Oliver IGD TOCSIN 102 SERIES User manual

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Fax:
Email:
Web Site:
[phone]
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www.internationalgasdetectors.com
I G D
O L I V E R
Triton House
Crosby St
SK2 6TS
England
Oliver IGD Limited
Ref T102P-VERSION 6.00
TOCSIN 102, 103
&
TOC-30 SERIES
PELLISTOR
OPERATION MANUAL
REFERS TO MODELS 5131401ATEX, 5137001, TOC-30A-PHC and TOC-31A-PHC

Page 2 of 9
The Tocsin 102 and 103 series Pellistors are flammable gas detectors based on well proven catalytic
principles. The units can be used either as conventional 3 wire 4-20mA transmitters or as 4 wire
addressable modules capable of integration onto an IGD data highway. Either option allows integration with
Tocsin 625, 700 and 920 series control panels.
Pellistors are capable of detecting all flammable gases but are usually made sensitive to the particular
target gas during calibration. It is therefore important that detectors are correctly installed and calibrated for
correct operation.
Siting of the detector should also be carefully considered to take into account air flows, site geometry and
the characteristics of the target gas. This instruction manual is intended fo ruse by competent persons who
can either demonstrate previous experience and training with gas detection systems or have completed
training courses at Oliver IGD Limited. Performance of the system will be a function of how well the system
is installed and calibrated.
Oliver IGD Limited can help advise on the correct siting and calibration of gas detectors.
Mounting And Cable Information
145.0
126.0 128.5
COVER SECURING SCREW
M20 x 1.5
40.0
25.0
Ø7.0
EXTERNAL EARTH
MKIII FLAMMABLE
GAS DETECTOR
SHOWN
40.0
Ø110
128.0
OLIVER IGD
TOCSIN 102
A N A L O G U E O R A D D R E S S A B L E P E L L I S T O R F L A M M A B L E G A S D E T E C T O R
ATEX CERTIFIED MODELS
L
E
B
A
A
T
M
M
O
M
S
A
P
L
F
H
E
A
R
F
E
O
E
C
N
E
S
E
R
P
E
H
T
N
I
N
E
P
O
T
O
N
O
D
G
N
I
N
R
A
W
Serial
Gas
Date Model
OLIVER IGD
xxxx
Oliver IGD Ltd Stockport England
Tel: [phone]
Web: internationalgasdetectors.com
JB3
II 2 D G
IECExEXV160002X
ExVeritas 16ATEX0140X
Ex tb III Db, M20 Entries
Ex db IIC T6
The following information is provided to enable safe
installation and operation of the Tocsin 102 Pellistor.
It is vitally important for correct and safe operation that
appropriate cable types and sizes are used and all earth
bonding points observed. It is also important to observe
all instructions for entry terminations. Failure to follow these
instructions may result in a system which may be dangerous
or fail to operate correctly.

CUSTOMER SEALING AND EARTHING RESPONSABILITIES
The Tocsin 102 Pellistor model 5131401ATEX is designed for use in Zone 1 and Zone 2 hazardous areas
and is ATEX certified. To maintain compliance it is imperative the installer of the equipment observes the
following installation guidelines. Failure to do so could compromise the protection concept of the
equipment.
EXTERNAL EARTH TERMINAL
On final assembly the cover screw
must be locked in place.
Use 2mm Allen Key
Parallel glands and blanking
plugs should have O Ring seals
or sealing washers to maintain
IP66 rating use Atex rated glands
and blanking plugs
Taper glands and blanking plugs
should use suitable thread
sealant to maintain IP66 rating,
typical LOCTITE 577 use Atex
rated glands and blanking plugs
Gas detectors are supplied
with sealing washers. These
must be fitted to meet
approval requirements
EXTERNAL EARTH STRANDED CABLE USE 4.0mmSQ CSA SOLID CORE CABLE USE 6.0mmSQ CSA
INTERNAL EARTH STRANDED CABLE USE 1.5mmSQ CSA SOLID CORE CABLE USE 2.5mmSQ CSA
WARNING
Glands and cable must be of a suitable type to match the zone of application of the equipment
OLIVER IGD
Page 3 of 9

