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Siko Passive sensor, miniature design

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Max. resolution 12.5 μm
max. resolution 0.006° with MR320 or MBR320 (250 poles)
Repeat accuracy ±0.04 mm
Repeat accuracy of ±1 increment
Works with MB320/1 magnetic tape, MRI01 or MR320 magnetic ring, MBR320 magnetic tape ring
Reading distance ≤2 mm
Max. 16000 pulses/revolution in combination with MR320 or MBR320 (250 poles)
Optionally with reference point R or flexible reference marks FR

Mechanical data

Feature	Technical data	Additional information
Housing	red plastic	A design
	steel	F design
	zinc die-cast	ZM design
Sensor/band reading distance	0.1 … 2 mm	O, I reference signals
	0.1 … 1.5 mm	R reference signal
	0.4 … 1 mm	FR reference signal
Sensor/ring reading distance	0.1 … 2 mm	O, I reference signals
	0.1 … 1 mm	R reference signal
Cable sheath	PUR suitable for drag-chain use	4-wire ø4.4_-0.4 mm; 5, 6, 8-wire ø5_-0.4 mm
Cable bending radius	5x cable diameter	static
	7.5x cable diameter	dynamic
Service life of cable	>5 million cycles	under the following test conditions: travel range 4.5 m travel speed 3 m/s acceleration 5 m/s² ambient temperature 20 °C ±5 °C

Electrical data

Feature	Technical data	Additional information
Operating voltage	24 V DC ±20 %	reverse polarity protected
	5 V DC ±5 %	no reverse polarity protection
Current consumption	<20 mA	at 24 V DC, unloaded
	<75 mA	loaded
Output circuit	PP, LD (RS422), TTL	PP only at 24 V
Output signals	A, /A, B, /B, I, /I, R, /R, FR, /FR	quadrature signal
Output signal level high	>UB - 2.5 V	PP
	>2.5 V	LD
	>2.4 V	TTL
Output signal level low	<0.8 V	PP
	<0.5 V	LD
	<0.4 V	TTL
Latency	1.5 µs
Jitter	<15 %	0.5 mm reading distance
Pulse width of reference signal	1 increment(s)
Real-time requirement	speed-proportional signal output
Type of connection	open cable end
	plug connector	7/8-pole
	D-Sub	9-pole

Signal pattern

The logical condition of signals A and B is not defined in reference to the index signal I or the reference signal R. It can deviate from the signal form.

System data

Feature	Technical data	Additional information
Resolution	0.04, 0.05, 0.08, 0.1, 0.16, 0.2, 0.8 mm
Scaling factor	1, 4, 5, 8, 10, 16, 20, 64
Linearity deviation	±30 µm	at TU = 20° C, reading distance 1 mm
Repeat accuracy	±1 increment(s)
Measuring range	∞
Circumferential speed	≤25 m/s	≤3.2 m/s referencing speed
Travel speed	≤25 m/s	≤3.2 m/s referencing speed

Ambient conditions

Feature	Technical data	Additional information
Ambient temperature	-10 … 70 °C
Storage temperature	-30 … 80 °C
Relative humidity	100 %	condensation admissible
EMC	EN 61000-6-2	interference resistance / immission
	EN 61000-6-4	emitted interference / emission
Protection category	IP67	EN 60529
Shock resistance	500 m/s², 11 ms	EN 60068-2-27
Vibration resistance	100 m/s², 5 … 150 Hz	EN 60068-2-6

Ordering table

Feature	Order data	Specifications	Additional information
Operating voltage	A4	24 V DC ±20 %	reverse polarity protected
	5	5 V DC ±5 %	A voltage drop is to be expected with increasing cable length. This must be taken into account in the electrical design.

Design	BA	rectangular
	ZM	metal housing without status LEDs	not for operating voltage 4 and output circuit LD
	F	round	only with NI output signal, O reference signal and scaling factor 8

Type of connection	CE1	open cable end
	E6X	bullet connector without mating connector
	E8X	D-SUB 9-pole without mating connector
		extension cables on request

Cable length	D...	1.0 ... 20 m, in steps of 1 m
		others on request

Output circuit	EPP	push-pull	only operating voltage 4
	LD	Line-Driver
	TTL		only with non-inverted output signal, ≤ 5 m cable length

Output signal	FNI	not inverted
	I	inverted	only with A or ZM design and I or R reference signal

Reference signal	GO	without
	I	periodic index	only with A or ZM design, index signal every 3.2 mm
	R	fixed reference	only with A or ZM design, not with scaling factor 1
	FR	flexible reference	only for ZM design and MB320/1 magnetic tape

Linear resolution/ radial scaling factor	H...	0.0125/64, 0.04/20, 0.05/16, 0.08/10, 0.1/8, 0.16/5, 0.2/4, 0.8/1
Linear resolution/ radial scaling factor		others on request

Ordering key

MSK320-A-B-C-D-E-F-G-H

For more information, click here!

Pin assignment

Not inverted without reference signal

Signal	E1	E6X	E8X
GND	black	1	1
+UB	brown	2	2
A	red	3	3
B	orange	4	4
nc		5	5
nc		6	6
nc		7	7
nc			8
nc			9

Inverted without reference signal

Signal	E1	E6X	E8X
A	red	1	1
B	orange	2	2
nc		3	3
+UB	brown	4	4
GND	black	5	5
A/	yellow	6	6
B/	green	7	7
nc			8
nc			9

Inverted with reference signal

Signal	E1	E6X	E8X
A	red	1	1
B	orange	2	2
I	blue	3	3
+UB	brown	4	4
GND	black	5	5
A/	yellow	6	6
B/	green	7	7
I/	violet	8	8
nc			9

Hint for mounting

For systems with reference points on the magnetic tape please take care that sensor and strip are correctly aligned (see picture).

Reference signal	O, I	R	FR
A, Sensor/tape reading distance	≤2 mm	≤1.5 mm	0.4 … 1.0 mm
B, Lateral offset	±2 mm	±0.5 mm	±0.5 mm
C, Alignment error	±3°	±3°	±3°
D, Longitudinal inclination	±1°	±1°	±1°
E, Lateral inclination	±3°	±3°	±3°

symbolic sensor representation

Scope of delivery

MSK320
Mounting instructions
Fastening set

Siko Magnetic sensor MSK320

sku SIK-MSK320

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