street clocks, tower clocks, custom made clocks - 99b-mi 2016-10-19آ clock to 99b-mi outputs...

M274
I01DN
HOLD ENTER KEY TO BEGIN
CANCEL
HR
99b-mi Minute Impulse Clock Controller
USER’S MANUAL
Mon Jun 01, 2009 12:00:00 PM DST
97 West Street Medfield, MA 02052 U.S.A. (508) 359-4396 www.electrictime.com
06-01-2009 Electric Time Company, inc. Medfield, MA 02052 USA Ph: (508) 359-4396 Fax: (508) 359-4482 www.electrictime.com

QUICK START GUIDE .......................................................................... INTRODUCTION ................................................................................... SPECIFICATIONS ................................................................................. TERMINAL COMPARTMENT LAYOUT................................................. MOUNTING ........................................................................................... BEFORE MAKING CONNECTIONS ! ................................................... CONNECTING “MI CLOCKS”............................................................... CONNECTING “MI-SS CLOCKS”......................................................... CONNECTING “RP CLOCKS”.............................................................. CONNECTING “GPS”........................................................................... CONNECTING “HR” Output ................................................................ CONNECTING “MULTI-DROP” & “AUX”............................................. CONNECTING POWER......................................................................... USER INTERFACE ............................................................................... BASIC DISPLAYS ................................................................................. OPERATION .......................................................................................... BASIC SETUP FUNCTIONS.................................................................. TECH MODE .......................................................................................... TROUBLESHOOTING............................................................................ SERVICE ................................................................................................ DST CHANGE ........................................................................................ WIRING DIAGRAMS..............................................................................
M274 Pg. 2 of 20
TABLE OF CONTENTS
3 4 4 5 6 6 6 7 7 7 8 8 8 9 10 10 11 12 15 18 18 19 A-7960 A-7960-1

QUICK START GUIDE
1) DISCONNECT 115VAC POWER CIRCUIT BEFORE MAKING ANY WIRING CONNECTIONS
2) INSTALL ALL CLOCKS WITH CLOCK HANDS POINTING AT 12:00
3) INSTALL 99B-MI CLOCK CONTROLLER (#10 SCREWS RECOMMENDED)
4) CONNECT 99B-MI CLOCK CONTROLLER TO CLOCKS (24VAC - 16AWG RECOMMENDED)
� 4 OUTPUTS PROVIDED LABELED “MI CLOCK” 1-4 � “HOME RUN” WIRING REQUIRED FROM EACH
CLOCK TO 99B-MI OUTPUTS “MI CLOCK” 1-4 � SHIELDED CABLE RECOMMENDED
5) CONNECT DEDICATED 115VAC BRANCH CIRCUIT TO 99B-MI CLOCK CONTROLLER
6) TURN ON 115VAC POWER
7) CLOCKS WILL AUTOMATICALLY RESET TO CORRECT TIME
115VAC/60Hz/1A
LNG
POWER IN
115 VAC DEDICATED BRANCH CIRCUIT
M274 Pg. 3 of 20
L1 L2 CG
MI CLOCK 1
TO CIRCUIT BOARD ON CLOCK
SHIELD

INTRODUCTION
The 99B-MI Clock Controller is a microprocessor based master clock that provides completely automatic control of Electric Time minute impulse clocks.
� Provides “Minute Impulse” (MI) Control (Clock hands index from one minute to the next) � Automatically resets clocks after power failures (Resets at 6X speed) � Automatically resets clocks for Daylight Savings Time (if required) � Customizable Daylight Saving Time � Precision Quartz Time Base � Optional GPS interface for ultimate time keeping accuracy � 10 Year Battery Backup for time base � For indoor or outdoor use - Protected to IP65 � ETL listed to UL 863
M274 Pg. 4 of 20
SPECIFICATIONS
Input Power 115VAC/50 or 60Hz/1A or 230VAC/50 or 60Hz/0.5A (Factory Preset)
Timebase Drift +/- 4 min / year (standard), NONE (GPS)
Clock Outputs 24VAC Minute Impulse � Controls up to (4) Minute Impulse (MI) Clocks
24VDC Reverse Polarity � Controls up to (20) Reverse Polarity (RP) Clocks
24VAC Sweep Second line (continuous power) � Controls up to (2) MI Clocks with Sweep Second Hands
**For multiple clock arrays, contact Electric Time to verify maximum electrical loads on 99B-MI
Event Outputs 24VAC Hour Strike (configurable pulse output)
Communication RS-232 port, RS-485 port

