Lathem Sonachron DWA-S User Manual
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Lathem Sonachron DWA-S User Manual

A single circuit signaling device
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Summary of Contents for Lathem Sonachron DWA-S

  • 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 Document No. OMSC-0708 Copyright © 2008 Lathem Time Corporation. All rights reserved.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS... 1 INTRODUCTION ... 2 QUICK START STEPS... 3 DIP SWITCH SETTINGS... 8 PROGRAMMING A SECURITY CODE ... 9 UNLOCKING THE KEYPAD... 10 SETTING TIME AND DATE ... 10 PROGRAMMING EVENTS (On/Off Controller) ... 11 PROGRAMMING EVENTS (Bell Ringer)... 12 PROGRAMMING SIGNAL LENGTH (Bell Ringer) ..

  • Page 4: Specifications

    SPECIFICATIONS Input Voltage Input Frequency Input Power Standby Power Standby Time Timing Accuracy Number of Events Signal Duration Daylight Savings Time Display Comm Port Relays Temperature Range Voltage Range Shipping Weight Dimensions WARNING: This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications.

  • Page 5: Introduction

    INTRODUCTION The DWA-S is a single circuit signaling device which can be used as a bell ringer or on/off controller. It is capable of retaining up to 1440 separate events for each day of the week in memory plus a floating lunch and break schedule which can be activated with a single key on the keypad or a remote switch.

  • Page 6: Quick Start Steps

    QUICK START 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 connector from right side of front panel. 4. Slide front panel left and remove completely. 5.
  • Page 7 9. Secure unit to wall using screws (not provided). Wall Anchor Step 2 – Swith Off Power to AC Circuit 1. SWITCH OFF THE CIRCUIT THAT WILL FEED AC POWER TO THE UNIT BEFORE PROCEDING. Step 3 – Connect Wires for 115VAC or 24VAC Bells IMPORTANT! This unit is shipped from the factory as a Bell Ringer.
  • Page 8 IMPORTANT: DO NOT PROCEED IF WIRE COLORS ARE DIFFERENT THAN SHOWN OR IF YOU ARE UNSURE WHICH WIRES ARE AC HOT, AC NEUTRAL AND GROUND. THERE IS RISK OF PERSONAL INJURY AND DAMAGE TO THE UNIT THAT’S NOT COVERED BY WARRANTY.
  • Page 9 Step 5 – Secure Cover 1. Align front panel in track and slide half way to right. 2. Secure ribbon cable on right edge of front panel. 3. Slide front panel all the way closed making sure that the cable lays down. 4.
  • Page 10 Step 9 – Test Signaling 1. Your display should appear as shown in the picture below. If not, please contact your dealer or Lathem Time directly. SECURITY CODE 2. Enter a security code using the day of week keys (remember the days that you selected).

  • Page 11: Dip Switch Settings

    DIP SWITCH SETTINGS code. The unit is shipped from the factory with all dip switches in the ON position. The chart below shows the dip switch settings: Description Switch Time Keeping Frequency Time Format (Security Code Access) Daylight Savings Time Change Operation To access the dip switches, remove...

  • Page 12: Programming A Security Code

    PROGRAMMING A SECURITY CODE Upon power up you are allowed to enter a security code to restrict access to programming functions. When the unit displays “SECURITY CODE”, press from one to four Day of the Week keys. This is your security code. The ERASE EVENT key can be used to clear the code for re-entry.

  • Page 13: Unlocking The Keypad

    UNLOCKING THE KEYPAD To unlock the keypad, press the Day of the Week keys you programmed for the security code followed by RUN. The security keys must be pressed in the exact order as they were originally entered. The display should read “SELECT FUNCTION.”...

  • Page 14: Programming Events (On/Off Controller)

    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 12:00 AM.” Use the FAST FWD and SLOW FWD keys to advance the displayed time to the desired event time.

  • Page 15: Programming Events (Bell Ringer)

    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 12:00 AM” “ON DAYS:” Use the FAST FWD and SLOW FWD keys to advance the displayed time to the desired event time.

  • Page 16: Manual Lunch And Breaks (Bell Ringer)

    MANUAL LUNCH AND BREAKS (Bell Ringer) This function provides a means of programming set lunch and break lengths which can be initiated at various times during the day. It is only available when the unit is used as a Bell Ringer and operating on AC power.

  • Page 17: Signal On/Off

    SIGNAL ON/OFF Pressing the SIGNAL ON/OFF key when the keypad is unlocked changes the On/Off status of the programmed schedule. When the status is ON, bells or controls 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.

  • Page 18: Rs485 Synch

    FCC regulations. Cables less then 3 meters in length require a Fair-Rite bead (Lathem Part # VII0058) installed around the cable. The figure below indicates the signal names and corresponding wire colors.
  • Page 19 FIGURE 2: CONNECTION FOR DWA-S TO LTR-0 FIGURE 3: CONNECTION FOR DWA-S TO LTR-GPS Page 16...
  • Page 20 FIGURE 4: CONNECTING RC-MS TO SYNCH DWA-S OR LTR-0 NOTE: A 9vDC Power Adapter (not shown) is also required for the RC-MS. FIGURE 5: OMC – DWA-S INTERCONNECTION Page 17...
  • Page 21 Sonachron (DWA-S) can be synchronized to Lathem’s LTRx-512 master, LTR-0 master, LTR-GPS receiver, RC-MS master or Omni:ChronII time clock reference devices. Distance from the source can be extended using Lathem’s SWIFT485+ repeater. Omni:ChronII Time Recorder can be equipped with an optional RS485 transmitter for communication with the DWA-S.
  • Page 22 Page 19...
  • Page 23 FIGURE 6: 115/220 VAC BELL WIRING FIGURE 7: LOW VOLTAGE AC BELL WIRING Page 20...
  • Page 24 FIGURE 8: LOW VOLTAGE DC BELL WIRING FIGURE 9: 115/220 VAC CONTROL WIRING Page 21...
  • Page 25 FIGURE 10: LOW VOLTAGE AC CONTROL WIRING FIGURE 11: LOW VOLTAGE DC CONTROL WIRING Page 22...
  • Page 26 FIGURE 12: DRY CONTACT WIRING FOR PAGING SYSTEM OR TONE GENERATOR Page 23...

  • Page 27: Warranty

    Lathem. If it becomes necessary to send the product or any defective part to Lathem or any authorized service dealer, the product must be shipped in its original carton or equivalent, fully insured with shipping charges prepaid.
  • Page 28 OMSC-0708...

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