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547-202A
The Siemens 547-202A is a specialized room pressure monitor designed to effectively gauge variations in room pressure. It operates on a communication protocol of BACnet MS/TP, functioning well within a voltage rating of 18 to 32 Vac.
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Technical specifications for 547-202A
| Manufacturer | Siemens |
|---|---|
| Product Type | Room Pressure Monitor |
| Product Line | 547 Room Pressure Monitors |
| Part Number | 547-202A |
| Communication Protocol | BACnet MS/TP |
| Voltage Rating | 18-32 Vac (excitation) |
| Input Voltage Frequency | 50/60 Hz |
| Operating Temperature Range | 0 to 50 °C |
| Storage Temperature Range | -30 to 70 °C |
| Humidity Range | 5-95% RH (Non-Condensing) |
| Enclosure Rating | NEMA 1, IP20 |
| Current Rating | Alarm relay: SPDT, 1 Amp at 24 Vdc |
| Pressure Range | ±0.1 in WC (25 Pa) |
| Accuracy | ±0.5% FS |
| Output Signal (Voltage) | 0-5 Volts DC or 0-10 Volts DC |
| Output Signal (Current) | 4-20 mA |
| Power Consumption | 5 W |
The Siemens part number 547-202A is engineered as a room pressure monitor. This device effectively measures and tracks pressure levels in various environments. It functions using BACnet MS/TP for communication, providing seamless integration into existing systems. The monitor is rated for input voltage between 18 to 32 Vac, accommodating standard excitation requirements. Operationally, it can handle a frequency of 50/60 Hz, ensuring it adapts efficiently to different power setups.
Regarding environmental resilience, the unit operates well in a temperature range of 0 to 50 °C and can be stored safely between -30 to 70 °C, making it versatile for various settings. Its humidity tolerance spans from 5 to 95% RH (non-condensing), ensuring functionality even in damp conditions, while its construction adheres to NEMA 1, IP20 enclosure standards for dust and moisture protection.
In terms of specifications, the monitor provides alarm functionality with an SPDT relay rated at 1 Amp for 24 Vdc. The device's pressure measurement capabilities can accurately gauge levels within ±0.1 in WC (25 Pa). The accuracy of this pressure monitor stands at ±0.5% FS, ensuring reliable readings.
Output signal options include either a voltage range of 0-5 Volts DC or 0-10 Volts DC, in addition to current options of 4-20 mA. Power consumption for this device is set at 5 W, reflecting its efficient design. Overall, the 547-202A is a robust instrument for reliably monitoring room pressure changes.
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