MC4181LV SERIES MASTER CLOCKS
Contents
1. 41611 SERIES MASTER CLOCKS APPLIED ATS TECHNICAL TEMS m MC4181LV SERIES MASTER CLOCKS REV 09 18 00 TABLE OF CONTENTS INTRODUCTION SPECIFICATIONS INSTALLATION FRONT PANEL DESCRIPTION OPERATION Filling out the Program Record Sheet and Auto Prompt Display The Cursor Entering Data Exiting Auto Prompt Applying Power Entering Reviewing or Editing Time Entering Reviewing or Editing Date and Day Entering Reviewing or Editing Daylight Savings Time Entering Reviewing or Editing The Relay Pulse for Relays 1 3 4 5 6 7 8 Entering Reviewing or Editing the Relay 2 Pulse Entering Reviewing or Editing The Secondary Clock Modes Entering Reviewing or Editing The Basic Plan Program Clearing Program Steps Entering Reviewing or Editing The Annual Plan Program Clearing The Annual and Basic Programs SPECIAL FUNCTIONS Manual Operation of the Output Relays Entering Reviewing or Editing The Relay Pulse for Relays 1 3 4 5 6 7 8 Entering Reviewing or Editing the Relay 2 Pulse Manual Selection of Alternate Plans Setting The Maximum Number of Steps Per Plan Display Blanking Status Forcing a Restart Software Version PROGRAMMING SUMMARY ADVANCED PROGRAMMING Custom Weeks and Annual Repeat Programs RS232 I O Interface MODES SHEETS and ADDENDA THIS MANUAL COVERS THE MG4181LV RACK MOUNT APPLIED TECHNICAL SYSTEMS 10 13 17 18 19 21 22 END PAGE 1 MC4181LV SERIES MASTER CLOCKS REV 092. key instead of entering two digits for the year Pressing the A key will insert XX for the year The following Annual Plan Program will begin December 19 and end January 1 every year Start 12 19 XX End 01 01 XX APPLIED TECHNICAL SYSTEMS PAGE 21 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 RS232 I O INTERFACE An 5232 interface is provided for communicating with the MC4181LV With this interface complete master clock programs can be uploaded or downloaded using the MC Programming Software MC DISK1 For details on the MC Programming Software refer to the MC DISK1 User s Manual In addition Time Date and Day of the Week can be sent to and from the MC4181LV for synchronizing computers other master clocks and digital clocks The MC4181LV receives a series of 10 Byte messages via RS232 from a computer or another master clock such as the AE Series of GPS Master Clocks These 10 Byte messages can include Time in 12 or 24 Hour format Date Day of the Week and other control functions In addition the MC4181LV will automatically transmit the 10 Byte messages for time in 12 Hour format Date and Day of the Week for use by ATS Displays This information will be sent once each minute at the top of the minute All remote ATS Displays must be set for address 15 to display Time to address 13 to display Date or to address 12 to display day of the week The Day of the Week is simply a number from 1 to 7 with 1 Sunday T
3. APPLIED TECHNICAL SYSTEMS PAGE 17 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 The master clock can be reconfigured to allow more than 20 Steps per Plan Special function Command 31 is used to adjust the number of Steps per Plan from 20 to 100 The number of Alternate Plans will automatically be adjusted to fit the maximum number of 200 Steps available Changing the maximum number of Steps per Plan should be done prior to entering your program To set the number of Steps type 3 1 ENTER The display will read Max Step No 19 0 99 ENTER The cursor will be flashing on the maximum Step number Since all Step numbers begin with 0 a maximum number of 19 represents 20 Steps If your application requires 26 Steps enter 25 for the maximum Step number then press ENTER The display will respond as follows Max Buffer No 6 Press EXIT Since the Basic Plans begin with Plan 0 this means there are a total of 7 Plans available Each will have 26 Steps To go back to the time display press EXIT DISPLAY BLANKING 9 8 ENTER The master clock display will automatically blank if the keyboard has not been used for 5 minutes To override this feature press 9 8 and ENTER To change it back press 9 8 and ENTER again STATUS 9 0 ENTER The master clock has a status check capability Press 9 0 ENTER The display will show APPLIED TECHNICAL SYSTEMS PAGE 18 MC4181LV SERIES MASTER CLOCKS REV
4. A DB9 male connector for RS232 communications POWER FAIL BACKUP APPLIED TECHNICAL SYSTEMS PAGE 3 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 Non Volatile Memory keeps time and programs for extended power outages Outputs and display are disabled during backup The MC4181LV resumes normal operation when power returns ACCURACY Time Keeping Synchronous with the AC power line During a power failure it is quartz crystal controlled with an accuracy of 005 throughout its full temperature range Programmed Events On Off events are programmable with a one minute resolution and occur at the zero second of that minute Operating Temperature Range is from 0 to 50 degrees C PHYSICAL MC4181LV Anodized aluminum enclosure that measures 19 W X 3 5 H X 8 D Rack mounts in a standard 19 equipment rack Mounting ears are included INSTALLATION The MC4181LV should be securely mounted in a 19 equipment rack according to any local codes using the mounting ears provided Be sure the equipment is properly grounded to the panel or the facilities ground connection ELECTRICAL CONNECTIONS Output relay wiring connections are made at the clearly marked terminal blocks located on the back panel of the MC4181LV enclosure Remove the terminal block cover plate on the back panel of the MC4181LV to gain access to the terminal blocks See the wiring diagram at the back of this manual for more detail Be sure to replace the terminal block cov
