ExTox Gasmess-Systeme GmbH
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ExTox - Model ET-2D -Gas Warning Control Unit
Gas detection control unit for measurement of flammable and/or toxic gases as well as oxygen. Smoke detectors as option. Graphic display. Menu guided configuration. 2 Alarm levels per channel. 5 freely configurable relays.
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All control units of the ET-Series could be used in combination with all ExTox Transmitters ExSens(-I) and Sens(-I)
Our control units in combination with the ExTox Transmitters comply with the requirements of EN 60079-29-1, EN 45544-1 to EN 45544-3 and EN 50104 for Gas Detection Systems. Furthermore are those in conformity to the European Directives 2014/34/EU (ATEX), 2014/30/EU (EMV), 2014/35/EU (LVD).
Number of Transmitters:
- 2 Gas Transmitters (4…20 mA)
- Line with up to 2 smoke detectors (Art. 297000)
Indication:
- Illuminated graphic display (Measured values, messages, user menu
- LED-indication for gas transmitters
· Pre- and main alarm (2 x 2 x red)
· Status of measuring channel: operation (2 x green), fault (2 x yellow)
· Status of control unit: operation (1 x green), fault (1 x yellow)
User Interface:
- Menu guided system via display and six push buttons
- Completely configurable at device, no tools needed
- Password protected
- Adjustment of measuring channels at control unit
- Maintenance mode to be activated via menu or digital input
Alarm Evaluation:
- 2 freely adjustable alarm levels per transmitterbr /> · rise above level
· fall below level - Latching of each alarm configurable
Relais, potentialfrei:
- 5 Change-over contacts 230 V / 4 A (total current ET-2D: max. 10 A)
· Freely configurable with alarms and fault messages
· Operation selectable: open circuit or closed-circuit principle
· Horn reset selectable: quit in spite of present message - 2 Change-over contacts 230 V / 4 A (total current ET-2D: max. 10 A)
· Fault of control unit
· Maintenance mode
Inputs:
- 2 Analogue inputs 4…20 mA for Transmitter
- 2 Digital inputs, 24 V DC, potential free (for smoke detectors)
Outputs:
- Extension A: 4…20 mA (not isolated)
- Interface RS232 or RS485/RS422 (configurable)
Electrical Features:
- Power Supply: 230 V AC or 24 V DC
- Power Consumption: max. 30 W
- Operation Temperature: -20 °C to +55 °C, Humidity: non condensing
- Storage Temperature: -25 °C to +60 °C, Humidity: non condensing
- Art.-Nr. 825023 ProfiBus-Modul mit Standardprotokoll
- ProfiNet-Modul mit Standardprotokoll
- ModBus-Modul mit Standardprotokoll
- Fernanzeige 4-Kanal (extern)
- Art.-Nr. 940439 Messung der Umgebungsbedingungen:
· Temperatur
· Relative Feuchte
· Absolutdruck
(kann ins Grundgerät integriert werden)