Oliver IGD Tocsin 920 Series Installation guide

TOCSIN 920 SERIES
H M I B a s e d D e t e c t o r C o n t r o l P a n e l
O p e r a t i o n a n d M a i n t e n a n c e
V 1 . 0 6
Tel:
Fax:
Email:
Web Site:
[phone]
[phone]
[email protected]
www.oliver-igd.co.uk
IGD
OLIVER
4a Pepper Road
Stockport
SK7 5BW
England
Oliver IGD Limited

Table of Contents
Specification
CE Declaration
Overall Dimensions
Interface Wiring
Operating System
3
4
5
6
8
9
10
13
14
15
16
17
18
19
20
21
22
23
25
26
27
29
30
31
33
34
37
41
42
Highway Hub Overview
Relay Card Overview
Relay Card Setup
Addressable Cable systems
Overview
Alarm display Mode
System Menu's
Operational Set up Philosophy
Engineers Menu
Channel Setup Tab
Sensor FIND Function
Sensor Setup
Sensors Test Function
Sensor Diagnostics
Sensor Health Check
The Relay Output Tab
Relay Output Diagnostics
Relay Test Function
Alarm Relay Setup
Calibration Menu Tab
Zeroing Detectors
Calibrating Detectors
One Man Calibration Function
GSM Modem Tab
Saving and Re-Loading Panel Setup
Recommended Setup Sequence
OLIVER IGD
Who Should Use This Manual
Gas detection systems form part of
an overall site safety scheme. As
such they must be installed
commissioned and maintained by
competent persons, failure to do so
may compromise the overall safety
strategy of the site.
This manual and the Tocsin 920
system should only be maintained
and installed by trained competent
persons.

OLIVER IGD
This product must be earthed in accordance with local safety regulations.
TheControlPanelleavesthefactoryconfiguredforthesupplyvoltagestatedonthecustomersorder.
Standardoptionsareindicatedbelow.
Should the control panel be used in conjunction with portable generating equipment, care should be
takentoensurethattheelectricalsupplyiswithinthetolerancebanddescribedabove.
0 0
Thecontrol panelmaybe storedat temperatures between0 C and55 C.If storedat low temperatures
andthenbroughtintoa warmerenvironment, condensationmay formonsomecomponents.In sucha
situation , this condensation should be allowed to evaporate prior to use of the equipment. If stored at
high temperature, care should be taken to ensure that humidity condensation does not enter critical
electricalcomponents,forexamplethepowersupply.
o
The Control Panel is designed to operate within specification for ambient temperature between 0 C
o
and 55 C,relativehumidityupto95%(non-condensing).
warning!
Do not use a Control Panel for protection applications that has not been calibrated. If calibration seals
aremissing fromthe control panelor havebeen tamperedwithor broken,then thecontrolpanel must
bere-calibratedandsealedbyatrainedengineer..
Basic Specification
Power
Ambient Operating Temperature
Ambient Operating Humidity
Protection
Display
Displayed Detector Resolution
(Range Dependant)
Connected Hubs
Connected devices
CE Declaration
DC Powered Models 19 to 29V DC
AC Powered Models 85 to 264v AC 50/60Hz
0 to 55 Degrees Centigrade
0-95% RH Non-Condensing
IP54
7" Full Colour Touch Screen 800 x 480
1% LEL
1%Vol
0.1% Vol
1 ppm
0.1ppm
Up to 16 Hubs each with 8 RS485 Highway Ports
Max 128 Highways
Up to 250 Devices
BS EN 61000-6-4 2001
BS EN 61000-6-2 1999
EN61010-1: 2001
89/336/EEC Electromagnetic Compatibility Directive,
amended by 93/68/EEC
72/23/EEC Low Voltage Equipment Directive, amended by
93/68/EEC
3

