Sonachron (DWA-S) User`s Manual
Contents
1. a o DK Va N 1 e 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 To change to an ON OFF controller see DIP Switch Setting on page 8 This section provides instructions for wiring 115VAC or 24VAC bells see Wiring Diagrams on pages 20 22 for other options sate HT 1 Remove the desired plug on the top back or bottom of the case and connect wires as shown above 2 Remove cover from terminal strip Page 4 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 INEXPENSIVE TESTERS ARE AVAILABLE AT YOUR LOCAL HOME ELECTRICAL SUPPLY STORE FOR VERIFYING WIRES 3 Connect wires from power cord as follows green ground wire to GND white AC neutral wire to Line Neutral and black AC Hot wire to Line Hot 4 For 115VAC bells or horns connect a jumper wire between Line Hot and CKT 1A Then connect the bell wires to AC Neutral and CKT 1B 5 For 24VAC bells or horns connect a jumper wire between AC Hot and CKT 1A Then connect the transformer 115VAC primary wires to AC Neutral and CKT 1B Then connect the transformer 24VAC seconda2. SELECT FUNCTION displayed press the PRGM EVENTS key The display should read SIGNAL 12 00 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 press the day of the week keys Sun Mon Tue etc to indicate on which day s the bells should ring Pressing a key once will display the day of the week and pressing it again will remove it Once you have chosen the day s for the event use the forward keys to advance the time to the next event and enter the days Continue in this fashion until all events are programmed Press RUN to lock the keypad and return to the normal display While in the Program Events function the PRGM REVIEW and ERASE EVENT keys can be used to scan and erase events respectively To scan programmed events simply press the PRGM REVIEW key The next event in memory will be located and displayed Pressing the key repeatedly will scan through all events sequentially To erase an event locate the event and press the ERASE EVENT key PRGM REVIEW may also be used when the keypad is locked Pressing the key will display the next scheduled event Press the key repeatedly to scan all programmed events The normal display will return after 5 seconds or when the RUN key is pressed Page 12 PROGRAMMING SIGNAL LENGTH Bell Ringer The signal length defaults to 5 seconds To change this value unlock the keypad and press the SIGNA
3. board for connecting to the sending device The interconnection cable between devices should be a minimum of 3 meters long to prevent interference to radio communications as required by 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 Signal Wire Color Receive White Receive Yellow Signal Ground Black OMC DWA S INTERCONNECTION OMC DWA S SYNC CABLE 1 LJ L Page 17 When installing multiple DWA S units all units EXCEPT the one at the end of the RS485 line require jumper E2 be cut When E2 is installed a 100 ohm terminating resistor is internally connected across the RS485 line to reduce the signal reflection and thereby improve reception E2 located on the far left side of the CPU circuit board can be accessed by removing the left end cap Refer to the figure on Page 8 The OMNI CHRON Time Recorder can be equipped with an optional RS485 transmitter for communication with the DWA S When installed the DWA S will synchronize with the time and date from the OMNI CHRON each minute The transmission via RS485 of the following data to the DWA S is required to synchronize the time an date of the unit with other time keeping devices DATA 0 112233456677Z CR 16 chars 0 is address byte is comma
4. require the security code to be accessed MANUAL START LUNCH and START BREAK will be unsecured Pressing the selection requires the security code to be entered prior to both accessing the programming functions and using the MANUAL START LUNCH and START BREAKS keys The remote START LUNCH and START BREAK switches do not require the security code to activate Lunch or Break schedules After choosing the level of security desired press the RUN key to advance to the normal display If unlimited access to all functions is desired no security press the RUN key without pressing any Day of the Week keys when the unit prompts for the security code The unit will advance to the normal display and no security code will be required to access any function To change or view the security code remove the left side panel toggle Dip Switch 2 and return it to the desired position The current security code will be displayed Replace the side panel To change the code press the ERASE EVENT key to clear the current code and program the new code in the same manner as described above If you do not wish to change the code press the RUN key until the normal display returns Page 9 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 To relock th
