Computronic VPP404 User manual

VIDEOSWITCHER
VPP404
VPA404
VPA408
Installation and usermanual

IMPORTANT SAFEGUARDS
VPP404 / VPA404 / VPA408 1
READTHE INSTRUCTIONS
Be suretoread all the safetyand operating instructionsbeforeusing the device.
KEEP THE INSTRUCTIONS
Be suretokeep all the safetyand operating instructionsforpossiblefutureneed and queries.
FOLLOWTHE INSTRUCTIONS
Be suretofollowall the safetyand operating instructions.
WATERANDHUMIDITY
Donotusethe unitnearwater–forexamplenearabathtub,orinanyarea showing evidences
ofhumidity.
POWERSUPPLY
Thisequipmentcan be fed onlybythe type of supplyquoted byaproduction code on the device.
Donot overload electricadaptersand extension cordsasthiscan result infireorelectricshock.
REPAIR
Donot attempt toopen coversand toservicethisunit yourself, referall repairstoqualified service
personnel.
UNPACKING
Transferpackage isasafecovering fordevicetransportation.Werecommend tokeep the wrap-
ping forrelevant futureusage.

TABLEOFCONTENTSINTRODUCTION
VPP404 / VPA404 / VPA4082
INTRODUCTION........................................2
MAINCHARACTERISTICS........................2
OPERATING ELEMENTS
ANDFUNCTIONS ......................................3
INSTALLATION..........................................5
MONITOROUTPUTS..............................5
ALARMINPUTS......................................5
ALARMOUTPUT....................................5
ALARMCONNECTOR............................5
POWERSUPPLYINPUT........................5
VIDEO SWITCHERS CONTROLLING .......5
BASICMODE.........................................5
MANUAL SWITCHING...........................5
AUTOMATICSWITCHING......................5
MAINMENU............................................6
CAMERA ACTIVATION...........................6
SWITCHING PERIOD.............................6
ALARM....................................................6
BEFORE LOOKING FORHELP................8
TECHNICALSPECIFICATION...................9
Programmablevideo switchersVPP404,
VPA404, VPA408 isaapparatus,whichen-
ablesdisplaying of4or8camerason one
output.
The switching can be provided manuallyor
withthe helpofprogrammed sequence.Itis
possibletosetup cameras,whichareatthe
righttimeavailableforautomaticswitching.
Thismakespossibletodisconnecttemporar-
ilyuninteresting ordisconnected cameras.
Anoperatorattention can be focused onlyon
important cameraimages.
The video switchersVPA404 and VPA408
contains4(8)alarm inputs.The video
switchersitselfremembersthe lastsetting of
activecameras,aprogrammed sequence
and the timeofswitching an alarm output,
even afterthe unit had been switched off.
MAINCHARACTERISTICS
o 4 (8)video inputs
o 2 identicalvideo output
o on screen menu control
o programmableswitching sequence
forthe monitoroutput
o alarm input foreachvideo input
o potentialless alarm output *
o 2 alarm setting modes*
o acousticand opticalalarm signaling *
*forVPA404 and VPA408 only

OPERATINGELEMENTSAND FUNCTIONS
VPP404 / VPA404 / VPA408 3
Pict.1: Front panelVPP404 / VPA404
MENU34
12SEQ
4 CHANNEL VIDEO SWITCHER
VPA404
Pict.2: Front panelVPA408
MENU5768
1324SEQ
8CHANNEL VIDEO SWITCHER
VPA408
1
2
3
1. 1-8
Press the button 1–8todisplaythe appro-
priatecameraimage.
2. SEQ
Press the button SEQ tostartthe automatic
cameraswitching,according tothe pro-
grammed sequence.
3. MENU
Press the button MENU todisplaythe control
menu on the screen.
4. IN1–IN8
Video inputsforcameras1–8.
Pict.3: Back panelVPA404
IN 1
ALARM
IN 3
IN 4IN 2
POWER
12V
-
+
12
MON
Pict.4: Back panelVPA408
IN 1
ALARM
IN 3IN 5IN 7
IN 8IN 6IN 4IN 2
POWER
12V
-
+
4
5
6
7
8
9
12
MON
5. MON1
Mainvideo output.
6. MON2
Spot video output.
7. ALARM
Connectorforconnecting alarm inputsand
outputs.Thisconnectorenablesconnecting
ofalarm contact makers, sensors, etc.
8. POWER
Press the switchPOWERtostartthe video
switchers.
9. 12V
Connectorforconnecting powersupply.

