Honeywell’s HercuLine 11280S Smart
actuators incorporate all of the high
quality and reliable features of the
traditional HercuLine
the added benefits of a microprocessorbased Enhanced Electronics Unit (EEU).
These additional benefits provide:
•
Faster set-up and commissioning
•
Network capability
•
Health parameter monitoring for
proactive maintenance planning.
HercuLine 11280S Smart actuators
enable operation at maximum process
efficiency, minimal downtime, and
access to all actuator parameters for
real-time business decisions.
Honeywell’s 11280S actuators are
industrial rated and engineered for very
precise positioning of dampers and
valves. The HercuLine 11280S
performs especially well in extremely
demanding environments requiring
continuous duty, high reliability, and low
maintenance. Typical applications are
ID/FD fan dampers, furnace pressure
dampers, coal mill dampers, burner tilts
and more.
actuators plus
Actuator Operation
Microprocessor-based electronics
continually monitor the performance,
health, and position of the actuator for
repeatable positioning and response to
demand signal.
A double reduction worm gear set
combines with a variable speed motor
controller (inverter) that is continuous
duty rated for accurate and repeatable
positioning of final control elements.
The worm gear set combination also
functions as a brake, capable of holding
greater than two times the output torque
in a back-driving condition.
Figure 1 Herculine 11280S Smart Actuator
Control options are available to
interface with a modulating 4-20 mA
input signal and 4-20 mA customer
feedback or remote setpoint through
Modbus. Internal balance, customer
feedback and patented slidewire
emulation is provided by a noncontacting position sensor.
Features
Performance
• Accurate Positioning –
Motor/gear train provides accurate
positioning with almost
instantaneous start/stop
characteristics.
• Non-Contact Position Sensing –
Non-contacting sensing lowers
maintenance costs and improves
performance.
• Duty Cycle – Continuous duty
rated motor.
Specification
• Full Travel Speed – Full stroke
travel speeds as fast as 10
seconds.
• Torque – High torque capability in
small package (425 – 5,500 lb-ft).
• High Accuracy – Typically 0.25 %
of 90° span.
• High Repeatability - Typically
0.2 % of 90° span.
• Characterization – Linear, square
root or programmable userconfigured 21-point
characterization allows tailoring of
control for specific applications.
• Input Filter Setting – Four
programmable combinations of
input filter settings are provided to
accommodate various customers
needs. The combinations are
none, spike, low pass, or spike +
low pass filter.
• Deadband – Deadband is
programmable between 0.2 % to
5 % of 90° span.
Sensing and Control, 11 West Spring Street, Freeport, Illinois 61032
• Control Signals – 0/4 to 20 mA,
0/1 to 5 Vdc, 0 to 10 Vdc, Digital
remote setpoint (RS485 Modbus
RTU protocol).
• Output Signals – 0/4 to 20 mA,
0/1 to 5 Vdc and slidewire
emulation.
• Manual Operation – All 11280S
series actuators are supplied with a
manual handwheel to operate the
actuator when power is not
available.
• Auto-Manual – electric handswitch
with auxiliary contacts indicating an
"Out-of-Auto" position is available
for local electric control.
• RS485/Modbus RTU
Communication – Simple and
easy to use Modbus RTU
communication is standard with all
11280S actuators allowing
seamless networking of Honeywell
control products.
• Auxiliary Outputs – Two types of
auxiliary outputs can be specified,
SPDT switches or
electromechanical relay outputs.
Relay outputs can be programmed
to output alarm conditions, provide
control of other equipment, or
indicate status.
• Alarm Functions – Alarms may be
assigned to relay outputs or may be
accessed through Modbus. Alarms
can be triggered from stall,
temperature limits, motor cycle
count, out of automatic mode,
digital input, position, input failure,
position sensor failure, power up
failure, and more.
• Local HMI Configuration – An
integral keypad and high intensity
display is available for non-intrusive
local configuration of the actuator
(Figure 2).
• Configuration Security –
Password protection is provided,
allowing users to lock out some, all,
or no groups of setup parameters to
prevent tampering.
• Factory Calibration – Factory
calibration is stored in non-volatile
memory and can be restored via
the local HMI at any time.
• Direction of Rotation – Direction
of rotation on increasing input
signal is programmable.
• Split Range Operation – Split
range is programmable and
infinitely adjustable.
• Digital Input Override – A digital
input is provided and is
programmable to provide override
of all other input signals as an
emergency override of control. The
digital input can be programmed to
drive the actuator open, closed,
remain in-place, or to a userspecified position on contact
closure.
