Simplex 6351 Manual

SSimplex
6351 and 6400 Time Control Centers
Installation/Operating Instructions
I995 Simplex Time Recorder Co.
MC6-21-100 (574-403)
Ispecifications and other information shown were current as of publication, and are subject to change without notice.
Ed 12 95
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WARNING
This equipment generates, uses, and can radiate radio
frequency energy and if not installed and used in
accordance with the instructions 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.
CAUTION
ELECTRICAL HAZARD
Disconnect electrical power when making any internal adjustments or repairs.
Installation and servicing should be performed by qualified Simplex representatives.
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TABLE OF CONTENTS PAGE
INSTALLATIOl’i lNSTl?UCTlON$
SECTION I- PRE-POWER ADJUSTMENTS
General Notes .
, ..,,,.....~..,....,...............,......................................... ........................................................................... 4
Setting DIP Switches on CPU Board ,.........~.,....~~~~~~~~.~~,.,,,,.~.~~~~~~.~~~,,,.~~~.~~~....~~.............~.......................................5
Setting DIP Switches on 6400 Coded/Impulse Board, 6400 Coded Board, or 6351/6466 Impulse
Board (Optional) .................................................................................................................................................. 7
Setting DIP Switches on WWV Interface Board .....
........................_.................................... ............*................... 10
SECTION 2 - INSTALLATION WIRING
General Notes ....................................................................................................................................................... 11
Connections to Power/Interface Board ................................................................................................................. 11
Connections to Impulse Interface Board (Optional) ............................................................................................. 18
’ Connections to 6800 Coordinated Universal Time Receiver (Optional) ............................................................. 28
Connection to Extended Battery (Optional) ......................................................................................................... 29
Final Checkout ...................................................................................................................................................... 29
(OPERATING INSTRUCTIONS
SECTION 3 - OPERATING MANUAL OVERRIDE SWITCHES (STANDARD EQUIPMENT)
Operating Manual Override Switch(es) for ON/OFF and PULSE type events (6400 only) .................................... .30
Operating Manual Override Switch(es) for DELAY Events (6400 only) .................................................................. 30
Operating Manual Override Switch(es) for SYNCHRONOUS Output.. ................................................................... 30
Operating Manual Override Switch(es) for GENERATOR Output ........................................................................... 31
Operating Manual Override Switch(es) for SERIAL BCD Output ............................................................................ 31
SECTION 4 - OPERATING MANUAL OVERRIDE SWITCHES (OPTIONAL EQUIPMENT)
Operating Manual Override Switch (CIRCUIT ONE) for REMOTE RELAYS .......................................................... 32
Operating Manual Override Switch for SECONDARY CLOCK Output.. ................................................................. 32
APPENDIX A - GENERAL MOUNTING INSTRUCTIONS........ .............................................................................
34
APPENDIX B - SPECIAL INSTRUCTIONS FOR RACK-MOUNT MODEL (6400 ONLY)
General Notes ......................................................................................................................................................... 36
Mounting Instructions - Slides & Cable Carrier.. ........._~.......................................................................................... 36
APPENDIX C - WWV INTERFACE BOARD - INSTALLATION INSTRUCTIONS ..................__......_............._....... 38
APPENDIX D - 6351 KEYPAD OPERATION AND BASIC KEYPAD ENTRIES .................................................. .39
Introduction .............................................................................................................................................................. 39
Keypad Operation ................................................................................................................................................... 39
General Notes .................................................................................................................................................. .39
Keypad Normally Active vs. Keypad Normally Inactive .................................................................................... 40
Keypad Modes .................................................................................................................................................. 40
Basic Entries ........................................................................................................................................................... 41
To Enter Hour Format (12 or 24) for LCD.. ....................................................................................................... 41
To Set the Time and Day of the Week.. ............................................................................................................ 41
To Set the Date.. ............................................................................................................................................... 41
To Program the Automatic Daylight Saving Time (DST) Changes.. ................................................................. -42
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Figure
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
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19
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22
23
24
25
26
27
28
29
30
31
LIST OF ILLUSTRATIONS
Page
CPU BOARD.. ...................................................................................................................................... 5
BCD OUTPUT FORMAT SETTINGS ................................................................................................... 5
GENERATOR SETTINGS. ................................................................................................................... 6
KEYPAD LOCKOUT & TIMEKEEPING SETTINGS.. ’........................................................................... 6
SYNCHRONOUS SETTINGS ..... ......................................................................................................... 6 1
6400 CODED/IMPULSE BOARD ..... .................................................................................................... 7
6400 CODED BOARD .......................................................................................................................... 7
635116400 IMPULSE BOARD .. ............................................................................................................. 7
REMOTE CODED RELAY SETTINGS (6400 ONLY). .......................................................................... 8
SECONDARY CLOCK SETTINGS ..................................................................................................... .8
SECONDARY CLOCK TYPES.. :
.......................................................................................................... .9
RAPID RATE ADVANCE SETTINGS (SIMPLEX IMPULSE SECONDARY
CLOCKS-59TH, 58TH, OR 44TH MINUTE REFERENCE) ........................................................... 9
IMPULSE ACCUMULATOR SETTINGS.. ............................................................................................ 9 j
WWV INTERFACE BOARD.. ............................................................................................................ .10 .
