Crowcon Vortex Gas Controller Crowcon

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13 OKTOBER 2025

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UNITED STATES

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Crowcon Vortex Gas Controller Crowcon

The Crowcon Vortex Rack & Panel comprises just the essential input, output and controller modules mounted on a DIN rail. An optional display module is available in panel-mounting and 19″ Rack formats. This configuration is ideal for incorporation into a variety of specialist enclosures, such as 19″ format or those with high ingress protection. Other standard features include RS-485 Modbus communications for remote non-intrusive calibration and configuration.

Installation and maintenance

Modbus compatability – no extensive cabling required; cable connections within the unit are easy
Space within units for access to cable terminals
Uses industry standard communication links – simple to integrate into existing control systems
Any adjustments are performed electronically – minimal maintenance and no drift from adjustable potentiometers
Separate zones can be individually inhibited – you can work on specific areas without affecting the rest of the system
Modular construction – replacement parts if required, which plug straight in

Compliance and reliability

Validated to IEC 61508 (SIL 1) – demonstrates system dependability
System monitors relays continuously – coil faults are identified immediately without input from you
Internal battery pack* – power outs are not a problem. Internal battery pack continuously monitored for change levels and connection. System is operational at all times

Vortex	Vortex Rack/Panel
Size	470 x 306 x 170mm (18.5 x 12 x 6.5 ins)	Rack display: standard 19” 3U Panel display: 441 x 128mm (cut-out 366 x 84.5mm) Modules, PSU and batteries are supplied separately for fitting within a cabinet.
Weight	12Kg (27lbs)	Dependant on configuration
Enclosure material	Back-box: Aluminium Front cover: ABS	Not applicable
Ingress protection	IP66	Cabinet dependent
Channels	Up to 12 (1 to 3 4-way input modules)
Operating temperature	-10°C to +40°C (14°F to +140°F)
Humidity	0-95% RH non-condensing
Inputs	Gas 2 or 3 wire 4-20mA (sink or source), 0-5V
	Fire – smoke & heat detectors, manual call-points Up to 3 loops, Up to 20 devices per loop
Outputs	External audible/visual alarm drive Via relays, four 24Vdc 0.5A supplies provided.
Relays	Type Up to 24 SPCO, contacts rated 6A @ 250Vac (1 to 3 8-way relay modules)	Up to 32 SPCO with bus extension module
	Assignment – Common Mains fail, battery low and fail
	Assignment – Voting Alarms, faults and system events
	Relay modes Energised/de-energised, latched/non-latched, time-delayed, pulsed
Digital communications	DCS/PLC/PC: RS-485 Modbus or Profibus Local configuration link: RS-232 (configuration software and lead supplied)
Event logging	Up to 300 alarm, power, fault, system events are stored in Non-Volatile Memory
Panel indication	Channel number: 2-digit 7-segment Green LED Gas reading: 4-digit 7-segment Red LED Measurement units: % LEL, ppm, % Vol, Fire Power: Green LED Battery OK: Green LED Run/hold indication: Green LED Channel test mode: Flashing Amber LED System fault – integrity watchdog: Amber LED
Alarm indication	Audible – internal sounder: Piezo Visual – Alarm: Level 1 & 2, Red LED; Fault – Per channel, Amber LED; Inhibit – Per zone, Amber LED
Power	AC mains: 110/120V & 220/240Vac (switchable) 50-60hz 3.2A max DC: 20-30Vdc Battery back-ip: 2Ah internal
Approvals	Low voltage directive: EN61010-1 EMC: Directive 2014/30/EU: EN50270, FCC: CRF47 Part 15, ICES-003 ATEX: Ex II 2G D Zone 1, Zone 2, IECEx optional
Functional safety	Validated to IEC61508 (SIL1)