EC Declaration of Conformity
89/336/EEC Electromagnetic Compatibility Directive,
amended by 93/68/EEC
72/23/EEC Low Voltage Equipment Directive, amended by
93/68/EEC
Oliver Ref T920ECDEC
Product Tocsin 920
Multi Channel Gas Detector Control Panel
Date May 2009
Approval Method Technical Construction File
Ref TCF-T920-A
Manufactured By Oliver IGD Limited
4a Pepper Road
Stockport
SK7 5BW
England.
Declaration Oliver IGD Limited state that:-
The equipment listed above conforms to the requirements
of the EMC directive.
Standards Applied BS EN 61000-6-4 2001
BS EN 61000-6-2 1999
EN61010-1: 2001
Oliver IGD Limited operate an ISO9000 Quality System
which incorporates the requirements of the directive.
Signed Andrew Collier.
Director
OLIVER IGD
4

483.0
133.4
240.0
920
ADVANCED GAS DETECTION SYSTEM
CO
H2S
CO2
SO2
NO NO2
CH4
OLIVER IGD
CO
H2S
CO2
SO2
NO NO2
CH4
0518
www.oliver-igd.co.uk
RESET
RS485 to HUB
RS485 to HOST
or HMI PANEL
System Reset
Connection to First System Hub
Connection to Other HMI
Panel/PC
Hub Connector:
Pin 1 24V DC
Pin 2 Comm B
Pin 3 Comm A
Pin 4 0V DC
Pin 5 Cable
. Screen
RS 485 to Host Connector:
Pin 1 Comm B
Pin 2 Comm A
Pin 3 0 V DC
Pin 4 Cable Screen
Din Rail Terminals (example)
Comm B
Comm A
0 V DC
Cable Screen
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19" Rack Mount systems
Basic Wall Mount systems
7" Colour Touch Screen
Speaker
USB Port
5
OLIVER
A D VA N C E D I N T E L L I G E N T H A Z A R D O U S G A S D E T E C T I O N SY S T E M
USB PORT
CO
H2S
CO2
SO2
NO NO2
CH4 CO
H2S
CO2
SO2
NO NO2
CH4
TOCSIN920 IGD
SERVICE
LABEL
SYSTEM DESIGNATION
520
35
328
105
61
Mounting flanges either side
dia 4.5mm holes 505 x 180mm
Std Weight 9KG
Bottom
View
Front
View Side View
Top
View
20mm Entry Hole Knock Outs
Host
Connection
Chassis Ground

Tocsin 920 Highway Hub Overview
Hub Connector
Tocsin 920 Panel
Pin 1 24V DC
Pin 2 B
Pin 3 A
Pin 4 0V DC
Detector Highways Pin 1 24V DC Pin 2 B Pin 3 A
Pin 4 0V DC
24V DC Supply
0V DC Supply
PC Configurator
Interface.
(NOT implemented)
PCB Initial
Programme Port
1
ON
OFF
ON
OFF
ON
OFF
ON
OFF
2
ON
ON
OFF
OFF
ON
ON
OFF
OFF
3
ON
ON
ON
ON
OFF
OFF
OFF
OFF
4
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Address
7
6
5
4
3
2
1
0
Hub Base Address
Setting
8 off Two Wire
RS485 Ports
For Highway
Connection to
Tocsin 103A
or 102A Series
Gas Detectors,
Additional Hubs,
I/O Nodes or
Relay Cards.
Highway Port LED's
Note these LED's
will flash when
data is being
received from the
detectors. With
power connected
but no comms the
LED with be lit
continuously.
These LED's flash to indicate
communication to
Tocsin 920 controller
0V IN 1 IN 2 IN 3 IN 4 IN 5 IN 6
Direct Digital Input Port
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6

Detector Highways
Pin 1 24V DC
Pin 2 Comm B
Pin 3 Comm A
Pin 4 0V DC
Tocsin 920 Highway Hub Single Ended Cable Operation
GND
ZERO
FAULT
CAL 360
CHASS
24V DC
B
A
GND
mA
P Y W
Common Active Compensator
ZERO
FAULT
CAL 360
CHASS
24V DC
B
A
GND
mA
P Y W
mA+360CONC0V mA-
Common Active Compensator
mA+360CONC0V mA-
Cable Guidance Panel
It is imperative to use cabling which suits the environment in which the T920 and its
sensors are to be used. The following is intended as a guide only. Always use screened cable.
Fit 1.5mm SQ cable for analogue systems
Fit 2.5mm SQ cable for addressable systems (refer to OIGD Cable Calculator for full information)
Use
Pirelli LSX type cable for office/light commercial installations
Steel Wire Armored or CY cable or conduit for medium/heavy
industrial installations.
Not that ATEX standards
state that cables should have
the required degree of
mechanical protection for the
are in which they are to be
installed.
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7
First Highway on Card
If only one hub card then this is cable 1