5. L LENGTH key The current signal length will be displayed Use the FAST FWD and SLOW FWD keys to change the setting Values from 1 to 99 seconds are allowed Press RUN to return to the normal display To review the signal length without unlocking the keypad simply press the SIGNAL LENGTH key The normal display will return after 5 seconds or when the RUN key is pressed Page 13 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 Pressing the START LUNCH or START BREAK key at the keypad or a remote momentary switch connected to the unit causes the bells to signal and a displayed timer to begin counting down the programmed lunch or break time When the timer counts to zero the bells automatically signal again to indicate the end of lunch or break This feature is especially convenient for facilities which are serviced by lunch truck When the truck arrives on site simply press the remote lunch switch to begin the lunch break This function also allows a warning bell to ring before the final lunch or break bell To program a lunch unlock the keypad then press the PRGM LUNCH key Use the forward keys to program the desired lunch length 00 to 99 minutes Press the PRGM LUNCH key a second time to display the length of time 0 to 9 minut
6. N Pressing the MANUAL key when the unit is being used as a Bell Ringer will cause the bells to signal for the length of time the key is pressed This provides a means of operating the bells at unscheduled times Pressing MANUAL while lunch or break is counting down will operate the bells and cause the remaining lunch or break time to be canceled Pressing the MANUAL key when the unit is operating as on On Off Controller will toggle the current On Off status of the controls The MANUAL key will not ring bells if the unit is operating on standby power Page 15 STANDBY POWER During AC power failures the DWA S switches to a quartz crystal time base to maintain the time keeping ability of the unit A 6 volt battery allows the unit to continue operation and retain the programmed schedule for 10 days An on the lower line of the display indicates operation on Standby Power Programming schedule review and manual toggling of the On Off control status are available when operating on battery back up If operating as a Bell Ringer the MANUAL START LUNCH and START BREAK keys and the remote START LUNCH and START BREAK switches are inactive during AC power failures Schedule operation is also inactive when operating as a Bell Ringer Page 16 RS485 The DWA S comes equipped with an RS485 receiver which can be used to synchronize the time and date of the unit with other equipment The option supplies three fly leads on the power supply
7. Sonachron DWA S User s Manual Zo LATHEM TIME Lathem Time Corporation 200 Selig Drive SW Atlanta GA 30336 1 800 241 4990 1 404 691 0400 www lathem com Document No OMSC 0305 Copyright 2005 Lathem Time Corporation All rights reserved TABLE OF CONTENTS SPECIFICATIONS 1 Ne PT NNN 2 QUICK START STEPS cenital 3 DIP SWITCH 8 PROGRAMMING A SECURITY 9 UNLOCKING THE 9 SETTING TIME AND DATE 10 PROGRAMMING EVENTS On Off Controller 11 PROGRAMMING EVENTS Bell Ringer 12 PROGRAMMING SIGNAL LENGTH Bell Ringer 13 MANUAL LUNCH AND BREAKS Bell Ringer 14 SIGNAL ON OFF se RAD 15 MANUAL OPERATION cuencas 15 STANDBY POWER 16 RS485 SYNCH 2 17 WIRING DIAGRAMS Aussee 20 WARRANTY sai 24 SPECIFICATIONS Input Voltage 115 VAC 220 Optional Input Frequency 50 60 Hz Input Power 20 Watts Max Standby Power 1 2 Ah 6 V battery Standby Time 10 Days Timing Accuracy Per line frequency Number of Events 1440 any combination of weekdays Signal Duration Programmable 1 to 99 secs Daylight Savings Automatic Disable by dip switch Time Display 12 or 24 hr selectable Comm Port RS485 Receiver Relays 10 Amp Dry Contact Temperature Range 0Cto60C Voltag
