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4-17
Safe Torque Off
AC890PX AC Drive
4
The fault state (one input high, the other input low) has persisted for longer than 3.0 seconds (being
the maximum fault detection time). The STO hardware logic locks into state 4. The STO function
prevents the drive from starting. User output is OFF. To exit from state 4, the drive must be powered
off (all power removed including any auxiliary 24Vdc) and back on.
OPERATION OF THE 890 UNIT SHOULD CEASE IMMEDIATELY AND THE UNIT SHOULD BE
RETURNED TO PARKER HANNIFIN MANUFACTURING FOR INVESTIGATION AND REPAIR.
FAILURE TO DO SO COULD RESULT IN INJURY, DEATH OR DAMAGE.
FURTHER OPERATION OF THE 890 WITHOUT RESOLVING THIS FAILURE IS ENTIRELY AT
THE USER’S OWN RISK.
SEE SAFETY CATEGORY DEFINITIONS AND LIMITATIONS, REFER TO EN ISO 13849-1:2008.
Summary of Contents for AC890PX Series
Page 17: ...2 5 Product Overview AC890PX AC Drive 890PX bottom wire entry ...
Page 144: ...The Keypad 7 9 AC890PX AC Drive The Menu System Map ...
Page 145: ...7 10 The Keypad AC890PX AC Drive The Menu System Map continued ...
Page 328: ...Programming D 88 AC890PX AC Drive Functional Description ...
Page 386: ...Programming D 146 AC890PX AC Drive Setpoint Drive Frequency Frequency 1 Frequency 2 ...