13
Installation
Figure 15 Drive Enable Outputs
During a reset, bridge inhibit or a fault the normally on output is off and the
normally off output is on. During operation the normally on output is on and the
normally off output is off.
Drive Reset Outputs
The drive reset outputs allow the 525 PMC to reset the external drive after a fault.
The output is provided with both normally on and normally off outputs. To utilize
the normally on output connect between drive reset (+) and normally on drive reset
(-). Consequently, to utilize the normally off output connect between drive reset (+)
and normally off drive reset (-). The (+) indicates the collector of an optical isolator,
while the (-) indicates the emitter as shown below.
Figure 16 Drive Reset Outputs
During a reset the normally on output is on and the normally off output is off. After
completion of the reset and during operation, the normally on output is off and the
normally off output is on.