OLIVER IGD
16.0
ACCESSORY THREAD
170.0
130.0
65.0
23.0
77.5
40.0
155.0
Ø25.5
Ø20.0
2 OFF Ø20.0
23.0
23.0
NOM 76 Ø25.5
KNOCK OUT
KNOCK OUT
KNOCK OUT
OPPOSITE
FACES
Ø5.5
Ø25.5 (BLANKED)
190.0
Non ATEX versions with MK6 detectors, Mounting Details
The non-ATEX version, 103 series flammable gas detector is typically fitted in areas that do not
require a flameproof gas detector approval. Typical applications would be boiler rooms, school
laboratories, commercial kitchens etc. Cabling should have a suitable level of protection for the
area into which the detector is fitted and be of a screened type such as CY style cable or FP200
style cable. Cable glands should provide a positive seal to limit ingress from dust and moisture.
Page 4 of 9
172
158
44
Physical Size TOC-31A Version
Physical Size TOCSIN 103 Version
Physical Size TOC-31A Version
3 OFF M20 ENTRY HOLES
148.0
88.0
13.0
47.0
18.0
97.6
5.0
5.0
MK6 Detector
76
98 18
20mm Entries Top, Bottom
& Either Side
M22 x 1.5

Common Active Compensator Common Active Compensator Common Active Compensator
EARTH
Tocsin 700 or 900
Addressable I/0
Port
24V DC
B
A
DV
Common Active Compensator
Tocsin 700 Analogue
Input Port
24V DC
EARTH
0V DC
4-20mA
18V DC 32V DC
4-20mA Allowable
Operating Region
Addressable Mode Connection Diagram
PCB Overview
Analogue Mode Connection Diagram
Note cabling must
be screened type
and connected as
indicated. Use
minimum 1.5mmSQ
cable. Cable must
be suitable for area
of operation.
OLIVER IGD
TOCSIN 106P
U N I V E R S A L P E L L I S T O R
D R I V E P C B
A N A L O G U E O R
A D D R E S S A B L E O U T P U T
UP Button DOWN Button
Test Points
Mode LED’s
Fault LED
Pellistor
Connection
Point
Interface Terminals The Oliver IGD universal pellistor
drive PCB is designed to take input
from a standard pellistor and give
either a linear 4-20mA current source
output or digital RS485 addressable
output.
Status LED’s are provided to indicate
mode of operation and correct
operation through the internal fault
detection systems.
Please note that a known calibration
gas will be required to calibrate the
unit.
Page 5 of 9
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
mA+3600V mA-
Set Address
4102
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
mA+
3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
mA+3600V mA-
Set Address
4103
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
PC Terminal
Connector
1K
100
PYW

Initial Power Up
Addressable Operation After Warm Up
Setting Pellistor Head Current
With power applied the
FAULT LED will flash
quickly to indicate the
software version then flash
more slowly(once per
second) during warm up
(60 Seconds). Warm up
can be bypassed by
pressing either button. In
normal operation the
FAULT LED will be off.
After warm up the fault LED
should be off AND ZERO led on.
If valid serial commands are
received by the 103P then the
ZERO LED will flash as
commands are transmitted.
Press and hold the UP button
until the 360 LED is illuminated.
Release the button and the LED
will flash.
180.0
mV
With the LED flashing connect a
multimeter as indicated to read the
pellistor head current. Note the meter
will read half the head drive current.
Use the UP - DOWN buttons to
increase or decrease the set point.
(Fault LED flashes on every button
press.)
For MK3 and MK5 IGD pellistors
set to 180mV.+/- 2mV.
For MK6 and Type B IGD Pellistors
set to 85mV +/-3mV
Note the preset head operating point
will be indicated on the 106 label
Press and hold either button until the
LED goes off to return to normal
operation.
Page 6 of 9
OLIVER IGD
TOCSIN 106P
U N I V E R S A L P E L L I S T O R
D R I V E P C B
A N A L O G U E O R
A D D R E S S A B L E O U T P U T
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO

