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The Siemens 549-621 controller operates with a suite of features including eight digital inputs and outputs, as well as eight analog inputs and outputs. It is designed to function effectively within a temperature range of 0°C to +49°C while maintaining a humidity level of 0.93. The device also supports HOA functionality and is UL listed for safety.
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| Manufacturer | Siemens |
|---|---|
| Product Type | Controller |
| Product Line | Other |
| Part Number | 549-621 |
| Weight | 5.69 lbs (2.58 kg) |
| Series | Breakers |
| Digital Input | 8 |
| Digital Output | 8 |
| Analog Input | 8 |
| Analog Output | 8 |
| HOA | Yes |
| Ambient Temperature | 0°C to +49°C |
| Humidity | 0.93 |
| UL Listed | Yes |
| Communication Interface | RS-232 |
| Enclosure | NEMA 1 |
| P1 FLN Support | Yes |
The Siemens 549-621 is a controller designed for robust performance in industrial applications. It features eight inputs and outputs for both digital and analog signals, enhancing its versatility. Users can toggle between operational modes with HOA (Hand-Off-Automatic) functionality, allowing for seamless control.
This controller operates optimally within a temperature spectrum of 0°C to +49°C, making it suitable for various environments. It can withstand a humidity level of 0.93, ensuring performance stability. The RS-232 communication interface enables effective device integration and data transmission.
The 549-621 comes equipped with a NEMA 1 enclosure, safeguarding the internal components from environmental factors while keeping a compact design. Additionally, it holds UL listing for compliance with safety standards, assuring reliable operation in diverse settings. Support for P1 FLN adds an extra layer of connectivity options, making it adaptable for various applications.