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SIKO MSAC501 Magnetic Sensor

SIKO MSAC501 Magnetic Sensor

SIKO MSAC501 Magnetic Sensor

Housing	Die-cast zinc
Operating Voltage	4.5 ... 30 V DC
Ambient temperature	-30 … 85 °C
Storage Temperature	-40 … 85 °C
Protection Category	IP67
Type of Connection	M12 plug connector (A-coded)
Shock Resistance	500 m/s2, 11 ms
Vibration Resistance	100 m/s2, 5 … 150 Hz
Interface	SSI, RS485
Sensing Distance	≤0.2 mm
Status Indicator	LED
System Accuracy	0.06 ° ±

absolute, high-resolution position acquisition for rotative applications

The MSAC501 magnetic sensor serves truly absolute roto measurement, e.g., on large 3-phase current or torque motors.The sensor has the standardized SSI or 485 interfaces. Optionally, an LD output can be selected for incremental signal output. Rim speeds of 25 m/sec (incremental) or 5 m/sec (absolute) can be attained

max. resolution 0.0014° (MRAC501) or 5 µm
Repeat accuracy of 0.0014° (MRAC501) or 5 µm
System accuracy ±0.06° (MRAC501) or ±0.03 mm
SSI output circuit, RS485 (absolute), optional LD (incremental)
Signal period 5 mm
status LEDs for diagnosis

Mechanical data

Feature	Technical data	Additional information
Housing	zinc die-cast
Sensor/ring reading distance	≤0.2 mm

Electrical data

Feature	Technical data	Additional information
Operating voltage	4.5 … 30 V DC
Power input	<1.5 W
SSI clock speed input	≤750 kHz	depending on cable length
Output circuit	without, LD (RS422)
Interface	SSI, RS485
Cycle time	≤30 µs
Type of connection	M12 plug connector (A-coded)	12-pole, 1x pin

System data

Feature	Technical data	Additional information
Pole length	5 mm
Resolution	5 µm
	0.0014°
Scaling factor	7, 8, 9, 10	absolute
	7, 8, 9, 10	incremental
System accuracy	±0.06°	at TU = 20 °C
	±0.03 mm	at TU = 20 °C
Repeat accuracy	±0.0014°	at TU = 20 °C
	±0.005 mm	at TU = 20 °C
Measuring range	360°	single-turn
Circumferential speed	≤5 m/s	absolute

circumferential speed, incremental

		Circumferential speed [m/s]
Incremental scaling	7 Bit	25.00	15.63	7.81	3.13	1.95	0.98	0.49	0.24	0.12
	8 Bit	19.53	7.81	3.91	1.56	0.98	0.49	0.24	0.12	0.06
	9 Bit	9.77	3.91	1.95	0.78	0.49

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