Torque Limiting Device - Bernard Controls AQL Serie Guía De Inicio

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If the LED continues to blink after the automatic process, it is
indicating the following errors:
2
Configuration
was not
correctly
loaded
How to set closing direction and fallback position
You can use SW2 dip switches to set closing direction (dip switch 1)
and fallback position (dip switches 2 & 3) in case signal is lost.
This setting must be done with power off.
Closing
direction
OFF

8 TORQUE LIMITING DEVICE

In case of excessive torque on the actuator, a torque limitation
system shuts down actuator.
A LED behind switch board is lighting up when this protection is ON.
How to re-start the actuator if torque limiter went off
1. Switch power supply off.
2. Check if the issue comes from valve (stiff point or jamming)
or mechanical stops (over-travel or wrong mechanical stop
settings).
3. Fix the issue.
4. Switch power supply on and electrically operate actuator in
both directions.
LED remains lit a few seconds after power supply is switched off.
Wait those few seconds before switching power supply on again and
operating actuator.
3
Actuator is
4/20 mA signal
is lost
during travel
1
ON
Clockwise
Counter-
clockwise
English
4
• Rotation direction is
wrong
• Actuator got to a
blocked
position out of
travel limits
• Actuator is pumping
Fallback
position
ON
2
OFF
12
5
3
ON
OFF
Stayput
Closed
Open
Stayput

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