OPERATINGELEMENTSAND FUNCTIONS(continuation)
VPP404 / VPA404 / VPA408
4
Pict. 5: Alarm connectorCANNON25 forVPA404
131211109876543
141516171819202122232425
21
(1) Alarm output –normallyopen contact 1
(2) Reserve
(3) Alarm input 1
(4) Alarm input 3
(5) Reserve
(6) Reserve
(7) Common conductor–ground (GND)
(8) Reserve
(9) Reserve
(10) Reserve
(11) Reserve
(12) Common conductor–ground (GND)
(13) Common conductor–ground (GND)
(14) Alarm output –normallyopen contact 2
(15) Reserve
(16) Alarm input 2
(17) Alarm input 4
(18) Reserve
(19) Reserve
(20) Common conductor–ground (GND)
(21) Reserve
(22) Reserve
(23) Reserve
(24) Reserve
(25) Common conductor–ground (GND)
Pict. 6: Alarm connectorCANNON25 forVPA408
131211109876543
141516171819202122232425
21
(1) Alarm output –normallyopen contact 1
(2) Reserve
(3) Alarm input 1
(4) Alarm input 3
(5) Alarm input 5
(6) Alarm input 7
(7) Common conductor–ground (GND)
(8) Reserve
(9) Reserve
(10) Reserve
(11) Reserve
(12) Common conductor–ground (GND)
(13) Common conductor–ground (GND)
(14) Alarm output –normallyopen contact 2
(15) Reserve
(16) Alarm input 2
(17) Alarm input 4
(18) Alarm input 6
(19) Alarm input 8
(20) Common conductor–ground (GND)
(21) Reserve
(22) Reserve
(23) Reserve
(24) Reserve
(25) Common conductor–ground (GND)

INSTALLATIONSWITCHERSCONTROLLING
VPP404 / VPA404 / VPA408 5
MONITOROUTPUTS
OutputsVIDEO SWITCHERSand MAINare
individualvideo outputsforconnecting moni-
tor.Forthe correctfunction ofthe connected
apparatusthe signalcablesmusthavethe
impedanceload of75Ω.
ALARMINPUTS
One alarm inputissuitableforone video
input. Alarm loopsareconnected between
alarm inputand common conductor-ground
(GND).
ALARMOUTPUT
Video switchershasitsownpotentialless
alarm outputmade of the normallyopen con-
tactsofthe relay.
ALARMCONNECTOR
Alarm connectorisused forconnecting
alarm inputsand outputs.The connection of
25 outlet connectorCANNONisillustrated on
the pictures5and 6(page 4).
POWERSUPPLYINPUT
The video switchersVPP404, VPA404 and
VPA408 aresupplied fromauniflowsupply
of12 V. Energyinputis4Wmaximum.For
connecting supplyvoltage isused aconcen-
tricconnector5,5x2,1mm.The positive
supplypoleison the inside contactofthe
concentricconnector,the connectorjacketis
the negativepole.
BASICMODE
Afterturning on,the video switcherscycli-
callyswitchesamong activecamerasaccord-
ing tothe sequence,whichhasbeen setup.
The automaticswitching issignaled bythe
SEQlight-emitting diode (LED),the camera
displayed on the mainvideo output(MAIN) is
signaled bythe diode ofthe buttons1–8.
MANUALSWITCHING
Press the corresponding button todisplay
cameras1–8.
AUTOMATICSWITCHING
The automaticswitching startsbypressing
the button SEQ.
Ifthe video switchersdoesnotstarttoswitch
automatically,check the camerasettingsin
the menu SEQUENCE and TIME (page 6).