Tocsin 920 Highway Hub Single Ended Cable Operation
GND
GND
ZERO
FAULT
CAL 360
CHASS
24V DC
B
A
GND
mA
P Y W
Common Active Compensator
ZERO
FAULT
CAL 360
CHASS
24V DC
B
A
GND
mA
P Y W
mA+360CONC0V mA-
Common Active Compensator
mA+360CONC0V mA-
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8
Tocsin 920 Highway Hub Single Loop Back Cable Operation
Cable 1 Cable 2
In this example detectors are
installed onto Cable 1 (highway 1).
They are then wired back to the hub
to Cable 2. The Tocsin 920 will
primarily communicate on cable one.
If communication is lost then the
Tocsin 920 will attempt to
communicate on cable 1 and cable 2.
If this occurs then the sensor channel
select button will turn yellow to
indicate that channel is
communicating in loop back mode
due to some cable error. Once the
error is corrected the channel select
button will revert to being green.
The loop back function is intended to provide increased
cable integrity in the event of cable breaks or similar on
site. Note that loop back must be selected in the system
set up menu and the correct highway cable and loop
back cable set up in the channel set up menu.

Tocsin 920 Addressable Relay Card
Highways Connection
Pin 1 0V DC
Pin 2 Comm A
Pin 3 Comm B
Pin 4 24 V DC
Pin 1 0V DC
Pin 2 Comm A
Pin 3 Comm B
Pin 4 24 V DC
Highways Connection Normally Closed
Common
Normally Open
Relay Terminals
Relay status LED,
ON when Energised
24V DC
0V DC
Power out for
use in
conjunction
with relays
First Relay on
The Card (relays
number from
this one).
From the controller software, the first relay on a card
can be designated as a 'Fault' indication relay. If this
is the case this LED will be lit and the relay action is
reversed, that is it is normally energised and will de-
energise on power failure or any system fault that is
detected. Note also that the relay state LED is RED
if it is NOT designated as a FAULT relay and
YELLOW if it is designated as a FAULT relay
Note relay status LED's colour for
first relay are different if it is
designated as a fault relay in Tocsin
Base Address set up
LED's and interface
for the relay card
In all Cases:
Relay contact ratings.
7A @ 250V AC Non-Inductive
7A @ 30V DC Non-Inductive
Spike suppression must be fitted
Note that FAULT relays are normally
energised on power up.
0V DC
24V DC
~~
A1
A1
A2
A2
Example fit
protection
diodes when
switching
external DC
loads.
Example fit protection
supressors when
switching external AC
loads typical device
Farnell Ref 1438460
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9

Tocsin 920 Addressable Relay Card Setting Relay Addresses
4200
4264
4328
4392
4208
4272
4336
4400
4216
4280
4344
4408
4224
4288
4352
4416
4232
4296
4360
4424
4240
4304
4368
4432
4248
4312
4376
4440
4256
4320
4384
4448
1 2 4 8 16
A4 A3 A2 A1 A0 A4 A3 A2 A1 A0
Press and hold the DOWN button until all LED's are OFF. Release the button
and the address currently set will be illuminated on the bottom five LED’s.
Use the UP and DOWN buttons to alter the address set as indicated in the
table below
To exit press and hold UP or DOWN button until all LED’s are off then release.
DOWN BUTTON UP BUTTON
Each Addressable relay card must have its own unique base address. This can
be set on the card and is indicated below. The relays are then
addresses/numbered from that base address. The example below shows a card
with a default base address of 4200
4200 4201 4202 4203 4204 4205 4206 4207
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A0A4
Note:
In normal
operation with
Power applied
A0 is on.
With comms
trafficA0 will
also flash.
10