8. d in the following pages Page 7 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 may be changed and the change take effect immediately Dip Switch 4 is read only at power up To change the setting for this switch the unit must be powered completely off and back on Dip Switch 2 is also used to reset the security code Any change in its setting will allow you to view and change the security code The unit is shipped from the factory with all dip switches in the ON position The chart below shows the dip switch settings Dip Te Switch Description ON OFF 1 Time Keeping 60 Hz 50Hz Frequency 2 Time Format 12 Hr 24 Hr Security Code Access 3 Daylight Savings Time Enabled Disabled Change 4 Operation Bell On Off Ringer Controller Page 8 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 Press the RUN key to advance the programming when you are satisfied with the security code The unit will prompt UNSECURED MANUAL FWD TO CHANGE If this selection is chosen only the programming functions will
9. e Range 10 95 of input voltage Shipping Weight 7 b Dimensions 9 34 x Vix 5 3 8 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 It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference Page 1 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 Automatic adjustment for daylight savings time change is also provided A liquid crystal display on the front of the unit displays the current time in 12 or 24 hour format date and day of the week bell or on of control status programming prompts and indication of operation on standby power A 3 x 8 keypad is used for setting time programming events manual operatio
10. e keypad simply press RUN The keypad must be unlocked or no security programmed to access programming functions Remote operation of Start Lunch or Start Break switches do not depend on the status of the keypad or security code Pressing the MANUAL START LUNCH or START BREAK key while in the programming mode keypad unlocked will ring the bells and return the unit to the normal display with the keypad secured The PRGM LUNCH PRGM BREAK SIGNAL LENGTH and PRGM REVIEW keys may be pressed while the keypad is locked to view the current settings of their respective functions SETTING TIME AND DATE Follow procedure above to unlock keypad The display should read SELECT FUNCTION To set the time simply press the SET TIME key and use the FAST FWD and SLOW FWD keys to advance to the correct time The seconds will be set to zero when either forward key is pressed Selecting another function or pressing RUN will start the seconds indexing To set the month date or year press the SET MONTH SET DAY or SET YEAR key respectively Use the forward keys to advance to the appropriate setting Continue to next programming procedure or press RUN to return to the normal display The day of the week will be determined automatically based on the date Page 10 PROGRAMMING EVENTS On Off Controller With SELECT FUNCTION displayed press the PRGM EVENTS key The display should read CONTROL 12 00 AM Use the FAST FWD and SLOW FWD ke
11. es a warning bell will ring before the ending bell rings The default is 0 Use the forward keys to change this value Press the RUN key to return to the normal display Program breaks in the same method Scheduled bells are inhibited during lunch and break periods If the schedule is turned off or the MANUAL key pressed while a lunch or break period is in progress the remaining lunch or break time will be canceled If the wrong key was pressed LUNCH instead of BREAK or BREAK instead of LUNCH simply press the correct key before the programmed time has expired The bells will not ring again and the time already elapsed will be applied towards the programmed time for the break or lunch To review the programmed times without unlocking the keypad simply press the PRGM LUNCH or PRGM BREAK key The normal display will return after 5 seconds or when the RUN key is pressed Page 14 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 The current On Off status of controls will remain active until MANUAL is pressed or the schedule reactivated Press RUN to return to the normal display When the schedule is inactive SCHEDULE OFF will be shown below the time on the display MANUAL OPERATIO
