Installation Of The Asto Board (Safe Torque Off, +Q967); What This Chapter Contains; Safe Torque Off (+Q967); Installation Of The Asto Board - ABB ACS800-U1 Hardware Manual

Installation of the ASTO board

(Safe torque off, +Q967)

What this chapter contains

This chapter describes the electrical installation of the optional Safe torque off
function (+Q967) of the drive and the specifications of the board.

Safe torque off (+Q967)

The optional Safe torque off function includes an external ASTO board, which is
connected to the drive and an external power supply.
For more information on the Safe torque off function, see
+Q967)
(page 48) and
(+Q967), Application guide
Installation of the ASTO board
WARNING! Dangerous voltages can be present at the ASTO board even
when the 24 V DC supply is switched off. Obey the
(page 105) in this manual and in this chapter when you do work on the
ASTO board.
Make sure that the drive is disconnected from the mains (input power) and the
24 V DC source for the ASTO board is switched off during installation and
maintenance. If the drive is already connected to the mains, wait for 5 minutes after
disconnecting mains power.

Installation of the ASTO board (Safe torque off, +Q967) 81

ACS800-01/04/11/31/104/104LC Safe torque off function
(3AUA0000063373 [English]).
8
Safe torque off (option
Safety instructions