Data sheet
Actuators for modulating & 3-point control
AME 655 – without safety function
AME 655 GA – without safety function (replacement for AMV(E) 4xx/6xx)
AME 658 SU, AME 658 SD – with safety function (spring up/down)
AME 659 SD – with safety function (spring down); DIN EN 14597 certified
Description
Actuators are primarily designed to regulate
valve in the respond to the demand of a
controller in District Heating/cooling, Heating,
Ventilating and Air conditioning systems.
Actuators AME 655, 658 and 659 can be
controlled by electronic controllers with
modulating or 3-point control output.
Actuators can be used without any adapter in
combination with:
- Valve types VFM, VFS (DN 65-100),
VF (DN 100-150) and VL (DN 100)
-
Self-acting flow controller AFQM 6 and AFQM*.
* With adapter 065B3527 for AFQM 6 or AFQM
PN 25, if produced before March 2015.
Used with adapter 065B3527 in
combination with:
- Valve types VFG(S) and VFU.
Features:
•
Manual operation mechanical and/or electrical
• Position indication, LED signalization
• Selectable speed 2 or 6 s/mm
• Automatic adaptation of stroke to valve’s end
positions that reduces commissioning time
(self stroking)
• Integrated auxilliary switch
• Characteristic optimization
• Adjustable stroke limitation
• Anti-oscillation function
• Pulse or continuous output signal (4&5)
• Voltage or current output signal X
• External reset button
• Auto detection of Y signal
• 3-point or modulating control selection
•
Galvanic insulation Y, X and output terminal 4&5
• Thermal and overload protection
• Precise control and fast response in 3-point
mode (0.01 s)
Special feature for AME 655GA and AME 659SD:
• Potential free terminal
• Able to connect wires as were connect by
AMV(E 41X o r 61X)
• Equipped with cable glands
Main data:
• Nominal voltage (ac or dc):
- 24 V, 50 Hz/60 Hz
- 230 V, 50 Hz/60 Hz
• Control input signal: modulating or 3-point
• Force: 2000 N
• Stroke: 50 mm
• Speed (selectable): 2 or 6 s/mm
• Max. medium temperature: depends on valve
type. (from 150°C up till 300°C)
© Danfoss | 2022.02 AI164086478959en-010902 | 1
Data sheet Actuators for modulating & 3-point control AME 655/658/659
Ordering
Technical data
Please check power supply
and power consumption
prior connection!
Actuators
standards
Power supply
(V)
24 082G3442
230 082G3443
24 082G3439
230 082G3438
24 082G3450
230 082G3451
24 082G3448
230 082G3449
24 082G3454
230 082G3455
V 0-10 (2-10) [Ri = 40 kΩ]
mA 0-20 (4-20) [Ri = 500 Ω]
- 3-point (wiring auto-detection)
V 0-10 (2-10) [Ri = 10 kΩ]
mA 0-20 (4-20) [Ri = 510 Ω]
°C
s - 120 120 120
Code No.
12 (24 V)
21 (230 V)
Depends on valve type. No limitations for 150°C, for higher temperature
Electrical and
mechanical
Stem remains in
last position
Picture
Power supply V 24 or 230; +10 … 15 %; ac or dc
Power consumption VA
Frequency Hz 50/60
Control input Y
Control output X
Closing force N 2000
Max. stroke mm 50
Speed (selectable) s/mm 2 or 6
Max. medium temperature
Ambient temperature 0 … + 55
Storage and transport temperature −40 … +70 (storing for 3 days)
Humidity 5-95% (no condensing)
Protection class II
Grade of enclosure IP 54
Weight kg 5.3 8.6 8.6 8.6
Safety function - Yes Yes Yes (DIN EN 14597)
Safety function runtime/50 mm stroke
Manual operation
Power failure response
- marking in accordance with the
Typ e
AME 655
AME 655 GA
AME 658 SU
AME 658 SD
AME 659 SD
Actuator type AME 655/655 GA AME 658 SD AME 658 SU AME 659 SD
Accessories - Stem heater
Typ e DN Code No.
Stem heater for VFM valve 65-2 50 065Z7022
Accessories - Adapter
Typ e Code No.
Adapter for VFG/S, VFU and AFQM 6 & AFQM
PN 25 if produced before March 2015.
Accessories - Potential free terminal
Typ e Code No.
