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SINAMICS V-ASSISTANT Online Help
Operating Manual, 04/2017, A5E36618042-003
95
The digital inputs support both PNP and NPN types of wirings. You can find detailed
information from the following diagrams:
You can assign a maximum of ten internal digital output signals to the SINAMICS V90 PN
servo drive. For detailed information about these signals, see the table below:
RDY Servo ready
• 1: ready to operate
• 0: drive not ready (alarm occurs or enable signal is miss-
ing)
✓ ✓
FAULT Fault
• 1: in fault status
• 0: no fault
✓ ✓
ZSP Zero speed detection
• 1: motor speed is equal with or lower than the zero
speed (can be set with parameter p2161).
• 0: motor speed is higher than zero speed + hysteresis
(10 rpm).
✓ ✓
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 the limit
✓ ✓
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