12. n of bells or controls initiating lunch or break bells and on off control of the schedule Access to programming functions and manual keys MANUAL START LUNCH and START is controlled by a user defined security code The time keeping ability of the DWA S is dependent on the power source frequency A clip switch setting selects operation based on 50 or 60 Hz During A C power failures the unit switches to a quartz crystal time base and a 6 volt battery allows the unit to continue to keep time and retain all data for 10 days Upon power resumption the battery automatically recharges with current limited to 1 5 Amperes 42 00 00 AM FRI 01 01 89 SONACHRON Page 2 QUICK START STEPS Step 1 Mount Unit to Wall 1 Unscrew 2 left screws to remove left side panel 2 Slide front panel left Disconnect cable connector from right side of front panel Slide front panel left and remove completely Find a suitable location on the wall that allows at least 10 inches of clearance on the left side to allow the front panel to slide on and off 6 Mark 3 hole positions on wall for mounting the unit Mark Holes 7 Remove plastic bushing from back of unit before mounting on the wall 8 Drill marked holes and Install wall anchors in wall if necessary not provided Page 3 9 Secure unit to wall using screws not provided Drill Holes 7 1 N Wal gt gt 2 m p
13. nd code for Routine Time Update where 11 is hex MS LS of Seconds of Minute 1 59 where 22 is hex MS LS of Minutes of Hr 0 59 where 33 is hex MS LS of Hour of Day 0 23 where 4 is hex Day of Week Sun 0 etc where 5 is hex Month of Year 1 12 where 66 is hex MS LS of Day of Month 1 31 where 77 is hex MS LS of Year offset form 1984 0 127 where Z is the 1 s complement of the mod 64 sum of all characters in the string except the CR and the checksum The transfer rate is 9 600 baud at 8 data bits 1 start bit 1 stop bit and No Parity Page 18 Page 19 WIRING DIAGRAMS FIGURE 1 115 220 VAC BELL WIRING Wire Nut Purple Remote Manual Switch COM Remote Break Switch BRK Remote Lunch Switch DWA S LCH Power Supply Board GND POWER AC Return INPUT AC RTN AC NEUT 115 220 VAC AC IN AC HOT CKT 1 F2 8 Amp E ama Signal Contact 10 Amp Fee 18 mW Signalling Devices FIGURE 2 LOW VOLTAGE AC BELL WIRING Wire Nut Purple Remote Manual Switch SK q amp Remote Break Switch Ln Remote Lunch Switch DWA S LCH Power Supply Board Ground SREEN amp GND 1 POWER AC Return WHITE AC RIN AC NEUT 115 220 vac BLACK AC IN AC HOT N CKT 1 F2 8 5 4 Signal 9 Contact 10 Am
14. p CKT 1B J Low Voltage DC Step Down Signaling Devices Transformer Page 20 FIGURE 3 LOW VOLTAGE DC BELL WIRING Wire Nut Purple amp Remote Manual Switch ER EEE 1 amp Remote Break Switch Remote Lunch Switch DWA S Q LCH Power Supply Board Ground REEN amp GND por AC Return WHITE O ac RIN ac NEUT 115 220 vac BLACK amp Ac IN AC HOT CKT 1A F2 8 Amp LI Internal Signal 9 Contact 10 Amp CKT 18 Low Voltage DC Step Down Signaling Devices Need Transformer FIGURE 4 115 220 VAC CONTROL WIRING r COM BRK DWA S LCH Power Supply Board Ground GND POWER AC Return AC RTN AC NI INPUT Bun 115 220 VAC AC IN AC HOT CKT 1A F2 8 Amp i Interno Signol Contact 10 Amp CKT 1B 1 H Controlled Devices 115 220 VAC LL 9349 1 1 2 AC Return Page 21 FIGURE 5 LOW VOLTAGE AC CONTROL WIRING 115 220 VAC Ln AC Return FIGURE 6 LOW VOLTAGE DC CONTROL WIRING POWER AC Return RTN NEUT INPUT 115 220 vac BUCK AC IN AC HOT 8 a ad perd Synd Contoct 10 Amp CKT 18 1 TI cr A 115 220 VAC AC Return dis Page 22 Page 23 Limited One Year Limited Warranty Lathem warrants the hardware products described in this guide against defects in material and
15. ry wires to the 24 V bells or horns NOTE See pages 20 22 for other wiring options that use the COM BREAK and LUNCH terminals Step 4 Turn on Power Switch 1 Press cover onto Terminal Block 2 Set Power switch to up position Replace Cover Power Switch Page 5 Step 5 Secure Cover 1 Align front panel in track and slide 5 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 Attach red battery wire onto battery post Secure left side panel with the screws fe gt CEU Board Reconnect Cable Red Battery Wire Step 8 Restore Power to AC Circuit 1 MAKE SURE THE SIDE COVERS ARE SECURE THEN SWITCH ON THE AC POWER TO THE CIRCUIT FEEDING POWER TO THE UNIT Page 6 Step 9 Test Signaling 1 Your display should appear like this If not please contact your dealer or Lathem Time directly SECURITY CODE SONACHRON sun ut ven RR fart start prow ANALY Lunch BREAK LUNCH BREAK 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 button and confirm that the bells or horns are sounding properly If not please contact your dealer or Lathem Time directly SONACHRON 5 Set the time and date and program the unit as describe