WWV COMMUNICATION SETTINGS.. ............................................................................................. 10 *
WWV BAUD RATE SETTINGS .......................................................................................................... 10
POWER/INTERFACE BOARD.. ......................................................................................................... 11
AC POWER WIRING 115VAC .......................................................................................................... .12
AC POWER WIRING 230VAC.. .................................................................................... I................... .12
TYPICAL WIRING FOR SIX CIRCUITS OF BELLS/HORNS USING
EXTERNAL POWER (6400 ONLY) ............................................................................................... 13
TYPICAL WIRING FOR SIX CIRCUITS OF BELLS/HORNS USING
6400 LINE VOLTAGE .................................................................................................................... 13
WIRING FOR EXTERNAL INPUT.. .................................................................................................... 14
CONNECTING TCC TO CELESTRA SECONDARY CLOCKS.. ....................................................... .14
CONNECTING TCC TO EXTERNALLY-POWERED SYNCHRONOUS
SECONDARY CLOCKS. ................................................................................................................ 15
CONNECTING TCC TO SYNCHRONOUS SECONDARY CLOCKS USING
TCC LINE VOLTAGE ...................................................................................................................... 15
CONNECTING TCC TO EXTERNALLY-POWERED TRANSMITTER/
GENERATOR ...... ........................................................................................................................... 16
CONNECTING TCC TO TRANSMITTER/GENERATOR USING TCC
LINE VOLTAGE .............................................................................................................................. 16 ’
CONNECTING 6400 TO EXTERNALLY-POWERED CODED RELAYS
(OPTIONAL) .................................................................................................................................. .17
CONNECTING 6400 TO CODED RELAYS USING 6400 LINE
VOLTAGE (OPTIONAL) .................................................................................................................. 17
IMPULSE INTERFACE BOARD.. ...................................................................................................... .18 !