5. date stored previously It may even be showing all O s if you exited from the auto prompt sequence The cursor will be flashing in the month s position The bottom line will give you additional information on how to enter the data Type the two digit number for the month and press ENTER If the correct two digits are already there simply press ENTER The cursor will move to the day position Type the two digits for the day and press ENTER The cursor will move to the year position Type the two digits for the year and press ENTER The master clock will go back to the time display To review your entry press the DATE key D and ENTER The date display will appear You can edit the date again if you wish or press EXIT to return to the time display Remember that if you edit any part of the time date or any program steps you must not exit Press ENTER until all positions of the display have been edited or you have accepted the default information in each display ENTERING REVIEWING OR EDITING THE DAY 4 ENTER You must be in the time display Press the DAY key 4 The display will respond with Command 04 Press ENTER Press ENTER The display will respond with Day Sun DAY key ENTER APPLIED TECHNICAL SYSTEMS PAGE 8 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 It may be showing the correct day or some other day stored previously Press the DAY key 4 until the desired day is shown on the display and th
6. select step 00 and the display will read as follows 00 WDY 00 00 AM If you have seleq Relays rrectio be available for The 00 indicates that this is step 00 being displayed The cursor will be flashing on the W of WDY weekday Program steps may be programmed for individual days such as Mon or Tue or for groups of days such as WDY for weekdays Mon through Fri EDY for everyday Sun through Sat or WND for weekends Sat amp Sun Special Weeks WkO thru Wk9 can be created for your specific needs For example a Mon Wed Fri week See the ADVANCED PROGRAMMING Section for more details Press the DAY 4 key to advance to the chosen day or group of days The display will update as you press the DAY 4 key Once the preferred day or group is APPLIED TECHNICAL SYSTEMS PAGE 11 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 displayed press ENTER The display will advance to the hour s position Enter the two digit hour at which this step is to be activated and press ENTER The display will advance to the minute s position Enter two digits for the minutes and press ENTER The display will advance to the AM PM position Press the AM 1 or PM 2 key then ENTER The display will advance to the first position after the word RELAY Enter the number of the relays you wish to be energized by this program step The relay numbers will appear on the bottom line as you press
7. sequence if desired and enter the program manually from the time display Entering a program from the Auto Prompt sequence is identical to entering one manually except that a prompt is provided in the Auto Prompt mode THE CURSOR On many of the display messages you will see a flashing square character called the cursor The cursor indicates that you may now enter or change the data at that position of the display ENTERING DATA APPLIED TECHNICAL SYSTEMS PAGE 5 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 As data is entered the master clock constantly checks for a valid entry For example you cannot enter 13 fora month when setting the date After entering valid data to a position on the display the cursor will advance to the next position If you have tried to enter invalid data the cursor will remain at the same position indicating you must re enter the data Simply re enter the data on top of the existing data and press ENTER Generally data is entered two digits at a time and shifts left with each entry EXITING THE AUTO PROMPT SEQUENCES Any time during a set time date or programming mode you may wish to exit the Auto Prompt sequence Simply press the EXIT key The master clock will advance to the time display From this display you may enter any of the sequences manually This manual will assume you have exited the Auto Prompt sequence after entering the time If you had remained in the Auto Prompt sequence all the sequen
8. 09 18 00 T status is for factory use only It should always be N B status indicates which Basic Plan is in effect A status indicates which Annual Plan is in effect XX indicates no Annual Plan in use at this time BK status indicates whether the display blanking is on or off FORCING A RESTART 7 7 ENTER For training purposes or clearing all programming information from the master clock a cold start is recommended Press 7 7 ENTER The display will show the UNIT POWER FAIL message UNIT POWER FAIL Press 3 key SOFTWARE VERSION 9 9 ENTER To check the version of the software installed in your master clock press 9 9 ENTER The display will read MC41 Master Clk OR M841 Master Clk Version 2 XX Version 2 XX After 5 seconds the display will return to the time display PROGRAMMING SUMMARY Read the sections on Programming Instructions before using the PROGRAMMING SUMMARY SET TIME Press TIME 3 key then ENTER Enter the hours press ENTER Enter the minutes press ENTER Press AM or PM press ENTER Timing begins the instant you press ENTER after entering the AM or PM SET DATE Press DATE D key then ENTER Enter month press ENTER Enter day press ENTER Enter year press ENTER SET DAY Press the DAY 4 key then ENTER Press the DAY 4 key until desired day is displayed then press ENTER SET DST DATES Press DST 7 key then ENT
