Omron OMNUC FND Series User Manual page 21

Introduction
j Protection and Self-diagnostic Functions
Hardware Protection
The Position Driver is protected from overcurrent, overvoltage, low voltage, abnormal power, clock fail-
ure, overcurrent (soft), speed amplifier saturation, and overload damage.
Mechanical System Protection
The mechanical system is protected from damage resulting from overspeed, error counter overflows,
soft limit overflows, coordinate counter overflows, or overrun.
Parameter Setting-related Errors
The Position Driver detects parameter setting errors.
Detector-related Errors
Resolver wire burnout, resolver failure, encoder wire disconnection, encoder communications failure,
absolute encoder backup failure, absolute encoder checksum failure, absolute encoder battery failure,
absolute encoder absolute failure, absolute encoder overspeed failure, encoder data failure, and en-
coder initialization failure.
Position-related Errors
BCD data, indefinite PV, and PTP data non-setting errors.
j Test Functions
Motor Test Function
The Position Driver has a motor test function that makes it possible to easily check whether a motor is
connected to the Position Driver. When this function is enabled, the motor rotation direction can be con-
trolled with the operation keys and the motor speed can be set in UP-29. The motor speed is set to
50 r/min before shipping.
Sequential Output Test Function
The Position Driver has a sequential output test function that makes it possible to easily check whether a
host controller is connected to the Position Driver. This function makes it possible to turn any output
terminal ON or OFF with the operation keys.
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Chapter 1