RTC AP21 Series Montage- und Bedienungsanleitung

AP21 Series Time Switch

Operation/Service Manual

(use this manual for Ver 3.02 and higher)

RTC Manufacturing, Inc.

1016 Enterprise Place * Arlington, TX 76001

www.rtc-traffic.com

(817)860-1217

“Helping Kids Get To School Since 1987”

AP21 SERIES TIME SWITCH

OPERATION/SERVICEMANUAL

Table of Contents 2

A. Introduction 3

B. Specifications

Programming Capabilities 3

Electrical 3

Power Fail Backup 4

Accuracy 4

Physical 4

C. Wiring 4

D. Description of Display and Keyboard

Alpha-Numeric Display 5

Keyboard 5

E. Programming Instructions

AP21 Cursor 6

Auto Prompt Display 6

Entering Data 6

Quick Reference Program Guide 7

Program Guide Key 8

Special Code 8

Time Switch Keys 8

Programming Procedures for:

TIME 8

DATE 9

DAY 9

DST 9

BASIC Program Steps 10

ANNUAL Program Steps 10

SLEEP MODE 11

PULSE 11

MANUALOperation 12

SECONDS Display 12

PROGRAM TRANSFER 12

F. Warranty 12

G. Service 12

H. Theory of Operation 13

I. Schematic & Part List 13

AP21 SERIES OPERATOR’S MANUAL

OPERATIONS/SERVICE MANUAL

A. INTRODUCTION

The AP21 is an single circuit, calendar programmable solid state time switch. It is used for switching electric circuits

accordingto pre-settime anddate program. TheAP21 AUTOPROMPTINGalpha-numeric displaymakes programmingfast

and simple. It is designed to control zone flashers, time-of-day flash, or any other traffic application where holiday skip is

desired. The output relay is rated at 120 VAC, 15 amps resistive load. The output can be programmed for momentary

operationsuch asrequired for ringing bells inschool, churchesor industrialfacilities. The relayoutput can also be disabled by

SLEEP MODE function to allow time switch to maintain data without operating the relay.

B. SPECIFICATION

PROGRAMMING CAPABILITIES

1. AutoPromptingDisplay -Providesdisplay informationtoguide theoperatorduring programming. Fromacold startit will

prompt the operator in setting the time through setting the basic program steps.

2. 16 Program Steps - Each step can be programmed for a specific day of the week, for Monday through Friday only, for

Saturday and Sunday only, or for every day of the week.

3. 10 Skip Plans - Each skip plan has a starting and ending date that prevents the output relay from activating. This

feature can be used to skip a specific day or a group of consecutive days.

4. Programmable Daylight Saving Time Adjustment - The AP21 can be programmed to automatically adjust its time for

daylight savings time changes according to U.S. law, even if the law changes.

5. Automatic LeapYear Compensation.

6. Manual Override - The output relay can be manually energized or de-energized from the keyboard. The manual

override remains in effect until the next programmed step occurs.

7. SleepMode - Deactivates relay output while maintainingall timing dataduring summer vacation.

8. PulseOutput - The output can be programmed tooperate as constantcontact or a momentary contact programmable

from 1 to 99 seconds.

9. ProgramTransfer -Thisoptionallowsthe operator toprogram anAP21 anddownloadthat program toanotherAP21with

the use of a simple unit-to-unit transfer cable.

ELECTRICAL

Power Requirements - 95VAC to 135VAC, 60HZ., 3 VAmaximum.

10.5VDC to 14.3VDC less than 1 Watt through full

range of supply volt age (0.2 to 0.58 average)

Outputs - AP21, SPDT relay rated at 15AMP resistive at 120VAC.

Wiring - Terminal block can accommodate #10 to #24AWG wire.

POWER FAIL BACKUP

Program and time keeping is maintained for 48 hours on a rechargeable capacitive backup system in the event of a power

failure. Theoutput and display are disabled during backup. TheAP21 resumesnormal operation when power is restored.

