Athena IMP Manuel utilisateur
IMP PIM SAM
Zone Temperature
Controller
for Runnerless Molding
Applications
Manual
2
ATHENA...
TEMPERATURE/PROCESS AND POWER
CONTROLS YOU CAN DEPEND ON.
Since 1965, Athena Controls, Inc. has been at
the forefront of control technology, and was
one of the first companies to offer a fully
microprocessor-based, 1/4 DIN digital tem-
perature controller. Our product line has
expanded to include a complete range of
panel, rack-mounted, and open-card process
controllers, highly efficient SCR power con-
trollers and solid-state motor contactors, and
specialized temperature control products and
systems for the plastics industry.
Athena’s products are sold and serviced
worldwide through a network of authorized
sales representatives and distributors.
•General Purpose Microprocessor and Analog
Controllers
• SPI-Compatible 1/32, 1/16, 1/8, and 1/4 DIN
Auto-Tune Process Controllers
• Ramp-Soak and Multi-Input Process Controllers
• Low-Cost,Non-IndicatingTemperature
Controllers
• Phase Angle and Zero Switched SCR Power Controls
• Phase Angle and Zero Switched Solid-State Contactors
• Staging Controllers for Large KW Loads
• Single and Multi-Zone Hot Runner Control Modules
• Portable Controller and Mainframe Systems
• Cables, Mounting Boxes, and Accessories
OPERATING INSTRUCTIONS
ALARM/MODE DISPLAY
DISPLAY ALARM SYMBOLS
OVER TEMPERATURE
UNDER TEMPERATURE
THERMOCOUPLE OPEN
NO HEAT
THERMOCOUPLE REVERSED
DIGITAL SETPOINT SWITCH
ACCURATELY SETS A
SETPOINT TEMPERATURE
STANDBY (WARM) REGION
PERCENTAGE POWER ADJUSTMENT KNOB
CONTROLS PERCENTAGE OF POWER
SUPPLIED TO LOAD IN MANUAL
TEMPERATURE AND PERCENTAGE
POWER DISPLAY
DOT INDICATORS
POWER BEING DELIVERED TO LOAD
MANUAL MODE ON
(DISPLAY INDICATES PERCENTAGE
OF POWER)
REMOTE AND STANDBY OPERATION
MODE SELECT TOGGLE SWITCH
DISPLAY MODE SYMBOLS
OPEN LOOP (MANUAL MODE)
CLOSED LOOP (AUTO MODE)
COMPUSTEP START-UP
ON DURING FIVE MINUTE
COMPUSTEP TIME PERIOD
POWER SWITCH
ON
OFF
4
PIM SERIES
PORTABLE SINGLE ZONE
HORIZONTAL CONTROLLER
POWER SWITCH
ON
OFF
STANDBY (WARM) REGION
MODE SELECT TOGGLE SWITCH
DISPLAY MODE SYMBOLS
OPEN LOOP (MANUAL MODE)
CLOSED LOOP (AUTO MODE)
COMPUSTEP START-UP
ON DURING FIVE MINUTE
COMPUSTEMP TIME PERIOD
PERCENTAGE POWER ADJUSTMENT KNOB
CONTROLS PERCENTAGE OF POWER
SUPPLIED TO LOAD IN MANUAL
DIGITAL SETPOINT SWITCH
ACCURATELY SETS A
SETPOINT TEMPERATURE
TEMPERATURE AND PERCENTAGE
POWER DISPLAY
DOT INDICATORS
POWER BEING DELIVERED TO LOAD
MANUAL MODE ON
(DISPLAY INDICATES PERCENT-
AGE OF POWER)
ALARM/DISPLAY
DISPLAY ALARM SYMBOLS
OVER TEMPERATURE
UNDER TEMPERATURE
THERMOCOUPLE OPEN
NO HEAT
THERMOCOUPLE REVERSED
OPERATING INSTRUCTIONS
IMPSeries 15 and 30 Amp Temperature Controllers
PIMSeries 10 and 15 Amp Temperature Controllers
Section I. General Description
The IMP and PIM Series are microprocessor based PID controllers
specifically designed to perform most operator functions
automatically. The IMP Series are plug-in units, while the PIM
Series are portable, stand-alone instruments. Both are
self-adjusting and capable of maintaining a very high degree of
temperature accuracy over a wide range of operating conditions.
A digital display eliminates parallax error caused by conventional
analog methods of display. This enhances the accuracy of the
controller while making information easier to see.
Simplified controls and the use of status symbols allow the
operator to make adjustments easily. The status display also
provides visual indication of normal or abnormal operating
conditions in both controller and load.
All that is required of the operator is to set the temperature
desired. From that point on, the controller will automatically
perform all the operations required to achieve and maintain the
selected temperature.
Included in the design is a built-in safety feature which when
operating in closed-loop mode will automatically cut off the
controller output power when any TC fault is detected. In open-
loop operation, the display shows percentage of power as set by
the power control potentiometer (0-100%).
5
The IMP plug-in controller is capable of receiving a standby
command from the SAM auxiliary module. When a standby or low
heat command is acknowledged from the SAM during closed-
loop operation, the controller will operate with a fixed setpoint.
When receiving a standby command during open-loop operation,
the output power of the controller will be reduced to 1/4 of the
front panel power control setting.
