Magnetic absolute multi-turn hollow shaft encoder
BMMH –
MAGRES
SSI
features
• robust multi-turn encoder up to
- 12 bit single-turn resolution
- 13 bit multi-turn resolution
• miniature housing
• zero point programmable
• SSI Interface
general data
voltage supply
max. supply current
no load
output circuit
max. revolution
single-turn
multi-turn
max error limit
repeatability
max. clock frequency
input signal
5 VDC ± 10%
(05C)
10 - 30
(24C)
typ. 100 mA (at 5 VDC)
(05C)
typ. 50mA (at 24 VDC)
(24C)
SSI, RS 422
12 bit (1 step= 5'16'')
13 bit (8'192 revolutions)
±1°
0,3°
1 MHz
clock input, zero (zero setting:
< 0,4 V, > 2 ms off state: 3,3 V or
open)
with Lithium cell typ. 19 years
looking at the flange, position
counts up as the shaft rotates
clockwise (CW)
order designation
BMMH 42S1
12/13
5
connector
5
cable 1 m radial
shaft
B2
end shaft 12 mm IP 42
with clamping ring
P2
end shaft 12 mm IP 65
with clamping ring
resolution multi-turn
13
13 bit
resolution single-turn
12
12 bit
voltage range, output signals
05C
SSI interface, 5 VDC
24C
10 - 30 VDC SSI interface
signal code
G
Gray code
N
binary code
counter buffering
direction of rotation
mechanical data
max. revolutions
moment of inertia
torque
product life
max. protection class
material
weight
6'000 rpm
typ. 12 x 10
-7
kgm
2
typ. 0,93 cNm
(3'000 rpm / 20 °C / IP 42)
depending on ambient conditions
(typ. 10
9
revolutions.)
IP 65
housing: steel
flange: aluminum
approx. 190 g
ambient conditions
temperature range
relative humidity
vibration
shock
noise immunity
emitted interference
-20...+85 °C
max. 95%
IEC 60068-2-6
(≤ 300 m/s
2
/ 10 - 2'000 Hz)
IEC 60068-2-27
(≤ 1'000 m/s
2
/ 6 ms)
EN 61000-6-2
EN 61000-6-3
3. 06
www.baumerelectric.com
BMMH 42
MAGRES
SSI
dimensions
assignment cable
cable color
2
1
2,2
M3 x 6
3 x 120˚
signal
+V
S
0V
data+
data-
clock+
clock-
zero
d.u.
description
voltage supply
voltage supply
data line
data line
clock input
clock input
zero setting input
do not use
8 x 0,14 mm
2
brown
12 H7 x15
white
grey
pink
green
yellow
blue
red
cable data
ø 24
6
8,5
38
47
16
33
0
-0.025
42
Note
Mounting drawings see end of chapter.
read out of position values
n clock
t1
clock
T
t3
data
t2
Bit n Bit n-1
Bit 3
Bit 2 Bit 1
pulse times:
T = 1 µs to 10 µs / t1 = 0,5 to 5 µs
t2 < 0,2 µs / t3 > 12 µs to 25 µs
SSI data output and clock input
see page 2.05 chapter absolute single-turn encoders
accessories
clamp set
spring plate set
shaft adapter
clamping ring set
12 mm hollow shaft
part nr. 110616
part nr. 138610
see chapter accessories
part nr. 142556
www.baumerelectric.com
3. 07