EN

Encoders without bearings - absolute
Absolute encoder, sensor head with integrated FPGA signal processing
Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit
Additional 1…524288 pulses or 1…32768 sinewave cycles per turn
MHAP 400 - HDmag
Features
–– Absolute encoder with magnetic sensing and without
bearings
–– Sensor head with integrated FPGA signal processing
–– Absolute resolution max. 17 bit singleturn
–– Additional incremental output
–– Robust and wearless
–– Electronics is fully encapsulated
–– High protection standard
–– Large tolerances: axial ±1 mm, radial max. 0.5 mm
–– Simple mounting, easy adaptation
Technical data - electrical ratings (SinCos)
Interference immunity
EN 61000-6-2
Voltage supply
4.5...30 VDC
Emitted interference
EN 61000-6-3
Consumption w/o load
≤300 mA
Approval
CE
Sinewave cycles per turn
1...32768
Phase shift
90° ±5°
Technical data - electrical ratings (SSI)
Sensing method
Magnetic
Voltage supply
4.5...30 VDC
Output signals
A+, A-, B+, B-
Interface
SSI
Output stages
SinCos 1 Vpp
Function
Singleturn
≤20 mV
Steps per turn
≤131072 / 17 bit
Difference of SinCos
amplitude
Sensing method
Magnetic
Harmonics typ.
-40 dB
Code
Gray or binary
DC offset
≤20 mV
Code sequence
CW default
Bandwidth
400 kHz (-3 dB)
Additional output signals
Square-wave TTL (RS422)
Square-wave universal HTL/
TTL
SinCos
Interference immunity
EN 61000-6-2
Emitted interference
EN 61000-6-3
Technical data - mechanical design
Technical data - electrical ratings (square-wave)
Sensor head
FPGA signal processing
Size (flange)
ø406.8 mm
Axial tolerance
±1 mm (wheel/head)
Radial tolerance
0.1...0.5 mm (wheel/head)
Shaft type
ø70...340 mm (through hollow
shaft)
Voltage supply
4.5...30 VDC
Protection DIN EN 60529
IP 67 (head), IP 68 (wheel)
Consumption w/o load
≤300 mA
Operating temperature
-20...+85 °C
Pulses per revolution
1...524288
Operating speed
≤2000 rpm
Phase shift
90° ±10°
Resistance
Scan ratio
40...60 %
Sensing method
Magnetic
Output frequency
≤2 MHz
IEC 60068-2-6
Vibration 30 g, 55-2000 Hz
IEC 60068-2-27
Shock 300 g, 2 ms
Output signals
A+, A-, B+, B-
Accuracy of magnetic
measure
±150 ″
Output stages
HTL
TTL/RS422
Connection
Flange connector M23, 17-pin
1
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5/3/2015
Technical data - electrical ratings
Subject to modification in technic and design. Errors and omissions excepted.
–– Several mounting possibilities
MHAP 400 - Version for axial screw mounting
Encoders without bearings - absolute
Absolute encoder, sensor head with integrated FPGA signal processing
Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit
Additional 1…524288 pulses or 1…32768 sinewave cycles per turn
MHAP 400 - HDmag
Part number
MHAP 400 B5
S
D
Pulse number/sinewave cycles - see table
P
R
U
Z
Voltage supply / signals
4,5...30 VDC / SinCos
4,5...30 VDC / square-wave (TTL)
5...30 VDC / square-wave (5 VDC = TTL / 10...30 VDC = HTL universal)
Without additional output signals
Parity bit
O Odd
E Even
N None
Resolution Singleturn (bit)
8, 9, 10, 11, 12, 13, 14, 15, 16, 17
Code
B Binary code
G Gray code
Mounting type / hollow shaft (ø mm)
Screw mounting
G160, G180, G210, G230, G250, G300, G310, G340
Clamping set mounting
Z70, Z75, Z80, Z85, Z90, Z95, Z100, Z110, Z120, Z130, Z140, Z150, Z160
Shrink fit mounting
H160, H180, H210, H230, H250, H300, H310, H340
16
32
64
128
256
512
1024
2048
4096
8192
16384
32768
65536
131072
262144
524288
Maximum sinewave cycles 32768 for SinCos output.
