Videx SENTRY Technical Manual
TECHNICAL MANUAL
EDITION 1.6
SENTRY
TECHNICAL MANUAL
PAGE 1 of 29 SENTRY TECHNICAL MANUAL VER1.6
CONTENTS
PAGE
Manual Introduction
2
System Introduction
2
System Components
2 – 12
System Operation
13
Vandal Resistant Panel layout and sizes
14
Installation
15
Block Diagrams
16
Cable Size tables
17
Testing the installation
18
Telephone Connections Compatibility Chart
19
Accessories Connection Guide
20
Standard wiring diagram
21
Isolated system wiring diagram
22
800 Series door panel wiring diagram
23
Video system wiring diagram
24 – 25
Apartment station system wiring diagram
26
Art136 amplifier wiring diagram
27
Trouble Shooting Guide
28 - 29
PAGE 2 of 29 SENTRY TECHNICAL MANUAL VER1.6
MANUAL INTRODUCTION
The information is this manual is intended as an installation and commissioning guide for
the Sentry system. This manual should be read carefully before the installation
commences. Any damage caused to the equipment due to faulty installations where the
information in this manual has not been followed is not the responsibility of Videx Security
Ltd.
VIDEX run free training courses for engineers who have not installed the sentry system
before. Technical help is also available on 0191 224 3174 during office hours or via e-mail
tech@videx-security.com.
SYSTEM INTRODUCTION
The Sentry system is primarily a single entrance audio or audio/video system which is
capable of being expanded to multiple entrances with additional equipment. The system
has no limit on the number of apartments for which it can control although we suggest
using this system on small to medium sized installation of no more than 20 apartments.
The system benefits from advanced features such as full privacy of speech, fully privacy of
lock release, adjustable calling time, speech time and door open time and the facilities for
both push to exit button and tradesman button. There are many optional extras available
for the system including full line card isolation, door monitoring and access control (coded,
proximity, Bio). A range of options are also available for the apartments including a range
of telephones with varying facilities, videophones, extension sounders and strobes.
SYSTEM COMPONENTS
A standard audio system will comprise of a door panel, control cabinet and audio
telephones. A standard video system will comprise of a door panel, control cabinet, video
splitters and videophones. The individual parts are described below.
DOOR PANELS
Door panels from the 800 Series (Using the 837 amplifier), 4000 Series (Using the 4837 or
4832 amplifier) and vandal resistant (Using the 437 or 537 amplifier) range can be used on
the Sentry system.
Art.837 Amplifier connections
Connection Function
2 Transmit speech to apartment
~ 13Vac input for name plate lights
3 Switched +12Vdc input
1 Receive speech from apartment
4 0V (Ground)
~ 0V input for name plate lights
X Not Used
P2 Push button 2 output
P1 Push button 1 output
C Button common connection
Art.437 or 537 Amplifier + Connector PCB
Connection Function
1 Receive speech from apartment
2 Transmit speech to apartment
3 Switched +12Vdc input
4 0V (Ground)
CB Button common connection
1 Push button 1 output
2 Push button 2 output
…
10 Push button 10 output
PAGE 3 of 29 SENTRY TECHNICAL MANUAL VER1.6
ART.136 AMPLIFIER (Software version 136-12 or later)
Connection Function
1 Receive speech from apartment
2 Transmit speech to apartment
+ (3) +12Vdc input (Amplifier connection 3 on the Sentry PCB)
- (4) 0V (Ground) (Amplifier connection 4 on the Sentry PCB)
5 Link to terminal – when used on Sentry system
T Electronic call tone output to common side of call buttons (NOT USED ON SENTRY SYSTEM)
- Link to terminal 5 when used on Sentry system
PTE push to exit button to trigger door release relay (NOT USED ON SENTRY SYSTEM)
C Common connection of dry contact relay (NOT USED ON SENTRY SYSTEM)
NC Normally closed connection of dry contact relay (NOT USED ON SENTRY SYSTEM)
NO Normally open connection of dry contact relay (NOT USED ON SENTRY SYSTEM)
D+ External link to door open (+12V side) LED.
D- External link to door open (0V side) LED.
BSY Busy signal (NOT USED ON SENTRY SYSTEM)
SL Switched 0V output to switch on video PSU. (NOT USED ON SENTRY SYSTEM)
F1 Switched 0V output to switch on camera. (NOT USED ON SENTRY SYSTEM)
IMPORTANT NOTE (Art.136 Amplifier only): A 680R resistor needs to be fitted across terminals 1 & 3 of the
amplifier and a wire link across terminals 5 & - of the amplifier.
Speech volume adjustments are carried out at the door panel using a small trimmer driver.