9. 18 00 MC4181LV is an eight circuit master clock with a built in RS232 I O port This manual will reference this unit as the MC4181LV or the Master Clock INTRODUCTION The MC4181LV is a low voltage multiple output calendar programmable solid state master clock It is used for synchronizing most secondary clocks and for switching electric circuits according to a preset time and date program The MC4181LV s Auto Prompting alphanumeric display makes programming fast and simple The outputs can be used to ring bells to control audio visual equipment or to control lighting heating ventilating air conditioning and security systems with a variety of programming capabilities ranging from a simple 7 day plan to a more complex plan utilizing its powerful alternate annual programming features The MC4181LV is an eight circuit model Secondary clock correction modes are built in and can be selected from the keyboard If a secondary clock correction mode is selected the MC4181LV will dedicate two of its relay outputs for correction thus the MC4181LV is now a six circuit model with correction If the MC4181LV is not being used for correcting secondary clocks Mode 0 then all output relays are available for timed events The output relays are rated at 48 VAC 15 amps resistive load Selected outputs can be independently programmed for momentary operation such as required for ringing bells in schools churches or industrial facilities The RS232 I O p
10. A key then ENTER The display will respond with ANNUAL 00 BASIC 1 Enter the Annual Plan number to be cleared and press ENTER twice The display will show the contents of that Annual Plan Start 12 19 00 End 01 01 01 Enter 00 for the Start month and press ENTER The plan will be cleared There is no need to clear the end date once the start date has been cleared If you are programming the clock from a cold start the annual and basic program steps will be cleared already If you are re programming a previously programmed clock you will need to erase any previous programs as they could conflict with your new program To clear all program steps press the CLEAR C key The display will respond with Command 0C Press ENTER Press ENTER The display will respond with Clear buffers A ANNUAL B BASIC To clear the Annual program press Basic program instead press B to the time display To clear the Press 0 9 or A for all sets Choose a Basic Plan number to clear or press A to clear all Basic Plans If you wish to clear both the annual and basic programs repeat the process a second time Only one can be cleared at a time APPLIED TECHNICAL SYSTEMS PAGE 14 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 SPECIAL FUNCTIONS MANUAL OPERATION OF THE OUTPUT RELAYS 1 ENTER WARNINGI Manually controlling the relays will affect the loads connected to the Master Clock Operating these loa
11. ER Enter month for Spring DST press ENTER Enter the desired Sunday for Spring DST press ENTER Enter month for Fall DST press ENTER Enter the desired Sunday for Fall DST press ENTER ENTERING THE SECONDARY CLOCK MODE Press keys 2 0 then ENTER Press any key to advance the mode to the desired mode then press ENTER SETTING THE MAXIMUM NUMBER OF STEPS PER PLAN Press 3 1 then ENTER Enter the desired number of steps per plan up to 99 the press ENTER Press EXIT after reviewing the display ENTERING THE BASIC PLAN PROGRAM Press the BASIC B key then ENTER Enter the desired step number press ENTER Press the DAY 4 key until desired day or group of days is displayed press ENTER Press AM or PM press ENTER Enter the desired relays to turn APPLIED TECHNICAL SYSTEMS PAGE 19 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 ON press ENTER The step is now programmed and ready for the next step Repeat this process until entire program is entered then press EXIT ENTERING THE ANNUAL PLAN PROGRAM Press the ANNUAL A key then ENTER Enter the desired Annual Plan number press ENTER Enter the start month press ENTER Enter the start day press ENTER Enter the start year press ENTER Or press A to enter XX for the year and make the plan an Annual Repeat Plan Enter the end month press ENTER Enter the end day press ENTER Enter the end year press ENTER Or pres
12. G MODE and for stepping through the stored BASIC PLANS for review The BASIC PLANS contain the daily timed events instructions CLEAR KEY C Used for clearing all ANNUAL PLANS and or BASIC PLANS DATE KEY D Used for entering the SET DATE MODE for entering date or reviewing the date EXIT KEY F Used for exiting any of the SET TIME SET DATE or PROGRAM MODES OFF KEY 0 Used for setting the pulse to OFF when in the PULSE PROGRAMMINGMODE ENTER KEY E Used for entering all commands or for stepping through any SET TIME SET DATE or PROGRAM data entry DST KEY 7 Used for entering the SET DAYLIGHT SAVINGS TIME PROGRAM MODE DAY KEY 4 Used for setting the day in the SET TIME and PROGRAM MODES Also used for entering the SET DAY MODE OPERATION FILLING OUT THE PROGRAM RECORD SHEET The MC4181LV has extensive programming and control capability In order to accurately document and enter your program the Program Record Sheet should be used This sheet is self explanatory Copies are included at the back of this manual AUTO PROMPT DISPLAY The MC4181LV has a feature called Auto Prompt that guides the operator when programming the unit For the most part the operator merely has to follow the display as the master clock advances through the Program Modes Ona cold start from a power fail condition the master clock will advance through a sequence of all the necessary settings including the Basic Plans You may exit this
