Xtralis HeiTel CamDisc HNVR User manual

CamDisc HNVR
Product Guide
February 2017
Document: 26419_04
Software Version: 4.58

HeiTel by Xtralis CamDisc HNVRProduct Guide
26419_04 i
Intellectual Property and Copyright
This document includes registered and unregistered trademarks. All trademarks displayed are the trademarks of
their respective owners. Your use of this document does not constitute or create a licence or any other right to use
the name and/or trademark and/or label.
This document is subject to copyright owned by Xtralis AG (“Xtralis”). You agree not to copy, communicate to the
public, adapt, distribute, transfer, sell, modify or publish any contents of this document without the express prior
written consent of Xtralis.
Disclaimer
The contents of this document is provided on an “as is” basis. No representation or warranty (either express or
implied) is made as to the completeness, accuracy or reliability of the contents of this document. The manufacturer
reserves the right to change designs or specifications without obligation and without further notice. Except as
otherwise provided, all warranties, express or implied, including without limitation any implied warranties of
merchantability and fitness for a particular purpose are expressly excluded.
General Warning
This product must only be installed, configured and used strictly in accordance with the General Terms and
Conditions, User Guide and product documents available from Xtralis. All proper health and safety precautions
must be taken during the installation, commissioning and maintenance of the product. The system should not be
connected to a power source until all the components have been installed. Proper safety precautions must be taken
during tests and maintenance of the products when these are still connected to the power source. Failure to do so
or tampering with the electronics inside the products can result in an electric shock causing injury or death and may
cause equipment damage. Xtralis is not responsible and cannot be held accountable for any liability that may arise
due to improper use of the equipment and/or failure to take proper precautions. Only persons trained through an
Xtralis accredited training course can install, test and maintain the system.
Liability
You agree to install, configure and use the products strictly in accordance with the User Guide and product
documents available from Xtralis.
Xtralis is not liable to you or any other person for incidental, indirect, or consequential loss, expense or damages of
any kind including without limitation, loss of business, loss of profits or loss of data arising out of your use of the
products. Without limiting this general disclaimer the following specific warnings and disclaimers also apply:
Fitness for Purpose
You agree that you have been provided with a reasonable opportunity to appraise the products and have made
your own independent assessment of the fitness or suitability of the products for your purpose. You acknowledge
that you have not relied on any oral or written information, representation or advice given by or on behalf of Xtralis
or its representatives.
Total Liability
To the fullest extent permitted by law that any limitation or exclusion cannot apply, the total liability of Xtralis in
relation to the products is limited to:
i. in the case of services, the cost of having the services supplied again; or
ii. in the case of goods, the lowest cost of replacing the goods, acquiring equivalent goods or having the goods
repaired.
Indemnification
You agree to fully indemnify and hold Xtralis harmless for any claim, cost, demand or damage (including legal costs
on a full indemnity basis) incurred or which may be incurred arising from your use of the products.
Miscellaneous
If any provision outlined above is found to be invalid or unenforceable by a court of law, such invalidity or
unenforceability will not affect the remainder which will continue in full force and effect. All rights not expressly
granted are reserved.

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Document Conventions
The following typographic conventions are used in this document:
Convention Description
Italics Used to denote: references to other parts of this document or other
documents. Used for the result of an action.
The following icons are used in this document:
Convention Description
Caution: This icon is used to indicate that there is a danger to
equipment. The danger could be loss of data, physical damage, or
permanent corruption of configuration details.
Warning: This icon is used to indicate that there is a danger of electric
shock. This may lead to death or permanent injury.
Warning: This icon is used to indicate that there is a danger of inhaling
dangerous substances. This may lead to death or permanent injury.
Contact Us
UKand Europe [phone]
The Americas [phone]
D-A-CH [phone]
Middle East [phone]
Asia [phone]
Australia and New Zealand [phone]
www.xtralis.com
www.heitel.com

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Table of Contents
1 Scope 7
2 Introduction 9
3 System Description 11
3.1 Included in Delivery 11
3.2 Accessories 11
3.3 Warranty 12
3.4 Mounting and Setting up 12
3.5 System Environment 13
3.6 Controls, Indicators, and Ports 14
3.7 Pin Assignment and Functionality 18
3.8 Removable Hard Disk 25
3.9 Device Reset 28
4 Commissioning 29
4.1 First Steps 29
4.2 General Configuration Information 30
5 Description of "Site archive" Features 33
5.1 Storage Concept 33
5.2 Logfile 41
6 Web Server 47
7 CamDisc HNVR Technical Data 51
7.1 Technical data for the HYBRID Card 4 53
8 Factory Settings 55
8.1 Interface Specifications 59
8.2 Declaration of CEConformity 60
8.3 Used Equipment Disposal 62
9 Troubleshooting 63
10 Supplement 65

