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MC22LV SERIES 

– MASTER CLOCKS 

        

REV 3/17/15 

 
 
APPLIED TECHNICAL SYSTEMS 

 

PAGE 13 

 
 
 
 
 
 
 

 

 

 

 
 
 
 
 
 
 
The cursor will be flashing on the W of WDY (weekday). 

Step #

 - The  #00 indicates that this is step 00 being displayed. 

Day

 - Program steps may be programmed for individual days, such as Mon or Tue, or for groups 

of days such as WDY for weekdays.  See below for the step abbreviations, and what they mean.  
“Special  Weeks”  (Wk0  thru  Wk9)  can  be  created  for  your  specific needs. For example, a Mon, 
Wed,  Fri  week.    See  ADVANCED  PROGRAMMING  (Section  7.1)  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 displayed, press [ENTER].   The display will 
advance to the hour’s position. 

 
STEP DAY

 

 

MEANS… 

EDY 

 

 

step occurs everyday 

WDY 

 

 

step occurs every weekday 

WND   

 

step occurs every weekend day 

MON 

 

 

step occurs every monday 

TUE 

 

 

step occurs every tuesday 

WED 

 

 

step occurs every wednesday 

THU 

 

 

step occurs every thursday 

FRI 

 

 

step occurs every friday 

SAT 

 

 

step occurs every saturday 

SUN 

 

 

step occurs every sunday 

WK0-WK9 

 

step occurs on days designated by custom week (see  
Section 8.1) 

 

Hours

  -  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.    

Minutes

  -  Enter  two  digits  for  the  minutes  and  press  [ENTER].    The  display  will  advance  to the 

AM/PM position.  

AM/PM

 - Press the [AM] [1] or [PM] [2] key, then [ENTER].   The display will advance to the first 

position after the word RELAY.   

Relays

 - Enter the number of the relays you wish to be energized by this program step.  If a step 

is  entered  and  a  relay  that  is  already  energized  should  stay  energized  until  the  next  step,  it  is 
necessary to enter the relay number again for this step.  The relay settings show the state of the 
relays at the programmed time of the step.  The relay numbers will appear on the bottom

 

line as 

you press 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 
Relays: 1 2  
 

#00 WDY 00:00 AM 
Relays: - - - - - - - - 
 

Step 

Day 
 

Hours 

Minutes 
 

AM/PM 
 

Relay

Summary of Contents for MC22LV Series

Page 1: ...MC22LV SERIES MASTER CLOCKS FN MC22LV M1 DOC...

Page 2: ...2 5 6 Reviewing or Editing the Basic Plan Program 6 0 PROGRAMMING 6 1 Entering the Basic Plan Program 6 2 Clearing a Program Step 6 3 Entering Reviewing or Editing the Annual Program 6 4 Clearing an A...

Page 3: ...elays 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 fr...

Page 4: ...has a starting and ending date and an 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 MC22LV Certain annual plans can be pro...

Page 5: ...power outages All outputs and the display are disabled during backup The MC22LV resumes normal operation when power returns If the master clock has been without power for more than 48 hours a Unit Pow...

Page 6: ...Used for entering the TIME SET MODE 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...

Page 7: ...ly marked terminal block located on the inside of the MC22LV enclosure Remove the top cover of the MC22LV to gain access to the terminal block MC22LV shown with the top cover removed A 120 VAC to 24 V...

Page 8: ...square character called the cursor The cursor indicates that you may now enter or change the data at that position of the display As data is entered the master clock constantly checks for a valid ent...

Page 9: ...instant 4 4 ENTERING THE DATE The next step in the AUTO PROMPT sequence is entering the date The display will show It may be showing the correct date some other date or all 0 s The cursor will be flas...

Page 10: ...same manner as the Spring DST Current US law for Fall DST is the first Sunday in November Enter 11 for the month and 1 for the Sunday The valid months for the Fall DST are 09 10 and 11 The valid Sunda...

Page 11: ...ach mode from the command line You must be in the time display before you can enter a command Press the EXIT key to be sure The display should look similar to the following 5 1 EDITING TIME 3 ENTER Pr...

Page 12: ...ond with the default entries for the current U S law as follows You may now enter the new daylight savings time settings as outlined in Section 4 6 5 5 REVIEWING OR EDITING THE RELAY PULSE MOMENTARY O...

Page 13: ...repeatedly to review all stored program steps 6 0 PROGRAMMING 6 1 ENTERING THE BASIC PLAN PROGRAM Before you begin programming your MC22LV you should complete the MC SERIES PROGRAM RECORD SHEET inclu...

Page 14: ...very saturday SUN step occurs every sunday WK0 WK9 step occurs on days designated by custom week see Section 8 1 Hours Enter the two digit hour at which this step is to be activated and press ENTER Th...

Page 15: ...on 0 Choose the basic plan in which the step to be cleared is located then press ENTER The display will then prompt for a step cursor on 00 Choose the of the step to be cleared then press ENTER The ch...

Page 16: ...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...

Page 17: ...eturn to the time display To clear the Basic program instead press B 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 rep...

Page 18: ...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 p...

Page 19: ...eep Mode is useful for suspending Break Signals during student testing Summer school meetings and other special events Sleep Mode can be selected from the keyboard Press 4 5 ENTER The display will sho...

Page 20: ...her countries where 60 HZ power is available For countries where 50 HZ AC power is available the MC22LV can be set to synchronize with the 50 HZ AC power line For areas where the AC line frequency is...

Page 21: ...Some Annual Plan programs may have the same Start and End dates every year such as Christmas July 4 th and New Years Day Instead of creating multiple Annual Programs for each year special Annual Progr...

Page 22: ...set for address 15 standard for CC Series Displays to display received Time The RS232 output can drive up to 50 ATS Displays at a distance up to 2000 feet away each display requires local power For ad...

Page 23: ...sired day or group of days is displayed press ENTER Enter the desired hour press ENTER Enter the desired minute press ENTER Press AM or PM press ENTER Enter the desired relays to turn ON press ENTER T...

Page 24: ...ANNUAL A key again repeatedly to review each Annual plan SETTING THE OUTPUT PULSE Press 5 then ENTER Enter a pulse length from 0 to 9 for Relay 1 Press ENTER Enter the pulse length from 0 to 9 for Rel...

Page 25: ..._________ PULSE LENGTH FOR RELAY 1 0 9 SECS ___ 0 Pulse OFF PULSE LENGTH FOR RELAY 2 0 9 SECS ___ 0 Pulse OFF BASIC PLAN _____________ NUMBER OF STEPS PER PLAN _______ CUSTOM WEEK SETTINGS Wk0 9 _____...

Page 26: ...04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 NOTE TO HAVE ANNUAL PROGRAMS REPEAT EACH YEAR AUTOMATICALLY PRESS A WHEN PROMPTED FOR THE YEAR THIS WILL INSERT XX FOR THE YEAR PORTION OF THE DATE SPEC...

Page 27: ...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 factor...

Page 28: ...MC22LV SERIES MASTER CLOCKS REV 3 17 15 APPLIED TECHNICAL SYSTEMS PAGE 27 This page left blank intentionally...

Page 29: ...ATS...

Page 30: ...ATS...

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