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Gas Alarm Controller AEC2393a

Types of Gas Detected:(0~100)%LEL, (0~100)%VOL,(0~9999)ppm
Alarming Mode:Audible alarm and LED visual alarm
Display Screen:OLCD Chinese display
Working Voltage: DC24V±6V
Power Consumption: ≤3W
Weight:About 4.5Kg

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Technical Specifications

Name

Parameter
Types of Gas Detected (0~100)%LEL, (0~100)%VOL,(0~9999)ppm
Standard Configuration(10 Circuits) One master control card, nine channel cards and one 19 " standard 3U rack
Operating Voltage DC24V±6V
Input Signals Connect to (4-20)mA standard current signals or passive switching value signals locally or via a channel card
Output Signals

1.RS485 bus communication signal (standard MODBUS protocol);

2.Signals of 3 sets of relays (relays1, 2, 3);

contact capacity: AC250V/10A or DC30V/10A

Alarming Mode Audible alarm and LED visual alarm
Display Mode OLCD Chinese display
Mounting Mode Standard 19"Cabinet panel mounting
Boundary Dimension of the Standard Rack 19"standard 3U rack (Length x Width x Thickness:483mm x 252mm x 132.5mm)

Major Features

     1.jpg The 19” standard 3U panel-mounted all-metal rack has a slideway plug-in design in each channel; the standard 3U cabinet installation is characterized by easy installation, small volume (73% of AEC2392a) and anti-EMI/RFI interference;

    1.jpgThe master control card and channel cards are set separately but have a function of synchronous display. With a large LCD Chinese display screen, the master control card can realize Chinese menu operation as well as faster and easier display and operation;

    1.jpg Channel cards can work independently under an independent menu. Thus, failure of the master control card or failure of other channel cards will not have an impact on normal channel cards’ gas monitoring;

    1.jpg Channel cards can receive 4-20mA signal or switching value signal input and be connected with various devices, including combustible gas detectors, toxic and hazardous gas detectors, oxygen detectors, flame detectors, smoke/heat detectors and manual alarming buttones, etc.;

    1.jpg Channel cards’ multiple output types are applicable to linkage of on-site external control devices, good for integration of the host control system (e.g. DCS, PLC, etc.);

    1.jpg The master control card integrates the functions of the power supply card and the one-circuit channel card. All channels can be equipped with a HART communication module, showing a strong function; 

    1.jpg Strong output driving capacity; each circuit’s output capacity is up to 8W, to drive the integrated detector of audible and visual alarms and display; 

    1.jpg The master control card integrates the functions of the power supply card of the former 292a and the one-circuit channel card. All channels can be equipped with a HART communication module, showing a strong function;

    1.jpg Channel cards have a three-color backlight LCD, which can indicate normal, failure and alarming status clearly;

    1.jpg With an OLED screen and an aluminum alloy wortle panel, this product looks beautiful and magnificent generally.


Product Architecture

The control panel contains the display interfaces and operating interfaces of the master control card and channel cards, including the display screen, the LED status indicator, the alarm buzzer (installed inside the master control card) and operating keys. The master control card has ten operating keys while a channel card has three ones (see the following diagram)


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