Overview
The Watlow 965A-3CD0-00DP is a discontinued Series 965 temperature/process controller built on microprocessor technology for reliable industrial temperature regulation. This compact 1/16 DIN unit delivers switched DC output and electromechanical relay output capabilities, making it well-suited for precision temperature control in manufacturing, heat-treat, and process automation environments. The auto-tuning microprocessor eliminates manual calibration and accelerates commissioning on replacement installations.
Key Features
- Microprocessor-based auto-tuning control—automatically optimizes control parameters for your process
- Dual output configuration: switched DC output and electromechanical relay output for flexible load control
- Compact 1/16 DIN form factor simplifies mounting in existing control enclosures
- Universal input voltage: 100-240 VAC, 50/60 Hz operation—no external power conditioning needed
- Analog indication and digital display for real-time temperature monitoring
- Proven legacy design with long field history in industrial automation systems
Technical Specifications
- Part Number: 965A-3CD0-00DP
- Series: Watlow Series 965
- Type: Microprocessor-based Temperature/Process Controller
- Form Factor: 1/16 DIN
- Input Voltage: 100-240 VAC, 50/60 Hz
- Output Configuration: Switched DC Output 1, Electromechanical Relay Output 2
- Control Method: Auto-tuning microprocessor
- Display: Analog indication with digital display
- Weight: 0.40 lbs
- Status: Discontinued by manufacturer
Typical Applications
The Watlow 965A-3CD0-00DP serves industrial and OEM automation systems where precise, responsive temperature control is essential. Common applications include:
- Plastic extrusion and injection molding temperature control
- Heat-treat ovens and furnace regulation
- Laboratory and analytical instrument heating
- Industrial machinery thermal management
- Process heating loops in manufacturing facilities
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix and ControlLogix PLC systems (via external analog/relay interfaces)
- Siemens S7-1200 and S7-1500 PLCs (via relay/analog adapter modules)
- Mitsubishi FX and Q series controllers
- Standard 24 VDC control systems
- Existing 1/16 DIN panel enclosures and mounting rails
Replaces / Drop-In Replacement For
The Watlow 965A-3CD0-00DP directly replaces other Series 965 models with identical electrical specifications, including 965A-3CD0-0000 and similar 1/16 DIN configurations. Verify model-specific wiring and output configurations before installation.
Works With
- Thermocouple and RTD temperature sensors (verify input card compatibility)
- Electromechanical relay loads up to 5 A at 240 VAC
- Switched DC loads compatible with solid-state relay modules
- Standard industrial control software and SCADA platforms (via analog/relay signal mapping)
- PLC ladder logic and function block programming environments
