AQ19558647231501-010202
10 | © Danfoss | 2022.09
AME 685
ENGLISH
Safety Notes
To avoid personal injury and damage
to devices, it is absolutely essential for
these instructions and safety notes to
be read carefully and reviewed prior to
assembly and use.
Do not dismantle actuator with the safety spring
function! There is risk of injury and death in the
event of improper handling!
The actuator is heavy. Handle with care to avoid
injury or product damage.
Wiring
Do not touch anything on the PCB!
Do not remove the cover before the
power supply is fully switched off.
NOTE:
Only basic function as SW1 (Fast/Slow) and
SW2 (INV/DIR) are active when is no power supply
on terminal SP and AME actuator operated as AMV.
Actuator mounting to valve
❶
Stem connections
❷
Electrical connection
❸
DIP switch setting
❹
SW1: FAST/SLOW – Speed selection
①
- FAST; 2.7 s/mm
- SLOW; 6 s/mm
SW2: DIR/INV – Direct or inverse acting
selector
②
- DIR; the actuator is directly reacting to input
signal
- INV; the actuator is inversely reacting to
input signal
SW3: 2-10V/0-10V – Input/output
③
- 2-10V; the input signal ranges from 2-10 V
(voltage input) or 4-20 mA (current input)
- 0-10V; the input signal ranges from 0-10 V
(voltage input) or 0-20 mA (current input)
Signal range selector sets Y & X signals.
SW4: LIN/MDF – Characteristic modification
function
④
- LIN; linear correlation between Y signal and
stem position
- MDF (Modified); enables modified
correlation between Y signal and stem
position. Degree of modification depends on
setting of potentiometer CM.
The function enables to change MCV (Motorised
Control Valve) characteristic (for example linear
to logarithmic and logarithmic to linear) and
works with all combinations of DIP switch
settings.
SW5: 100 %/95 % – Stroke limitation
⑤
Adjustable stroke limitation of retracted or
extended actuator stem position.
DIP switch 5 needs to be reset prior to
procedure (5.2) to 100 % (5.1) and set to 95 %
(5.3) until the self-stroking procedure has
concluded (5.4). Retracted icon (5.5) on actuator
will blink red-yellow when actuator stops at
max. retracted stem position (5.5) and will
blink as long as it is not set to a new retracted
position (5.6) by pressing buttons
to set the required position (observe flow on
flow meter). Press and hold reset button for 5
seconds (5.7) and then set new extended stem
position by pressing buttons
.
Extended icon (5.8) will blink red-yellow as long
as it is not set to new extended position by
pressing and holding reset button for 5 seconds.
SW6: C/P – Output signal mode selector
⑥
①
An output signal is present on terminal 4
when the position of the actuator is equal
to or lower than the S4 set point. An output
signal is present on terminal 5 when the
position of the actuator is equal to or higher
than the S5 set point.
SW6: C; provides a constant output signal on
terminals 4 & 5, regardless of the input
signal.
SW6: P; provides a pulse signal through
parallel or cascade electrical wiring
input 1 & 3 dependents from the
controller to output terminals 4 & 5.
SW7: Smart function selector:
⑦
- OFF; the actuator does not try to detect
oscillations in the system
- ON; the actuator enables special anti-
oscillation algorithm – In case control signal
Y on certain point oscillates looking from
time perspective, algorithm starts to lower
the amplification of the output to the valve.
Instead of having static characteristics
actuator changes to dynamic characteristics.
After the control signal does not oscillate
anymore, output to the valve slowly returns
back to static characteristics.
SW8: Uy/Iy – Input signal type selector:
⑧
- Uy; input signal Y is set to voltage (V)
- Iy; input signal Y is set to current (mA)
SW9: Ux/Ix – Output signal type selector:
⑨
- Ux; output signal X is set to voltage (V)
- Ix; output signal X is set to current (mA)
NOTE:
Y detection is disabled if SW8 is set to ON
position and SW3 is set to OFF position.
Functions accessible from cover
RESET button
The actuator has an external RESET button,
which is located on the top cover of the actuator
next to the LED indicators. With this button
you can enable or disable standby mode (press
once) or self-stroking mode (press and hold for 5
seconds). See next paragraph for more details.
Final step of electrical connection
❺
LED signalisation
❻
Self-stroking mode
❼
Self-stroking mode begins automatically the
first time the actuator is powered on. To start
the self-stroking procedure,
press and hold the
RESET button for 5 seconds
①
until the green
light starts flashing. End positions of the valve
are automatically set and the actuator goes into
stationary mode
②
and starts responding to the
control signal.
Manual Operation
Mechanical and electrical operation
must not be used at the same time!
The actuator can be manually positioned when
in standby mode or when there is no power
supply (mechanically).
Actuator type
Mechanical
operation
Electrical
operation
AME 685
Stand-By mode
❽
Press the RESET button for 1 second to enter
standby mode. The actuator stops in the
current position and stops responding to any
control signal. A red light remains constantly
lit. You can now manually operate the
actuator.
Mechanical manual operation
The actuator has a knob & crank on the top of
the housing which enables manual positioning
of the actuator.
Use Mechanical manual operation
only when the power is disconnected.
Mechanical and electrical operation
are not allowed to be used at the
same time!
Electrical manual operation
The actuator has two buttons on the top of the
housing that are used for electrical manual
positioning (up or down), if the actuator is in
Stand-By mode. First press the RESET button
until the actuator goes to Stand-By mode (red
LED is lit). By pressing the button
the stem
will be extended and by pressing the button
the stem will be retracted.
Dimensions
➒
Part Name
Hazardous Substances Table
Lead (Pb)
Mercury (Hg)
Cadmium (Cd)
Hexavalent Chromium (Cr(VI))
Polybrominated biphenyls (PBB)
Polybrominated diphenyl ethers (PBDE)
Housing
X
O
O
O
O
O
Guide insert
X
O
O
O
O
O
Ball bearing
X
O
O
O
O
O
O: Indicates that this hazardous substance contained in all of the homogeneous material for this part is below the limit requirement in GB/T 26572;
X: Indicates that this hazardous substance contained in at least one of the homogeneous material for this part is above the limit requirement in GB/T 26572;
