Xtrails ICAM IFT Series Use and care manual

Xtralis ICAM
Communications Guide
October 31, 2008
Document: 16013_00
Part Number: 29306

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expressly excluded.
General Warning
This product must only be installed, configured and used strictly in accordance with the General Terms and Conditions, User
Manual 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.
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Table of Contents
1Scope..........................................................................................................................................2
2Introduction to Xtralis ICAM Communications.......................................................................3
3RS232 Communications ...........................................................................................................4
4TCP/IP Connections ..................................................................................................................5
4.1 TCP/IP Setup.....................................................................................................................5
5RS485 Communications ...........................................................................................................7
5.1 IFT Single Remote Panel...................................................................................................7
5.2 IFT Mini Remote Display Unit ............................................................................................8
5.3 RS485 Network Setup .....................................................................................................10

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1 Scope
The Xtralis ICAM Communications Guide provides information about communication protocols and
devices available for the Xtralis ICAM product range. The Guide first introduces the communication
protocols, and then provides the reader with information on available communication devices.
The Xtralis ICAM Communications Product Guide is written for those people who are involved with the
design specifications, maintenance and purchase of Xtralis ICAM systems.
It is assumed that persons using this guide have knowledge of the local fire and electrical codes and
standards. Installers should hold appropriate certification for electrical installations.

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2 Introduction to Xtralis ICAM
Communications
Xtralis ICAM Communications are based on three systems.
•ICAM PC Software uses RS232 serial protocol allowing communications between a PC and the
Xtralis ICAM family of products.
•TCP/IP protocol allowing communication between a PC and the Xtralis ICAM detector.
•RS485 communications.

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3 RS232 Communications
Xtralis ICAM IFT detectors can be configured with Xtralis ICAM PC Software that allows a user to fully
configure any Icam Detector for setup prior to system commissioning and handover.
An RS232 9 pin Null Modem cable connects the PC to the serial port on the IFT product. If an RS232
port is not available on the P.C/Laptop device a suitable USB/Serial converter can be used. The image
below shows connectivity of the RS 232/USB converter cable to the PC.
Figure 3-1: ICAM IFT-15 detector connected to PC

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4 TCP/IP Connections
ICAM PC Software allows TCP/IP monitoring of the Icam range of fire and environmental detector
units. The detector units may be installed locally or remotely. This live information is then available
over TCP/IP to multiple PC users.
The monitoring system comprises one or more detector units, one or more PC SOftware applications
and one or more servers. A server program is referred to as the ‘Message Server’.
The message server will normally reside on one network PC and ICAM PC SOftware on another. They
will be connected by Ethernet to each of the detector units as shown in Figure 4-1.
The messageserver maintains a data base of connections to detector units and PC Software
applications. When a detector unit initially connects to the messageserver it informs it what data and
commands it requires and what data and notifications it has to offer. Similarly, when a PC application
connects to the messageserver it informs the messageserver what data it needs and what commands it
needs passed on to the detector units. Thus the ICAM MessageServer acts as a relay point for data
and control, routing them to intended and interested parties in the configured system.
Figure 4-1: PC Software with many Detectors
4.1 TCP/IP Setup
The following steps will connect multiple IFT systems to 1/multiple monitoring PC’s on a network.
1. Connect PC LAN port to Local Ethernet port/switch/hub using a suitable Cat 5 cable.

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2. Connect all devices using a suitable Cat 5 cable to the router/switch/hub.
3. Apply power to all units connected. Assign static IP addresses to each device on the network.
4. Ping each device to ensure good data communications.

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5 RS485 Communications
Xtralis Icam IFT systems can communicate using RS485. Several options are available.
1. IFT Single Remote Panel.
2. IFT Mini RDU (Multimaster mode)
3. IFT RS 485 loop.
5.1 IFT Single Remote Panel
The IFT Single Remote panel can be used as a remote panel up to 1 km away from the main system
using a suitable high quality RS485 cable. Xtralis recommends Belden 9841/9842.
•9841 Single twisted pair for comms only
•9842 Double twisted pair. 1 pair for comms, 1 pair for 24V supply.
The RS485 cable is terminated at the IFT I/O PCB and at the remote panel. The diagram below details
connection of RS 485 and 24 VDC at the IFT I/O PCB (i602)
The RS485 cable must also be terminated at the IFT remote panel. Unscrew the panel from the wall
mounting box and connect as below:
•Red - 24 VDC
•Blue - 0 VDC
•Orange - RS 485+
•Grey - RS485 –

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When the IFT remote panel is fitted in position and all cables are terminated (main system and remote)
the panel can be configured for use. To initiate communications to the remote panel form the unit
1. Press MAIN MENU.
2. Use Parameter UP or DOWN to reach SETUP (Scan and Isolate buttons)
3. Press ENTER
4. Enter Access Code 931
5. Use Parameter UP or DOWN to reach REMPANEL
6. If the display shows REMPANEL 0 then press Value UP to get REMPANEL 1
7. Press ENTER
8. Press MAIN MENU twice to revert to normal display.
Once initialized the main IFT display and the remote will be operational. If a button is pressed on the
IFT display, the remote panel will mimic. Similarly if the remote panel buttons are pressed, the IFT
display panel will mimic. The main IFT display can also be blanked off and fitted remotely in to the
remote panel wall enclosure.
5.2 IFT Mini Remote Display Unit
The Remote Display Unit (RDU) is a 35 mm x 128 mm panel which communicates with an Xtralis ICAM
detector to show from a remote location what is happening at the detector.
The RDU panels can be mounted in a 19” rack and linked together.
In Multi-Master mode, up to 16 RDU modules can be connected to 16 IFT detectors.

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Each IFT detector is given a Modbus address from 1 to 16 and each RDU is given a matching address
from 1 to 16 and put into Multi-Master mode.
The RDUs will then poll their corresponding IFT detector and show any alarm conditions, faults and
smoke levels.
The corresponding detector will detect if a user presses the Reset or Isolate buttons on an RDU.
Wiring Connections
The above shows the wiring connections for the MqBridge.
•Red/Blue - Power-In to MqBridge (0 V, 24 V)
•Blue/Yellow - RS485 communications to Panels.
•Black/Red - Power-Out to Panels (0V, 24 V)

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5.3 RS485 Network Setup
Power Supplies
Use galvanically isolated power supplies (in accordance with UL1481) since the RS485 inputs/outputs
are not usually isolated from the equipment internal zero volt line.
The RS232/RS485 converter should also be galvanically isolated.
Cabling
RS485 communication is by current switching between a pair of wires at data rates of up to 250 kbps.
The cable construction is specified as:
•Twisted pair of nominal 10 turns per metre/yard
•40 pF to 60 pF metre between conductors
•100
Ωto 120 Ωcharacteristic impedance
•Maximum signal attenuation over total length 16 dB at 0.25 MHz
•Overall screen (to be connected at one end only)
The cable materials are not specified, but in order to meet the low capacity specification
polyethylene/polyolefin/polypropylene is used as the insulator, with PVC/flame retardant PVC as the
overall sheath. Other materials can be used if the impedance and capacity requirements are met.
Installation requirements may add other features, such as fire resistance, flame retardance, UL
approval, low smoke and fume etc.
Termination
Terminate the network with 120 Ωresister at both the start and end of the network as shown in the
following diagram.
Figure 5-1: Termination of 485 network

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Bias Jumpers (CN13)
For the first and last detector on the RS485 network the jumpers should be 1-2 and 4-5 to bias the
transmit/receive lines. For all other detectors all the jumpers should be removed.
Figure 5-2: Bias jumpers on detectors.