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1 Scope
This guide provides information on all features of CamDisc HNVR. A step-by-step walkthrough will acquaint
you with the transmission and recording features. All you need is CamDisc HNVR and a PC or laptop with
CamControl LITE or CamControl PRO software.
Version creation date
This guide describes CamDisc HNVR version 4.58. It was compiled in February 2017. As part of continuous
product development CamDisc HNVR firmware is in the process of perpetual enhancement. Refer to the
installation CD or our website www.heitel.com for the current firmware version.
Find information that could not be included in the guide at the time of printing in "Supplement" on page 65.
Supplementary Guides
Perform setup conveniently with CamControl LITE or CamControl PRO software. Please read the notes on
setup in the respective software guide. The description of offline hard disk evaluation by PC is included in
software guide CamControl PLAYER software. The software guides are available on the installation CD in
several languages and as a PDF file (online documentation).
In case you opted for an ISDN Card, PSTN Card, HYBRID Card 4 and/or a 19" Mount Kit please refer to the
information in the installation instructions for the module or the installation kit as well.

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2 Introduction
Thank you for choosing a HeiTel security product. We use only high-quality components that meet the most
stringent security requirements in our devices. They guarantee years of trouble-free operation. CamDisc
HNVR is cased in a robust steel housing. It is suited to desk mounting, wall mounting, and mounting in 19
inch rack cabinets. Years of experience in developing and manufacturing CCTV software and hardware have
resulted in a well thought-out and reliable product designed for a wide range of applications.
CamDisc HNVR in Brief
CamDisc HNVR is a hardware platform especially designed for CCTV application, featuring digital picture
transmission, picture recording, remote evaluation, and integration into superordinate control centre systems.
Features at a glance
lTransmission and digital storage with up to 10 video inputs
nfor up to 10 IP cameras
nfor up to 8 analogue cameras with up to two expansion cards, type HYBRID Card 4 (each for 4
analogue video inputs)
nHTcompress for images from analogue and IP cameras
lResolution individually adjustable:
non IP cameras, depending on the model used: standard to megapixel resolution
non analogue cameras up to 720 x 288 pixels at 16 bit colour depth for transmission and recording
lIntegrated Multi-Unicast server simultaneously supporting up to 6 IP connections, or 5 IP and 1 dial-up
connection, or 4 IP and 2 dial-up connections. If the Web Server is used, one of these six standard
connections is dropped in favour of up to four additional Web browser connections.
lPrecision timing recording of pre-alarm images, individually adjustable to camera and event.
lEvent-triggered dial-up by alarm contact, motion detection (only for analogue video signals), technical
alarm, and routine call.
lPerfected for alarm verification and unique conformity with control centre applications.
lFull-duplex voice communication by bidirectional audio transmission.
lIntegrated audio recording.
lIntegrated interfaces for network, data transmission, and system integration.
lExtensive remote control functions to control lighting, barriers, alarms, doors, and any relay-controlled
devices.
lContinuous recording on integrated removable hard disk with adaptive multi track management and
motion (only for analogue video signals) or contact controlled recording controlled by timer with calendar
feature.
lMulti-criteria evaluation of hard disk recordings by IP and/or dial-up connection, and in offline mode with
PC adapter kit PC Kit CamDisc HNVR USB.
lLive image replication and stored image playback parallel to background recording.
lCompact design, suitable for desk mounting, wall mounting, and mounting in 19” mode.
Device options and upgrade options
CamDisc HNVR 10 is supplied with ten video inputs, each at up to real-time speed:
lUp to 10 IP cameras with simultaneous use of different models and resolutions
lMaximum of 8 analogue cameras with up to two HYBRID Card 4 expansion cards as upgrade option
(each for 4 optional analogue video inputs)
Functional Units
CamDisc HNVR consists of the following functional units:
lDevice-internal video compression HTcompress (M-JPEG differential image compression; with
adjustable compression factor per analogue camera) for images from analogue and IP cameras
lDigital recording on integrated removable hard disk with adaptive multi track management for up to 10
camera tracks

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lDigital transmission of live or stored images by IP or dial-up connection
lRemote configuration and maintenance by IP and/or dial-up connection
lAdaptive alarm management for control inputs and motion detection (only for analogue video signals) for
automatic dial-up and recording control
lSystem and video signal monitoring
lCamera and relay control
lTimer control with calendar feature
lVideo multiplexer each with 4 video inputs with the HYBRID Card 4 expansion card (maximum 2 cards
per device)
CamDisc HNVR Options
All options for the CamDisc HNVR can be conveniently integrated into your CamDisc HNVR unit or
combined with your CamDisc HNVR. All modules and external adapters are ready for plug-in. Refer to
"System Description" and "Accessories" on page 11.

