During Start-Up
the SMART self-tuning function
calculates the control parameters to
optimize the rise to setpoint.
During Process
SMART updates the control
parameters as needed to respond to
setpoint changes or a load change.
Measure
Set Point
Start Up Time
Process
Telephone: 615-793-3900 • FAX: 615-793-3563
Model 1604
1/16 DIN
Temperature
Controller
Description
The fully field configurable
Chromalox
®
model 1604 1/16 DIN
controller combines advanced
hardware design and sophisticated
electronic control technology into a
compact, reliable 1/16 DIN package.
Easy to Install and Operate
The 1604 plug-in design requires only
panel cutout, instrument mounting,
setpoint and alarm setpoint adjust-
ment to set up.
SMART Self-Tuning
The model 1604 meets the application
needs of operators with or without
skills in temperature processes and
PID control. Simply enable the
SMART function and the controller
self-adjusts automatically and rapidly
to all process changes - load
changes, setpoint changes and more.
Sophisticated control features include:
• Start-up and continuous in-process
tuning
• Continuous self-tuning without
artificial upset
• Proprietary control algorithm using
fuzzy logic/artificial intelligence
concepts
• Proven maximum suppression of
overshoot
Special Control Features
• Heat/Cool Control Features
Selection of Cooling Medium
and Overlap
• Heater Breakdown (HB)
Alarm / Current Transformer Input
• Auto/Manual Control
•
ChromaSoft
®
Remote Operator
Interface Software Compatibility
• Soft Start - Timed Output Power
Limit on Start-Up
• Control Output “Turn Off” via
Pushbuttons
• Programmable Ramp on Setpoint
Changes
Applications
• Packaging and packing equipment
• Extrusion lines, coextrusion lines,
plastic films and injection presses
• Fermentation equipment, reactors
for chemical and pharmaceutical
industries
• Food industries
• Environmental chambers and
refrigeration
Chromalox
®
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