920
ADVANCED GAS DETECTION SYSTEM
CO
H2S
CO2
SO2
NO NO2
CH4
Tocsin 920 Addressable Cable Systems.
OLIVER IGD
ZEROZERO
FAULTFAULT
CALCAL 360360
CHASS
CHASS
24V DC
24V DC
B
B
A
A
GND
GND
mA
mA
P
P
Y
Y
W
W
CommonCommon ActiveActive CompensatorCompensator
ZERO
FAULT
FAULT
CAL 360
CHASS
CHASS
24V DC
24V DC
B
B
A
A
GND
GND
mA
P Y W
mA+360CONC0V mA-
Common Active Compensator
mA+
mA+
360
360
CONC
CONC
0V
0V
mA-
mA-
This example block diagram shows a Tocsin
920 19" rack unit connected to two external
highway hubs, two 8 way relay cards, one
two way relay card and three addressable
gas detectors.
This block diagram shows typical addressing
and port numbering.
4200 4201 4202 4203 4204 4205 4206 4207 4208
4209 4210 4211 4212 4213 4214 4215 4216 4217
2 Way Relay
Tocsin 107
Addresses
4218 4219
4101
4101
41024102
HUB 2 ADDRESS 1HUB 2 ADDRESS 0
8 7 6 5 4 3 2 1 16 15 14 13 12 11 10 9
Relay Card 1
Base Address
4200
Relay Card 2
Base Address
4209
Note that the same detector address
can be used on different cable runs.
All addresses on a common cable
must be unique
Note for multiple hub systems the overall cable distance
between hubs and the Tocsin 920 cannot exceed 1KM
Hub address set here
see previous.
Relay card base
address set here see
previous.
Cable Numbers
11
Power
for hub,
detectors
and
Tocsin
920
Controller
if Hub 0.
Note that detectors and hubs can be field powered to
reduce issues from cable volt drop of for convenience
of installation. PSU's employed must typically conform
to:
Min 18V DC at all field wiring points
Ripple & Noise max 150mV P-P
Line regulation +/- 0.5%
Voltage Tolerance +/-2%
Load regulation +/- 1.0%
Failure to meet the minimum required PSU
specification can lead to in service problems.

920
ADVANCED GAS DETECTION SYSTEM
CO
H2S
CO2
SO2
NO NO2
CH4
Tocsin 920 Addressable Cable Systems Continued....
OLIVER IGD
This example block diagram shows a Tocsin
920 19" rack unit connected to one external
highway hub and two gas detectors.
In this example the two gas detectors are
locally powered which means that a three
core cable can be run back to the highway
hub.
The cable is screened at both ends/junction
boxes and the 0V DC connection is brought
back to the hub from the field devices as a
precaution.
Note that power boosters can be added in
the same way but using all 4 cable
terminations where long cable runs result in
voltage drop problems.
HUB 2 ADDRESS 0
8 7 6 5 4 3 2 1
12
Hub Connector:
Pin 1 24V DC
Pin 2 Comm B
Pin 3 Comm A
Pin 4 0V DC
24V DC Supply
24V DC Supply
0V DC Supply
0V DC Supply
ZERO
FAULT
CAL 360
CHASS
24V DC
B
A
GND
mA
P Y W
Common Active Compensator
ZERO
FAULT
CAL 360
CHASS
24V DC
B
A
GND
mA
P Y W
mA+360CONC0V mA-
Common Active Compensator
mA+360CONC0V mA-
4101 41024102
Field PSU
B A
0V DC

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Operating System
On powering of the system, there is an initial count down to allow detectors time to
stabilise. This period can be configured in the engineers menu options to suit particular
applications. During this warm up period all alarms are inactive.
After the countdown period the system goes into normal monitoring operation.
Click on a displayed channel number to make it the
currently viewed channel or type in the channel
number of interest. Note that the display centres on
the selected channel and displays its current status
Alarm 1 Level
Alarm 2 Level
Alarm 3 Level
Select to Disable the
Current channel
(Pass Key Protected)
Sensor TAG, alarm levels
and status displayed Gas Detector Type
Digital and Analogue
Readings
In General:
Green = Normal
Red = Alarm
Yellow = Fault
Black = Disabled
13

