overloaded.
Short-Circuit/Overload Current Diagnostics
If a short-circuit or overload current condition occurs on an output channel:
1. The FLT LED flashes, provided that power is applied to the module. 5V dc via
backplane and load power via an external supply is required.
2. Fuse status bit (FB1) is set (1) when the fuse is tripped. The module tries to
reset the outputs at intervals of 500 ms. During each retry, the fuse status bit is
reset (0). After the overload condition is corrected, the fuse status bit resets (0)
automatically.
When FB1 is set, outputs 0 through 4 will not function.
3. All output channels will be turned off in the case of a short-circuit or overload condition.
Recovery from Channel Shutdown
1. Remove the SLC 500 system power and correct the conditions causing the
short-circuit or overload current condition.
2. Restore the SLC 500 system power. The module automatically resets and
resumes control of the output channel and associated load.
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