Danfoss DST P92S Pressure Transmitter for SIL-2 Applications
The DST P92S OEM pressure transmitter is designed for use in Mobile and Industrial hydraulic applications. The transmitter is suitable for use in a functional safety environment with a requirement of PLd, EN ISO 13849-1: 2015 or AgPLd EN ISO 25119: 2010 or SIL2, IEC 61508:2010, respectively. Further Danfoss holds a third party approval from TÜV to ensure easy implementation into any safety system.
| Accuracy (incl. non linearity, hysteresis and repeatability) | < 0.5% FS |
| Overall accuracy under reference conditions | +/- 1% FS [0 – 85 °c] +/- 1,5% FS [-25 – 0 °c] +/- 2,5% FS [-40 – -25 °c] |
| Long-run stability | <0,2% FS p.a. |
| Response time liquids (10 – 90%) | 2 ms |
Overload and burst pressure
| Standard pressure [bar] | 40 | 60 | 100 | 160 | 250 | 400 | 600 |
| Overload pressure [bar] | 80 | 120 | 200 | 320 | 500 | 800 | 1200 |
| Burst pressure [bar] | 400 | 600 | 1000 | 1600 | 2500 | 4000 | >4000 |
Environmental conditions
| Media temperature range | – 40 – 125 °C | |
| Operating temperature range | -40 – 85 °C | |
| Storage temperature range | -40 – 100 °C | |
| Voltage supply | 9 – 32 V DC, alloable ripple @50Hz: 10% (for current output) | |
| 5V ±10% (for ratiometric voltage output) | ||
| Electrical Protection | Short circuit protected, signal on GND/VCC and reverse polarity protection | |
| Electric Magnetic Compatibility Directive [EMC] | 2014/30/EU | |
| EMC | DIN EN 61326-1 | |
| DIN EN 61326-2-3 | ||
| DIN EN 61326-3-1 | ||
| E1 type approval: All vehicle types with a 12 V or 24 V – electrical wiring and battery (-) at the body | ||
| Vibration stability | 20 g | EN60068-2-6 |
| Shock mechanical | 500 g | EN60068-2-27 |
| Enclosure | 1.4301/ PBT-GF30 | |
| Material with medium contact | 1.4548/Viton | |
| Weight | 50 g | |
| Enclosure | IP67 | |
Functional safety
| Machinery Directive [MD] | 2006/42/EC | |
| IEC 61508:2010 | SIL 2 | Safety related subsystem, type B |
| 1oo1 architecture | SFF 95.8% 4-20mA / 93,1% | |
| ratiometric (incl. control unit) | ||
| HFT 0 | PFH 6.1*10-9 (4-20 mA) / 4.9*10-9 | |
| (ratiometric) | ||
| EN ISO 13849-1:2015 | PL d | CCF 70 points |
| Category 2 | MTTFd high >100 years | |
| DC medium (incl. control unit) | ||
| Safety function | Safety conversion of the measured pressure into two proportional opposing current signals. Refer also to the Safety guide. | |
Download Datasheet : Danfoss DST P92S Pressure Transmitter for SIL-2 Applications
Reference : danfoss.com
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