9.95 [253 mm] 4.53 [115 mm]
7.83 [199 mm]
7 .0
3 [1
7 9
m m
]
7 .7
8 [ 1 9 8 m
m ]
WIRING TERMINAL
COMPARTMENT CLEAR HINGED
COVER
Ø0.21 [Ø5.2 mm]
M274 Pg. 5 of 20
DIMENSIONS IN INCHES [MILLIMETERS]
WARNING: DISCONNECT POWER BEFORE SERVICING OR CHANGING FUSE
USE COPPER CONDUCTORS ONLY CAUTION: REPLACE FUSES WITH SAME TYPE SHOWN
PGM L1 L2 CG
MI CLOCK 3
115VAC/60Hz/1A
LNG
POWER IN
GPS
C
HRSSRP CLOCKS
24VDC / 1A
+ -
RS-232
AUX
GNDTX RX12V
RS-485
MULTI - DROP
GNDB A12V
L1 L2 CG
MI CLOCK 4
L1 L2 CG
MI CLOCK 1
L1 L2 CG
MI CLOCK 2
24VAC / 60 Hz / 2A TOTAL FUSE
1A/250 VACFUSE
2.5A/120 VAC
POWER
FACTORY PROGRAMMING PORT
OPTIONAL GPS INTERFACE
RS-485 CONNECTION
REVERSE POLARITY CLOCK OUTPUT
SWEEP SECOND & HOUR STRIKE
OUTPUTS
ELECTRIC TIME MI CLOCK OUTPUTS
POWER INPUT (230 VAC OPTIONAL)
RS-232 CONNECTION
24VAC TRANSFORMER POWER INDICATOR
SECONDARY FUSE
PRIMARY FUSE
Terminal Compartment Layout

M274 Pg. 6 of 20
MOUNTING
Mount the 99B-MI in an accessible location using suitable hardware per installation (#10 Screws recommended)
BEFORE MAKING CONNECTIONS !
Shut off power to all circuits before making any electrical connections. DO NOT connect 115VAC mains power to 99B-MI until all other wiring connections have been made
All clocks should be installed / mounted with all clock hands pointing at 12:00. Clocks will automatically reset to correct time when power is applied to 99B-MI
For ease of installation, all 99B-MI Inputs & Outputs are shown on the wiring label on the inside of the terminal compartment cover. (See Pg. 5)
CONNECTING “MI CLOCKS” (Minute Impulse - 24VAC)
For multiple clocks, “Home Run” wiring is required between each clock and one of the “MI CLOCK” outputs on 99B-MI
L1 L2 CG
MI CLOCK 1
SHIELD

CONNECTING “MI-SS CLOCKS” (Minute Impulse, Sweep Second - 24VAC)
For multiple clocks, “Home Run” wiring is required between each clock and one of the “MI CLOCK” outputs on 99B-MI
Connect “SS” & “C” terminals to the “LINE” and “NEUTRAL” terminals respectively of the smaller circuit board on the clock
M274 Pg. 7 of 20
C
HRSS
L N SMALLER CIRCUIT
BOARD
CONNECTING “RP CLOCKS” (Reverse Polarity - 24VDC)
Multiple clocks to be wired in parallel
Ensure that polarity is the same for all clocks (i.e. wires connect to same side of connector on all clocks)
TO CONNECTOR ON CLOCK
RP CLOCKS
24VDC / 1A
+ -
CONNECTING “GPS”
Connect GPS Receiver to “GPS” terminals, matching wire colors to colors shown on wiring diagram on inside cover of terminal compartment
TO GPS RECEIVER
GPS
L1 L2 CG
MI CLOCK 1
SHIELD

M274 Pg. 8 of 20
CONNECTING “HR” OUTPUT
Connect “HR” & “C” terminals to LINE & NEUTRAL terminals respectively of external device (See Manual M274-C for explanation of “HR” Output function)
TO EXTERNAL DEVICE OR RELAY
C
HRSS
CONNECTING “MULTI-DROP” & “AUX”
For custom installations only. Contact Electric Time for information.
POWER CONNECTION
Connect , and terminals to 115 VACGround Neutral Line dedicated branch circuit
115VAC DEDICATED BRANCH CIRCUIT
115VAC/60Hz/1A
LNG
POWER IN

M274 Pg. 9 of 20
USER INTE

street clocks, tower clocks, custom made clocks - 99b-mi 2016-10-19آ clock to 99b-mi outputs...

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