13. REPEAT EACH YEAR AUTOMATICALLY PRESS A WHEN PROMPTED FOR THE YEAR THIS WILL INSERT XX FOR THE YEAR PORTION OF THE DATE SPECIAL FUNCTIONS MANUAL PULSE 1 PULSE 2 MODE SELECT APPLIED TECHNICAL SYSTEMS STATUS SELECT ALTERNATE PLAN DEFINE CUSTOM WEEKS SET PROGRAM SIZE PAGE 24 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 TECHNICAL SUPPORT For any questions concerning installation and operation of this product contact our factory at PHONE 800 444 7161 OR FAX 318 797 4864 SERVICE POLICY It is recommended that all service for this product be done by the factory or by a factory authorized service representative Applied Technical Systems will provide ongoing service support in and out of warranty Send your repairs to APPLIED TECHNICAL SYSTEMS 849 KING PLACE SHREVEPORT LA 71115 APPLIED TECHNICAL SYSTEMS WARRANTY POLICY ATS warrants its products to be free of defects in material and workmanship for a period of 24 months from the date of purchase ATS will repair or replace any product returned to its authorized factory service center within the warranty period so long as there is no evidence that the product has been abused misused damaged by lightning overloads of any kind or water or altered in any way Products returned for warranty must be returned with freight prepaid ATS will pay normal freight charges to return the product to the customer Special premium freight requested by the c
14. The master clock will return to the time display If pulsed output is desired enter the number of seconds duration for this pulse from 1 to 9 seconds and press ENTER Pulse 3 seconds For Relay 2 The master clock will return to the time display MANUAL SELECTION OF ALTERNATE PLANS 2 1 ENTER Alternate Plans can be selected from the keyboard in addition to being selected by the ANNUAL PROGRAM To select an Alternate Plan type 2 1 ENTER The display will respond with Select New Basic 0 Enter the desired Basic Plan number then press ENTER The master clock will run the Basic Plan you have selected The master clock will automatically go back to Basic Plan 0 after 12 00 AM Also if any of the following changes are made the master clock will return to Basic Plan 0 Entering a new time A power failure of any duration Entering a new date Modifying the Annual programs Clearing the Annual programs Use special function 90 STATUS to verify which plan is running SETTING THE MAXIMUM NUMBER OF STEPS PER PLAN 3 1 ENTER The master clock has a default setup of 10 Basic Plans with 20 Program Steps each for a total of 200 steps These plans are numbered Plan 0 through Plan 9 Plan 0 is the main Plan that will repeat itself every 7 days Plans 1 through 9 are Alternate Plans that can be scheduled by the Annual Program or they can be called up manually using the MANUAL SELECTION function as described above
15. advance to the minute s digits Again the bottom line is a prompt for entering the minutes Type two digits for the minutes and press ENTER The cursor will advance to the AM position Press the AM or PM key then press APPLIED TECHNICAL SYSTEMS PAGE 6 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 ENTER Time keeping begins the instant you press ENTER Time can be accurately set to the second by pressing the ENTER key at the desired instant After the time is set the display will advance to the set date display The master clock will continue to Auto Prompt all of the programming modes as data is entered ENTERING REVIEWING OR EDITING TIME AND PROGRAMS This section will explain how to change or review the existing time date or programs previously stored or to totally program the unit If you have exited from the Auto Prompt sequence it describes how to manually invoke each mode If you did not exit the Auto Prompt sequence ignore the first few instructions that explain how to invoke each mode ENTERING REVIEWING OR EDITING TIME ENTER You must be in the time display before you can enter time Press the EXIT key to be sure The display should look similar to the following Mon 01 18 00 PM OR Mon 01 18 00 PM Relays 1234 Relays 12345678 Press the TIME key 8 The display will respond with Command 03 Press ENTER Press ENTER The display will respond with Time 12 34 AM Hrs HH ENTER It ma
16. associated Alternate Plan This feature can be used to schedule any 1 of the 1 to 9 alternate 7 day plans to be used by the MC4181LV All annual plans can be programmed to repeat on a yearly basis so that they don t have to be reprogrammed each year Programmable Daylight Savings Time Adjustment The MC4181LV can be programmed to automatically adjust its time for Daylight savings time changes according to U S law even if the law changes Automatic Leap Year Compensation Manual Override The output relays can be manually energized or de energized from the keyboard The manual override remains in effect until the next programmed step occurs During this period the word manual will be shown on the display Pulsed Output Selected outputs can be programmed individually or as a group to operate as momentary contacts programmable from 1 to 9 seconds Relay 2 Output Relay 2 can be set for a different duration than the other outputs In addition any output that is triggered at the same time as relay 2 will operate for the same duration as relay 2 ELECTRICAL Power Standard power required is from 95 VAC to 135 VAC 60 HZ at 10 VA maximum A 12VAC power module is provided for the MC4181LV Series master clocks Outputs Eight relays SIX SPST TWO SPDT rated at 15A 48 VAC or 12 VDC resistive See the Mode Sheets at the back of this manual for details Wiring Clearly labeled Terminal Blocks on the back panel for relay outputs