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3 System Description
System description provides you with an overview of your CamDisc HNVR and of the operating requirement
for CamDisc HNVR. This chapter provides information on mounting, security advice as well as information on
the device and the ports.
3.1 Included in Delivery
Component CamDisc HNVR
CamDisc HNVR basic device x
External switchable power supply with wired
terminals for direct connection with CamDisc HNVR
x
Euro power supply cable x
UK/Euro power adapter x
USB connection cable x
Crossover network cable x
Keys to lock the hard disk x
Installation CD including all required software packets
and software guide in online format
x
CamDisc HNVR Quick installation guide (brief
instructions)
x
Note: CamDisc HNVR devices are equipped with a higher performance power supply unit (12 V DC, 7 A).
Do not use a PSU from HeiTel devices from predecessor series with these devices.
Please ensure that all listed components are included in the package. Please contact your dealer in case of
missing, incorrect, or damaged components. Please keep the original packing, if convenient. This packing will
facilitate return of the product.
3.2 Accessories
Hard disks and accessories
lFrame mounted removable hard disk with up to 4000 GB capacity for HNVR series
lPC Kit CamDisc HNVR USB: External USB adapter for independent device evaluation of CamDisc
HNVR removable hard disks
Note: It is essential that you observe the information provided in "Removable Hard Disk" on page 25.
Mountable modules
lHYBRID Card 4: expansion card, each for 4 analogue video inputs (maximum two cards per device)
lPSTN Card: analogue modem module for data transfer using ITU V.90 or V.34
lISDN Card: ISDN module with S0/I.430 interface for transmission via one B channel
Note: The installation instructions for on-site installations are provided for both modules.
External adapters
lDial-up adapters for integration into public and private networks (PSTN/ POTS, ISDN, GSM, HSCSD) via
an RS-232 interface
Mounting kits

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l19" Mount Kit: 2RU installation kit for 19" mode mounting of up to two CamDisc HNVR devices also in
combination with devices of the SVR series.
lCamMount Kit: Two-part mounting plate for installation including strain relief
Note: Refer to our current price list for the respective part numbers.
3.3 Warranty
HeiTel guarantees proper operability of devices and accessories in accordance with the General Terms and
Conditions. Not covered is damage caused by:
lnon-compliance with the instructions provided in this guide
linappropriate use, storage, or operation
lchanges to devices not authorised by HeiTel
ll use of components or accessories not approved by HeiTel
lopening the device housing, or any kind of inappropriate intervention
3.4 Mounting and Setting up
CamDisc HNVR is designed for use in specific ambient conditions. Conditions deviating from these can
cause damage to the device, or to the recorded data. Warranty will be voided in this case. Please maintain the
ambient conditions described below when using your CamDisc HNVR device.
3.4.1 General Safety Information
lMake sure to carefully read and understand this guide before operating the device.
lDo not expose the device to strong vibration or shock.
lAvoid humidity or dust, extreme temperature fluctuations, or strong magnetic fields.
lThe operating temperature for CamDisc HNVR is between +5°C and 40°C.
lProvide sufficient ventilation. Do not block vents. Provide sufficient air circulation for cupboard
installations.
lNever expose the device to direct sunlight. Keep it well away from other sources of heat (radiators, etc).
lInstallation orientation: vertical, horizontal, with a deviation of not more than ±5°.
lIt is essential that you maintain the required ambient conditions for outdoor installations. Protect the
device against atmospheric influence.
lAlways switch off CamDisc HNVR using the main power switch, before removing or inserting a hard
disk.
lWait at least 10 seconds after switching off the device before turning it on again.
lAlways use the original power supply unit with the respective cable. Use it only for the dedicated voltage.
Ensure that the cable is intact. Never use damaged cables.
lSelect an installation site protected against burglary and vandalism. Ensure unrestricted ventilation.
lMake sure that specification limits are not exceeded when connecting external devices.
3.4.2 Electrical Safety
lAlways make sure that your hands are completely dry before touching CamDisc HNVR, the power supply
unit, cables, or sockets. Never touch these with wet hands.
lDisconnect the device from the power supply by pulling at the plug, not at the cable. Never pull at the
cable.
lIf water or any other liquid enters the device, immediately disconnect the power supply. Have the device
checked by customer service.
lThe device contains no components that can be adjusted or repaired by the user. The device housing
must never be opened.
lOnly trained personnel may open the housing for installing HYBRID Card 4, PSTN Cards or ISDN Cards.
The instructions in the included guides must be observed.

