5 | Technical data STOBER
44
05/2019 | ID 442790.01
5.5.3 X4
EnDat 2.1 digital encoders
Specification EnDat 2.1 digital
U
2
12V
DC
(unregulated)
I
2max
250mA
I
2min
—
Encoder design Single-turn and multi-turn; not suitable for linear encoders
Clock frequency 2MHz
Max. cable length 100m, shielded
Tab. 39: EnDat 2.1 digital specification
Information
An EnDat 2.1 digital encoder can be connected only if certain general conditions are adhered to and STOBER has been
consulted in advance.
EnDat 2.2 digital encoders
Specification EnDat 2.2 digital
U
2
12V
DC
(unregulated)
I
2max
250mA
Encoder design Single-turn and multi-turn
Clock frequency 4MHz
Max. cable length 100m, shielded
Tab. 40: EnDat 2.2 digital specification
SSI encoders
Specification SSI signals
U
2
12V
DC
(unregulated)
I
2max
250mA
Encoder design Single-turn and multi-turn
Clock frequency 250kHz and 600kHz
Sampling rate 250 µs
Monoflop time ≤ 30 µs
Code Binary or gray
Format 13, 24 or 25bits
Transfer Double or single
Max. cable length 100m, shielded
Tab. 41: SSI specification