Crowcon Gasmonitor Plus Control Panel

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Crowcon Gasmonitor Plus Control Panel

Gasmonitor Plus is Crowcon’s flexible 19″ rack-based control system for gas detection monitors. Monitor up to 16 gas detection monitors or 32 fire zones per rack. Racks can be supplied separately or built into wall mounting or floor-standing enclosures.

A separate gas level display is provided for each gas monitor. The Gasmonitor Plus can be engineered into large systems and tailored to suit individual site requirements.

Simple to use

  • All day-to-day functions are available from the front panel – push buttons for simple operation
  • Unique bar-graph display per channel – provides an instant representation of gas concentrations
  • Common alarm LEDs on the display card – the whole rack status can be checked at a glance

Flexible architecture

  • The system is limitlessly expandable
  • Modular construction – ultimate customisation and minimal wiring
  • Industry-standard analogue outputs – will integrate fully with existing rack-mounted protection systems on-site
  • Optional relay modules – flexible and cuts down on configuration and monitoring cabling

Easy maintenance

  • Each channel is inhibited separately – plant safety is not compromised during checks
  • Routine calibration from the front panel – reduces service overheads by half
  • One universal gas card – reduces spares holding

Each Gasmonitor Plus rack consists of a display module, a card frame that will accept up to sixteen input modules, an input/output module, a data logger and software. Input modules, relay modules and module membrane labels must be ordered separately.

The operating voltage of the rack is 24Vdc. 100/230Vac power supplies and backup batteries must be ordered separately.

Backup batteries are available as an option to ensure the system remains operational if mains power fails. Dedicated 24 V alarm outputs power a maximum of two audible/visual alarms per rack. Additional alarm devices can be activated using relay modules.

Order Information

System

Part Number Description
GMON 19″ Rack-Based Control System

Input Modules

Part Number Description
S01718/3 Universal gas detector input module
S01405/3 Twin zone fire input module

Membrane Switches & Labels

Input module membrane switches and blank channel labels must be ordered separately.

Part Number Description
E01762 Universal input channel module membrane switch (blue/white)
E01763 Fire module membrane switch (blue/white)
E01772 Methane module membrane switch (blue/white)
M05732 Blanking label (blue/white, required for unused channels)

Power Supplies

Part Number Description
E01547 24V 300W power supply (100–260Vac)
E01675 24V 500W power supply (100–260Vac)
2171/1 24V 750W power supply (100–260Vac)

Optional Items

Part Number Description
S01404 Relay output module (eight DPCO relays per module)
M02186 RFI screening plate (2 required if rack not enclosed)
M010006 Motherboard RFI screening cover
S011793 Inhibit module (24Vdc output per channel)

Batteries (Backup)

System requires two batteries connected in series.

Part Number Description
E01006 12V 7Ah battery (lead/acid)
E01011 12V 17Ah battery (lead/acid)
E01007 12V 24Ah battery (lead/acid)
E01315 12V 38Ah battery (lead/acid)
E01316 12V 65Ah battery (lead/acid)

Battery Charger Assembly

Suitable for charging batteries up to 17Ah within rack systems. For larger batteries or multi-rack systems, a separate charger is required. Includes surge suppressor, charger, deep-discharge module, and connections for up to four racks.

Part Number Description
00144A Battery charger assembly
Specification Details
Size 483 x 133 x 294 mm (19.0 x 5.25 x 11.5 ins)
Weight 9.5 kg (21 lbs)
Enclosure Material Aluminium alloy
Mounting Rack mounted (3U format). Optional wall-mounted and floor-standing cabinets available.
Channels 16 per rack
Operating Temperature 0°C to +50°C (32°F to +122°F)
Humidity 0–95% RH, non-condensing
Inputs Gas: 2 or 3 wire 4-20mA (sink or source), or mV bridge
Fire: Smoke & heat detectors, manual call-points
Maximum 32 loops per rack (16 twin-zone fire modules)
Outputs Analogue: 16 x 4-20mA, max. load 960 Ohms or 1-5V, min. load 100 Ohms
External Audible/Visual Alarm Drive: Powered 24V DC, max. load up to 200mA for each alarm level
Relays Up to 84 DPCO contacts rated 5A @ 250V AC, non-inductive load
Relay Assignment Common Alarm 1, Alarm 2, Alarm 3, Fault
Per Channel: Gas Alarms 1, 2 & 3, Fire & Fault
Voting: Up to 16, configurable
Relay Modes Energised / De-energised, Latched / Non-latched, Time-delayed, Pulsed
Digital Communications Compatible with PanelsPro or SetGMon only
Event Logging Built-in datalogger. Data available via communication links with PanelsPro or SetGMon only
Panel Indication Channel Number: 4 lines x 20 characters
Gas Reading: Main LCD plus green LED bar-graph on channel card
Measurement Units: %LEL, ppm, %Vol, Fire
System Fault (Integrity Watchdog): Yellow LED
Alarm Indication 3 Individual Alarms & 3 Common Alarms (Red LEDs)
Individual & Common Fault (Yellow LEDs)
Individual Inhibit (Yellow LED)
Power Supply AC Mains: 100–260V AC, 50/60Hz external
DC: 27.6V
Battery Backup: External
Approvals Low Voltage Directive – EN61010-1
EMC Directive – EN50082-1, EN50081-1, EN50270, EN61000-6-4
ATEX: Conforms to EN60079-25 in configuration with Zener Barrier Baseefa 05Y0090/1

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