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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 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 58) and
(+Q967), Application guide
Installation of the ASTO board
WARNING! Dangerous voltages can be present at the ASTO board even
when the 24 V supply is switched off. Follow the
first pages of this manual and the instruction in this chapter when working
on the ASTO board.
Make sure that the drive is disconnected from the mains (input power) and the 24 V
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) 87
ACS800-01/04/11/31/104/104LC Safe torque off function
(3AUA0000063373 [English]).
8
Safe torque off (option
Safety instructions
on the
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