OLIVER IGD
System Display When in Alarm
when the system goes into alarm the display immediately
selects the first channel that went into alarm to be the
current channel
The number of
active alarms is
displayed. Use
the left and right
keys to select
between
channels in
alarm.
If beacons and sounders are connected using 107 series relay nodes then the sounders can be
muted. Note there are selections to mute all connected 107 series sounders or just the 107 series
sounder that corresponds to this channel.
Note that if alarms are set as latching there are also options to try and reset just this channel or all
channels that are in alarm. To reset a latching alarm you must be below the alarm level.
Bar Graph Alarm Level Indicators
Rising Latching Alarm Level
Note Latching Alarms Stay Active After The
Gas Level Has Gone and Must be Physically Reset
Falling Latching Alarm Level
Note Latching Alarms Stay Active After The
Gas Level Has Gone and Must be Physically Reset
Rising Alarm Level
Rising Alarms Automatically Reset
Themselves After The Gas Level Has Gone
Falling Alarm Level
(Typically for Oxygen Depletion Alerts)
Falling Alarms Automatically Reset Themselves After
The Gas Level Has Gone
Gas levels must exceed
an alarm level for the
alarm to become active. A
delay before alarm can be
set in the engineer menu
and is common in
ventilation applications to
introduce additional
hysteresis into a system.
14

OLIVER IGD
System Menu Access and Options
USER MENU (CODE 100)
Menu options as:
ZERO SENSOR
CALIBRATE SENSOR
ALARM LEVELS
ALARM COPY
ALARM RELAYS
CLEAR SCREEN
ABOUT
ENGINEER MENU (CODE 50)
Menu options as:
ZERO SENSOR
CALIBRATE SENSOR
ALARM LEVELS
ALARM COPY
ALARM RELAYS
SENSOR CHANNELS
SENSOR FIND
SENSOR SETUP
SENSOR TEST
RELAY CHANNELS
RELAY FIND
RELAY TEST
SYSTEM SETTINGS
SENSOR DIAGNOSTICS
RESET DIAGNOSTICS
SENSOR CHECK
PROGRAM EXIT
EXIT
The Tocsin 920 operating system has two access levels for set up and maintenance
functions. The basic menu layout is indicated on the diagram below.
CODE 345 MENU
(when engineer menu button
selected)
Menu Options as:
COPY FILES TO USB
COPY FILES FROM USB
Note that the User Menu items are repeated on
the Engineer Menu. For the balance of this
manual only the engineer menu functions are
discussed.
15

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Operational Set up Philosophy
The Tocsin 920 controller forms the operational core of an addressable gas detection
system.
ALL elements of the system such as detectors, highway hubs, relay outputs etc have
addresses on the system.
During set up and commissioning the inputs and outputs to and from the Tocsin 920 are
defined with their addresses.
The diagram below shows a typically hierarchy.
Channel Number
on Tocsin 920
Controller
25
Associated
Detector Address
4115
Alarm Level 1
15
Alarm Level 2
25
Alarm Level 3
50
In this example for this particular channel (25)
on the Tocsin 920 controller the gas detection
readings are coming from detector 4115. This is
setup in the SENSOR SETUP menu.
The required alarm levels are set up in
the ALARM SETUP menu. Three alarm
levels are possible for each channel as
AL1,AL2 and AL3. The type of alarm is
also setup in this menu as one of either:
RISING ALARM
RISING LATCHING ALARM
FALLING ALARM
FALLING LATCHING ALARM
Alarm on rising gas level once set point is
exceeded. Alarm resets after gas level is below
the alarm point.
Alarm on falling gas level once level is below set
point. Alarm resets after gas level is above the
alarm point.
Alarm on falling gas level once level is below set
point. Alarm must be manuallyreset after gas
level is above the alarm point.
Alarm on rising gas level once set point is
exceeded. Alarm must be manually reset after
gas level is below the alarm point.
These options are configured in the RELAY SETUP
menu which allows relay alarm outputs to be assigned
to particular channels or groups of channels
For complete details on alarm options see the Alarm
Setup Menu section later in this manual.
Relay Address
4205
Relay Type
RISING
Sensor
25
16