17. ces covered in the section on ENTERING REVIEWING OR EDITING TIME AND PROGRAMS would automatically be invoked APPLYING POWER Before power is applied be sure all installation and wiring is completed to all local codes Upon first applying power the display will come up with a brief sign on message showing the model and version numbers MC41 Master Clk MC81 Master Clk Version 2 XX OR Version 2 XX After a few seconds the first Auto Prompt message will appear If the following message does not appear go to the ENTERING REVIEWING OR EDITING TIME AND PROGRAMS section UNIT POWER FAIL Press 3 key Simply press key 3 The display will prompt with the set time display Time 00 00 AM Hrs HH ENTER From this point forward you can exit the Auto Prompt sequence at any time if desired by pressing EXIT However the programming is simplified by staying in the Auto Prompt mode Notice that every numeric field is zero On a cold start all memory is cleared in the master clock including time date and program steps The cursor will be flashing in the hour s digits The bottom line is a prompt to enter 2 digits HH for hours Enter the hours then press the ENTER key Two digits are required for the hours Example 01 instead of 1 The cursor will remain flashing in the hour s digits if an invalid number is entered for the hours Enter the correct hours Once a valid number is entered for the hours the cursor will
18. ds at the wrong time may cause damage injury or disruption of activities Be aware of what is being operated by the relays and let others know that this is about to take place To manually control the output relays from the keyboard press the MANUAL 1 key The display will respond with Command 01 Press ENTER APPLIED TECHNICAL SYSTEMS PAGE 15 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 Press ENTER The display will respond with Manual Control OR Manual Control Relays Key in the number s of the relay s that you would like to manually control The numbers of the relays chosen will be seen on the bottom line of the display To turn a relay off press its number again Manual Control Manual Control Relays 12 4 OR Relays 12 5678 After selecting the relays press ENTER The output relays chosen will be energized and the Master Clock will return to the time display The relays will remain on for the duration of their respective pulse length or until the next program step instructs them to turn off or until they are manually operated again If the Master Clock is using a secondary mode relays 3 and 4 won t be controlled by the Manual command as they will be dedicated to controlling secondary clocks ENTERING REVIEWING OR EDITING THE RELAY PULSE MOMENTARY OUTPUTS FOR RELAYS 1 3 4 5 6 7 8 5 ENTER The pulse is normally set to zero for programming steady state ON and OFF events A pulsed
19. e user defined for the MC4181LV This is useful for applications that require the same events on various groups of days of the week For example custom week WKO could be defined for Mondays Wednesdays and Fridays To define WkO through Wk9 press 2 2 ENTER Set Days for WkO Days M W F The numbers 1 through 7 correspond to the days of the week Press 1 for Sunday 2 for Monday etc Press A to enter and advance to the next custom week Press EXIT to return to the time display To review the custom weeks press 2 ENTER then A to cycle through WkO to Wk9 Press EXIT to return to the time display To create Basic Plan Steps with this feature use the same procedure as entering standard Basic Plan Steps Now when prompted for the Day or days of the week for a given Step these new custom weeks will appear as choices along with the standard Days WkO 08 30 AM WkO 08 30 AM OR Relays 1 2 Relays 1 2 ANNUAL REPEAT PROGRAMS Some Annual Plan programs may have the same Start and End dates every year such as Christmas July 4 and New Years Day Instead of creating multiple Annual Programs for each of these holidays special Annual Programs can be created for each holiday that cover every year into the future To create these special Annual Plan programs use the same procedure as entering standard Annual Plans When prompted for the year YY for the Start and End dates press the A
20. en press ENTER The display will return to the time display ENTERING REVIEWING OR EDITING DAYLIGHT SAVINGS TIME 7 ENTER You must be in the time display Press the DST key 7 The display will respond with Command 07 Press ENTER Press ENTER The display will respond with the default entries for the current U S law as follows S DST M 04 SUN 1 F DST M 10 SUN L The top line is for the Spring DST and the bottom line is for the Fall DST The S indicates the Spring DST and the F indicates the Fall DST The cursor will be flashing in the month position Enter the two digits for the month in which you wish the Spring DST adjustment to be made 04 for current US law then press ENTER The valid Spring months are 00 03 04 and 05 Enter 00 for the month if you do not wish to use the automatic DST feature and the master clock will return to the time display After a valid month is entered the cursor will advance to the L in the Sunday position Enter a 1 for the first Sunday current US law 2 for the second 3 for the third 4 for the fourth or L for the last Sunday Use the 5 key to enter the L The change will be made at 02 00 AM on the Sunday you choose After the Spring DST data is entered the cursor will advance to the Fall DST line If you have entered a Spring DST you must enter a Fall DST as well Failure to do so will erase the Spring DST and then there will be no DST compensation Fall DST is entered in the sa
