RMB28 RLS, RMB28 Datasheet - Page 3

• Manufacturer Part Number: RMB28
• Description: Angular Magnetic Encoder Module
• Manufacturer: RLS

RMB28MD – Sine/Cosine + Absolute binary synchro-serial (SSI) + Incremental
Complex feedback device for absolute position at start-up as well as during operation + incremental outputs
* Worst case within operational parameters including magnet position
and temperature.
Connections
RMB28MD
Power supply
Resolution
Power consumption
SSI output code
Data outputs
Data inputs
Incremental outputs
Sin/Cos outputs
Operating temperature
Maximum speed
Accuracy*
Hysteresis
Cos
Sin
V
8 bit + 64 ppr (256 cpr) + one
period per revolution
13 mA – incremental and SSI (not
loaded)
Natural binary
Serial data
Clock
A, B, Z
Signal amplitude: 1.1 ± 0.2 V
-40 °C to +125 °C
60,000 rpm
±0.7°
0.45°
dd
= 5 V ± 5%
Clock
GND
Data
B
V
Z
A
dd
Timing diagram - SSI
Clock
Data
Position increases for clockwise rotation of magnet.
Timing diagram - Incremental
A
B
Z
B leads A for clockwise rotation of magnet.
Timing diagram - Sine/Cosine
V
3
5
3
5
B
V
reference impulse
V
leads V
dd
dd
Clock ≤ 900 kHz
90°
A
for clockwise rotation of magnet.
counts per rev
360°
360° x 4
A
V
A
V
16 μs ≤ t
B
= 1 cycle
m
≤ 22 μs
edge separation
2.2 V
associate company
pp
3
®