Please see block diagram on page 16 for cable requirements
Art.4837 Amplifier connection
Connection Function
C Buttons common connection
C1 Calltone out (Not used on Sentry)
P1 Push button 1 output
P2 Push button 2 output
S1 Common relay (Not used on Sentry)
S Normally Open Relay (Not used)
RL 0V relay trigger (Not used on Sentry)
- 0V Ground
1 Receive speech from apartment
+ Switched +12Vdc input
2 Transmit speech to apartment
P3 Push button 3 output
P4 Push button 4 output
Art.4832 Amplifier connection
Connection Function
I Camera power input (14-20Vdc)
F1 Camera 0V
M/V2 Video Screen or Video sync+
V/V1 Video centre core or Video sync-
C Buttons common connection
C1 Calltone out (Not used on Sentry)
P1 Push button 1 output
S1 Common relay (Not used on Sentry
S Normally Open Relay (Not used)
RL 0V relay trigger (Not used on Sentry)
- 0V Ground
1 Receive speech from apartment
+ Switched +12Vdc input
2 Transmit speech to apartment
P3 Push button 3 output
Adjustment for
speech volume level
at the door station
Adjustment for
speech volume at the
apartment
1 2 3 4
ON
H
L
Position H High volume reassurance tones
Position L Low Volume reassurance tones
No Jumper No reassurance tones
When using the Art.136
amplifier with the Sentry
system, all dip-switches
must be off
Dip-switches and
jumper setting
on Art.136
amplifier
This jumper will not adjust the reassurance tone on
the Sentry system
680R
PAGE 4 of 29 SENTRY TECHNICAL MANUAL VER1.6
CONTROL CABINET
The control cabinet consists of three primary components plus optional extra components
such as line card isolation, door monitoring etc. The three primary components are the
Sentry control PCB, power supply unit and time clock.
SENTRY PCB
The Sentry PCB includes three jumpers to select calling time, speech time and door open
time:-
JP3 LINK FITTED LINK REMOVED
CALL TONE LENGTH
L1 15 Seconds (3 rings) 25 Seconds (6 Rings)
SPEAK TIME
L2 30 Seconds 90 Seconds
LOCK OPEN TIME
L3 5 Seconds 10 Seconds
POWER SUPPLY
A control cabinet for an audio system will contain a 13.8Vdc PSU with battery back up
facility. The standard power supply is rated at 1 Amp. (Care should be taken to calculate
the current consumption of the lock release as it may be necessary to upgrade this power
supply to either a 2 Amp or even a 3 Amp). Video control cabinets will have an additional
PSU rated at 20Vdc 1 Amp surge or 800mA continuous. This additional power supply is
described below and is used to power the videophones and the camera.
CN1
CN2
CN3
CONNECTIONS
CON Terminal Function
CN1
+12 12Vdc Input power
GND 0V (Ground)
NO Normally open relay
CO Common relay
NC Normally closed relay
CB Call button common
4 0V to amplifier
3 Switched +12 to amp
1 Transmit speech to amp
2 Receive speech from amp
CN2
ENG-LO Engaged signal
ENG-LA Busy lamp connection
FIREMAN Fireman switch input
SWITCH Triggers relay for set time
TRADE Trade button input
BUTTON
TIME Time clock input
CLOCK
CN3
+12 +12V out to telephones
7 0V to telephones
4 Call tone output
2 Transmit speech to phone
1 Receive speech from phone
5 Lock release trigger
1
2
3
Call tone line protection fuse
Call in progress LED
JP3 Timer jumpers for call time,
speech time and relay time
1
2
3
315mA
PAGE 5 of 29 SENTRY TECHNICAL MANUAL VER1.6
Art. 893N
Art.701
OPTIONAL ISOLATION PCB
20Vdc 800mA continuous 1A surge PSU. This power supply only
has an output when either a 0V is applied to –C or when a voltage
is applied to +C. At all other times the + output is switched off.
Connection Function
230V~ 0 Mains voltage input
+ Switched 20Vdc output (Triggered by –C or +C)
- 0V
-C 0V trigger input (From 4V to 0V)
+C + volts trigger input (From 8V up to 30V)
D+ +20Vdc output via diode
BST/GMT digital time clock. This time clock operates from a 12Vac
or dc power supply. The output is a dry contact relay. When used
with the Sentry control system the relay is used to short the time
clock inputs on the sentry PCB which will in turn enable the trade
button input to accept a short from a trade button. This will then
energise the lock relay on the Sentry PCB.
