Manual

0098441113480, V2.00, 03.2011
SD315O 6 Operation
Drive for stepper motors 67
6.5 Monitoring functions
The monitoring functions in the product can help to guard the system
and reduce the risks involved in a system misoperation. These monitor-
ing functions may not be used to protect persons.
The following monitoring functions are available:
Overtemperature If the maximum permissible temperature (>90°C) of the power stage is
exceeded, the power stage is disabled. The error is signaled by the
LED ERR (red).
After you have fixed the cause of the error, reset the error message with
a 0 level at the signal input ENABLE.
The motor temperature is not monitored.
Overvoltage If an upper voltage limit (60 V
dc
) is exceeded, the power stage is disa-
bled. The error is signaled by the LED ERR (red).
After you have fixed the cause of the error, reset the error message with
a falling edge at the signal input ENABLE.
Undervoltage If the voltage drops below a lower voltage limit (<18 V
dc
), the power
stage is disabled. The error is signaled by the LED ERR (red) if sufficient
voltage is still available.
After you have fixed the cause of the error, reset the error message with
a falling edge at the signal input ENABLE.
Short circuit When the power stage is enabled, the device monitors the motor phases
for short circuit between the motor phases. In the case of a short circuit,
the power stage is disabled and the motor coasts down in an uncon-
trolled way. The error is signaled by the LED ERR (red).
After you have fixed the cause of the error, reset the error message with
a falling edge at the signal input ENABLE.
Ground faults are not detected.