ABB ACS800 Hardware Manual

About this manual

This hardware manual covers the ABB ACS800 family of AC drives, including models such as ACS800-11 (5.5 to 110 kW) and ACS800-U1 (7.5 to 125 HP). It contains safety instructions, electrical and mechanical installation guidance, motor‑control information, and maintenance recommendations.

The document also details the optional Safe Torque Off (STO) function (+Q967), the installation of the ASTO board, and provides dimensional drawings and technical specifications. Update notices and supplemental program manuals are listed for reference.

What's inside

• Safety instructions
• Electrical installation planning
• Mechanical and electrical installation
• Motor control and board (RMIO)
• Maintenance
• Technical data
• Dimensional drawings
• Safe torque off (STO) function
• Installation of ASTO board
• Update notice

Specifications

Frequently asked questions

What does the optional +Q967 function do?

The +Q967 option provides a Safe Torque Off (STO) function that can stop the drive in emergency‑stop situations.

How should the ASTO board be installed?

Disconnect the mains and the 24 V supply, wait at least five minutes after power removal, then install the board following the manual’s instructions.

Which standards does the Safe Torque Off function comply with?

It complies with EN 61800‑5‑2:2007, EN/ISO 13849‑1:2008, IEC 61508, EN 62061:2005, EN 60204‑1, and EN 1037.