Connection Function
+ 12Vac or dc voltage input
- 0V
TR Not used with Sentry system
C Common connection on relay
NO Normally open connection on relay
NC Normally closed connection on relay
For more information see time clock instruction sheet
An isolation card will prevent a fault in a single
apartment affecting the rest of the system. The
isolation card has four channels (One card required
for every four apartments) and can be mounted in
the main control cabinet or in riser boxes.
Operation:
The isolation card will trigger an output when it
receives a positive voltage on either A, B, C or D.
The output will stay triggered as long as the SW+
terminal has 12 volts present. Once the 12V is
removed from the SW+ terminal the output will
switch back into isolated mode. The inputs A-D are
from the call buttons at the door panel and the SW+
is switched by the Sentry PCB (Terminal 3 of the
amp). Four LED’s on the PCB indicate when an
output is live.
2
1
3
3
5 5 5
5
4
4
4
4
Power and phone commons from Sentry
PCB
Select lines from call buttons
Call tone & +12V to phones fuse
Phone connections to apartment
Output live LED
1
2
3
4
5
PAGE 6 of 29 SENTRY TECHNICAL MANUAL VER1.6
INTERCOM 3 PCB
NOTE
In the event of the speech needing to be adjusted to eliminate feedback or to increase the
speech volume to an acceptable level the following two options are available :Option 1. The speech can be adjusted at the door panel amplifier by adjusting the two
volume controls (One for transmitting to the apartment and one for receiving from the
apartment).
Option 2. There is also a volume POT [VR1] on the intercom 3 PCB. This will adjust both
directions of speech at the same time and is only intended for situations when the volume
cannot be adjusted sufficiently at the door panel. (Note: This will also adjust the call tone
volume both at the door and at the apartment station).
1
2
3
CN1 Connections in from Sentry PCB
CN2 Connections out to apartment station
Volume adjust
1
2
3
The intercom 3 apartment station
interface PCB is required whenever
the 500, 500M or 500ST apartment
station are used. This PCB converts
the duplex speech into simplex
speech and controls the switching of
the apartment station
CON Terminal Function
CN1
+12V +12Vdc In
Gnd Ground
3 Switched 12Vdc
4 Calltone
2 Receive Speech
1 Transmit Speech
5 Lock Trigger
CN2
1 Lock button
6 Talk button
2 Switched 12Vdc
3 Speaker
5 Ground
+12V +12Vdc Out
PAGE 7 of 29 SENTRY TECHNICAL MANUAL VER1.6
AUDIO TELEPHONES
Art.3121
Art.3123
The Art.3121 includes a three position call tone volume control, lock
release push button and spare dry contact push to make button for
other services.
CONNECTIONS: Function
1 Transmit speech to the door panel
2 Receive speech from the door panel
T Call tone in from Sentry PCB
P Switch 0V lock trigger command
- 0V
C Select line (Switches on telephone)
8 Dry contact switch
9
The Art.3123 includes a three position call tone volume control, lock
release push button and spare dry contact push to make button for
other services. Additionally it includes a slide mute switch with LED to
turn the phone off when the tenant does not want to be disturbed.
CONNECTIONS: Function
1 Transmit speech to the door panel
2 Receive speech from the door panel
T Call tone in from Sentry PCB
P Switch 0V lock trigger command
- Not Used
C Select line (Switches on telephone)
8 Dry contact switch
9
SWITCH PCB
- 0V
+/~ +12V for mute LED
PAGE 8 of 29 SENTRY TECHNICAL MANUAL VER1.6
Art.3125
Art.3126
The Art.3125 includes a three position call tone volume control and
large lock release push button. Additionally it includes a push on push
off mute switch with status LED and a door open LED.
CONNECTIONS: Function
1 Transmit speech to the door panel
2 Receive speech from the door panel
T Call tone in from Sentry PCB
P Switch 0V lock trigger command
- 0V
C Select line (Switches on telephone)
D Switched +12 in for door open LED
+12 +12V for mute circuit
The Art.3126 includes a three position call tone volume control and
large lock release push button. Additionally it includes a push on push
off timed mute switch with status LED and a door open LED.
CONNECTIONS: Function
1 Transmit speech to the door panel
2 Receive speech from the door panel
T Call tone in from Sentry PCB
P Switch 0V lock trigger command
- 0V
C Select line (Switches on telephone)
D Switched +12 in for door open LED
+12 +12V for mute circuit
JUMPER SETTINGS: FIVE SETTINGS ARE AVAILABLE FOR THE PRIVACY TIME
Jumper in position A 15 Minutes
Jumper in position B 30 Minutes
Jumper in position C 2 Hours
Jumper in position D 4 Hours
Jumper in position E 8 Hours
SET THE PRIVACY LED TO FLASH OR ON CONSTANT
Jumper in position FL Flash the privacy LED
Jumper in position FX LED on constant
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