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. 3 Alarm levels per channel. 12 freely configurable relays. Analog outputs 4…20 mA (only ET-4DA2).

Features

• 1 to 4 (4-20 mA)

• Microcontroller with A/D-Converter

• Illuminated graphic display (160 x 80) for indication of measured values, messages and alarms
• 12 (3 x 4) red LEDs for alarm indication
• LEDs for indication of channel fault (4 x yellow), channel operation (4 x green), operation (1 x green), device fault (1 x yellow)

• Menu guided system via graphic display and keys
• Completely configurable at device, no tools needed 
• 3 password protected servicing levels

• 3 freely adjustable alarm levels per channel
• Monitoring: over-scale, under-scale or min/max
• Latching of each alarm configurable

• 12 change-over contacts 230 V / 5 A (total power consumption: max. 10 A), freely configurable with Alarm 1 to 3 and transmitter fault
• 2 change-over contacts 230 V / 5 A for maintenance mode and device fault

• Adjustment of zero point and sensitivity of measuring channels
• RS 232/RS 485-Interface for communication with external periphery (PC or PLT-System)
• Key switch function (maintenance mode)
• Horn reset
• Alarm reactivation
• 4 Digital inputs, potential free
• 4 Analog outputs 4-20 mA/0-10 V, potential free (only ET-4DA2)

• -10 °C to +40 °C, Humidity: non condensing

• -25 °C to +60 °C, Humidity: non condensing

Types

• 230VAC or 24VDC
• Wall mounted housing
• DIN rail
• Control panel
• 19” Rack