Potential free terminal for all AME 65x
Potential free terminal for all AME 65x
28 (230 V)
Electrical and
mechanical
Safety function
extends the stem
Low Voltage Directive 2006/95/EEC
EMC Directive 2004/108/EEC
actuators 24V
actuators 230V
19 (24 V)
see page 3, INSTALLATION
19 (24 V)
28 (230 V)
Electrical and
mechanical
Safety function
retracts the stem
065B3527
003G633 6
003G6337
19.2 (24 V)
35.7 (230 V)
Electrical
Safety function
extends the stem
Low Voltage Direct.
2006/95/EEC
EMC Directive
2004/108/EEC
Safety function acc.
to DIN EN 14597
Commissioning
Complete the mechanical and electrical
installation (see instructions) and perform the
necessary checks and tests:
- Turn on the power
- Set the appropriate control signal and check
that the valve stem direction is correct for
the application.
The unit is now fully commissioned.
2 | AI164086478959en-010902 © Danfoss | 2022.02
Data sheet Actuators for modulating & 3-point control AME 655/658/659
Design
1. Manual operation knob
2. Function buttons
3. Service cover
4. Removable gland support *
5. End position indication ring
6. Stem connector
7. Valve connector (yoke)
* additi onal gland support w ith
one M16 and one M20 gland adde d
with AME 655GA and AME 659SD
actuators only.
Installation Mechanical
Please check the allowed installation positions
for the valve and actuator. The actuator can be
installed in all positions (see below).
Code No.
ZF 4
ZF 5
003G1394
003G1396
<150 °C
Use a M8/SW13 key (not supplied) to fit the
actuator to the valve body. Allow for necessary
clearance for maintenance purposes. To link
valve and actuator stems use a 4mm Allen
key (not supplied). The actuator has position
indication rings which should be pushed
together before el. connection; after self-stroking
they indicate end positions of the stroke.
Electrical connection
Electrical connections can be accessed by
removing the service cover.
AME 655GA / 659SD
Four cable entries are supplied with actuator.
AME 655 / 658
Four cable entries
or M 20×1.5 cable glands.
are provided for M 16×1.5
Note that in order to
maintain the enclosure’s IP rating, appropriate
cable glands must be used.
150 -200 °C ZF 4
200 -350°C ZF5
VFG/S + adapter 0 65B3527
VFU 2 + adapter 065B3527 + ZF4/5VFU 2 + adapter 065B3527
VFG/S + adapter 0 65B3527 + ZF4/5
VFGS + adapter 065B3527 + ZF5 (DN 15-125)
AI164086478959en-010902 | 3© Danfoss | 2022.02
Data sheet Actuators for modulating & 3-point control AME 655/658/659
Wiring AME 655
AME 658 SU/SD
AME 658 wiring for modulating mode AME 655 wiring for modulating mode
Do not touch anything on the PCB!
Do not remove the service cover
before the power supply is fully
switched off.
Max. allowed current output on
terminals 4 and 5 is 4A .
Min. power is 3W.
Recommended cross-sectional
area of the wiring is 1.5 mm
2
AME 658
CONTROLLER
24V
230V
AME 6 55
SN 0 V Neutral
SP 24, 230 V ac/dc Power supp ly
4
0(2 )-10 V
0(4) -20 mA
0(2 )-10 V
0(4) -20 mA
SP
5
4, 5 SP(ac)
1
SP
3
GND 0 V Neutral
Y
X
DIP 6 OFF (1a, 1b)
DIP 6 ON (2a, 2b)
SP output
-max 4A
-min 3W
Input
Input
Output
CONTROLLER
AME 655
Optional: AME 655 connected as 3-point version
CONTROLLER
24V
230V
SN 0 V Neutral
1.3 24, 230 V a c/dc Power supp ly
4, 5 SP(ac)
1
SP
3
Ix 0 (4)-20m A
X
Ux 0 (2)-1 0V
1
3
4
5
Ix
9
Ux
Ix
9
Ux
X output p ossible only
when powe r supply is
connec ted to the SN & SP.
SP output
-max 4A
-min 3W
Input
GND must b e as well
connected.
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Data sheet Actuators for modulating & 3-point control AME 655/658/659
Wiring AME 659 SD
AME 655 GA
Do not touch anything on the PCB!
Do not remove the service cover
before the power supply is fully
switched off.
