ADEMCO VISTA-100 Service Manual download pdf (Page 49)

VistaView-100

CCTV Switcher

General Information:

The ADEMCO VistaView-100 module is a CCTV switcher that

accepts 4 video inputs, switching them to 2 video outputs. The

video inputs are compatible with any standard 75 ohm,

line-locked, black and white or color video camera. The video

outputs are compatible with any standard 75-ohm video

monitor or recorder. The VistaView-100 module also provides

a form-C trigger relay output and an open collector video loss

output. The trigger relay output may be used to start and stop

recording or to change from time lapse to real time recording.

The video loss output indicates when video signals are no

longer present on one or more video inputs.

VistaView-100 has two modes of operation. In normal

sequencing mode, VistaView-100 automatically sequences the

installer selected video inputs to the 2 outputs using an

installer selected dwell time that is common to both outputs.

This mode allows cameras assigned to a given output to be

continuously monitored using a video monitor and/or

continuously recorded using a recorder set for time lapse

recording. In panel trigger mode, VistaView-100 switches one

specific video input to the OUTPUT1 line on a momentary

basis using a separate installer selected dwell time or on a

latched basis as directed by commands received from an

ADEMCO control. VistaView-100 receives these commands

via the control panel’s ECP bus and responds to the same

commands that the panel uses to activate the relays on the

4204 relay module, thereby allowing it to be used with any

panel that supports the 4204. This mode allows one specific

camera to be monitored by a video monitor and/or recorded

by a recorder set for real time recording when an installer

defined event occurs such as an alarm or trouble condition on

a selected control panel zone.

VistaView-100 can be powered from a control’s 12VDC

auxiliary power Output or from a supplementary 12VDC power

supply. The VistaView-100 module can be used without a

control when powered by a supplementary 12VDC power

supply and when the panel trigger mode will not be used.

The VistaView-100 module provides BNC connectors for

video input and output connections and screw terminals for

power source. ECP bus, trigger relay, and video loss

output connections.

Installation:

The VistaView-100 may be wall mounted or placed on a shelf.

The VistaView-100 is supplied in a plastic case. To mount the

case on a wall, insert two self-tapping screws (supplied) into

the wall with the screw heads projecting approximately 1/8

inch. Remove the VistaView-100 PCB from the case and with

the holes for the BNC video connectors facing down, position

the slotted holes on the case back onto the screw heads. On

the inside of the case remove the plastic step that covers the

screw heads and tighten the screws to secure the case to the

wall. Install the VistaView-100 PCB into the case.

Connections:

The VistaView-100 must be connected via its video BNC

connectors to the video cameras, monitors, and recorders to

be used with 75 ohm coaxial cable. Consult the instructions

provided with these devices for cable length limitations.

Depending on the devices used, the maximum cable length

running from a camera, through VistaView100, to a monitor or

recorder is typically 500 to 1000 feet when high quality, low

distortion coaxial cable such as RG59B/U is used. Run wires

from VistaView-100’s power input and ground screw terminals

to a 12VDC power source (i.e., control’s auxiliary power

output). If panel trigger mode will be used, run wires from

VistaView-100’s Data In/Out screw terminals to the

corresponding ECP bus terminals on the control. If video

loss is to be annunciated on the control, run a wire from the

video loss screw terminal to one leg of the EOL resistor on

a control panel zone that has a grounded return. Program

the zone for 24-hour trouble (or equivalent) response.

When the VistaView-100 is not powered from the control,

run a wire from its ground screw terminal to a ground

terminal on the control so that both devices share a

common ground reference.

Programming and Operation:

For normal sequencing mode, set the DIP switches OUT1 and

OUT2 to assign the desired video inputs to OUTPUT1 and

OUTPUT2, respectively. Adjust the NSD trimpot to select the

desired normal sequencing dwell time (1 to 30 seconds).

Note that the VistaView-100’s trigger relay remains inactive in

this mode.

For panel trigger mode, set the ECP DIP switch to the address

that will be used by the control to communicate with the

VistaView-100. Refer to the instructions provided with the

control when selecting this address. The table below shows the

DIP switch settings for each of the 16 possible addresses that

can be selected. Be sure to choose an address that is different

from the addresses of all other devices, including other

VistaView-100 modules, which are connected to the Control’s

ECP bus.

Program the address selected into the control and assign

device type 4 (i.e., output device) to this address using the

control’s Device Programming Menu. Also program the events

that will trigger relay numbers 1 through 4 (corresponding to

INPUT1 through INPUT4) along with start and stop options for

these relays using the control’s Relay Programming Menu.

Video inputs should either be assigned an “Activate For 2

Seconds” start option (this option does not require a stop

option to be programmed) or an “Activate Steady Until

Stopped” start option (this option requires a stop option to be

programmed). When VistaView-100 receives a command to

activate a relay for 2 seconds, it will switch the corresponding

video input to OUTPUT1 for the dwell time selected by the

PTD trimpot. This dwell time ranges from 2 to 60 seconds.

Adjust the PTD trimpot to select the desired dwell time. When

VistaView-100 receives a command to activate a relay steady,

it will switch the corresponding video input to OUTPUT1 until it

receives another command to deactivate the relay. When

VistaView-100 receives a command to activate a second,

third, or fourth relay before a previously switched input has

been deactivated, it will automatically sequence between all

activated inputs using a fixed 1-second dwell time.

VistaView-100 will activate its on-board trigger relay when one

or more inputs are switched to OUTPUT1 and will de-activate

this relay when all inputs have been deactivated.

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ADEMCO VISTA-100 Service Manual Page 49

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