Non contact magnetic linear encoder CMT has measuring length up to 50 m.
The encoder is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacement.
The encoder is intended to use in particular heavy conditions. It is protected against products of technological processes and mechanical actions.
Encoder consists of metal based magnetic band MP, reading head and profile rail PS with protective band. The length of magnetic band could be up to 50 m.
Encoder could be supplied with external zero signal actuator (magnet), which allows usage one of many reference marks made on magnetic band. Zero signal actuator is not necessary if the magnetic band with reference marks made according customer requirements (MP200Z) is used. The reading head has LED, which indicates the reference mark passage by head.
Two versions of output signals are available:
• CMT-F - Square-wave signals, with integrated subdividing electronics for interpolation.
• CMT-AV - Sinusoidal signals, with amplitude approx. 1 Vpp, which require external subdividing electronics.
|Measuring length (ML)||up to 50 m. (max. 20 m. with MP500)||up to 50 m. (max. 20 m. with MP500)|
|Repeatability||± 1 increment||± 1 increment|
|Max. measuring frequency||300 kHz||300 kHz|
|Power supply||(5...28) DC ± 5 % V||(5...28) DC ± 5 % V|
|Current consumption without load||60 mA max||60 mA max|
|Current consumption with load||140 mA max (with 5 V and R = 120 Ω); 115 mA max (with 12 V and R = 1.2 kΩ); 90 mA max (with 28 V and R = 1.2 kΩ)||140 mA max (with 5 V and R = 120 Ω); 115 mA max (with 12 V and R = 1.2 kΩ); 90 mA max (with 28 V and R = 1.2 kΩ)|
|Phase shift between signals||90° ± 5°||90° ± 5°|
|Protecion (IEC 529)||IP67||IP67|
|Permissible humidity||100 % non condensing||100 % non condensing|
|Permissible vibration (55...2000 Hz)||300 m/s2||300 m/s2|
|Permissible shock (11 ms)||1000 m/s2||1000 m/s2|
|Output signal shape||Square-wave TTL pulses||Sine-wave|
|Output signals||6 - two main + one zero signal and their complementary||Two main + one zero (square-wave pulse)|
|Output scheme||Line driver (push-pull optional)||Line driver; push-pull|
|Weight of reading head||40 g||100 g|
|Standard cable length||2 m||2 m|
|Max. cable length of head||10.0 m||10.0 m|
|Max. cable length of encoder (2 m of head + adapter)||100.0 m||100.0 m|
|Electrical protections||from inversion of power supply polarity; from short circuit on output port||from inversion of power supply polarity; from short circuit on output port|
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