Connecting
4.3 Control/status interface - X8
SINAMICS V90, SIMOTICS S-1FL6
128 Operating Instructions, 04/2019, A5E36037884-007
You can assign a maximum of 15 internal digital output signals to the SINAMICS V90 servo
drive. For detailed information about these signals, see the table below:
1 RDY Servo ready
• 1: the drive is ready.
• 0: the drive is not ready (a fault occurs or the
enable signal is missing).
✓ ✓ ✓ ✓ ✓
2 FAULT Fault
• 1: in the fault state.
• 0: no fault.
✓ ✓ ✓ ✓ ✓
3 INP In-position signal
• 1: the number of droop pulses is in the preset in-
position range (parameter p2544).
• 0: the number of droop pulses is beyond the
preset in-position range.
✓ ✓ X X ✓
4 ZSP Zero speed detection
• 1: motor speed ≤ zero speed (can be set with
parameter p2161).
• 0: motor speed > zero speed + hysteresis (10
rpm).
✓ ✓ ✓ ✓ ✓
5 SPDR Speed reached
• 1: the actual motor speed has nearly (internal
hysteresis 10 rpm) reached the speed of the in-
ternal speed command or analog speed com-
mand. The speed approaching range can be set
via parameter p29078.
• 0: the speed difference between the speed set-
point and the actual speed is larger than the in-
ternal hysteresis.
X X ✓ X X
6 TLR Torque limit reached
• 1: the generated torque has nearly (internal
hysteresis) reached the value of the positive
torque limit, negative torque limit or analog
torque limit.
• 0: the generated torque has not reached any
torque limit.
✓ ✓ ✓ X ✓
7 SPLR Speed limit reached
• 1: the speed has nearly (internal hysteresis 10
rpm) reached the speed limit.
• 0: the speed has not reached the speed limit.
✓ ✓ ✓ X ✓
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