21. er plate after making wiring connections A 12VAC power module is provided for the AC power with a coaxial power jack labeled on the back panel of the MC4181LV enclosure A DB9 male connector is provided for RS232 communications FRONT PANEL DESCRIPTION ALPHANUMERIC DISPLAY Used for displaying time day date and output status and for displaying information during programming or reviewing stored programs In the normal mode of operation the display will be in TIME DISPLAY showing the day time and relays from which you can enter the TIME SET MANUAL CONTROL and PROGRAMMING MODES KEYBOARD Many keys serve multiple functions Those keys are clearly labeled with their functions to the side and top of the key They cannot be used incorrectly as the display will AUTO PROMPT the user as to which key to press AM ON KEY 1 Used for setting the time to AM when in the TIME SET or PROGRAMMING MODES and for entering the MANUAL CONTROL MODE PM KEY 2 Used for setting the time to PM when in the TIME SET or PROGRAMMING MODES TIME KEY 3 Used for entering the TIME SET MODE APPLIED TECHNICAL SYSTEMS PAGE 4 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 ANNUAL KEY A Used for entering the ANNUAL PROGRAMMING MODE and for stepping through the stored ANNUAL PLAN for review The ANNUAL PLAN contains the schedule for the alternate BASIC PLANS in calendar schedule form BASIC KEY B Used for entering the BASIC PLAN PROGRAMMIN
22. ess ENTER The cursor will then prompt for the Basic Plan to select with this Annual Enter the Basic Plan number then press ENTER The display will read Start 00 00 00 There may be a date already in the s End 00 00 00 program It is not necessary to erase this old date Simply enter new elu 1856 an annual plan see the section titled CLEARING THE ANNUAL AND BASIC PROGRAMS The cursor will be flashing in the month s position Type the two digits for the month at which this Annual Plan will start and press ENTER The display will advance to the day s position Type the two digits for the day and press ENTER The display will advance to the years position Type the two digits for the year and press ENTER or press XX to repeat the Annual program each year See the ANNUAL REPEAT PROGRAMS instructions in the ADVANCED PROGRAMMING section for details The cursor will advance to the end date line Enter the end date in the same manner as the start date If your Annual Plan is only for one day do not enter an end date Just press ENTER to put in the months and the display will advance to the next Annual Plan APPLIED TECHNICAL SYSTEMS PAGE 13 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 ANNUAL 01 BASIC 1 Repeat the same procedure for Annual 01 as you did for Annual 00 or press EXIT to return to the time display CLEARING THE ANNUAL AND BASIC PROGRAMS To clear an Annual Plan press the ANNUAL
23. he RS232 output can drive up to 50 ATS Displays at a distance up to 2000 feet away each display requires local power For additional displays and additional distance AE 455DR6 RS232 Drivers can be added to the system See the Application Note ANAE13 at the back of this manual Depending on your application a specific signal cable will be required Refer to the system block diagram for your system to determine the required cable The MC4181LV Master Clock uses a DB9 male connector on the back panel for the RS232 I O Port APPLIED TECHNICAL SYSTEMS PAGE 22 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 MC SERIES PROGRAM RECORD SHEET LOCATION DATE PULSE LENGTH FOR RELAYS 1 3 4 5 6 7 8 1 9 SECS ____ RELAYS PULSED PULSE LENGTH FOR RELAY 2 1 9 SECONDS __ SECONDARYMODE ___ SEE NOTE 1 BASIC PLAN NUMBER OF STEPS PER PLAN CUSTOM WEEK SETTINGS Wk0 9 HH MM NOTE 1 When modes other than 0 are selected relays 3 amp 4 are dedicated to correction outputs and are unavailable for other programming APPLIED TECHNICAL SYSTEMS PAGE 23 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 ANNUAL PLAN PROGRAM RECORD SHEET LOCATION DATE START DATE END DATE 00 ANNUAL BASIC MM DD YY MM DD YY 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 NOTE TO HAVE ANNUAL PROGRAMS
24. me manner as the Spring DST Current US law for Fall DST is the last Sunday in October Enter 10 for the month and L 5 for the Sunday The valid months for the Fall DST are 09 10 and 11 The valid Sundays for the Fall DST are 1 2 3 4 and L Use the 5 key to enter the L The change will be made at 02 00 AM on the Sunday you choose ENTERING REVIEWING OR EDITING THE RELAY PULSE MOMENTARY OUTPUTS FOR RELAYS 1 3 4 5 6 7 8 5 ENTER The pulse is normally set to zero for programming steady state ON and OFF events A pulsed output may be needed for applications requiring a momentary output such as ringing school bells APPLIED TECHNICAL SYSTEMS PAGE 9 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 A second momentary output of a different duration may be required for late bells or warning bells Relay 2 is reserved for the second pulsed output Start from the time display Press key 5 The display will respond with Command 05 Press ENTER Press ENTER The display will respond with Pulse OFF Pulse OFF i The cursor will be flashing on the O in OFF If pulsed output is not wanted press OFF 0 then ENTER The master clock will return to the time display To program pulsed output on 1 or more output relays enter the duration for the pulse from 1 to 9 seconds and press ENTER Pulse 3 seconds OR Pulse 3 seconds Relays 1 3 4 Relays 1 345678 Enter the number of the relay or relays to pulse Relay 2 will n
