EN

Encoders without bearings - incremental
Sensor head with split wheel and magnetic tape for shaft ø90...300 mm
512...131072 pulses or 512...16384 sinewave cycles per turn
MIR 350A - HDmag flex
Features
–– Bearingless incremental encoder with magnetic
sensing
–– Split wheel design for easiest mounting on installed
shafts
–– Very large axial tolerances ±8 mm
–– Max. 131072 pulses per revolution
–– Status indication via system OK output and LED
–– Robust and wearless
–– Fully encapsulated electronics IP 67
–– Corrosion protection for offshore applications
Technical data - electrical ratings
Technical data - mechanical design
Voltage supply
4.75...30 VDC
Dimensions (sensor head) 165 x 25 x 93 mm
Consumption w/o load
≤300 mA (24 VDC)
350 mm
Sensing method
Magnetic
Outer diameter adapter
wheel
Output signals
A+, B+, R+, A-, B-, R-
40 mm
Initializing time
≤1000 ms after power on
Over all depth adapter
wheel
Status indicator
Color-LED, system OK output
Shaft type
Interference immunity
EN 61000-6-2
ø90...300 mm (through hollow
shaft)
Emitted interference
EN 61000-6-3
Axial tolerance
±8 mm (belt to head)
Approval
CE
Radial tolerance
1...3 mm (belt to head)
Shaft diameter tolerance
-0.4...0 mm
Protection DIN EN 60529
IP 67
Operating temperature
-40...+85 °C
Technical data - electrical ratings (square-wave)
Pulses per revolution
512...131072
Operating speed
2000 rpm
Phase shift
90° ±2°
Resistance
Scan ratio
45...55 %
Reference signal
Zero pulse, width 90°
Output frequency
≤500 kHz (HTL)
≤2 MHz (TTL)
IEC 60068-2-6
Vibration 30 g, 10-2000 Hz
IEC 60068-2-27
Shock 300 g, 6 ms
Materials
Output stages
HTL
TTL/RS422
Housing: aluminium alloy
Adapter wheel: stainless steel
Connection
Flange connector M23, 12-pin
Weight approx.
880 g (head), 13 kg (wheel with
belt, bore size ø90 mm), 12.5 kg
(wheel with belt, bore size
ø150 mm), 7 kg (wheel with
belt, bore size ø299 mm)
Technical data - electrical ratings (SinCos)
Sinewave cycles per turn
512...16384
Phase shift
90° ±2°
Reference signal
Zero pulse, width 360°
Output frequency
≤500 kHz
Output stages
SinCos 1 Vpp
1
www.baumer.com/motion
12/11/2015
MIR350A
Subject to modification in technic and design. Errors and omissions excepted.
Optional
Encoders without bearings - incremental
Sensor head with split wheel and magnetic tape for shaft ø90...300 mm
512...131072 pulses or 512...16384 sinewave cycles per turn
MIR 350A - HDmag flex
Part number
MIR350A-
....
.
M
.
.
A
Operating temperature
A -40...+85 °C
Pulse number/sinewave cycles - see table
Voltage supply / output stages
Q 4,75...30 VDC, HTL (Vin = Vout), 6 channel
F 4,75...30 VDC, TTL/RS422, 6 channel
T 4,75...30 VDC, SinCos (1 Vpp), 6 channel
Connection
M Flange connector M23, tangential 12-pin, male contacts ccw
Shaft diameter (mm)
0090...0300
Pulse number/sinewave cycles
512
720
1000
1024
2048
4096
5000
8192
10000
Accessories
Connectors and cables
16384
32768
131072
Sensor cable for encoders
11068549
Mating connector M23, solder version, 12-pin,
CW
Subject to modification in technic and design. Errors and omissions excepted.
Other pulse numbers/sinewave cycles on request.
Maximum sinewave cycles 16384 for SinCos output.
HEK 8
2
www.baumer.com/motion
12/11/2015
....
Encoders without bearings - incremental
Sensor head with split wheel and magnetic tape for shaft ø90...300 mm
512...131072 pulses or 512...16384 sinewave cycles per turn
MIR 350A - HDmag flex
Output signals
Terminal assignment
Version with square-wave signals HTL oder TTL
at positive rotating direction
View A
Flange connector M23, 12-pin, male contacts, CCW
A+
A-
B+
BR+
(Zero pulse+)
90°
R(Zero pulse-)
Pin
Assignment
1
B- / SIN-
2
System OK-
3
R+ (Zero pulse)
4
R- (Zero pulse inv.)
5
A+ / COS+
6
A- / COS-
7
Do not use
8
B+ / SIN+
9
Do not use
10
0V
11
System OK+
12
+UB
No error if „System OK“ output = HIGH
Version with sinewave signals
at positive rotating direction
1
2
3
0.5 V
2.5 V
12
4
11
7
6
5
A-
90° el.
R = [R+] – [R-]
(Zero pulse)
1V
B = [SIN+] – [SIN-]
0.5 V
360° el.
3
www.baumer.com/motion
12/11/2015
A = [COS+] – [COS-]
Subject to modification in technic and design. Errors and omissions excepted.
1V
A+
360° el.
9 8
10
Encoders without bearings - incremental
Sensor head with split wheel and magnetic tape for shaft ø90...300 mm
512...131072 pulses or 512...16384 sinewave cycles per turn
MIR 350A - HDmag flex
Dimensions
Positive rotating direction
ød = Shaft diameter 90...300
Stretching screw
X
Detail Y
Magnetic belt with
stainless steel carrier
1.5+1.5
-0.5 Air gap
Sensor head
Mating connector
±8 mm
4
www.baumer.com/motion
Subject to modification in technic and design. Errors and omissions excepted.
A
Detail X
12/11/2015
Y
Belt lock
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