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The Rotation Speed Monitor is a versatile 1-channel signal conditioner designed for universal applications across various power supplies. It supports both dry contact and NAMUR inputs, functioning effectively within an input frequency range of 1 mHz to 12 kHz.
The Rotation Speed Monitor is part of a specialized family of devices that enhance operational safety and reliability in industrial environments. These instruments are primarily used for monitoring rotational speeds in machinery, ensuring that systems operate within defined safety limits. With the capability to handle input frequencies from 1 mHz to 12 kHz, they are suitable for a wide range of applications in process automation and machinery diagnostics.
Equipped with dual relay contact outputs, the monitor provides essential feedback for control systems, enabling timely interventions during abnormal speed conditions. The integration of a start-up override feature and line fault detection (LFD) enhances the reliability of operations, making it an ideal choice for industries that adhere to strict safety standards. Furthermore, the device meets SIL 2 requirements according to IEC 61508/IEC 61511, ensuring compliance in safety-critical applications.
| Connection side | field side |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Configuration | via operating buttons |
| Signal type | Digital Input |
| Connection | output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 |
| Connection side | control side |
| Output I, II | signal, relay |
| Display elements | LEDs , display |
| Input II | startup override: 1 … 1000 s, adjustable in steps of 1 s |
| Connection | screw terminals |
| Degree of protection | IP20 |
| Connection | terminals 23, 24 |
| Rated current | approx. 100 mA |
| Electromagnetic compatibility | NE 21:2006 |
| Rated voltage | 20 … 90 V DC / 48 … 253 V AC 50 … 60 Hz |
| Input I | 2- or 3-wire sensor, sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact |
| Power dissipation/power consumption | 1.8 W ; 2 VA / 1.8 W ; 2 VA |
| Safety Integrity Level (SIL) | SIL 2 |
| Connection | Input I: 2-wire sensor: terminals 1+, 3- three wire sensor: terminals 1+, 2- and 3 input II: terminals 13+, 14- start-up override; |
| Labeling | space for labeling at the front |
| Degree of protection | IEC 60529:2001 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Dimensions | 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) , housing type C3 |
| Mass | 300 g |
| Control elements | Control panel |
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