LAHR RDM545/100LTA BERGER

Features common to all motor types 

• Test voltage to DIN EN 60034 part 1 

• Insulation class F 

• Run-out and perpendicularity to DIN 42955 N 

• Paint: black RAL 9005 

Where motors are operated under technically correct conditions, the service life is largely depend on the service life 

of the bearing. 

The following operating conditions may significantly reduce the service life of the motor: 

• Installation at altitudes over 1000 m above mean sea level 

• Continuous operating temperatures greater than 80°C 

• Angular travel less than 100° 

• Operation with very high rotation accelerations 

• Operation und vibration loads greater than 20 m/s² 

• High cyclic frequencies 

• Running with dry sealing rings 

• Wetting seals with aggressive media 

Encoder 

3-phase stepping motors can optionally be fitted with an encoder. This system of measurement returns the actual 

position if the power drive is equipped with a rotation monitoring circuit. The rotation monitoring circuit compares 

the setpoint and actual positions of the motor and signals an error if the difference between the two exceeds a 

certain limit (contouring error limit). This will detect overloading of the motor, for example. 

 An Encoder can only be fitted on motors equipped with a receptacle. A second shaft end or a holding 

brake can also be used. 

Technical data 

Resolution 

Index pulse 

Output 

Signals 

Pulse waveshape 

Supply voltage 

Current 

1000 increments / revolution 

1 increment / revolution 

RS 422 

A; B; I 

Square-wave 

5V ± 5% 

up to 0.15 A 

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