’IMPULSE POWER SUPPLY WIRING 115VAC (OPTIONAL) ............................................................ 19
r
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LIST OF ILLUSTRATIONS (cont’d)
Figure
32
33
34
35
36
37
38
39
40
.41
42
43
44
45
46
47
48
49
50
51
52
Page
IMPULSE POWER SUPPLY WIRING 230VAC (OPTIONAL) ............................................................20
CONNECTING TCC TO 2-WIRE IMPULSE SECONDARY CLOCKS
(REVERSE POLARITY) -TYPES 1,2,3,4,5, 13, 14, & 15 (OPTIONAL) ..................................21
CONNECTING TCC TO 3-WIRE IMPULSE SECONDARY CLOCKS
(B DISCONNECT) - TYPES 1, 2, 3, 13, 14, & 15 (OPTIONAL) ................................................... 22
CONNECTING TCC TO 3-WIRE SYNCHRONOUS SECONDARY CLOCKS
- 6, 7, a, 8 9 (OPTIONAL) ,........................................................................................................... 23
CONNECTING TCC TO 2 OR 3-WIRE DUAL MOTOR SECONDARY
CLOCKS -TYPE 10 (OPTIONAL) ...............................................................................................24
CONNECTING TCC TO 3-WIRE DUAL MOTOR SECONDARY CLOCKS
- TYPES 11 & 12 (OPTIONAL) ..............._..................................................................................... 25
CONNECTING TCC TO 3-WIRE IMPULSE SECONDARY CLOCKS
- TYPE 16 (OPTIONAL) .............................................................*................................................. 26
CONNECTING TCC TO 2-WIRE DUAL VOLTAGE IMPULSE
SECONDARY CLOCKS - TYPE 17 (OPTIONAL) ........................................................................27
CONNECTIONS TO 6800 COORDINATED UNIVERSAL TIME RECEIVER (OPTIONAL) .............. 28
NORMAL SYNCHRONOUS CLOCK CORRECTION SIGNALS .......................................................30
ADVANCE RATES (IMPULSE SECONDARY CLOCKS) .................................................................. 32
MOUNTING TCC DOOR, RETAINER PANEL, & MOUNTING PLATE TO BACK BOX ................... .34
CONNECTING CPU TO POWER/INTERFACE BOARD ................................_.................................. 35
INSTALLING RACK-MOUNT SLIDES (6400 ONLY) ......................................................................... 37
INSTALLING RACK-MOUNT CABLE CARRIER (6400 ONLY). ........................................................ 37
INSTALLING wwv INTERFACE BOARD ......................................................................................... 38
LCD DISPLAY .................................................................................................................................... 39
KEYPAD ............................................................................................................................................. 40
LCD AFTER DEPRESSING TIME KEY ............................................................................................. 41
LCD AFTER DEPRESSING DATE KEY ............................................................................................ 41
LCD AFTER DEPRESSING DST KEY ..............................................................................................42
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INSTALLATION INSTRUCTIONS
SECTION 1
IMPORTANT
The 6351 provides the master clock functions of the 6400 but
does not have rack-mount packaging or circuit programming.
Note: The following information is for both the 6351 and 6400 Time Control Centers (TCCs) unless otherwise
indicated.
PRE-POWER ADJUSTMENTS
General Notes
A. You may surface, semi-flush or rack mount the 6400 box. (See Appendix A for general mounting instructions
and Appendix B for rack mounting instructions). You may also retrofit the 6400 into an existing box. (See 6400
Retrofit Instructions publication.) However, you may only surface or semi-flush mount the 6351; there is no
6351 rack-mount model.
l If a TCC is to be semi-flush mounted, a separate package containing a trimplate was shipped with the unit. Fit
the trimplate over the box before sliding the TCC into place.
l If an existing box is used, mount the provided backplate to inside rear of box before hanging the TCC.
B. You should hard-wire the TCC to a dedicated, fused power source.
l Knockouts have been provided for this purpose.
C. Remove knockout(s) before hanging the TCC.
4
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Setting DIP switches on CPU Board
The CPU Board (Figure 1) is one assembly consisting of two separate boards and is located directly behind the
TCC’s front panel. To gain access to CPU Board 2, remove the four screws from the front panel (top cover for rack
mount model) and gently pull the panel away from its box. (It is not necessary to disconnect the ribbon cable that
runs from J7 of the CPU Board 1 to Pl of the Power/Interface Board -see page 11 for location of Pl.) Adjustments
on the CPU Board consist of setting switches 1 thru 10 of DIP Switch Package SW10 as shown in Figures 2,3,4 & 5:
BOARD 1
BOARD 2
R16
/p4
/ p7
Figure 1
CPU BOARD
DIP SWITCH SETTINGS - CLOSED = 0 = ON
OPEN = 1 = OFF
DIP SWITCH #l
DIP SWITCH #2
SETTING DESCRIPTION
ON STANDARD BCD FORMAT (TIME ONLY)
OFF ADVANCED BCD FORMAT (TIME AND DATE)
ON BCD HOLDBACK DISABLED
OFF l BCD HOLDBACK ENABLED
*DIP SWITCH #9 ON SELECTING 24-HOUR BCD FORMAT
OFF SELECTING 12-HOUR BCD FORMAT
* Enabling BCD holdback stops the 2320 clock code converter for one hour during programmed DST change.
$ There is no relationship between LCD display format (12 or 24 hours) and BCD format (12 or 24 hours).