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3.5 System Environment
3.5.1 Overview of Software for Operation, Alarm Verification, and
Configuration
CamDisc HNVR is a standalone unit. Once installed and configured, it reacts to events, records these on a
continuous or on an event-triggered basis, transmits video and/or audio data, alarms to local and remote
receiver units, and additionally logs protocols locally. Only one of the following software packets, developed
by HeiTel especially for CCTV applications, is required for the PC based receiver/evaluation unit.
lCamControl LITE (part of CamDisc HNVR delivery) software for operation, alarm verification, and
configuration for single workstations with up to 6000 transmitters CamDisc HNVR, CamServer,
Cam4mobile, CamDisc, CamTel and/or CamLine. CamControl LITE software is used for setting up the
CamDisc HNVR.
lCamControl PRO software for operating, alarm verification and configuration of single workstation
applications. Enables simultaneous viewing of up to 9 transmitters. Maximum 6000 transmitters
(CamDisc HNVR, CamServer, Cam4mobile, CamDisc, CamTel and/or CamLine.
lCamControl PLAYER (included in CamDisc HNVR delivery) software for replay and evaluation of
CamDisc HNVR, Cam4mobile, CamDisc and PC archives, and integral part of CamControl LITE and
CamControl PRO. PC Kit CamDisc HNVR USB - external USB adapter - enables hard disk evaluation in
offline mode.
Note: Information on other software solutions, in particular for integration into higher-level control centres
such as HeiTel's Event Management System(EMS) or the video wall software CamControl MV, is
available on request.
3.5.2 Compatibility of Software Versions
Ensure compatibility of CamControl software with your CamDisc HNVR. The table below provides an
overview:
Software Compatible from version
CamControl LITE 4.53
CamControl PRO 4.16
CamControl PLAYER 3.36
CamControl Android 1.9
CamControl MV 1.1.9
CamControl iPhone 2.3.4
CamControl Windows Phone 1.0
Event Management System 1.6.0
PC requirements
Please refer to the appropriate CamControl software guide or EMS software guide for PC hardware and
software requirements.

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3.6 Controls, Indicators, and Ports
3.6.1 Front View and Description
Item Labeling/description Function
1 Main power switch,
not labelled
Switch On/Off
CamDisc HNVR will be initialised after switch on. Depending on configuration,
this may take up to 45 seconds. Avoid switching on immediately followed by
switching off. This may lead to loss of data. Only switch off the device after
operating mode (i.e. after initialisation) has been reached:
lAfter switching on, the Live and Record LEDs light up for approx. 5
seconds.
lAfter approximately a further 40 seconds, the Power LED is lit
permanently and indicates the device is ready to operate
lAfter approximately a further 5 seconds, image recording starts and image
transmission is similarly possible
lDuring the device shutdown process, any ongoing write operations on the
storage medium are first concluded before the video system is finally shut
down
2 LED Power - green Lights up continuously approx. 45 seconds after switching on to indicate that
the device is ready to operate.
3 Pushbutton Reset,
not labelled
Delete user specific passwords and user names by pressing pushbutton
Reset (e.g. with the tip of a ball point pen) for 10 seconds, until LED Power
starts flashing. Subsequently CamDisc HNVR will be restarted automatically.
No other passwords or setup data will be deleted besides user passwords.
4 V1 - V10
for LEDs - yellow
An illuminated LED in combination with illuminated LED Error (5) indicates
video signal failure of the respective video input. Tip: Deactivate unused
camera inputs using device settings.
When all video LEDs flash simultaneously, this indicates preparation of an
HDD standby (for example prior to switching off the video system).
A LED chaser light from left to right indicates hard disk initialisation.
5 LED logfile - red An illuminated red LED indicates malfunctions, such as system errors or video
signal failure. Viewing the CamDisc HNVR logfile resets the indicator. You
can configure the onboard CamDisc HNVR relays so that an error will also
activate a relay.
6 Online LED - blue An illuminated LED indicates an online connection.