2
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5/3/2015
1
2
4
8
Subject to modification in technic and design. Errors and omissions excepted.
Pulse number/sinewave cycles
Encoders without bearings - absolute
Absolute encoder, sensor head with integrated FPGA signal processing
Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit
Additional 1…524288 pulses or 1…32768 sinewave cycles per turn
MHAP 400 - HDmag
Data transfer
Terminal assignment
Without parity bit
T
View A
Flange connector M23, 17-pin, male, CW
Clock
Tm
Data
Dn Dn-1 Dn-2 Dn-3
D3
D2
MSB
D1
LSB
With parity bit
T
Clock
Tm
Data
Dn Dn-1 Dn-2 Dn-3
D3
D2
MSB
T
=
Tm =
D1
Pty
LSB
Assignment
1
Do not use
2
Do not use
3
Do not use
4
Do not use
5
Do not use
6
Do not use
7
+UB
8
SSI Clock+
9
SSI Clock-
10
Parity bit
0.5 ... 10 µs
15 µs
Taktfrequenz
Pin
≤2MHz
Output signals
11
Internal shield
12
B+ *
13
B- *
14
SSI Data+
15
A+ *
16
A- *
17
SSI Data-
* Do not use in version without incremental output
Version with additional square-wave signals
HTL oder TTL at positive rotating direction
11 1 2
12
10 16 13 3
9 15
17 14 4
8
5
7 6
A+
A90°
B-
0.5 V
Version with additional SinCos signals
at positive rotating direction
2.5 V
A+
A-
1V
360° el.
Cos = [A+] – [A-]
Sin = [B+] – [B-]
1V
90° el.
3
www.baumer.com/motion
5/3/2015
Subject to modification in technic and design. Errors and omissions excepted.
B+
Encoders without bearings - absolute
Absolute encoder, sensor head with integrated FPGA signal processing
Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit
Additional 1…524288 pulses or 1…32768 sinewave cycles per turn
MHAP 400 - HDmag
Dimensions
Version for axial screw mounting
el
En
co
Positive rotating
direction
° = 360
6x 60
°
ø
ø
ø
ø
ø
6x ø6.5
ø
Check the flush
alignment of the
encoder wheel and
the sensor head
on mounting
ø
ø
3x Jack-screw
thread M6
Air gap
Zero position
* With air gap
0.3 mm
Incremental track
ø
he
de
r
w
Absolute track
Sensor head
A
±1 mm
øA = 160-340
øB = øA+20
HM08M28781
Version for clamping set mounting
ø
ø
ø
ø
Clamping set
Check the flush
alignment of the
encoder wheel and
the sensor head
on mounting
* With air gap
0.3 mm
A
Sensor head
Air gap
Zero position
ø
ø
±1 mm
øA = 70-160
4
HM08M28935
www.baumer.com/motion
Subject to modification in technic and design. Errors and omissions excepted.
Positive rotating
direction
5/3/2015
el
ø
he
Incremental track
En
co
de
rw
Absolute track
Encoders without bearings - absolute
Absolute encoder, sensor head with integrated FPGA signal processing
Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit
Additional 1…524288 pulses or 1…32768 sinewave cycles per turn
MHAP 400 - HDmag
Dimensions
Version for shrink fit mounting
el
Incremental track
Positive rotating
direction
ø
En
co
ø
he
de
r
w
Absolute track
±1 mm
HM08M28866
ø
Subject to modification in technic and design. Errors and omissions excepted.
øA = 160-340
øB = øA+20
5
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5/3/2015
Air gap
A
ø
ø
* With air gap
0.3 mm
Check the flush
alignment of the
encoder wheel and
the sensor head
on mounting
3x Jack-screw
thread M8
Zero position
Sensor head
Shrink fit
ø
ø
ø
ø
Encoders without bearings - absolute
Absolute encoder, sensor head with integrated FPGA signal processing
Magnetic sensing, through hollow shaft max. ø340 mm, singleturn 8...17 Bit
Additional 1…524288 pulses or 1…32768 sinewave cycles per turn
6
www.baumer.com/motion
5/3/2015
Subject to modification in technic and design. Errors and omissions excepted.
MHAP 400 - HDmag
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