Technical Data; Contents Of This Chapter; Safety Data; Safety Data Values - ABB ACS880 User Manual

Technical data

Contents of this chapter

This chapter lists the safety data, describes the ambient conditions and gives a list of
standards related to the product.

Safety data

￭

Safety data values

Each multidrives delivery is unique. If included in the customer order, ABB calculates the
safety data for the safety function, and delivers the data separately to the customer.
￭

Safety component types

Safety component types as defined in IEC 61508-2:
• POUS safety relay: type A
• inverter unit STO circuit:
• frame sizes R1...R9 and drives with R1i...R7i inverter modules: type A
• frame sizes R10 and R11 and drives with R8i inverter modules: type B.
￭

Safety block diagrams

Each multidrives delivery is unique. If included in the customer order, ABB defines the safety
block diagram for the safety function and delivers the diagram separately to the customer.
￭

Relevant failure modes

Relevant failure modes are:
• internal failures of safety relays and STO. These failures are included in the PFH value
of the function.
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