• Failsafe – When input signal
exceeds high or low range limits
(or input signal failure), the
actuator can be programmed to
drive open, closed, remain inplace, or drive to a user-specified
position.
Construction
• Enclosure – Rugged, industrial
grade enclosure.
• Low Maintenance – Simple-
proven design means high
reliability/low maintenance.
• Output Shaft Hardware – All
11280S series actuators are
supplied with an adjustable radius
crank arm. Optional linkage kits
are available.
• Limit Switches – Two end-of-
travel electric limit switches are
supplied as standard equipment
with all 11280S series actuators.
• Warranty – Exceptional warranty.
A standard feature on all 11280S
actuators accumulates information
about actuator operation. This
information then can be used to
evaluate and determine predicted or
scheduled maintenance periods. The
parameters that are monitored include:
accumulated stall time, thermal
operating rating of the actuator
exceeded, number of motor starts in a
region of motor travel, total travel and
current actuator travel.
Non-Contact
Position Sensing
Honeywell 11280S series actuators
implement a variable inductance, noncontact position sensor mounted directly
to the actuator output shaft providing
precision position sensing from 0 to 90
degrees, (Figure 3). This technology
eliminates maintenance items such as
wipers, bearings, as well as static
friction, hysteresis and electrical noise
over a wide range of demanding
environmental conditions.
Slidewire Emulation
The Slidewire Emulation Circuit (SEC)
emulates the proportional voltage
output of a typical slidewire through a
high impedance circuit. The voltage
output is proportional to the supply
voltage and shaft position. A noncontact position sensor is used to
determine shaft position in place of the
slidewire.
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Local Display and Keypad
Configuration and set-up is through the local HMI, consisting of a display and keypad interface (Figure 2). A high intensity
10-character LED display and simple pushbuttons provide quick access for actuator set up and status information. If relay
outputs are specified, all configuration can be done through either the local HMI interface. If mechanical switches are
specified, then the user must manually set the auxiliary output.
Control Arm Rotation
CCWCW
Upper Display
(Four Characters)
Lower Display
(Six Characters)
Indicators
STALLED
ALARM
MANUAL
AUTO
LED Status
Indicators
Pushbuttons to
Access Actuator
Set Up, Status and
Calibration
Parameters.
Non-Contact Sensor
Sensing PWA
FUNCTIONSET UP
MAN/AUTO
DISPLAY
Figure 2 Local HMI (Display and Keypad)
Non-Contact Sensor Spoiler
Figure 3 Non-Contact Sensor Assembly
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Page 4
Set Up/Configuration Parameters
Configuration parameters are logically grouped and accessed using the local HMI. Actuator calibration is also
accomplished through a simple procedure using the keypad. By pressing the SETUP button on the HMI, you can step
through the set up groups that contain all of the configuration parameters. The table below summarizes the configuration
parameters available within the various set up groups. Full details of all configuration parameters are found in the 11280S Series Smart Actuator Installation, Operation and Maintenance Manual, document number 61-86-25-09.
Set Up Group Configuration Parameter Selections/Settings
SET INPUT Selects various
parameters that define actuator
operation.
SET RELAY When the actuator
is equipped with optional relays,
this set up group allows you to set
relay action for various actuator
operating conditions. Contact
closure can be wired to external
annunciators or alarm points to
indicate conditions for any of the
Relay Types.
SET CUROUT Selects the
current (or voltage) output range
of the actuator.
SET COMM Actuator can be
defined as a master or slave
device on a Modbus RTU RS-485
loop. Operating setpoint can be
transmitted to the actuator and
operating status can be read
when connected to supervisory
control systems.
SET DIGINP Selects digital
input action upon contact closure.
SET DISPLA Selects desired
decimal places and engineering
units for local display.
CAL INPUT, MTR, CURENT If needed, calibration of the actuator input, motor position and actuator output can be
performed using the local keypad and display.
IN TYP – Input Actuation Type
INP HI – Input High Range Value
INP LO – Input Low Range Value
FILTYP – Input Filter Type
LPFILT – Low Pass Filter Time Constant
Direct – Actuator Rotation
RTYPnn – Relay Type
Input Range
Position Range
Deviation
Upper or Lower Limit Travel
Temperature High or Low
Motor Starts
Motor Stalled
Manual Mode
Power Up Test Failure
Input Signal Failure
Position Sensor Signal Failure
Digital Input Closure