Therefore, even though the LCD display may show a 12-hour format, the 6400 can still send out 24-hour BCD
data (if so selected). The reverse - 24-hour LCD display and 12-hour BCD data - is also true.
Figure 2
BCD OUTPUT FORMAT SETTINGS
5
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DIP SWITCH I #3 1 #4 1 #5 1 *DESCRIPTION
I
ON 1 ON 1 ON 1 ALL CIRCUITS WITHOUT GENERATOR CONTROL (CTRL)
1 ON 1 ON 1 OFF 1 CIRCUIT 1 WITH GENERATOR CTRL
I
ON 1 OFF 1 ON 1 CIRCUITS 1 &2 W/GENERATOR CTRL
SETTINGS
I
ON 1 OFF 1 OFF 1 CIRCUITS 1,2 & 3 W/GENERATOR CTRL
I
OFF I ONI I ON CIRCUITS 1,2,3 & 4 W/GENERATOR CTRL
I
OFF I ONI I OFF CIRCUITS 1,2,3,4 & 5 W/GENERATOR CTRL
I OFF I OFF I OFF I CIRCUITS6 WITH GENERATOR CTRL
I
OFF 1 OFF 1 ON 1 ALLCIRCUITS WITH GENERATOR CTRL
* Generator is pre-started a minute in advance of generating a signal.
Figure 3
GENERATOR SETTINGS
I
SETTING I DESCRIPTION
DIP SWITCH #6 ON *KEYPAD CONTINUOUSLY ENABLED
OFF KEYPAD ENABLED BY CODED KEYPAD ENTRY
DIP SWITCH #7 ON SELECTING DC QUARTZ CRYSTAL FOR TIMEKEEPING
OFF SELECTING AC LINE FOR TIMEKEEPING
l Keypad active LED is always lit when keypad is enabled
Figure 4
KEYPAD LOCKOUT & TIMEKEEPING SETTINGS
DIP SWITCH #8
DIP SWITCH #lO
SETTING DESCRIPTION
ON SYNCHRONOUS CORRECTION HOLDBACK DISABLED
OFF *SYNCHRONOUS CORRECTION HOLDBACK ENABLED
ON SELECTING 24-HOUR SYNCHRONOUS FORMAT
OFF SELECTING 12-HOUR SYNCHRONOUS FORMAT
* The TCC pulses every minute to hold back 2320 clock code converter for daylight saving time correction.
Figure 5
SYNCHRONOUS SETTINGS
6
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Setting DIP switches on 6400 Coded/Impulse Board, 6400 Coded Board or 6351/6400 Impulse Board
(Optional)
The 6400 Coded/Impulse Board (Figure 6), the 6400 Coded Board (Figure 7), or the 6351/6400 Impulse Board
(Figure 8) are located directly behind the TCC’s front panel. (Only one of these three boards is contained in a TCC.)
To gain access to the supplied board, remove the four screws from the front panel and gently pull the panel away
from its box. (It is not necessary to disconnect the ribbon cable.) The 6400 Coded/Impulse Board controls both
impulse secondary clocks and remote coded/dual coded relays; the 6400 Coded Board controls just remote relays;
and the 6351/6400 Impulse Board controls just impulse secondaries. Set the switches on DIP Switch Package SW1
as follows:
Figure 6
6400 CODED/IMPULSE BOARD
(See Figures 9 through 13)
64.0il CODEO/IflPULSE BD
Figure 7
6400 CODED BOARD
(See Figure 9)
SW1
SSY NO. 312-841
6351.40,:; gure 8 ulPULSE BOAPn
I.I
(See Figures 10 through 13)
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Figure 9
REMOTE CODED RELAY SETTINGS (6400 ONLY)
DIP SWITCH SETTINGS - CLOSED = 0 = ON
OPEN = 1 = OFF
DIP SWITCH #I #2 DESCRIPTION
ON ON CODED CONTROL DISABLED
OFF ON CODED CONTROL ENABLED WITHOUT DELAY
SETTINGS ON OFF CODED CONTROL ENABLED WITH 5 SECOND DELAY
OFF OFF CODED CONTROL ENABLED WITH 10 SECOND DELAY