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The Engineer Menu (Passcode 50)
17
Select Engineer Mode and enter pass code 50
The following menu is then displayed
Select the tab at
the top of the
folder to access
each section.
Note that the
sensor tab is
displayed with its
page options by
default. Select
the EXIT tab to
return to normal
operation.
TAB GROUPS
SENSOR
RELAYS
ALARMS
CALS
GSM
SYSTEM
EXIT
FUNCTIONS
Sensor Channels (Change the number of active channels)
Sensor FIND (use to find addressable sensors)
Sensor Setup (setup channel parameters)
Sensor Test (Communication test function)
Sensor Diagnostics (Full diagnostics for the chosen detector)
Sensor Check (Sensor diagnostic Health Check)
Relay Channels (Change the number of system relays)
Relay FIND (use to Find addressable relays)
Relay Diagnostics (Communication test function)
Relay Test (Physical relay test)
Alarm Levels (set alarm levels for each detector)
Alarm Copy (copy alarm set up between channels)
Alarm Relays (Set up parameters for alarm activation)
Zero Sensor (Use to zero an individual sensor)
Zero All Sensors (Zero all connected sensors)
Calibrate Sensor (Calibrate an individual sensors)
One Man Calibration (one man walk round calibration)
GSM Setup (Use to set up GSM functions)
|GSM Test (Test GSM operation)
Main global system settings
Exit to normal gas detection operation

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The Sensor Setup Tab
18
Select the sensor channels option to set the number of active channels
The Sensor FIND Function
The sensor FIND function is used during initial set up of the system to test that all connected
detectors communicate to the control panel. The function can also be used to automatically install
onto the panel all of the detectors which are 'found'. By doing this channels are automatically set
up on the controller for the Address, Cable, Range, Gas Type etc. This will speed channel set up
but it should be noted that performing a FIND and auto install will erase all the existing set up
information including alarm levels and alarm action types.
Select the start and end adress to
search between.
Select the cable numbers to search
Select FIND to start searching for
detectors.
The display will show how
many detectors were found, on
which cables and indicates the
first address found on the
cable
The display now indicates
how many sensors have
been found.
At this stage this may just
be useful diagnostic
information in which case
select ABORT to exit the
sensor FIND or....
Select NEXT to continue
and automatically install
sensors onto the system

OLIVER IGD
The Sensor FIND Function....Automatic Install
You have the option now to
either manually set up system
alarms or allow the system to
set alarm to defaults. These
can be globally set then as
AL1 at 20% of detector range
AL2 at 50% of detector range
AL3 at 100 % of detector range
The system now
interrogates the
detectors to retrieve
the set up data from
each detector head.
Once the data is
retrieved the
system stores the
information to
each channel as
the detectors are
listed as:
Cable number and
detector number.
So Channel 1 will
have the first
cable, cable 1 and
the first detector
address typically
4101 etc.
Notes
19

Select to move between
channels. Tap on the channel
number to type in the channel
number if known.
For this channel
enter the
address which
is to relate to
this channel.
Select to
temporarily
enable or
disable a
channel
Select gas
FLAMM, CO,
CO2 etc
Enter the
UNITS to
display.
% LEL,
ppm,%Vol
etc
Enter the hub
cable number
that this detector
is installed onto.
Note there is
also an option for
a Loop Back port
(Cable LB) if the
detector is on a
double ended
highway. Note
the first hub is
cable numbers 1
to 8, the next
hub 9-16 etc.
Use these two settings to
set up custom inputs for
non-listed non-gas detector
devices. Typically used
when integrating other
sensors onto the highways
using 110 series input nodes
Note that when a
set up button is
selected a popup
menu appears to
allow data to be
typed into the set up
box.
Tap here to enter the on screen tag for the detector (max 32 characters)
OLIVER IGD
The Sensor Setup Menu
Notes
20