 2. Secure ribbon cable on rig ht edge of fro nt panel. 3. Slide front panel all the way closed making su re that the cable lays down. 4. Attach red battery wire onto battery post . 5. Secure left side panel with the scre ws. Step 8 – Restore Power to AC Circ[...]

  • Page 10

    Page 7 Step 9 – Test Signaling 1. Your display should appea r as shown in the picture below. If not, please contact your dealer or Lathem Time directly. 2. Enter a security code using the day of week keys (remember the days that you selected). 3. Press Run to return to the normal display showing current time of day. 4. Press the Manual Bells butt[...]

  • Page 11

    Page 8 DIP SWITCH SETTINGS To access the dip switches, remove the two screws holding the left side panel in place and remove the panel. Dip Switches 1, 2, and 3 are monitored at all times and changes take effect immediately. Dip Switch 4 is read only at power up. To change the setting for this swit ch, the unit must be powered completely off and ba[...]

  • Page 12

    Page 9 PROGRAMMING A SECURITY CODE Upon power up you are allowe d to enter a security code to restrict access to programming functio ns. When the unit displays “ SECURITY CODE ”, press from one to fou r Day of the Week keys. This is your security code. The ERASE EVENT key can be used to clear the code for re-ent ry. Press the RUN key to advance[...]

  • Page 13

    Page 10 UNLOCKING THE KEYP AD To unlock the keypad, press the Day of the Week key s you programmed for the se cu rity code followed by RUN . The security keys must be pre s sed in the exact order as they were originally entered. The display should read “ SELECT FUNCTION .” To relock the keypad, sim ply press RUN . The keypad must be unlocked, o[...]

  • Page 14

    Page 11 PROGRAMMING EVENTS (On/Off Controller) NOTE: Dip Switch 4 must be set to OFF (see page 8) With “ SELECT FUNCTION ” displayed, press the PRGM EVENTS key. The display should read “ CONTROL 1 2:00 AM .” Use the FAST FWD and SLOW FWD keys to advance the displayed time to the desired event time. Once the event time is reached, press the [...]

  • Page 15

    Page 12 PROGRAMMING EVENTS (Bell Ringer) NOTE: Dip Switch 4 must be set to ON (see page 8) With “ SELECT FUNCTION ” displayed, press the PRGM EVENTS key. The display should read “ SIGNAL 12:0 0 AM ” “ ON DAYS: ” Use the FAST FWD and SLOW FWD keys to advance the displayed time to the desired event time. Once the event time is reached, pr[...]

  • Page 16

    Page 13 MANUAL LUNCH AND BREAKS (Bell Ringer) This function provides a means of prog ramming set lunch and break lengths which can be initiated at variou s times during the day. It is only available when the unit is used as a Bell Ringe r and operating on AC power. Pressing the START LUNCH or START BREAK key at the keypad (or a remote momentary swi[...]

  • Page 17

    Page 14 SIGNAL ON/OFF Pressing the SIGNAL ON/OFF key when the keypad is unlo c ked changes the On/Off status of the programmed sch ed ule. When the status is ON, bells or cont rols will operate based on the schedule. When the status is OFF, the schedule is ignored and only the manual key will operate the bells or controls. The current On/Off status[...]

  • Page 18

    Page 15 MASTER CLOCK - 12345 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 COMMUNICA TIONS L T R8-512 & 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 DWA-S comes equipped[...]

  • Page 19

    Page 16 FIGURE 2: CONNECTION FOR DWA- S TO LTR- 0 FIGURE 3: CONNECTION FOR DWA-S TO LTR- GPS[...]

  • Page 20

    Page 17 FIGURE 4: CONNECTING RC-MS TO SYNCH DW A-S OR LTR-0 NOTE: A 9vDC Power Adapter (not shown) is also requ ired for the RC-MS. FIGURE 5: OMC – DWA-S INTERCONNECTIO N[...]

  • Page 21

    Page 18 Sonachron (DWA-S) can be synchr oni zed to Lathem’s LTRx-51 2 master, LTR-0 master, LTR-GPS receiver, RC-MS master or Omni:ChronII time clock reference devic es. Di stance from the source can be extended using Lathem’s SWIFT4 85 + repeater. Omni:ChronII Time Recorder can be eq uipped with an optional RS485 transmitter for communication [...]

  • Page 22

    Page 19[...]

  • Page 23

    Page 20 FIGURE 6: 115/220 VAC BELL WIRING FIGURE 7: LOW VOLTAGE AC BELL WIRING[...]

  • Page 24

    Page 21 FIGURE 8: LOW VOLTAGE DC BELL WIRING FIGURE 9: 115/220 VAC CONTROL WIRING[...]

  • Page 25

    Page 22 FIGURE 10: LOW VOLTAGE AC CONTROL WIRING FIGURE 11: LOW VOLTAGE DC CONTROL WIRING[...]

  • Page 26

    Page 23 FIGURE 12: DRY CONTACT WIRING FOR PAGIN G SYSTEM OR TONE GENERATOR[...]

  • Page 27

    Page 24 Limited One-Year Limited Warranty Lathem warran ts the har dware produ cts de scribe d in this guide against defe cts in material and work manship for a period of one y ear fro m date of orig inal pur chase from Lathem or from an au thorized La them reseller. The condit ions of this warran ty and the extent of the responsibility of Lathem T[...]

  • Page 28

    OMSC-11 0 9[...]