Figure 10
SECONDARY CLOCK SETTINGS
8
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CLOCK TYPE NO. DESCRIPTION OF SECONDARY CLOCK(S)
1 SIMPLEX 59TH MINUTE REFERENCE
I
I
2 1 SIMPLEX 58TH MINUTE REFERENCE I
1 SIMPLEX 44TH MINUTE REFERENCE
I
4 I 1-MINUTE REVERSE POLARITY I
I 5 I ‘/i-MINUTE REVERSE POLARITY
I
6 HONEYWELL, FARADAY (1300 SERIES), CINCINNATI (D SYNCHRONOUS)
7 NATIONAL TIME (HOURLY)
8 NATIONAL TIME (12-HOUR CORRECTION)
9 STROMBERG (SYNCHRONOUS, 56TH MINUTE REFERENCE, ELECTRONIC)
I
1 STANDARD ELECTRIC TIME (FMT-DUAL MOTOR, COUCH (C452014 1
THROUGH C452019 AND C452133 THROUGH C452145))
11 SIMPLEX 45TH MINUTE REFERENCE (DUAL MOTOR)
I
SIMPLEX 59TH MINUTE REFERENCE (DUAL MOTOR)
13 CINCINNATI D6 (IMPULSE, 12-HOUR CORRECTION)
14 CINCINNATI D3
15
16
STROMBERG (IMPULSE, 58TH MINUTE REFERENCE)
STANDARD ELECTRIC TIME (AR2A AND ARSA-IMPULSE, 60TH MINUTE
REFERENCE)
17 [ STANDARD ELECTRIC TIME (AR2-IMPULSE, 59TH MINUTE REFERENCE) I
Figure 11
SECONDARY CLOCK TYPES
DIP SWITCH 1 #8 1 #9 1 DESCRIPTION
I
1 I
1 MINUTE EVERY 2 SECONDS (1 SECOND ON, 1 SECOND OFF) I
SETTINGS OFF ON 1 MINUTE EVERY 4 SECONDS (2 SECONDS ON, 2 SECONDS
OFF)
ON OFF 1 MINUTE EVERY 7 SECONDS (2 SECONDS ON, 5 SECONDS
OFF)
I I
OFF 1 OFF 1 UNUSED -1
Figure 12
RAPID RATE ADVANCE SETTINGS (SIMPLEX IMPULSE SECONDARY CLOCKS -
59TH, 58TH OR 44TH MINUTE REFERENCE)
1 SETTING 1 DESCRIPTION
DIP SWITCH #10
ON ACCUMULATOR IS DISABLED
OFF ACCUMULATOR IS ENABLED
Figure 13
IMPULSE ACCUMULATOR SETTINGS
9
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Setting DIP switches on WWV Interface Board
The WWV Interface Board (Figure 14) is located directly behind the TCC’s front panel. To gain access to this board,
remove the four screws from the front panel and gently pull the panel away from its box. (It is not necessary to
disconnect the ribbon cable.) Then, remove the plate that covers the board. Adjustments on the WWV Interface
Board consist of setting switches 5 thru 10 of DIP Switch Package SW1 ‘(switches 1 through 4 are unused) as shown
in Figures 15 and 16. -
Figure 14
WWV INTERFACE BOARD
DIP SWITCH SETTINGS - CLOSED = 0 = ON
OPEN = 1 = OFF
DIP SWITCH ! #5 1 #6 1 #7 1 #8 1 DESCRIPTION I
ON ON ON ON COMMUNICATIONS DISABLED
SETTINGS ON ON ON OFF WWV OPTION ENABLED
Figure 15
WWV COMMUNICATION SETTINGS
DIP SWITCH
SETTINGS
#9 #lO BAUD RATE
ON ON 300
OFF ON *1200
ON OFF 2400
OFF OFF 4800
*The recommended baud rate setting is 1200.
Figure 16
WWV BAUD RATE SETTINGS
10
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SECTION 2
INSTALLATION WIRING
General Notes
1. Ground the TCC (use the green screw provided to attach the ground wire).
2. Using appropriate fasteners, mount the TCC on or in the wall.
3. Shift P4 jumper on CPU Board 2 (see Figure 1 on page 5) from pins 2 & 3 to pins 1 & 2.
. Jumper P4 hooks up a rechargeable battery which provides power for time-tracking and program retention
during AC power outages of seven or more days.