16. ucts are sold with no expressed or implied warranties of any kind and the implied warranties of merchantability and fitness for a particular purpose are hereby expressly disclaimed No warranties are given with respect to products purchased other than from Lathem or an authorized Lathem reseller and any such products are purchased as is with all faults In no event will Lathem be liable for any direct indirect special incidental or consequential damages arising out of or in connection with the delivery use or inability to use or performance of this product In the event any limited remedy given herein shall be deemed to have failed of its essential purpose Lathem s maximum liability shall be to refund the purchase price upon return of the product 7 Proof of date of purchase from Lathem or an authorized Lathem reseller is required for warranty service on this product 8 This Warranty grants specific legal rights Additional legal rights which may vary by locale may also apply 9 Should any difficulties arise with the performance of this product during warranty or with any Lathem authorized service centers contact Lathem Time at the address below Central Time Clock Since 1931 5 23 50th Avenue Long Island City NY 11101 718 784 4900 718 472 9491 www centraltimeclock com OMSC 0305
17. workmanship for a period of one year from date of original purchase from Lathem or from an authorized Lathem reseller The conditions of this warranty and the extent of the responsibility of Lathem Time Corporation Lathem under this warranty are listed below 1 This warranty will become void when service performed by anyone other than an approved Lathem warranty service dealer results in damage to the product 2 This warranty does not apply to any product which has been subject to abuse neglect or accident or which has had the serial number altered or removed or which has been connected installed adjusted or repaired other than in accordance with instructions furnished by Lathem 3 This warranty does not cover dealer labor cost for removing and reinstalling the machine for repair or any expendable parts that are readily replaced due to normal use 4 sole responsibility of Lathem under this warranty shall be limited to repair of this product or replacement thereof at the sole discretion of Lathem 5 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 Lathem will not assume any responsibility for any loss or damage incurred in shipping 6 WARRANTY DISCLAIMER AND LIMITATION OF LIABILITY Except only the limited express warranty set forth above the prod
18. ys to advance the displayed time to the desired event time Once the event time is reached press the day of the week keys Sun Mon Tue etc to indicate on which day s the control should operate Pressing a key once will display the day of the week and pressing it again will remove it The control will default to OFF press the SIGNAL ON OFF key to toggle the control between OFF and ON Once you have chosen the day s and on off status for the event use the forward keys to advance the time to the next event and enter the day s and On Off status Continue in this fashion until all controls are programmed Press RUN to lock the keypad and return to the normal display While in the Program Events function the PRGM REVIEW and ERASE EVENT keys can be used to scan and erase events respectively To scan programmed events simply press the PRGM REVIEW key The next event in memory will be located and displayed Pressing the key repeatedly will scan through all events sequentially To erase an event locate the event and press the ERASE EVENT key PRGM REVIEW may also be used when the keypad is locked Pressing the key will display the next scheduled event Press the key repeatedly to scan all programmed events The normal display will return after 5 seconds or when the RUN key is pressed ALL LUNCH and BREAK keys and remote switches are inactive when using the unit as an On Off Controller Page 11 PROGRAMMING EVENTS Bell Ringer With
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