Max. allowed current output on
terminals 4nc and 5nc is 4A.
Min. power is 3W.
AME 659 SD wiring for modulating mode
CONTROLLER
Recommended cross-sectional
area of the wiring is 1.5 mm
2
24V
230V
AME 659 SD
AME 655 GA wiring for modulating mode
CONTROLLER
24V
230V
AME 655 GA
AI164086478959en-010902 | 5© Danfoss | 2022.02
Data sheet Actuators for modulating & 3-point control AME 655/658/659
Actuator operating modes
LED operating mode indicator
The three-colour (green/yellow/red) LED function
indicators are located on the actuator cover. They
indicate different operating modes.
RESET button
Actuators AME 655/658/659 have external RESET
button which is located on top cover of the actuator
next to LED indicators. With this button you can
enter or exit Stand-By mode (press once) or Self
stroking mode (press and hold for 5 seconds). See
next paragraph for mode details.
Operating modes
• Self stroking mode
Self stroking mode starts automatically the
first time when power supply is applied to the
actuator. To start self stroking procedure press
and hold RESET button for 5 seconds until the
green light starts flashing. End positions of the
valve are automatically set and the actuator goes
to stationary mode and starts responding to the
control signal.
• Stand-By mode
(versions AME 655/658/659)
Press the RESET button for 1 sec. to enter
Stand-By mode. The actuator stops in current
position and stops responding to any control
signal. Red light is constantly lit. You can
manually operate the actuator with mechanical
handle (versions AME 655/658) or control
buttons (versions AME 655/658/659). This mode
can be very useful during the commissioning of
other equipment, or for service purposes. In this
mode you can also set positions of the additional
switches. To exit Stand-By mode press the RESET
button again.
• Positioning mode
The actuator is operating automatically. The
stem is extending or retracting according to the
control signal. When positioning is finished the
actuator goes to stationary mode. If for one or
another reason 3-point signal (terminally 1 and 3)
and Y signal would be present at the same time,
3-point signal would prevail.
• Stationary mode
The actuator is operating without errors.
• Error mode
Working temperature is too high - check the
ambient temperature.
Stroke is too short - check the connection with
valve and valve operation, or check if valve is
blocked.
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Data sheet Actuators for modulating & 3-point control AME 655/658/659
LED signalling
LED Indication type Operating mode
Constantly lit Position ing mode - Actuato r is retracting th e stem
Constantly lit Position ing mode - Actuato r is extending th e stem
Green LED:
Yellow LED:
Red LED:
Flashing
(1 s cycle)
Flashing
(1 s cycle)
Constantly lit
Constantly lit
Flashing
Constantly lit Stand-By mode
Self str oking mode - Act uator is retract ing the stem
Self str oking mode - Act uator is extendi ng the stem
Stationa ry mode - Actuat or has reached upp er end
position (retracted stem)
Stationa ry mode - Actuat or has reached bot tom end
position (extended stem)
Stationa ry mode - Single b link when Y signal is p resents
and doubl e blinks when Y si gnal is not connec ted)
Flashing Error Mode
Flashing
(1 s cycle)
Red/ Yellow
LED
Flashing
(1 s cycle)
Dark No indication No power su pply
Set up stro ke limitation (ret racted stem)
Set up stro ke limitation (ex tended stem)
AI164086478959en-010902 | 7© Danfoss | 2022.02
Data sheet Actuators for modulating & 3-point control AME 655/658/659
DIP switch setting
The actuator has a selection of DIP switches (Fig. 1)
under the service cover.
DIP1: FAST/SLOW – Speed selection
- FAST; 2 s/mm
- SLOW; 6 s/mm
DIP2: DIR/INV – Direct or inverse acting
selector (Fig. 2):
- DIR; the actuator is direct acting to
input signal
- INV; the actuator is inverse (reverse) acting to
control signal
DIP3: 2-10 V/0-10 V – Input/output
- 2-10 V; the input signal is in the range from
2-10 V (voltage input) or from 4-20 mA
(current input)
- 0-10 V the input signal is in the range from
0-10 V (voltage input) or from 0-20 mA
(current input)
Signal range selector sets Y and X signal.
DIP4: LIN/MDF – Characteristic modification
function (Fig. 3):
- LIN ; Linear correlation between Y signal and
stem position
- MDF (Modified) position; 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.
