3
FEATURES
• Fuzzy Logic Control
• PID Autotune with manual over-
ride - heating or cooling
• Programmable control action -
reverse or direct
• Programmable cycle time
• Programmable inputs - Thermo-
couple/RTD, or Current/ Voltage
• Sensor burn-out protection
• Zero/span calibration
• Outputs: Relay, Solid-state relay
drive, or 4-20mA DC (4-20mA
not available on CN4321)
• Secondary output for
cooling (optional)
• High/low alarm
outputs (optional)
• Menu-driven format
• Setting – touch keys on front
panel
• Programmable 8-segment
ramp/soak function
• Digital filtering (to suppress
factory noise)
• Adjustable setpoint range
• Selectable
°
F/
°
C
• Offset adjustments
• Programmable decimal point
• Programmable lock-up feature
• Advanced security options to
prevent unauthorized parame-
ter changes
• 4-digit, LED indication
• Output status indication
• Fault indication
• Non-volatile memory
• 1/32 or 1/16 DIN panel mount
package with plastic bracket
• NEMA 4X faceplate
• ABS plastic housing
• Termination– terminal block
(CN4321) or socket with screw-
down terminals (CN4431)
• 85 to 264V AC free voltage
power supply
• 24V AC/DC optional power
supply (on CN4431 only)
• UL and C-UL recognized
• CE approved
Summary of Contents for CN4321
Page 33: ...32 SYSTEM WIRING DIAGRAMS Example 1 Example 2...
Page 45: ...44 Deadband Overlap...
Page 48: ...47 Table of Input Type Codes...
Page 50: ...49...
Page 53: ...52 Table of Alarm Action Type Codes CN4321...
Page 54: ...53 Table of Alarm Action Type Codes CN4431...
Page 59: ...58 Table of Output Type Codes...