ACCURACY

Time Keeping - Synchronous with the AC power line and 4 PPM on DC power. 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.

PHYSICAL

3.7"W x 8.0"H x 1.55"D

Weight- Approximately 2 lbs.

Mounting - Mounting hole provided (AP21/AP21T).

Operating Temperature Range - -30 to +74 C.

C. WIRING

Removepower beforewiring connection. Observeall safetyprecautions.

AP21TROCTALBASEMOUNTPINOUT(Discontinued product)

To install theAP21TR requires an eight pin octal base Potter and Brumfield #27E122 or equal. Mount this base in a suitable

location and wire the terminals of the base as follows:

AC Version DC Version

1. Relay Common 1. Relay Common

2. Line 2.

3. Relay normally open 3. Relay normally open

4. Relay normally closed 4. Relay normally Closed

5. 5.

6. 6. -12VDC

7. Neutral 7.

8. 8. +12VDC

N/O-12V+12V

AC- GND

AC+ COM

N/C

AP21

Terminal Block Relaymoveable(in)

RelayN/O (out)

TXDOT Wiring AP2T/CPR Standard Wiring AP21T/CPR

D. DESCRIPTION OF DISPLAYAND KEYBOARD

1. ALPHA-NUMERIC DISPLAY – Used for displaying time, day, date, output status and for

displaying information during programming or reviewing stored programs.

2. KEYBOARD – Many of theAP21 keys serve multiple functions. Those keys are clearly labeled

with their functions printed adjacent to the key. They cannot be used incorrectly as the display willAUTO

PROMPT the user as to which key to press.

AM/ON (#1) KEY – Used for setting time to AM when in the time set or programming modes. Also used

for setting output to ON or OFF when in the programming mode. Also used for setting the output to ON

manually.

PM (#2) KEY – Used for setting the time to PM when in the time set or programming modes.

TIME (#3) KEY – Used for entering the set time mode.

ANNUAL (A) KEY – Used for entering the annual programming mode and for stepping through the stored

annual programs for review. The annual programs contain the skip plans in calendar schedule form.

BASIC (B) KEY – Used for entering the basic programming mode and for stepping through the stored

basic programs for review. The basic programs contain the daily timed events instructions.

CLEAR (C) KEY – Used for clearing all annual skip plans and basic program steps.

DATE (D) KEY – Used for entering the set date mode for entering date or reviewing the date.

EXIT (#) KEY – Used for exiting the set time, set date, or program mode.

OFF (#0) KEY – Used for setting the output to OFF when in the programming mode. Also used for

setting the output to OFF manually.

STEP/ENTER (*) KEY – Used for entering all commands and for stepping through the set time, set date

or program data entry.

DST (#7) KEY – Used for entering or changing the daylight savings time program.

DAY (#4) KEY – Used for setting the current day of the week.

(#5) KEY (PULSE) – Used for programming the output relay/s for steady or pulse operation.

E. PROGRAMMING INSTRUCTIONS

THEAP21 CURSOR - On many of theAP21 display screens 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.

AUTO PROMPT DISPLAY - On a cold start with a discharged back-up capacitor, the AP21 will automatically prompt the

operatorthrough theprogramming procedure.The operatorsimply hasto follow the display and enter the appropriate data as

thecursor advances through the programentries. You may exitthis sequence if desired bypressing the EXIT (#) key andthe

unit will default to the time display mode. From the time display mode, you may enter any of the set time, date, or program

modesmanually.

ENTERING DATA -From thecursor, youenterthe appropriate dataandpressthe ENTER(*)key. Thecursor will automatically

advance to the next position. If the data at the cursor is correct, simply press the ENTER (*) key to advance the cursor. The

AP21 will not allow you to enter an invalid number (i.e., the unit will not accept the number 13 for a month entry). The cursor

will remain in its position until a valid entry is made, so keep pressing the keys until you see the correct number at the cursor

and then press the ENTER (*) key.