Connections to Power/Interface Board
The Power/Interface Board (Figure 17) is located at the rear of the TCC’s box. (Board is located at the bottom of the
box for a rack-mounted model. Therefore, four screws at the top of the box must be removed in order to get at the
board.) To gain access to this board, remove the four screws from the front panel and gently pull the panel away
from its box. (It is not necessary to disconnect the ribbon cable that runs from Pi of the Power/Interface Board to
the CPU Board.) Connections are made to the Power/Interface Board as follows in Figures 18 through 29:
Figure 17
POWER/INTERFACE BOARD
Pl
11
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TERMINALS FOR AC LINE
STRAPPING AC IN
(UNFUSED) AC NEUTRAL
JUMPERS TERMINAL FOR
STRAPPING NEUTRAL
Cl,-, nc OUT bx IN I’J/Z,I *,ntw NC”lltnL EXr lH?“l CECES,“ll ““Trl \I HP EPH NC~ r-7 ri ry-:-ca--y7 r- ----I r-q I-iz-7
I
ASSY NO. 562-765
Figure 18
AC POWER WIRING 115VAC
TERMINALS FOR
STRAPPING AC IN
POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 19
AC POWER WIRING 230VAC
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FROM EXTERNAL
SUPPLY
w
POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 20
TYPICAL WIRING FOR SIX CIRCUITS OF
BELLS/HORNS USING EXTERNAL POWER (6400 ONLY)
POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 21
TYPlCAL WIRING FOR SIX CIRCUITS OF
BELLS/HORNS USING 6400 LINE VOLTAGE
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+ INPUT
(SEE NOTES)
POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 22
WIRING FOR EXTERNAL INPUT
NOTES: 1. External input voltage is 24 volts AC or DC.
2. The external input is usually from an external master clock.
When the TCC receives the external input, its second will
reset to zero. (If the TCC reads from 1 to 29 seconds, only
the seconds reset to zero. If the TCC reads from 30 to 59
seconds, the seconds are reset to zero and the minutes are
advanced by one minute.)
6
TOCELESTRA
POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 23
CONNECTING TCC TO CELESTRA SECONDARY CLOCKS
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AS BS CS
NOTE: Synchronous output relay is fused at 5 amps.
Figure 25
CONNECTING TCC TO SYNCHRONOUS SECONDARY CLOCKS USING TCC LINE VOLTAGE
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POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 26
CONNECTING TCC TO EXTERNALLY-POWERED TRANSMITTER/GENERATOR
POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 27
CONNECTING TCC TO TRANSMITTER/GENERATOR USING 6400 LINE VOLTAGE
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FROM EXTERNAL
POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 28
CONNECTING 6400 TO EXTERNALLY-POWERED CODED RELAYS (OPTIONAL)
CODED SIGNAL
NEUTRAL
POWER/INTERFACE BOARD
ASSY NO. 562-765
Figure 29
CONNECTING 6400 TO CODED RELAYS USING 6400 LINE VOLTAGE (OPTIONAL)
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Connections to Impulse Interface Board
The Impulse Interface Board (Figure 30) is located at the rear of the TCC’s box. To gain access to this board, remove
the four screws from the front panel, and gently pull the panel away from its box. (It is not necessary to disconnect
the ribbon cable.) This board is used in conjunction with either a Coded/Impulse Board or an Impulse Board.
Connections are made to the Impulse Interface Board as follows in Figures 31 through 39:
IMPULSE INTERFACE BD
ASSY NO. 562-773
[ I+00 oc
i
k
2
c
C
II
9 c
0 I!
111
2 I
c c
L-l
9 5
B L
K2
, , Cl c2
CR1 J’ 7) FI
n
+ ICI
- F2
TBI
I I I!-
I
I!-.-
L..
L!S
CON NCj(NO COW NC((N0 COH NC1 - lOUTI IouTJ
Kl K2B K2A (8) v+ v-
Figure 30
IMPULSE INTERFACE BOARD
18
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