Technical data
TopLine C control terminals
Multi−encoder connection
4
l
84
EDS84ASC552 EN 8.1
4.8.2 Multi−encoder connection
Encoders are connected to X8 (15−pole Sub−D socket).
To avoid interference injection, only use shielded motor and encoder cables if an encoder
is used.
ƒ Absolute and incremental encoders are supported:
– TTL encoders 5 V (incremental)
– Sin/cos encoders 1 V
ss
(incremental)
– Sin/cos absolute value encoders 1 V
ss
with Hiperface protocol
– SSI absolute value encoders with Stegmann protocol
ƒ Improved detection of lower speeds with TTL encoders due to additional time
measurement.
ƒ Sin/cos absolute value encoders are read out by default during initialisation
(switch−on of the supply voltage). Then, the sin/cos signals are evaluated.
ƒ Open−circuit monitoring:
– Sin/cos encoders: Comparison of the sin/cos signals and the sine−wave form
(radius monitoring)
– TTL encoders: Mean value and amplitude monitoring
– Not with SSI encoders
ƒ HTL encoders are not supported:
– HTL encoders are not connected to the multi−encoder input but to the digital
inputs of the controller.
Labelling Feature Rated value
X8/
General
Cable length (system cable is
recommended)
Max. 150 m
Encoder types TTL
SinCos 1V
SS
Protocols Hiperface
SSI
Number of increments 1 ... 16384
Input frequency max. 500 kHz
Scanning speed/position TTL: 4 kHz (250 μs cycle)
SSI: max. 4 kHz (250 μs cycle)
X8/4, 2
Supply voltage V
CC
/GND for encoder 5 ... 12 V
max . output/current
up to 45 °C: 3 W/600 mA
45 ... 55 °C: 1.6 W/320 mA
X8/12, 10 +Sense, −Sense
Measuring line for re−adjusting V
CC
X8/14, 7 +KTY, −KTY Type K: TY 83−110, TY84
Freely defined characteristic
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