25. ndary clock modes Once the desired secondary clock name and model number is displayed press ENTER to select that model For the Simplex Series 77 the display will be MODE 2 Simplex Series 77 After pressing ENTER the master clock will return to the time display Please note that relays 3 and 4 are dedicated to secondary clock correction and will no longer be available for timed events ENTERING REVIEWING OR EDITING THE BASIC PLAN PROGRAM B ENTER If the basic program was not entered during the cold start Auto Prompt sequence it can be entered by entering the basic program mode This mode allows the operator to program the daily timed events Before entering your program be sure to write it out on a program record sheet You may need to change the size of your basic program See CHANGING THE BASIC PROGRAM SIZE section for more detail Press BASIC B The display will respond with Command 0B Press ENTER Press ENTER The display will respond with BASIC Plan 0 Step 00 The cursor will be flashing on the zero for Plan 0 Plan 0 is the first of 10 Basic Plans each of which contains a 7 day plan Plan 0 is the main 7 day plan and plans 1 through 9 are alternate 7 day plans Alternate plans can be scheduled on an annual basis more on this in the Annual Programming sections Press ENTER to select plan 0 The cursor moves to the Step 00 position Step 00 is the first step of 20 steps in plan 0 Press ENTER to
26. o be cleared then press ENTER The chosen step and its program contents will be displayed The cursor will be on the first letter of the day of the week Press ENTER The cursor will go to the hour s position Enter 00 for the hours This will clear this specific step Press ENTER The display will advance to the next step If you are finished press EXIT The display will read BASIC Plan 1 Step 00 Choose another plan to edit or press EXIT again to return to the time display If you wish to erase all the program steps see the section on CLEARING THE ANNUAL AND BASIC PROGRAMS ENTERING REVIEWING OR EDITING THE ANNUAL PLAN PROGRAM A ENTER The annual program allows the master clock to be programmed to select any 1 of the 9 alternate basic plans This feature is useful for applications that require a different 7 day plan at different times in the future There are 20 Annual Program Plans each of which has a starting and ending date and an associated alternate Basic Plan The selected alternate plan will begin at 12 00 AM on the start date and will end at 12 00 AM on the day after the end date Basic Plan 0 takes over at the end of any Alternate plan To enter the annual program mode press the ANNUAL A key The display will respond with Command 0A Press ENTER Press ENTER The display will respond with ANNUAL 00 BASIC 1 The cursor will be prompting for an Annual Plan number 00 is the first Annual Plan Pr
27. ort is used to drive ATS CC2000 Series or AE Series Large Displays It is also used for communications between the MC4181LV and a PC or a GPS Master Clock SPECIFICATIONS APPLIED TECHNICAL SYSTEMS PAGE 2 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 PROGRAMMING CAPABILITIES AUTO PROMPTING DISPLAY Provides display information to guide the operator during programming From a cold start it will take the operator from setting time to setting the basic program steps Programmable Secondary Clock Modes Simple keyboard entry allows for selection of the desired secondary clock synchronization modes Most secondary clock modes are included Selecting Mode 0 allows all output relays to be used for timed events 200 Powerful Program Steps The MC4181LV has a default set up of 1 Basic 7 day plan and 9 Alternate 7 day plans that can be scheduled on an annual basis for a total of 10 plans each having 20 program steps If more than 20 program steps are needed they can be programmed using a keyboard entered function Up to 100 steps per program can be programmed for a total of 2 plans Each step can be programmed for all or any combination of the output relays for the specific day of the week or for all 5 weekdays or for both weekend days or for everyday of the week In addition the steps can be programmed in customized groups such as Monday Wednesday and Friday only 20 Annual Plans Each annual plan has a starting and ending date and an
28. ot be available for this pulse Also if you are using any of the built in correction modes relays 3 and 4 will not be available for this pulse The examples above show all relays except relay 2 set to pulse for 3 seconds ENTERING REVIEWING OR EDITING THE RELAY 2 PULSE MOMENTARY OUTPUT 5 A ENTER To enter the pulse for relay two you must be at the time display Press 5 A ENTER The display will respond with Pulse OFF For Relay 2 The cursor will be flashing on the O in OFF If pulsed output is not wanted press OFF 0 then ENTER The master clock will return to the time display To program pulsed output on relay 2 enter the number of seconds duration for this pulse from 1 to 9 seconds and press ENTER Pulse 3 seconds For Relay 2 The master clock will return to the time display ENTERING REVIEWING OR EDITING THE SECONDARY CLOCK MODE 2 0 ENTER Type 2 0 ENTER Display will read MODE 0 DISABLED APPLIED TECHNICAL SYSTEMS PAGE 10 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 See the MODE SUMMARY at the back of this manual for more details If you are not correcting secondary clocks you can set the mode to 0 In this mode all outputs are available for timed events Simply press ENTER to select mode 0 and the master clock will advance to the next Auto Prompt display To select a specific mode press any key except ENTER or EXIT This will advance the display through the seco
