Siko Magnetic sensor MSK320
Product Information
- 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 | |
| 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

symbolic sensor representation
Scope of delivery
- MSK320
- Mounting instructions
- Fastening set


