I.R.I.S. 295 - Manual (Page 8)

5.01 Camera Control Data
NightRunner cameras are controlled via an RS485 serial data
connection, using a variant of the Pelco-D CCTV camera control
protocol. The Pelco-D protocol was designed to provide
accurate controls for a wide range of standard CCTV features,
such as pan, tilt, user preset features etc, but do not include
certain extended features supported by Iris cameras. Because
of this, Iris have mapped their product specific features to
certain user preset commands and to other modified Pelco-D
commands. This means that NightRunner cameras can be
controlled either by a dedicated NightRunner joystick controller
such as the IRIS595 or Irisʼs IRIS516 (v2), as well as other
control devices, such as compatible chart-plotters, multi-
functional displays and third party joysticks. For further
information on compatible third party control interfacing please
contact Iris Innovations. For certain third party interfacing,
additional serial protocol convertors may be required where
NMEA0183 or NMEA2000 connections are used. Details of the
Pelco-D commands mapped for Thermal Camera functions are
included in this document.
5.02 Cabling Requirements
NightRunner utilizes a unique, new cabling system designed to
simplify most installations and therefore cut cabling and install
costs.
The camera features a single, water resistant RJ45 socket into
which power, video and control data are fed via a single
waterproof CAT5 cable (supplied). An active balun adapter is
supplied to connect to the other end of the CAT5 cable. Into the
balun, DC power is fed, composite video is output and RS485
control data from the controller is fed. See Diagram Below:
WARNING!
Due to voltage drop and the associated increase in current draw,
power must be introduced no further than 50ft from the camera
when using CAT5 cable. If the 60ft CAT5 cable supplied is not
long enough, power must be run separately or taken from a
source local to where the 60ft NightRunner cable ends. See
Section 5.07 Extending Cable Length for further details.
NEVER USE CAT5 CROSS OVER CABLE WHEN RUNNING
YOUR OWN CABLE. SEE APPENDIX B FOR FURTHER
DETAILS
5.03 Video Connections
NightRunnersʼ video output is a 1VP~P Composite video signal
compatible with most Multifunctional Displays (MFDʼs) and TVʼs
(via AV input).
The balun adapter features a male BNC connector for the video
signal, and NightRunner is supplied with a pre-made 2 meter
extension cable. Iris supply a range of pre-made extension
cables if required, alternatively, iʼve you wish to make your own
cable use 75Ω Coaxial cable such as RG59. Please note, RG59
has a solid core conductor which may not be suitable. In this
case use a stranded coaxial cable such as URM70.
A BNC ʻstraight-thruʼ adapter is supplied with NightRunner in
case you need to extend the video cable run.
As well as pre-made cables, Iris supply a range of connectors,
tools and adapter plugs. Contact your Iris dealer for further
information.
Many Multifunctional Displays (MFDʼs) / Chart Plotters use RCA
(Phono) jacks for video inputs. NightRunner is supplied with a
BNC/RCA adapter for this eventuality.
5.04 Data Connections
Control commands are sent to NightRunner over an RS485
Serial Data connection which has 2 wires usually labelled either
A and B or + and -. The data wires from the NightRunner balun
are identified accordingly:
White:! RS485 A (RS485+)
Braid:! RS485 B (RS485-)
When connecting directly to an IRIS595 or IRIS516 controller,
observe the following polarity:
Balun Function Controller
White RS485 A (+) Green
Braid RS485 A (-) White
Note
One of the most common faults when connecting data is
incorrect polarity. In the event that there is no camera control
when you have connected up, please check the polarity of the
data wires. You cannot damage the equipment by reversing
polarity of the data wires.
5.05 Connecting Multiple Cameras / Controllers
If your system features multiple cameras and / or controllers it is
advisable to use a Serial Data Distributor. Iris supply a range of
data distributors as listed below:
Part Number Inputs Outputs
EXP0204 2 4
EXP0208 2 8
EXP0216 2 16
Controllers are referred to as Inputs and cameras are referred to
as outputs. If you require more than 2 controller inputs contact
Iris for details of how to configure your system.
V2.05 Iss 17-07-14: 8
BALUN
12V / 24V DC
Power Input
IRIS595
Controller
RS485
Serial Data
60ft
CAT5 Cable
(Supplied)
IRIS295
NightRunner
MFD