Fantini Cosmi P81 Manual

Fantini Cosmi Gasdetektor P81

Læs gratis den danske manual til Fantini Cosmi P81 (4 sider) i kategorien Gasdetektor. Denne vejledning er vurderet som hjælpsom af 49 personer og har en gennemsnitlig bedømmelse på 4.1 stjerner ud af 25 anmeldelser. Har du et spørgsmål om Fantini Cosmi P81, eller vil du spørge andre brugere om produktet?

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Side 1/4

P81

Electronic control unit for gas leak detection

with 1 detection zone

Electronic control unit for gas leak detection in industrial environment, suitable for controlling and signaling dan-

gerous gas concentration in the air, specifically for detecting methane gas, LPG and carbon monoxide.

ELECTRICAL CHARACTERISTICS

Power supply: 12 Vac/dc ± 10%.

Absorption:

approximately 160mA (320mA) with a single probe;

460mA (620mA) with faulty probe and output.

Connection with 2 terminals of 2.5 mm².

Protection: input - fuse power supply 1A 5x20mm.

1 input for sensors S81, S82, S83, or probes ATEX S84, S85, S86 (different gas types).

Connection to the probe with 3 terminals of 2.5 mm²: C (-12...24V); S (+4…20mA); A (+12...24V).

Maximum connection length 50 m.

Section of 3 conductors: 1.5 mm².

Alarm output: n.1 relay with 1 SPDT contact 8A 250Vac.

Failure output: n.1 open collector 12Vdc / 300mA max.

Outputs connections:

n.3 terminals of 2.5 mm² for relay C-NC-NO;

n.2 terminals of 2.5 mm² for open collector.

Dimensions (mm)

Power

supply

Contacts

rating

Connected

sensors

Operating ambient

temperature

Protection

degree

P81 12 Vac or 12/14 Vdc 5A - 250V 1 - 10 ÷ 50 °C IP40

105

33 25

STANDARDS AND APPROVALS

Complies with the standards EN 61779-1-4; CEI 216-5/1Directives/Norms EMC EMC 89/336/CEE, Norm EN 50270

INSTALLATION

Rear panel mounting on Omega DIN EN 50022 rail.

It can be installed on the bottom panel or DIN modular panels.

To ensure the proper protection degree of the device is necessary to install the unit in an electric box created according to current

regulations for the workplace and within which can also be housed the power supply system.

OPERATION

P81 control unit allows you to connect a probe model S81-82-83 or ATEX S84, S85, S86 probes for the construction of gas detection

systems in environments such as boiler rooms, garages, warehouses, workshops, etc., with the possibility to control a solenoid valve

or an auxiliary device (siren, flashing light, extractor, etc..) through inside alarm relay.

The control unit must be powered at 12 Vac/dc.

The functioning logic, selected by means of jumper E1, can be either positive or negative. The device reports its operation status

through the LED.

According to the selected logic through the jumper E1, in normal situation (no alarm), the led, the failure signaling output and the

relay, are:

positive logic: led switched on, relay energized, failure signaling output = ON;

negative logic: led switched off, relay not energized, failure signaling output = OFF.

In case was selected the negative operation logic, the alarm relay can be controlled continuously or pulsed, depending on Jumper E2

position:

Once it was received the proper power supply, the control unit performs in sequence the following steps:

TESTING THE LED AND THE BUZZER (APPROXIMATELY 5 SECONDS)

Whatever the selected logic, the LEDs are starting to light in sequence and the buzzer emits a short beep.

PROBE PREHEATING (APPROXIMATELY 1 MINUTE)

During this phase, which allows the probe to reach the correct operation temperature, the detection system is not functioning.

FUNCTIONAL TEST (ABOUT 3 MINUTES)

Once the probe preheating phase has finished, the device enters under functional test phase. During this phase all internal timings

are resetted in order to facilitate probe operation verification (alarm simulation).

During normal operation of the control

unit is activated the gas alarm monitoring,

as well the self-diagnoses for installation

failures (probes) and of the system (control

units). In this phase and in the absence of

the alarm and the anomaly, the control unit

is presented as shown in the table on the

right.

INTERFACE POSITIVE LOGIC NEGATIVE LOGIC

Power supply led Green Switched ON Switched ON

Failure led Yellow Switched ON Switched OFF

Gas alarm led Red Switched ON Switched OFF

Alarm buzzer No sound No sound

Alarm relay Energized Not energized

Failure output ON OFF

Position A

positive logic

Position B

negative logic

Position A

alarm relay

continuous

control

Position B

alarm relay

pulse control

Produkt Specifikationer

Mærke:	Fantini Cosmi
Kategori:	Gasdetektor
Model:	P81

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