66 Rockwell Automation Publication 750-RM100A-EN-P - August 2019
Chapter 8 Emergency Override Function
Decide Which Protections
to Override
The person or company that designs the drive or bus supply configuration is
responsible for deciding which protections the function can override. That
person or company takes responsibility for the damage to the product from the
conditions that would otherwise trigger the protections.
Go to the Overrides group in the Protection file on port 0.
Go to parameter 0:455 [Emerg Prot OVRD].
Set bits in parameter 0:455 [Emerg Prot OVRD] to configure the product to
override classes of protection. Each bit represents a class of protections or faults.
Set a bit to override that class of faults. Clear a bit to allow the class of faults to
stop the drive or bus supply. For example:
• Bit 0 ‘LS Ctrl Flts’ represents the faults from line-side control (port 13). If
the engineer sets this bit, these events do not stop the product (drive or bus
supply). If the engineer leaves it cleared, these events stop the product.
• Bit 1 ‘LS Pwr Flts’ represents the faults from the line-side power (port 14)
that you can override.
The PowerFlex Drives with TotalFORCE Control programming manual,
publication 750-PM100
, describes which faults are covered by each bit. See the
description for parameter 0:455 [Emerg Prot OVRD]. Also, see the fault and
alarm tables in the troubleshooting chapter.
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