AUMA AC 01.2 User Manual

Setting values:
Off
Push button STOP can only interrupt an operation in operation mode Local (selector
switch = position Local control).
Sel.sw.Local + Remote
In the operation modes Local, Remote, Remote II, EMERGENCY and Service, push
button STOP interrupts an operation.
Information
In operation mode Disabled, an interruption is NOT possible.
9.8. EMERGENCY stop function
Conditions
An EMERGENCY stop button (latching) is either located on the electrical connection
or outside.
Characteristics
●
In an emergency, the EMERGENCY stop button can be used to interrupt the
power supply. Possibly available operation commands will be reset via self-re-
taining.
●
The indication in the top row of the display shows: EMCY stop
Figure 45: EMERGENCY stop button on the electrical connection
Information
The EMERGENCY stop button is reserved for operation in the event of an emergency.
For maintenance work, the mains supply of the actuator controls has to be switched
off and protected against accidental switching on.
Information
The EMERGENCY stop push button is not available for explosion-proof versions,
but only for weatherproof versions of the actuator controls.
Operation commands
After having unlocked the EMERGENCY stop button, a possibly active operation
command will NOT immediately be re-activated, but only respective acknowledgement
by the operator.This resets the EMERGENCY stop status.
The acknowledgement is made:
●
via the RESET push button in selector switch position Local control (LOCAL).
●
or via fieldbus reset byte 1 bit 3 of output data (for this, the selector switch must
be set to Remote control).
●
via a digital input from Remote. Assignment: RESET
9.9. Partial Valve Stroke Test (PVST)
Properties
The Partial Valve Stroke Test (PVST) is used to check the function of both actuator
and actuator controls. During this test, the function of the valve is tested by means
of partial opening or closing within a defined period of time without interrupting the
process. After successful testing, actuator controls operate the actuator to its initial
position.
If the test was not successful, actuator controls will generate the following signals:
PVST fault PVST abort. For monitoring the PVST, these signals must be evaluated
by a PLC.
Requirements
●
Position transmitter in the actuator
88
Actuator controls
Failure functions AC 01.2/ACExC 01.2 Profinet

AUMA AC 01.2 Specifications

General

Brand	AUMA
Model	AC 01.2
Category	Control Unit
Language	English