AP21 QUICK REFERENCE PROGRAM GUIDE

NOTE: The display of theAP21 will automatically blank after about 5 minutes of keyboard inactivity, simply press any key

to reactivate the display.

Start from the time display mode:

TIME:Press the TIME (3) key, press ENTER (*), and enter the

time as follows:

HH * MM * AM/PM *

(enter) (enter) (enter)

DATE: Press the DATE (D) key, press ENTER (*), and enter the

date as follows:

MM * DD * YY *

DAY: Press the DAY (4) key, press ENTER (*), and enter the

day of the week as follows:

Day-of-week *

(press the DAY (4) key to advance the day)

DST: Press the DST (7) key, press ENTER (*), and enter the

spring and fall Daylight Savings Time as follows:

S DST: MM * SUN *

F DST: MM * SUN *

Current U.S. law: Spring = Month 3, Sunday 2

Fall = Month 11, Sunday 1

BASIC: Press the BASIC (B) key, press ENTER (*), key in

the step number, press ENTER (*), and enter the program

step information as follows:

Day/s * HH * MM * AM/PM * ON/OFF *

ANNUAL: Press the ANNUAL (A) key, press ENTER (*), key in

the skip number, press ENTER (*), and enter the

annual skip plan program as follows:

START:MM * DD * YY *

END: MM * DD * YY *

Note: Single Day skip- Start & End date are the same.

MANUAL: To manually operate the output relay:

To turn on: 1 *

To turn off: 0 *

SECONDS: Key in 33 and press the ENTER (*) key. Press the

EXIT (#) key to go back to normal time display.

TRANSFER: Key in “78” on theAP21 you wish to transfer from, press ENTER (*).

Connect the transfer cable (RTC Part # 91107), press ENTER (*).

CLEAR: Press the clear (C) key, press ENTER (*).

Press ANNUAL (A) key to clear all of theAnnual programs.

Press BASIC (B) clear all of the Basic programs.

Key: * = enter

WDY = Mon thru Fri MM = month of the year

EDY = every day of the week DD = day of the month

WND = Sat & Sun only YY = year

HH = hour of the day

MM = minute of the hour

SUN = the Sunday of the month for DST change

1 = first Sunday

2 = second Sunday

3 = third Sunday

4 = fourth Sunday

L = last Sunday

Special Codes: 0 = Manual operation - OFF

1 = Manual operation - ON

7= DST (daylightsaving time change)

45=Sleep Mode (Disables output relay)

77= Clearall datafor reprogramming

78 = Program transfer betweenAP21 units

99 = Software version

88= Prevents thescreen from blanking

88 again allows the screen to blank

(HH : MM) - Colon flashing= Display Blanking, Colon steady= Display “ON” continuous

Time Switch Keys: 1 =AM and ON

2 = PM

3 = TIME (time-of-day)

4 = DAY (day-of-week)

5 = PULSE (pulse or steady output/s)

7 = DST (Daylight Savings Time)

0 = OFF (relay off)

A = ANNUAL (programs)

B = BASIC (programs)

C = CLEAR (clear all annual or basic programs)

D = DATE (month, day, year)

# = EXIT (exit to the time display mode)

* = ENTER (enter the data at the cursor)

Procedure for reviewing or changing the TIME:

·Start from the time display mode

·Press the TIME (#3) key

·Press the ENTER (*) key

·Press the ENTER (*) key if the hour displayed is correct or, key

in the correct hour then press the ENTER (*) key,

the cursor will advance to the minute position

·Press the ENTER (*) key if the minute displayed is correct or, key

in the correct minute then press the ENTER (*) key,

the cursor will advance to theAM/PM position

·Press the ENTER (*) key if theAM/PM displayed is correct or, key

in the correct AM/PM then press the ENTER (*) key,

the new time will begin and the display will return to the time display mode

Procedure for reviewing or changing the DATE:

·Start from the time display mode

·Press the DATE (D) key

·Press the ENTER (*) key if the month displayed is correct or, key

in the correct month then press the ENTER (*) key,

the cursor will advance to the day position

·Press the ENTER (*) key if the day displayed is correct or, key

in the correct day then press the ENTER (*) key,

the cursor will advance to the year position

·Press the ENTER (*) key if the year displayed is correct or, key

in the correct year then press the ENTER (*) key,

the display will return to the time display mode

Procedure for reviewing or changing the DAY:

·Start from the time display mode

·Press the DAY (#4) key

·Press the ENTER (*) key

·Press the ENTER (*) key if the day displayed is correct or,

advance to the correct day by pressing the DAY (#4) key,

Press the ENTER (*) key, the display will return to the time display mode

Procedurefor reviewing orchanging theDST (Daylight SavingTime):

·Start from the time display mode

·Press the DST (#7) key

·Press the ENTER (*) key, the SPRING DST display will show

·Press the ENTER (*) key if the month displayed is correct or, key

in the correct month then press the ENTER (*) key,

(NOTE: key in 00 (zero,zero) to defeat the DST feature)

the cursor will advance to the Sunday position

·Press the ENTER (*) key if the Sunday displayed is correct or,

key in the correct Sunday then press the ENTER (*) key,

the display will advance to the FALL DST display

·Press the ENTER (*) key if the month displayed is correct or, key

in the correct month then press the ENTER (*) key,

the cursor will advance to the Sunday position

·Press the ENTER (*) key of the Sunday displayed is correct or,

key in the correct Sunday then press ENTER (*) key,

the display will return to the time display mode

Procedure for entering or changing the BASIC program steps:

·Start from the time display mode

·Press the BASIC (B) key

·Press the ENTER (*) key

·Key in specific program step number to be changed,

then press the ENTER (*) key

·Press the ENTER (*) key if the day/s displayed is correct or,

advance to the correct day/s by pressing the DAY (#4) key,

then press the ENTER (*) key,

the cursor will advance to the hour position

·Press the ENTER (*) key if the hour displayed is correct or, key

in the correct hour then press the ENTER (*) key,

the cursor will advance to theAM/PM position

·Press the ENTER (*) key if theAM/PM displayed is correct or, key

in the correct AM/PM then press the ENTER (*) key,

the display will advance to the ON/OFF position

·Press the ENTER (*) key if the ON/OFF displayed is correct or,

toggle the ON or OFF then press the ENTER (*) key,

the cursor will advance to the next program step number

·Repeat the programming process or press the EXIT (#) key

to return to the time display mode

Procedure for reviewing the BASIC program steps:

·Start from the time display mode

·Press the BASIC (B) key

·Press the ENTER (*) key

·Press the BASIC (B) key to advance through the basic program steps

·Press the EXIT (#) key to escape to the time display mode

Procedure for clearing a specific BASIC program step:

·Start from the time display mode

·Press the BASIC (B) key

·Press the ENTER (*) key

·Key in the step number to be cleared then press the ENTER (*) key

·Press the ENTER (*) key to advance the cursor to the hour

·Key in 00 (zero, zero) for the hour then press the ENTER (*) key,

·the program step is cleared and the display returns to step 00.

·Key in another step number to be cleared or press EXIT (#) to

return to the time display mode

Procedure for entering or changing the ANNUAL skip plan program steps:

·Start from the time display mode

·Press theANNUAL (A) key

·Press the ENTER (*) key

·Key in specific skip plan number to be changed,

then press ENTER (*) key, the START date (MM-DD-YY) will be displayed

·Press the ENTER (*) key if the month displayed is correct or, key

in the correct month then press the ENTER (*) key,

the cursor will advance to the day position

·Press the ENTER (*) key if the day displayed is correct or, key

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