Parker HAS Series - STO Trip Annunciation

Parker Hannifin Corporation
Cylinder Division
Des Plaines, Illinois
www.parker.com/cylinder
Hydraulic and Electrohydraulic Actuators
HAS Series Analog Drives Manual
Catalog HY08-4005-M3
62
WARNING: This product can expose you to chemicals including Lead and Lead Compounds which are known to the State of
California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
PROP 65 WARNING
Safe Torque Off
*** TRIPPED *** SAFE
TORQUE OFF
SSTTOO TTrriipp AAnnnnuunncciiaattiioonn
The MMI will display a STO trip message when STO becomes active, i.e. STO prevents the
drive from running, thus:
66990011 OOppeerraattoorr DDiissppllaayy 66551111 OOppeerraattoorr DDiissppllaayy
The above shows the two types of STO alarm text for when the (same) STO function has
been activated. This message is displayed immediately if on starting the drive or whilst the
drive is running:
• One or both STO user inputs X11/01 or X11/03 is low, or
• The 890 drive has detected a fault in the STO circuit.
Note that an out-of-box 890 drive will report this trip if the drive, as supplied, has no
connections to X11 when it is first started. Appropriate connections must be made to X11 to
prevent this trip from occurring, as described elsewhere in this chapter. The user must
decide if STO is to be permanently inactive, or to make use of the STO feature. If you do not
require to use the STO feature see the “Applications that do not require STO function”
section on page ____
Safe Torque Off is inserted into the trips history buffer if STO is active when the drive is
attempted to be started or if it becomes active while the drive is running, indicating an
abnormal condition. The trips history buffer is not updated if STO becomes active while the
drive is not running.
Note: The normal method of operation is for STO to become active while the drive is not
running and the motor is intended not to rotate. Use on rotating motors or moving loads
requires appropriate, application specific risk assessment.
WWAARRNNIINNGG:: This product can expose you to chemicals including LLeeaadd aanndd LLeeaadd CCoommppoouunnddss which are known to the State of
PPRROOPP 6655 WWAARRNNIINNGG
California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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Cylinder Division
Des Plaines, Illinois
62
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Hybrid Actuation System
Cylinders SSeerriieess HHAASS 550000
Catalog HY08-
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STO Trip Annunciation