Oliver IGD Tocsin 102 Manual

TOCSIN 102 SERIES GAS DETECTORS
TOCSIN 102 4-20mA 2 Wire Gas Transmitter.
Black -Ve (0V DC)
Blue Signal 4-20mA Current Source
Yellow RS232 Rx
White RS232 Tx
Red +Ve (24V DC)
DO NOT OPEN WHEN AN
EXPLOSIVE ATMOSPHERE
MAY BE PRESENT.
OLIVER IGD Ltd
-20 C < Ta < +40 C
Ex d IIC T6 Gb
IP66
Ex tb IIIC T6 Db II 2 GD
-20 C < Ta < +55 C
Ex d IIC T5 Gb
IP66 0518
Ex tb IIIC T5 Db
Sira 02ATEX1271X Rating 2W
Serial Number T102-xxxxx-2002

Explanation of Markings

Flameproof Housing Concept

Maximum Rating Of
EEx d IIC T6 Gb
Internal Circuitry
Rating 4W Max

Certificate Number

Sira 02ATEX1271X
Conductive Dusts
IIIC
Suitable For Use In
II 2 GD
Zone 1 & 2 Areas
In Potentially Explosive
Atmospheres Due To Gases, Vapours
Mists or Dusts.
Observe Marked Warnings
Manufacturer
EEX d Hazardous area
ratings. Note change of rating
with change in ambient
temperature range.
EU 'CE' Marking and
ATEX Lab Number
Environmental Rating
Test Body Report Number & Power
Device Serial Number

Main Body Material of Construction

316 Stainless Steel.

Gas Group

Maximum Housing Temperature Taking
Into Account Maximum Ambient Temperature

Equipment Protection Level

Ingress Protection Rating

IP66
6-Complete Protection From
Live Components Inside
Housing, Dust Ingress

Protection

6-Protection Against
Conditions On Ships Decks
2 WIRE 4-20mA VERSIONS
Fitting, Service and Maintenence
T102 Sensor
Use Lock
DO NOT OPEN WHEN AN
EXPLOSIVE ATMOSPHERE
Nut Supplied
MAY BE PRESENT.
OLIVER IGD Ltd
-20 C < Ta < +40 C
Fit Fibre
Ex d IIC T6 Gb
Ex tb IIIC T6 Db IP66
II 2 GD
Washer
-20 C < Ta < +55 C
Ex d IIC T5 Gb
Do not overtighten
IP66 0518
Ex tb IIIC T5 Db
the 102 into the
Sira 02ATEX1271X Rating 2W
Serial Number T102-xxxxx-2002
junction box
housing.

Mounting Thread

M20 x 1.5
R (Ohms)
There are no user serviceable components inside the Tocsin 102.
Do not connect to portable equipment
Under no circumstances should the housing be opened in a potentially hazardous
atmosphere.
Calibration should be undertaken at a minimum of six monthly intervals.
Refer to Configurator manual for more advanced options, available from Oliver IGD
Limited.
Typical Control Card
Connections
PC
Enclosure
Check Supply Voltage And Load
Earth
Resistance With Card Manufacturers
Instructions.
Note
The Tocsin 102 Must Be Earthed, If necessary fit
a brass earthing tab washer between the locknut
and housing to bond to. Ensure the junction box,
cable and glands carry appropriate certification
for the area in which they are fitted. Cable
screens should be earthed at the control panel
and the bond checked to be <0.5 Ohms.
800
200
18 28
18-28V DC
Sense
250 Ohms
Allowable
Operating
Region
DC
SUPPLY
VOLTS