GASDNA CO.,LTD

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PRODUCT > GMS-2500-LB

GMS-2500-LB

Introduction: GMS-2500-LB is multi-channel gas alarming unit to monitor gas leakages from more than one gas detectors simultaneously. GMS-2500 is composed of one alarming unit & more than one receiving units. While each receiving units in GMS-2500 receive density signals from external gas detectors, when the density becomes higher than alarm value, receiving units automatically give signal to alarming unit to sound alarm.; GMS-2500-LB transmits the relay output and standard current output signal 4-20㎃ to various controllers such as PLC, DDC, recorders, and computers for composition of integrated gas monitoring system.

Features: - Centralized gas monitoring is available by connection with more than one gas detectors.; - Receiving 4-20㎃ analogue continuous signals from more than one gas detectors simultaneously and displaying the digital signals accurately by built-in high resolution A/D converter.; - User programming alarm range, alarm delay time, and so on, by built-in micro processor.); - Bar graph displays the alarming density for maximum visual effect.; - Built-in high resolution D/A converter for accurate transmission of 4-20㎃ standard current output signal to external controllers (PLC/DDC).; - High/low relay output for interlocking with external devices such as fan.; - Robust aluminum alloy casing & frame.

Specification
Division	Alarming unit (Power unit)	Receiving unit
Product structure	DIN TYPE	DIN TYPE
Control structure	Alarm:Indicator = 1:1~64	Indicator: Sensor = 1:1
Expansion structure	Slide Card Type
Input power	AC 230V/60Hz
Output power	DC 24V(250mA)
Input signal	4-20mA DC/F.S
Output signal	4-20mA DC/F.S, RS-485(Option)
Density indicating	F.N.D Display %LEL(Combustibility), %(oxygen), PPM(toxicity)
Power indicating	AC 230V/60Hz – POWER LED(GREEN)
Alarm indicating	Alarm LED (Red) Alarm LED flickering	Low Alarm - AL1 LED (Yellow) High Alarm – AL2 LED (Yellow) Trouble Alarm - Fault LED (Red)
Alarm method	Seeing – Alarm LED On/Off	Seeing – Alarm LED On/Off
Alarm method	Buzzer sound (More than 90 ㏈)
Alarm density	HIGH/LOW 2 step Alarm density –set by user
Alarm delay time		0~99seconds, setting by user
Alarm lifting	Manual and automatic returning
Alarm output	SPDT RELAY output for HIGH/LOW 2 steps SPDT RELAY output for FALULT alarm
Operating temp./humidity	-20℃ ~ 50℃, 5~95%RH (Non-Condensing)
Exterior structure.	19”(3U) Unit - Aluminum, 시스템 외함 - Metal Case
Output Option	RS-485