ID 442426.04
37
WE KEEP THINGS MOVING
Technical data
4
Manual SD6
4.5.1.2
Connection X120
Encoder supply
Depending on the power consumption of the encoder, an external supply is
required whereby differences in the GND connection arise.
4.5.1.3
Connection X101 (binary input encoder)
General specification
U
2
15 V (see encoder supply)
I
2max
250 mA, sum X4, X120, X140: 500 mA
Maximum cable
length
50 m
Specification SSI encoder (evaluation and simulation)
switching frequency
592 kHz (motor encoder) or 250 kHz (position
encoder)
Code
Binary or Gray
Encoder type
Multiturn: 24 or 25 bits
Single-turn: 13 bit short or 13 Bit short
Transfer
Double transmission, can be switched off
Specification incremental encoder, pulse train
(evaluation and simulation) and Hall sensor (only evaluation)
f
max
Evaluation:
≤
1 MHz
Simulation: 500 kHz
Signal level
TTL
Calculation example
– limit frequency f
max
... for an encoder with
2,048 pulses per revolution::
3,000 revolutions per minute (equivalent to 50 revolutions per
second) * 2,048 pulses per revolution
= 102,400 pulses per second
= 102.4 kHz
U
2
Bridge
Internal: Pin 8 (U
2
)
Pin 1 (GND-ENC) to pin 9 (GND)
External
Pin 1 (GND-ENC) to GND of external supply
General specification
Maximum cable
length
30 m, shielded
Evaluation – Incremental encoder and pulse train
HTL
TTL
High level
12-30 V
2 – 6 V
Low level
0-8 V
0 – 0.8 V
U
1 max
30 V
6 V
I
1 max
16 mA
13 mA
f
max
100 kHz if High level > 15
V and external push pull
configuration
250 kHz
t
min
Cycle time of the application with time stamp
correction (resolution 1 µs)