DIP5: 100%/95% – Stroke limitation (fig.4):
- Set new maximum retracted position of the
actuator
- Set new minimum extended position of the
actuator.
DIP6: C/P – Output signal mode selector (Fig. 5.):
- 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.
- DIP6 position C provides a constant output
signal on terminals 4 or 5, regardless of the
input signal.
- DIP6 position P provides a pulse signal
through parallel or cascade electrical wiring
input 1 and 3 dependents from the controller
to output terminals 4 and 5.
Fig. 1
Fig. 2
Q
Y
CM CM CM
Fig. 3
Max. retracted
Set new retract
Fig. 4 (For more details see instructions document)
Set new ex tended
Kv
max. extended
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Data sheet Actuators for modulating & 3-point control AME 655/658/659
S4
S5
DIP switch setting
(continuous)
DIP7: Smart function selector:
- OFF ; the actuator does not try to detect
oscillations in the system
- ON ; actuator enables special anti-oscillation
algorithm – see section on anti-oscillation
algorithm
DIP8: Uy/Iy –Input signal type selector:
- Uy; input signal Y is set to voltage (V)
- Iy; input signal Y is set to current (mA)
NOTE:
Y detection is disabled if DIP8 is set to ON positions
and DIP3 is set to OFF position.
DIP9: Ux/Ix –Output signal type selector:
- Ux; output signal X is set to voltage (V)
- Ix; output signal X is set to current (mA)
Anti oscillations algorithm
(SW 7 in position ON)
The actuator has special anti oscillations
algorithm. In case control signal Y on certain
point oscillates (Fig. 1) looking from time
perspective, algorithm starts to lower the
amplification of the ouput 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.
Fig. 5
Valve position X signal (V)
Oscillation
Harmonic oscillations are high frequency
oscillations with low amplitude that vary around
its own equilibrium value and not around
set-point temperature. They can appear in up to
70 % of control time, even though the system is
properly commissioned. Harmonic oscillations
have negative influence on control stability, and
lifetime of the valve and actuator.
set-point
temperature
time (24h)
Fig. 1
Smoothing function
The smoothing function implemented in the
new 2nd generation of anti-oscillation function
reduces harmonic oscillations; the actual
temperature is closer to the set-point (desired
temperature). Smoother operation increases
lifetime of the valve and actuator. This saves
energy and reduces costs in general.
set-point
temperature
time (1h)
control signal
feedback signal
AI164086478959en-010902 | 9© Danfoss | 2022.02
Data sheet Actuators for modulating & 3-point control AME 655/658/659
Manual operation
Mechanical and electrical
operation are not allowed to
be used at the same time!
Actuators AME 655/658 can be manually
positioned when in Stand-By mode or when
there is no power supply (mechanically).
The actuator AME 659 can be manually
positioned only in Stand-By mode.
BB
AA
AA
BB
Actuator type
AME 655
AME 658
AME 659
Mechanical
operation
Electrical
operation
Dimensions
Mechanical manual operation
Actuators AME 655/658 have 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.
191
369
353
Electrical manual operation
Actuators AME 655, 658/659 have 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 upper button the
stem will be extended and by pressing the lower
button the stem will be retracted.
Min. 450
186
10 | AI164086478959en-010902 © Danfoss | 2022.02
Data sheet Actuators for modulating & 3-point control AME 655/658/659
Actuator – valve combinations
AME 65x +
VFM 2
AME 65x +
VFG + adapter 065B3527 + ZF 4/5
VFGS + adapter 065B3527
+ ZF5 (DN 15-125)
AME 65x +
VF 2 (DN 100-150)
VL 2 (DN 100)
VFS 2 (DN 65-100)
AME 65x +
VFU +
adapter:
065B3527 (D N 15- 125)
AME 65x +
VF 3 (DN 100-150)
VL 3 (DN 100)
AME 65x +
VFG 3 +
adapter:
065B3527 (DN 25-125)
AME 65x +
AFQM 6 *
AME 65x +
AFQM PN 16 (DN 65-125)
AME 65x +
AFQM PN 25 *
* Please use adapter 065B3527 for combination with AFQM PN25 & AFQM 6 if produced before March 2015.
AI164086478959en-010902 | 11© Danfoss | 2022.02
Data sheet Actuators for modulating & 3-point control AME 655/658/659
© Danfoss | DCS-SGDPT/SI | 2022.0212 | AI164086478959en-010902
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