ID 442426.04 115WE KEEP THINGS MOVING
Connection
7
Manual SD6
7.4.7 X120
Encoder connection X120 is an integral part of terminal modules XI6 and RI6.
Encoder supply
Depending on the power consumption of the encoder, an external supply is
required whereby differences in the GND connection arise.
Maximum conductor cross-section
Connection type Maximum conductor cross-section [mm
2
]
Rigid 1,5
Flexible 1,5
Flexible with cable end,
without plastic sleeve
1,5
Flexible with cable end, with
plastic sleeve
0,75
2 leads with the same cross-
section with double cable end
—
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
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