5251-2 – Current Regulated Power Supply
Description du produit
Model 5251-2 is an open frame, 0-1A current regulated power supply for use with Magtrol hysteresis brakes and clutches. It has a high input impedance that allows for a variety of sensors and transducers to be used. It features a selectable 0-100 mV/0-5 VDC monitor out that allows connection to a PLC, voltmeter, display or other monitoring device. This allows the user to monitor the current applied directly to the brake or clutch, if desired. With regulated current, torque drift caused by temperature changes within the brake coil is eliminated. Braking control is enabled by using either a 10-turn potentiometer or by an external 0–5 VDC control signal.
Ordering Information
| 5251-2 | Current Regulated Power Supply 115 VAC |
| 5251-2A | Current Regulated Power Supply 230 VAC |
Specifications
| Brake Voltage |
24 VDC |
| Current Ranges |
0-200 mA, 0-500 mA, 0-1000 mA |
| Current Regulation |
±1% Full Scale |
| Braking Control |
10-Turn Potentiometer or
0-5 VDC External Control |
Current Monitor
Output |
Selectable Ranges:
0-200 mV DC
0-500 mV DC
0-1000 mV DC
0-5 V DC |
Line Fuse
(5 x 20 mm) |
5251-2: 115 V IEC 1.0 A 250 V T
5251-2A: 230 V IEC 0.4 A 250 V T |
Brake Fuse
(5 x 20 mm) |
IEC 1.25 A 250 V T |
Power
Requirements |
70 VA |
Voltage
Requirements |
115/230 VAC 50/60 HZ |
Max. Compliance
Voltage |
45 VDC |
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[post_content] => The 5212 is a 0-1A current-regulated 24 VDC power supply and display that is designed for use with Magtrol’s hysteresis brakes and clutches. It features a 10-turn current adjustment potentiometer and 3 selectable current ranges: 200 mA, 500 mA, and 1000 mA. A convenient built in panel meter displays the value of output current.
The 5212 is designed as a closed-loop power supply to provide smooth application of current throughout an entire range up to a maximum set point. By utilizing regulated current, fluctuations in brake torque caused by temperature changes within the brake coil are eliminated. Braking current can be controlled manually from the front panel using the 10-turn potentiometer. Alternatively, if remote operation is required, the 5212 can be controlled by an external source using the 0-5 VDC control input located on the rear panel.
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[post_content] => Les freins à hystérésis génèrent leur couple exclusivement à l'aide du champ magnétique créé dans l'entrefer, sans aucun contact. Il en résulte des caractéristiques de fonctionnement nettement supérieures telles qu'un couple sans à-coups, une longue durée de vie, une excellente répétabilité de couple, une grande précision de régulation, ainsi que des temps d'arrêt et de maintenance réduits. Les freins à hystérésis sont de ce fait avantageusement utilisés pour la régulation de tension d'enroulement ou de déroulement lors de la production de divers matériaux, de tissus, de câbles et de cordes.
[post_title] => HB Series - Freins à hystérésis
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[post_content] => Les freins à aimant permanent de Magtrol se prêtent tout spécialement aux applications dont l’alimentation électrique des freins ou des embrayages magnétiques ne peut être envisagée. Bien que les applications avec couple constant constituent l’idéal pour de tels freins, Magtrol peut également offrir des appareils selon les spécifications particulières des clients. Normalement utilisé pour générer un couple, le montage d’un axe d’entrée sur un frein transforme ce dernier en embrayage magnétique. L’ensemble stator/boîtier devient alors entraînant, le rotor et l’axe la partie entraînée, le couple étant transmis par l’entrefer. Tout comme pour les freins et embrayages magnétiques à hystérésis, Magtrol garantit les mêmes caractéristiques de fonctionnement sans à-coups, d’excellente répétabilité et une longue durée de vie pour ses freins à aimant permanent.
[post_title] => HPM/HPMC Series - Freins/Embrayages Magnétiques À Aimant Permanent
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[post_content] => Désolé! Cette page n'est pas encore disponible en français. Vous pouvez néanmoins la consulter ci-dessous en anglais.
Pure Hysteresis Brakes produce torque strictly through a magnetic air gap without the use of magnetic particles or friction components. This method of braking provides far superior operating characteristics (smoother torque, longer life, superior repeatability, high degree of controllability, and less maintenance and down time) which make them the preferred choice for precise tension control during the processing of nearly any material, web or strand.
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[post_content] => The 5212 is a 0-1A current-regulated 24 VDC power supply and display that is designed for use with Magtrol’s hysteresis brakes and clutches. It features a 10-turn current adjustment potentiometer and 3 selectable current ranges: 200 mA, 500 mA, and 1000 mA. A convenient built in panel meter displays the value of output current.
The 5212 is designed as a closed-loop power supply to provide smooth application of current throughout an entire range up to a maximum set point. By utilizing regulated current, fluctuations in brake torque caused by temperature changes within the brake coil are eliminated. Braking current can be controlled manually from the front panel using the 10-turn potentiometer. Alternatively, if remote operation is required, the 5212 can be controlled by an external source using the 0-5 VDC control input located on the rear panel.
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