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Item Labeling/description Function
7 Live LED - blue Flashing up of LED Live during online connection indicates ongoing picture
transmission. The interval is determined by the image rate, which in turn is
defined by connection speed (bit rate) and the CamDisc HNVR operating
mode.
8 Record LED - blue An illuminated LED Record indicates hard disk access caused by image write
operations and system access, like transmission of date and time data.
9 Armed (alarm
enabled)
LED - yellow
Indicates the alarm enable status of CamDisc HNVR. An illuminated LED
Armed (alarm enabled) indicates alarms being forwarded to receiver units,
depending on device configurations. The alarm enable status has no impact on
picture recording.
10 Alarm LED - red An illuminated Alarm LED during alarm processing indicates the CamDisc
HNVR alarm status. An alarm may require confirmation by several receivers,
depending on device configuration.
11 USB port USB direct connection to the CamControl receiver station
12 Removable hard disk Removable hard disk for digital video recording. It is essential that you observe
the information provided in "Removable Hard Disk" on page 25.
13 Keyswitch Keyswitch for unlocking/unlocking the removable hard disk. It is essential that
you observe the information provided in "Removable Hard Disk" on page 25.

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3.6.2 Rear View and Description
Item Labeling/description Function
1 eSATA eSATA interface for external HDD or RAID systems.
2 V1in - V8 in Optional analogue video input 1-8: BNC sockets for connecting colour or
B/W video. Switching between CCIR/PAL and EIA/NTSC mode is
automatic.
Activation via the optional HYBRID Card 4, each for four inputs
(maximum 2 cards), refer to "HYBRID Card 4 " on page 24.
3 V1out - V8 out Optional analogue video output 1-8: Active loop in outputs - BNC sockets -
for direct connection of additional video systems/monitors.
Activation via the optional HYBRID Card 4, each for four inputs
(maximum 2 cards), refer to "HYBRID Card 4 " on page 24.
4 34 pin terminal block Terminal block with screw type terminals: Terminals for power supply,
control inputs, relay outputs, loudspeakers.
Note: Pin assignment is detailed in section "Pin Assignment and
Functionality" on page 18.
5 Ethernet RJ-45 socket: Ethernet interface (10/100 MBit/s)
Primarily provided as the interface to the evaluation network, refer to
"Ethernet and ISDN Interface" on page 22.
6 Transp. data/Control
interface
9 pin Sub-D plug: Transparent data interface (RS-232) for bidirectional
transmission of serial data between CamDisc HNVR and CamControl
receiver unit. The interface is prepared for POS functionality and serial
remote control of certain CamDisc HNVR features.
Note: Pin assignment is detailed in section "Pin assignment and
functionality", refer to "Terminal Transp. data/control interface"
on page 22.
7 IP Camera RJ-45 socket: Ethernet interface (10/100/1000MBit/s)
Primarily provided as the interface to the network of IP cameras, refer to
"Ethernet and ISDN Interface" on page 22.
8 ISDN RJ45 socket: optional ISDN interface (S0 bus) or optional PSTN interface
(analogue modem), refer to "Ethernet and ISDN Interface" on page 22.
Activation via the optional ISDN Card for a B channel or the optional
PSTN Card to connect to an analogue data line.
9 Mic Jack socket: Direct connection of an Electret or of an electrostatic
microphone, refer to "Audio Connections CamDisc HNVR" on page 23.

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Item Labeling/description Function
10 Line in Jack socket: Direct connection of an audio source with line level output,
refer to "Audio Connections CamDisc HNVR" on page 23.
11 Line out Jack socket: Direct connection of an audio source with line level input,
refer to "Audio Connections CamDisc HNVR" on page 23.

