Modular detection controller: 32 addressable sensors

The control unit BXI32 has been designed and built to meet the current requirements of the Market and in compliance with European Standard for checking gas presence in a versatile and innovative with addressed sensors through an addressed network RS-485 MODBUS

The gas concentration that each sensor detects at rotation is read directly on the display that specifies the origin. When one of the connected sensors exceeds the pre-alarm setpoint, the control unit emits a proportional sound signal, based on the amount of gas detected, and shows on the display the number of the sensor, the amount of gas detected and its origin; the alarm triggered is saved in a memory (Datalogger). Should it be necessary, the data stored can be printed (up to maximum 50 events).

The control unit features two hazard levels:

I LEVEL, pre-alarm. This data is variable. The technician can modify pre-alarm intervention for every sensor according to the type of plant to be controlled. The level can be selected from 3% to 16% of L.E.L. or from 45 to 240 ppm.

II LEVEL, general alarm. It is set to 20 % of L.E.L. or 300ppm

The control unit is equipped with 1 general alarm relay with/without Positive Safety to enable further independent control of two solenoid valves.. Up to 2 relay expansion cards CARD-RLS4 can be inserted if necessary.

Primary power supply Version BXI32: 15 VDC
Secondary battery power supply Max 2.2 Ah: 12.7 VDC
Battery charger Max 2.2 Ah: Controlled
Absorption: 3 W in alarm
ADDRESSED probes: Max 32
Catalytic, Electrochemical, Semiconductor, Pellistore
Communication protocol: ModBuss RTU
Pre-alarm threshold Variable: for each probe from 3 to 18% LIE
Explosive alarm threshold: 20% of the LIE and 300ppm
Display: 4 lines 20 cln
Positive Security: Selectable
Pre alarm output relay: ON-OFF
Alarm output relay: In exchange
Failure relay: ON-OFF
External siren silencing, and Buzzer: Via software
Manual alarm signaling: Incorporated
Working temperature: -10 ° C ÷ + 60 ° C
Installation: in Omega bar
Dimensions BXI32: 158x90x58 9mod
Package Dimensions: 197x122x67
Weight: approx. 400 grams
Protection degree: IP20

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