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For actuators equipped with fail safe unit
3)
Table 36:
Not ready REMOTE and Function check (collective signal 04)
Remedy
Description/cause
Indication on display
●
Check operation commands (reset/clear all op-
eration commands and send one operation
command only).
●
Set parameter
Positioner
to
Function active
.
●
Check setpoint.
Press push button
Details
to display a list of indi-
vidual indications.
For a description of the individual signals, refer to
Manual (Operation and setting).
Collective signal 13:
Possible causes:
●
Several operation commands (e.g. OPEN and
CLOSE simultaneously, or OPEN and SET-
POINT operation simultaneously)
●
A setpoint is present and the positioner is not
active
Wrong oper. cmd
Set selector switch to position REMOTE.
Selector switch is not in position REMOTE.
Sel. sw. not REMOTE
Exit service software.
Operation via service interface (Bluetooth) and
AUMA CDT service software.
Service active
Check setting and status of function <Local controls
enable>.
Actuator is in operation mode Disabled.
Disabled
●
Enable EMERGENCY stop switch.
●
Reset EMERGENCY stop state by means of
Reset command.
The EMERGENCY stop switch has been operated.
The motor control power supply (contactors or
thyristors) is disconnected.
EMCY stop active
●
Detect cause for EMERGENCY signal.
●
Verify failure source.
●
Apply +24 V DC at EMERGENCY input.
Operation mode EMERGENCY is active (EMER-
GENCY signal was sent).
0 V are applied at the EMERGENCY input.
EMCY behav. active
Check I/O interface.
The actuator is controlled via the I/O interface (par-
allel).
I/O interface
Start motor operation.
Manual operation is activated.
Handwheel active
Verify master configuration
Fieldbus connection available, however no process
data transmission by the master.
FailState fieldbus
Release push button STOP.
A local STOP is active.
Push button STOP of local controls is operated.
Local STOP
Check interlock signal.
An interlock is active.
Interlock OPEN + CLOSE
Check states of main and by-pass valve.
By-pass function is interlocked.
Interlock bypass
Wait until PVST function is complete.
Partial Valve Stroke Test (PVST) is active.
PVST active
SIL function is active
SIL function active
1)
For actuators controls in SIL version
1)
12.3.
Fuses
12.3.1.
Fuses within the actuator controls
F1/F2
Table 37:
Primary fuses F1/F2 (for power supply unit)
AUMA art. no.
F1/F2
G fuse
6.3 x 32 mm
Size
K002.277
1 A T; 500 V
Reversing contactors
Power supply
≤
500 V
K002.665
2 A FF; 690 V
Reversing contactors
Power supply > 500 V
K002.277
1 A T; 500 V
Thyristor units for motor power up to 1.5 kW
Thyristor units for motor power up to 3.0 kW
Thyristor units for motor power up to 5.5 kW
F3
Internal 24 V DC supply
76
SAEx 07.2 – SAEx 16.2/SAREx 07.2 – SAREx 16.2 Control unit - electromechanical
Corrective action
ACExC 01.2 Intrusive Profinet