The IMP controller also sends alarm status conditions to
the SAM auxiliary module for annunciation and remote
control functions.
Section II. Installation (IMP Series Only)
All IMP Series controllers are ready to use as shipped from the
factory. Prior to installation into a mainframe, make sure the
voltage, Hz and degree options are as ordered and correspond to
the Product ID label.
CAUTION
Never insert or remove a controller from a mainframe
with the AC power on. Hazardous potentials exist on
components inside the mainframe and controller.
Always disconnect AC power to the mainframe when
servicing.
6
To install a plug-in controller into a mainframe, release the
locking device on the lower edge of the unit by pulling the plunger
gently away from the panel. Align the upper and lower edges of
the printed circuit board on the controller with the mainframe
card guide slot and slide in until the rear connector is completely
engaged. Lock the controller into the frame by depressing the
plunger on the locking device.
Section III. Operation
Note: Any flashing display indicates that a fault has been detected
by the controller. Refer to section on
Faults.
A.AutomaticClosed-loopOperation
1-Position Mode select switch to closed-loop (“o”).
2-Set temperature on Setpoint switch.
3-Turn on AC power.
4-After a short reset delay, the measured temperature will
be displayed. If the temperature is 30 degrees F (17°C) or
more below setpoint, the undertemperature alarm
display (lower segment of the leftmost digit) will flash. If
the temperature is 30 degrees F (17°C) or more above
setpoint, the overtemperature alarm display (upper
segment of the leftmost digit) will flash. During alarm
conditions, temperature display will also flash. If the
temperature is within alarm limits, the display will stop
flashing, and the leftmost digit will display closed-loop
mode (“o”).
5-Power to load indicator (the decimal point of the
leftmost digit) will be on if any power is being
applied to the load.
7
6- When any of the thermocouple (TC) faults are detected,
output power will be cut-off automatically and the
temperature display will be blanked out. The leftmost
digit will show “ ” for (TC open), “ ” for (TC reverse)
or “ ”for No Heat and flash twice per second.
B.AutomaticOperation with CompuStep
®system
When starting from cold, it is recommended that the
CompuStep system be used, as this will serve to lengthen
heater life considerably.
1-Position the mode select switch to CompuStep mode
(“ ”).
2- Set the desired temperature on the setpoint switch.
3-Turn on the AC power.
4-After reset delay, the measured temperature will be
displayed. If temperature is less than 200 degrees F
(93°C) the controller will enter the CompuStep mode.
This is indicated by the step symbol “ ” on the leftmost
digit. During this mode, the controller gradually
increases power to load in small steps and limits the
load temperature to 256 degrees F (124°C). After 5
minutes, the controller will exit from CompuStep mode
and automatically go to setpoint. Any thermocouple
faults detected during the 5 minute interval will cause
the CompuStep mode to end prematurely. A standby
command from a SAM module will also terminate
CompuStep mode. When CompuStep ends, the
controller will operate as described in the Automatic
Closed-Loop Operation section. If temperature is above
200 degrees F (93°C), controller will bypass CompuStep
and go directly to setpoint.
8
C. Manual Open-Loop Operation
1-Position the mode select switch to open-loop (“ ”).
2-Turn the AC power on.
3-After reset delay, the controller will display the percent-
age of output power as adjusted by the power control
knob. The percentage power indicator will be on. Thus
0.00 corresponds to 0% (no power) and 1.00
corresponds to 100% (full power). The leftmost digit will
display open-loop mode ( “ ” ). 75% power is shown
as0.75.
D. Manual Control Pre-Set
The following procedure can be used to pre-set the Manual power
control knob position in the event of a thermocouple break in
closed-loop operation.
A good thermocouple is required to start with, as this procedure
compares the temperature attained using automatic (closed-loop)
control with that obtained using manual (open-loop) control.
When the temperature is the same using either automatic or
manual control, then the position of the Manual power control
knob is correct.
9
Procedure for Manual Control Pre-Set
1-Adjust controller for closed-loop operation and obtain
good molded parts. This will adjust the controller to the
propertemperature.
2-Position the module select switch to open-loop and set
the manual control knob to roughly 25%. Wait for 10
seconds, than momentarily switch to closed-loop mode
to examine the temperature. If it is above the setpoint,
the manual power is too high to maintain proper
temperature. If it is below setpoint, the manual power
is too low. Adjust the power control knob accordingly,
wait for 10 seconds, then re-examine the temperature
by switching momentarily to closed-loop mode. Repeat
this procedure until the temperature is the same in
either automatic or manual control.
E.StandbyHeat (SAMmodule only)
Standby heat is a low heat level used to keep heaters and
associated equipment warm. Its purpose is to prevent moisture
build-up in heaters and equipment during idle periods and to
provide fast start-up when returning to normal operations.
When using a Standby Alarm Module (SAM), activate the standby
switch. The SAM will send a standby command to all controllers.
A controller, upon receiving the command, will respond accord-
ingly to its present mode of operation:
a-If the controller is in closed-loop mode, the set-
point becomes 200 degrees F (93°C) regardless of
the setpoint switch setting. The Remote Standby
Indicator (the decimal of the last digit) will be
10
Ce manuel convient aux modèles suivants
5
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