Setting Zero
Press and hold the UP button
until the ZERO LED is
illuminated. Release the button
and the LED will flash.
40.0
mV
With the LED flashing connect a
multimeter as indicated to read the
zero mA output. Note: T106P
switches an internal resistor between
mA and GND to enable local mA
measurements for addressable and
analogue units.
Use the UP - DOWN buttons to
increase or decrease the set point.
Note that 4mA (zero) is indicated on
the meter as 40.0mV +/- 1mV.
Press and hold either button until the
LED goes off to return to normal
operation.
+
-
Setting Calibration Point
Press and hold the UP button
until the CAL LED is illuminated.
Release the button and the LED
will flash.
120.0
mV
With the LED flashing connect a
multimeter as indicated to read the
CAL mA output.
Use the UP - DOWN buttons to
increase or decrease the set point.
Note that 12mA (mid scale or 50%
LEL) is indicated on the meter as
120.0mV +/-1mV
Press and hold either button until the
LED goes off to return to normal
operation.
+
-
Page 7 of 9
Note: Known calibration gas must be flowed to
the detector head at the correct flow rate during
calibration. If in doubt check with the pellistor
manufacturer.
For IGD Pellistors use 0.5-1L/min
OLIVER IGD
TOCSIN 106P
U N I V E R S A L P E L L I S T O R
D R I V E P C B
A N A L O G U E O R
A D D R E S S A B L E O U T P U T
OPTION 1 4-20mA SYSTEMS
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO

Setting Instantaneous Zero
Press and hold the UP button
until the I ZERO LED is
illuminated. Release the button
and the LED will flash.
OPTION 3 I ZERO (INSTANTANEOUS ZERO)
OLIVER IGD
TOCSIN 106P
U N I V E R S A L P E L L I S T O R
D R I V E P C B
A N A L O G U E O R
A D D R E S S A B L E O U T P U T
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
Setting Instantaneous Cal
Press and hold the UP button
until the I CAL LED is
illuminated. Release the button
and the LED will flash.
OPTION 4 I CAL (INSTANTANEOUS CAL)
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
Ensure zero gas has been flowing passed head for enough time for the reading to stabilise (minimum of 60
seconds). Press and hold either button until LED goes off, then release.
LED's will then flash in turn for 5 seconds during zero. The unit will then automatically return to normal
operation.
Notes:1. The internal zero pot is also adjusted, this is needed if a new pellistor is fitted.
2.The cal needs to be re-checked (due to possible changes in zero pot.)
Ensure cal gas has been flowing passed head for enough time for the reading to stabilise (minimum of 60
seconds). Press and hold either button until LED goes off, then release.
LED's will then flash in turn for 5 seconds during zero. The unit will then automatically return to normal
operation.
Notes: 1. The calibration gas used has to be the same as the last calibration.
2.The internal gain pot is also adjusted, this is needed if a new pellistor is fitted.
3.The zero needs to be re-checked (due to possible changes in gain pot.)
Page 8 of 9
These two options relate to early versions pre 2015

Setting The Unit Address
Press and hold the DOWN button until the
FAULT LED is illuminated. Release the
button and fault LED will flash and the
address currently set will be illuminated on
the bottom three LED’s.
Use the UP and DOWN buttons to alter
the address set as indicated in the table
below.
Press and hold either button until the fault
LED goes off to return to normal operation.
Address Combinations Which
Can Be Set without Using An
IGD Configuration Terminal
It is possible to set other address combinations by connecting the unit to an IGD configuration
terminal. This should only be undertaken by trained technicians and is beyond the scope of
this manual.
OLIVER IGD
TOCSIN 106P
U N I V E R S A L P E L L I S T O R
D R I V E P C B
A N A L O G U E O R
A D D R E S S A B L E O U T P U T
Page 9 of 9
4100
4108
4116
4124
4101
4109
4117
4125
4102
4110
4118
4126
4103
4111
4119
4127
4104
4112
4120
4128
4105
4113
4121
4129
4106
4114
4122
4130
4107
4115
4123
4131
1 2 4 8 16
ZERO
CAL
360mA
mA+3600V mA-
Set Address
4101
DOWN
GND
A
B
+24V
CHASS
W
Y
P
PALM
I CAL
CAL
I ZERO
360mA
mA
T106P V2
FAULT
UP
ZERO
I ZERO
I CAL
ZERO
CAL
360mA
I ZERO
I CAL