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The Rotation Speed Monitor is a 1-channel isolated barrier designed for monitoring rotating machinery with precision. It supports both dry contact and NAMUR inputs and operates within a frequency range of 1 mHz to 5 kHz, ensuring reliable performance in various industrial applications.
The Rotation Speed Monitor is an integral component in the field of intrinsic safety barriers, primarily utilized in hazardous areas where explosion protection is critical. This product family is designed to provide safe and reliable monitoring of rotation speed in applications such as pumps, fans, and other rotating equipment. By isolating the monitoring circuit from the potentially hazardous environment, it ensures safe operation without compromising system integrity.
Equipped with configurable relay contact outputs and a start-up override feature, the Rotation Speed Monitor is adaptable to various operational requirements. Its capability to detect line faults enhances system reliability, making it suitable for applications requiring compliance with safety standards such as SIL 2 according to IEC 61508/IEC 61511. The device’s user-friendly keypad configuration allows for easy setup and adjustments, ensuring optimal performance in dynamic industrial settings.
| EU-Type Examination Certificate | TV 99 ATEX 1408 |
| Input II | startup override: 1 … 1000 s, adjustable in steps of 1 s |
| Dimensions | 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) , housing type C3 |
| Connection side | control side |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Degree of protection | IEC 60529:2001 |
| Connection side | field side |
| Rated voltage | 20 … 30 V DC |
| Rated current | approx. 100 mA |
| Configuration | via operating buttons |
| Connection | Input I: intrinsically safe: terminals 1+, 3- Input II: non-intrinsically safe: terminals 13+, 14- |
| Output I, II | signal, relay |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Connection | output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 |
| UL approval | E223772 |
| Signal type | Digital Input |
| Connection | screw terminals |
| Power dissipation/power consumption | 1.8 W / 1.8 W |
| Degree of protection | IP20 |
| IECEx approval | IECEx TUN 03.0000 |
| Certificate | TV 02 ATEX 1885 X |
| Safety Integrity Level (SIL) | SIL 2 |
| Mass | 300 g |
| Collective error message | Power Rail |
| Display elements | LEDs , display |
| Connection | terminals 23+, 24- or power feed module/Power Rail |
| Electromagnetic compatibility | NE 21:2006 |
| Labeling | space for labeling at the front |
| Control elements | Control panel |
| Input I | acc. to EN 60947-5-6 (NAMUR), see system description for electrical data |
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