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Features
- Simple adjustment
- Compact and space-saving design
- Connection of all DURAG GROUP optical flame sensors possible
Benefits
- Time-saving commissioning
- Low space requirement in control cabinet
Applications
- Simple combustion plants with single burners or optically separated burners
- Combustion processes in continuous operation
Technical Data
- Technical data
| Operating mode | Intermittent operation and continuous operation |
|---|---|
| Functional Safety | Self-monitoring and fail-safe, supports safety chains up to SIL 3 |
| Switching threshold | Flame intensity (10 levels) |
| Local display | LEDs |
| Number of flame sensors that can be connected | 1 |
| Flame failure detection time (FFDT) | 1 s |
| Flame ON/OFF contact | 1x NO contact |
| Ready for operation contact | 1x NO contact |
| Switching capacity of relay contacts | Max. 230 VAC, 2 A |
| Analogue output | 0/4 … 20 mA, load max. 200 Ohm |
| Electrical data | 24 VDC, 5 W, PELV |
| Ambient conditions | -20 … +60 °C |
| Degree of protection | IP20 |
| Dimensions | 100 x 75 x 118 mm |
| Weight | Approx. 0.5 kg |
| Installation | DIN rail TS35 |
Accessories
- Optional
| Supply unit 24 V - Wide range power supply unit for supply of several D‑UG 120 |
| D-NG 24/05 |
| D-ZS 087-20 - Digital display for optimal adjustment of the flame sensors by measuring the pulse rate and its extreme values |