Fantini Cosmi S84 Manual

Fantini Cosmi Gasdetektor S84

Læs gratis den danske manual til Fantini Cosmi S84 (4 sider) i kategorien Gasdetektor. Denne vejledning er vurderet som hjælpsom af 15 personer og har en gennemsnitlig bedømmelse på 4.8 stjerner ud af 8 anmeldelser. Har du et spørgsmål om Fantini Cosmi S84, eller vil du spørge andre brugere om produktet?

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Side 1/4

100

2 fori

45°

164

S84 - S85 - S86

Gas detection probes certified with ATEX, 4- 20mA,

for control units P81 and P82

Combustible gas detection probes, certified with ATEX II 2G Ex d IIC T6, to be used with the electronic control units

P81 and P82. The probes are available in 3 versions: S84 for methane gas and city gas, S85 for LPG and S86 for

carbon monoxide.

ELECTRICAL CHARACTERISTICS

Power supply: 11 ÷ 28Vdc.

Absorption: maximum 3.2W.

Output logic 4…20mA:

proportional logic 4mA = 0% LEL; 0 ppm

(default) 20mA = 100% LEL; 500 ppm

absorption logic 0mA = no alarm

(applications with 1 10mA = 1

threshold alarm

or 2 thresholds) 20mA = 2

threshold alarm

reference selection

of the signal 4…20mA to 1/2 of jumpers with reference to power supply negative or positive signs

4…20mA output load resistance up to 200 at 12Vdc power supply and up to 200 ¸ 700 at 24Vdc power supplyΩ Ω Ω

Dimensions (mm)

2 orices

Ø 8

Gas type Operating ambient

temperature

Protection

degree

S84 Methane gas, or other light gases - 10 ÷ 50 °C IP65

S85 LPG gas (cylinder liquid gas) or other heavy gases - 10 ÷ 50 °C IP65

S86 CO carbon monoxide - 10 ÷ 50 °C IP65

STANDARDS AND APPROVALS

Complies with the directives/norms EMC 89/336/CEE, norm EN 50270.

Certified with ATEX II 2G Ex d IIC T6.

INSTALLATION

Sensor installation must be done in accordance with EN 60079-14 standard. As cable entry use the cable gland nipple of 1“ NPT

certified with ATEX and complies with the standards EN 60079-0 and EN 60079-1 (Ex d protection type).

The sensor must be connected to earth through the appropriate system (provided).

The installation depends of the gas type that must be detected:

approximately 20 ÷ 40 cm from the floor for gases heavier than air (LPG or gasoline fumes);

approximately 20 ÷ 40 cm from ceiling for gases lighter than air (METHANE)

approximately 1,5 ÷ 2 m above the floor for gases with the density similar to air (CO).

The basic sensor is set to have as reference

signal (4 ... 20mA) the negative sign of

power supply; to change this setting move

the set of three jumpers in the position JP2

as shown in the figure:

To realize the operation logic setting of the signal 4…20mA, act on the

dip-switch selector in the position S1, in particular:

ATTENTION: if the basic settings are changed the indications on the terminal

board TB1 will be reversed.

TERMINAL BOARD AND ELECTRICAL WIRING

REFERENCE SIGNAL SELECTION 4…20mA

LOGIC OPERATING SETTING OF THE SIGNAL 4 …. 20MA

INTERVENTION THRESHOLDS SETTING

To realize the intervention thresholds setting of the optional relay board, or 4…20mA output threshold operation, act on the first four

selectors of the dip-switch, in the position S1; in particular the thresholds, expressed in percentage of the bottom scale, will be:















































morsettiera TB1

12...24 cVd

4...20mA

scheda sensore

dip-switch S1

connettore CN4 per terminale

slitta di ancoraggio

Rif. al - (default) Rif. al +

1 2 3 4 5 6 7 8

10 - 20 - 40%

(DEF

AULT)

3 - 5 - 10%

10, 25, 35% 15, 25, 40% 15, 30, 45% 25, 35, 50% 20, 40, 60%

20, 40, 80% -----------------F ------------------

5 - 10 - 15% 10 - 15 - 25% 10 - 15 - 30%5 - 10 - 20%

Signal polarity - (default) Signal polarity +

Terminal board TB1

Jumpers pair JP2

Dip-switch S1

CN4 connector for operation

and maintenance terminal

Mounting support

for relay board

Relay board (optional)

code 1590080

Sensor board

Future developments

Produkt Specifikationer

Mærke:	Fantini Cosmi
Kategori:	Gasdetektor
Model:	S84

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