China Professional China Combustible Gas Detection Controller - Gas Alarm Controller AEC2392a – Action manufacturers and suppliers

Professional China Combustible Gas Detection Controller - Gas Alarm Controller AEC2392a – Action

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Professional China Combustible Gas Detection Controller - Gas Alarm Controller AEC2392a – Action Detail:

Technical Specifications

Item	Data
Power supply card	AC176V~AC264V (50Hz±1%)
Standard configuration (8 circuits)	one master control card, one power supply card, eight channel cards and one 19’’ standard 3U rack
Boundary dimension of the standard rack	length × width × height 450mm×300mm×132.5mm (excluding handrail); 482mm×344mm×132.5mm (including handrail)

Item	Master control card	Channel card
Operating voltage	DC24V±6V
Power consumption	3W	0.5W/ Channel card
Environmental condition for operating	Temperature-10℃~+50℃; relative humidity≤93%RH; atmospheric pressure 86kPa~106kPa
Input signals	Connect to (4~20)mA standard current signals or passive switching value signals via a channel card		(4~20)mA standard current signals or passive switching value signals
Signal transmission distance	1500m (1.5mm²)
Types of gas detected	%LEL/%VOL/ppm
Operating mode	Working with channel cards	Connected to the master control card or working independently
Capacity	Connecting eight channel cards (expandable to 34 points)	One channel card connects one circuit of input
Adaptive equipment	Gas detectors: GT-AEC2232bX, GQ-AEC2232bX, GT-AEC2232aT, AEC2338, GQ-AEC2232bX –P, AEC2338-DFan linkage box: JB-ZX-AEC2252FSolenoid valve linkage box: JB-ZX-AEC2252BFlame detectors, smoke/heat detectors and manual alarm buttons, etc.
Output signals	1. RS485 bus communication signal (standard MODBUS protocol);2. Signals of 2 sets of relays (failure and alarm); contact capacity: AC220V/5A or DC24V/5A	One channel card can output:1. One set of (4~20)mA current signal;2. Signals of 3 sets of relays (high alarm, low alarm and failure); contact capacity: AC220V/5A or DC24V/5A
Alarm setting	Low alarm and high alarm	low alarm and high alarm
Alarming mode	Audible-visual alarm	Visual alarm
Display mode	LCD Chinese display	LED digital display
Mounting mode	Standard 19” cabinet panel mounting
Optional	Standby power supply DC12V/7Ah×2 lead-acid battery (external case)
Blind plate	length × width: 129.5mm×35.2mm

Major Features

● The 19” cabinet standard 3U panel-mounted all-metal structure can prevent EMI/RFI interference. Due to an independent plug-in card design, optional channel cards, master control cards and power supply cards can be used as required to set up a gas monitoring system with up to 1,000 point locations;

● The master control card is characterized by LCD Chinese display and character menu operation. It can monitor the system’s concentration, alarm and failure statuses. It can also be used to set and search various parameters. It can set system time, range (%LEL, ppm and %VOL), three alarm types, alarm concentration, password, and operating authorization and search up to 999 alarm and failure records and 100 startup/shutdown records;

● The master control card’s RS485 bus communication interface, equipped with a standard MODBUS protocol, can communicate with the host control systems and connect fire and gas systems to improve the system integration level;

● 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 buttons, etc.;

● With a LED display accuracy of 0.000-9999, channel cards can monitor external equipment’s concentration, alarm and failure statuses on a real-time basis and communicate with the master control card. Channel cards can also work independently and be used to set parameters of detectors. Thus, failure of the master control card or failure of other channel cards will not have an impact on channel cards’ gas monitoring;

● Channel cards’ multiple output types are applicable to linkage of various on-site external control devices, good for integration of the host control system;

● Power supply cards supply DC24V power supply to internal devices of the host computer and on-site devices (in case of higher capacity, use special-purpose firefighting power supply).

Structure

1. 19” standard 3U rack　
2. 4×φ7.5 mounting hole
3. Handle
4. Channel card 　
5. Channel card LED window
6. Screw
7. Lock switch of the standby power supply
8. Lock switch of the main power supply
9. Power supply card
10. Master control card
11. Master control card LCD panel