VIDEO SWITCHERSCONTROLLING(continuation)
VPP404 / VPA404 / VPA4086
Video switcherscontainagraphicalmenu,
whichenablesthe setting ofthe following
functions.
o Camerasactivation forautomatic
switching
o Switching period set up
o Alarm functionsset up
MENU -MAINMENU
Todisplaythe mainmenu on the screen
press the button MENU. Choosethe required
function bypressing the buttons1, 2and 3.
SEQUENCE – CAMERAS ACTIVATION
Bypressing the button 1isthe menu for
camerasactivation and deactivation for
automaticswitching displayed.
Bypressing the buttonsofindividualcam-
erasactivateordeactivateautomaticswitch-
ing cameras.Activated camerasaremarked
bysign .
Ifthe camerasaresetup,the video switch-
erswill switchautomaticallyamong cameras
1, 2, 3, 4, …
Incaseyou makeamistakebysequence
programming (none oronlyone camerais
active)and you startthe switching sequence
bypressing the button SEQ on the front
panel,notice „INCORRECTSEQUENCE“
will appear.Inthatcaseisnecessarytoset
up camerasinthe SEQUENCEmenu pro-
perly.
TIME – SWITCHING PERIOD
Byusing the buttons1and 3(1and 5by
Q8M)ispossibletoprolong orslowdownthe
switching timeamong individualcameras
and video switcherspictures,atintervals1–
99 sec.
ALARM–ALARMSETUP
The video switchersdetectsan alarm,when
the connection isprovided between the
alarm input1–8on the CANNONconnector
ofthe back paneland the common conduc-
tor–ground (GND).Bythe helpofthe but-
tons1and 3(1and 5Q4M)setup video
switchersreaction foran alarm.The reaction
can be:
OFF -alarm isoff -video switchers
doesnot respond tothe alarm.
FOLLOW -video switcherssignalizesan
alarm aslong asanyalarm in-
put isactive.
2-255 S -video switcherssignalizesan
alarm forthe setup timesince
the alarm event had occurred.
Ifan alarm occurs,the video switchers
makesthe following steps:
1.itswitchesthe alarm output(relay)–sig-
naled acoustically(beep).
2.it switchesacameracorresponding tothe
alarm input forthe set up time.
The alarm stopsafterthe end ofthe setup
timeinterval,afterpressing anybutton or

INSTALLATIONSWITCHERSCONTROLLING
VPP404 / VPA404 / VPA408 5
afterthe end ofthe alarm eventinthe mode
FOLLOW.

VIDEO SWITCHERSCONTROLLING(continuation)
VPP404 / VPA404 / VPA4086
YOURTROUBLE THE CAUSE ANDITS SOLUTION
Afterconnecting thesup-
plyvoltagedevice does
notwork.
The powersupplyisnot connected.
Check the supplyconnectorand the polarityofpowersupply.
Switchon the powerbreaker.
The supplyadapterisnot dimensioned sufficiently.
Check ifthe adapterpoweroutputand voltage agree withthe
video switchersrequirements.
Afterconnecting thesup-
plyvoltagetheLEDsare
on, butthedevice does
notwork.
The supplyadapterisnot dimensioned sufficiently.
Check ifthe adapterpoweroutputand voltage agree withthe
video switchersrequirements.
Automaticswitching se-
quence cannotbe
switchedon.
Cameraslisted inthe switching sequenceareoff fromthe switch-
ing.
Correct the sequenceand check the sequenceperiod (page 6).
Device doesnotreactto
alarminputs. The alarm processing isswitched off inthe mainmenu.
Set up the alarm withthe function of ALARM (page 6).
The connection ofthe alarm signalsisdisconnected.
Check the connection of the alarm connector.
Thereisno pictureon the
monitor. The video switchersand monitorpatchcordisdefective.
Check the patchcordcarefully.

TECHNICAL SPECIFICATION
VPP404 / VPA404 / VPA4088
VIDEO INPUTS
Number: 4(8byVPA408)
Amplitude: 0,75 -1,5Vp-p
Inputimpedance: 75 Ω
Connectors: BNC
VIDEO OUTPUTS
Number: 2identical
Amplitude: 1Vp-p load 75 Ω
Connector: BNC
ALARMINPUTS
Number: 4(8byVPA408)
Loop connection: input –ground (GND)
Activity: normallyopen
Maximumalarmloop impedance: 1kΩ
Connector: CANNON25 pinsocket
ALARMOUTPUT
Output: 2lowvoltage relaycontacts
Maximumswitching voltage: 40 V
Maximumswitching current: 0,5A
TEMPERATURE CONDITIONS
Rangeofoperating temperatures: 0–40 °C
Humidity: max. 85 %
POWERSUPPLY
Inputvoltage: 12 VDC
Powerconsumption: max. 4W
Connector:Concentric5,5×2,1mm
MECHANICALPARAMETERS
Dimensions: 218(W)×44,5(H) ×230(D) mm
Weight: 1,4kg
ACCESSORIES
Alarmconnector mate+cover: 1pforVPA404 and VPA408 only

 2000 COMPUTRONIC
Printed in theCzech Republic
Producer reserves theright to alternation without prior notice