29. output may be needed for applications requiring a momentary output such as ringing school bells A second momentary output of a different duration may be required for late bells or warning bells Relay 2 is reserved for the second pulsed output Start from the time display Command 05 Press ENTER Press ENTER Pulse OFF OR Pulse OFF Relays The cursor wi OFF If pulsed out F 0 then ENTER The master clock will return to the time display To program pulsed output on 1 or more output relays enter the duration for the pulse from 1 to 9 seconds and press ENTER Pulse 3 seconds OR Pulse 3 seconds Relays 1 34 Relays 1 345678 The cursor will move to the first position after the word relay Enter the number of the relay or relays to pulse Relay 2 will not be available for this pulse Also if you are using any of the built in correction modes relays 3 and 4 will not be available for this pulse The preceding displays show examples of all relays except relay 2 set to pulse for 3 seconds ENTERING REVIEWING OR EDITING THE RELAY 2 PULSE MOMENTARY OUTPUT 5 A ENTER APPLIED TECHNICAL SYSTEMS PAGE 16 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 To enter the pulse for relay two you must be in the time display Press 5 A ENTER The display will respond with Pulse OFF For Relay 2 The cursor will be flashing on the O in OFF If pulsed output is not desired press OFF 0 then ENTER
30. s A to enter XX for the year and make the plan an Annual Repeat Plan The first Annual Plan is programmed The menu will now advance to the next Annual Plan Press ENTER to continue programming Annual Plans or press EXIT to return to the time display MANUAL SELECTION OF ALTERNATE PLANS Press 2 1 then ENTER Select alternate plan Basic Plan 1 to 9 then press ENTER MANUAL OPERATION Press MANUAL 1 then ENTER Enter relays to manually control then press ENTER The chosen relays will energize CLEARING THE ANNUAL AND BASIC PROGRAMS Press CLEAR C then ENTER Press ANNUAL A to clear annual program or BASIC B to clear the basic program Choose the sets buffer to clear REVIEWING BASIC PLAN PROGRAM Press BASIC B key then ENTER Press BASIC B key again repeatedly to review each step Press EXIT when done REVIEWING THE ANNUAL PLAN PROGRAM Press ANNUAL A key then ENTER Press ANNUAL A key again repeatedly to review each skip plan SETTING THE OUTPUT PULSE Press 5 then ENTER Enter a pulse length from 1 to 9 Press ENTER Enter the number of the relay s the pulse is to be applied to Exclude relay 2 Press ENTER SETTING THE RELAY 2 PULSE Press 5 A Press ENTER Enter a pulse length from 1 to 9 Press ENTER APPLIED TECHNICAL SYSTEMS PAGE 20 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 ADVANCED PROGRAMMING CUSTOM WEEKS WkO Wk9 Up to ten custom weeks can b
31. the appropriate number Pressing the same number again will remove the relay number from the bottom line Once the relays are set press ENTER The first step 00 is programmed The following display shows an example of all relays being activated on Weekdays at 10 00 AM 00 WDY 10 00 AM 00 WDY 10 00 AM Relays 1234 OR Relays 12345678 The Auto Prompt display will advance to the next step 01 01 WDY 00 00 AM 01 WDY 00 00 AM OR Relays Subsequent steps are entered the same way as the first Continue until the last step of Basic Plan 0 is entered Step 19 the 20th step is the default last step After entering the last step the master clock will advance to Basic Plan 1 BASIC Plan 1 Step 00 The master clock is now prompting you to enter the first of 9 alternate plans plan 1 Plans 1 through 9 are entered the same as plan If you are not using alternate plans 1 through 9 or if you have just entered your last alternate plan press EXIT The master clock will return to the time display CLEARING PROGRAM STEPS To clear a program step press BASIC B then ENTER BASIC Plan 0 Step 00 The display will prompt you for a plan cursor on 0 Choose the basic plan in which the step to be cleared is located then press ENTER APPLIED TECHNICAL SYSTEMS PAGE 12 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 The display will then prompt for a step cursor on 00 Choose the of the step t
32. ustomer will be charged to the customer ATS disclaims any warranties expressed or implied including merchantability and or fitness for a particular purpose In no event shall ATS be held liable for incidental or consequential damages APPLIED TECHNICAL SYSTEMS PAGE 25
33. y be showing the correct time or some other incorrect time previously stored It may even be showing all 0 s if you exited the auto prompt sequence The cursor will be flashing in the hour s position The bottom line will give you additional information on how to enter the data Enter the desired two digit number for hours and press ENTER If the hours are correct simply press ENTER The cursor will move to the minute s position Do not press EXIT part way through editing the time date or any program steps unless you want to abort editing If you exit part way through any changes made prior to the current position will be ignored Type two digits for the minutes and press ENTER The cursor will move APPLIED TECHNICAL SYSTEMS PAGE 7 MC4181LV SERIES MASTER CLOCKS REV 09 18 00 to the AM PM position Before pressing ENTER you may wish to synchronize this master clock to some other reference clock The instant you press ENTER the time keeping will begin Therefore to synchronize with a reference clock wait until that clock is ready to change to the desired time and press ENTER at that instant ENTERING REVIEWING OR EDITING THE DATE D ENTER You must be in the time display in order to enter the date Press the DATE key D The display will respond with Command 0D Press ENTER Press ENTER The display will respond with Date 12 29 99 Month MM ENTER It may be showing the correct date or some other
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