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3.7 Pin Assignment and Functionality
General
All terminals are pluggable. It is recommended to remove the screw type terminal for wiring, especially of the
terminal block. This makes wiring of incoming and outgoing lines more convenient. The screw type terminals
are grouped by functionality.
3.7.1 34 Pin Terminal Block
Pin Labeling/description Type Function
1 RS-485– Serial (D–) Use this terminal to connect up to 10 remote control
cameras or other compatible devices (e.g. matrix) with RS-
485/RS-422 interfaces.
2 RS-485+ Serial (D+)
3 Ground Common ground for RS-232 interface.
4 RS-232 Tx Serial TxD Use this terminal to connect 1 remote control camera or
one other compatible device (e.g. matrix) with RS-232
interface.
5 RS-232 Rx Serial RxD
6 Ground Common ground for all inputs of type "control input".
7 Al a/d Control input Arm/Disarm input for enabling/disabling dialup to a
CamControl receiver PC, controlled by "Control in", "Al in",
and "Motion Detection".
8 Aux in3 Control input Auxiliary input 3: Reserved.
9 Al in Control input Alarm input for dialup with automatic switching of video
input 1 (V1 in) to a CamControl receiver unit.
Note: The operation of this input always depends on
the status of arm/disarm input "Al a/d".
10 Aux in1 Control input Tamper input for dialup with automatic switching of video
input 1 (V1 in) to a CamControl receiver unit.
Note: The operation of this input is independent of the
status of the arm/disarm enable input "Al a/d".
11 to
15
Control in 1-5 Control input Camera control inputs for external contact triggered
recording and/or selective dialup to a CamControl receiver
unit for video inputs 1 to 5. These control inputs can be
used for event recording as well as for event optimised
permanent longterm recording.
16 Ground Common ground for all inputs of type "control input".
17 Ground Common ground for all inputs of type "control input".

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Pin Labeling/description Type Function
18 12V DC + Power, + Supply voltage is nominal 12V DC (Voltage input from 8-16
V DC). Only connect the device to your local power supply
system using the provided power supply unit with the
prepared connection cable. Only use the power supply
cable matching your grid (Euro/UK).
19 12V DC Power,
ground
20 R1 [Common] Relay Device configuration allows you to allocate the following
functions to any relay:
lManual remote control with CamControl LITE,
CamControl PRO or CamControl CLIENT
distinguishing between switch and pushbutton
functions
lSwitching to at least one CamControl receiver unit
with active online connection
lError relay
21 R1 [normally open] Relay
22 R1 [normally closed] Relay
23 R2 [Common] Relay
24 R2 [normally open] Relay
25 R2 [normally closed] Relay
26 Aux in2 Control input Auxiliary input 2: Reserved.
27 Ground Common ground for all inputs of type "control input".
28 to
32
Control in 6-10 Control input Camera control inputs for external contact triggered
recording and/or selective dialup to a CamControl receiver
unit for video inputs 6 to 10. These control inputs can be
used for event recording as well as for event optimised
continuous recording.
33 Speaker + Audio You can connect a 1 W/8 Ohm loudspeaker on this output
to listen to the audio on the property being monitored.
The output is protected against overload, but not against
shorts. Using a speaker with matching maximum output is
recommended.
34 Speaker – Audio

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3.7.2 Control Inputs, Error Relay, Sabotage Protection
Control inputs
lDepending on control input function and on device configuration, events can be triggered by active switch
normally open, active switch normally closed, edge control, or permanent contact.
lIn principle, control inputs must be switched to ground. Use the ground terminals labelled on the
device, or the ground terminals of the terminal block labelled "common ground for all inputs of type control
input" in the table above.
lStatus changes at the control inputs - closing and opening of the contact - must have a duration of at least
500 ms to allow for positive detection by the device and distinction from "swish contacts".
Standard switching for control inputs
The CamDisc HNVR has a large number of control inputs (Al in, Al a/d, Control in1 to Control in10, Aux in1).
However these inputs are not galvanically isolated from the operating voltage of the device. Depending on the
configuration, these can be activated by "Normally closed" or "Normally opened" contacts.
Note: The control inputs must always be activated such that they are potential-free.
Input circuits of control inputs
Wiring variants for voltage-monitored control inputs
In addition to standard wiring of control inputs, the CamDisc HNVR permits different types of voltage
monitoring.
Normally terminated (10k)
The wiring variant Normally terminated (10k) allows different circuitry for "Normally opened" and "Normally
closed".
Normally opened
Control inputR=10 kΩ
R=10 kΩ Control input
Normally closed
For circuitry with a resistance, a distinction is made between two different states:
lNot triggered: The figures show the safe state in each case (not triggered) of the detector line or the
control input for the variants "Normally opened" and "Normally closed".
lCamera alarm: If the "Normally opened" or "Normally closed" contact is operated, depending on the type
of circuit, a camera alarm is activated. Manipulations of the detector line such as interruption or short
circuit cause triggering as soon as the CamDisc HNVR no longer measures the predefined control
resistance of 10 kOhm (±40%).