Title: WATLOW 935A-1CD0-000G 1/4 DIN PID Temperature Controller - Universal Input, Dual Output for Precision Process Control

Product Overview:
The WATLOW 935A-1CD0-000G is a highly versatile and robust 1/4 DIN PID temperature controller engineered for precise thermal management in a wide range of industrial and commercial applications. Designed for optimal performance and reliability, this advanced process controller features a universal input that accepts various thermocouple, RTD, and linear process signals, providing exceptional flexibility. With its dual output configuration – a primary SSR drive output for main control and a secondary relay output for auxiliary functions or alarms – the 935A-1CD0-000G delivers comprehensive control capabilities. Its intuitive interface, auto-tune functionality, and durable construction make it an ideal solution for critical temperature regulation, ensuring stable and accurate process conditions. This Watlow controller is built to withstand demanding environments, offering consistent and dependable operation for enhanced productivity and efficiency in your automation systems.

Key Features & Benefits:

Universal Input Capability: Accepts a wide array of sensor types including J, K, T, E, N, R, S, B, C, D thermocouples, 2-wire and 3-wire RTDs, and linear process inputs (0-20mA, 4-20mA, 0-5VDC, 1-5VDC, 0-10VDC), providing maximum application flexibility.
Dual Output Configuration: Features a primary solid-state relay (SSR) drive output for precise main control and a secondary single-pole, double-throw (SPDT) relay output for alarm functions, auxiliary heating/cooling, or secondary control loops.
Advanced PID Control Algorithm: Utilizes Watlow's proprietary PID control for superior accuracy, stability, and fast response, minimizing overshoot and undershoot for optimal process performance.
Auto-Tune Functionality: Simplifies setup and ensures optimal control by automatically calculating and setting the best PID parameters for your specific process.
Dual 4-Digit LED Display: Provides clear, simultaneous viewing of process variable (PV) and setpoint (SP) values, enhancing operational visibility.
Multiple Alarm Types: Configurable high, low, deviation, and band alarms with latching or non-latching options to alert operators to process excursions.
NEMA 4X (IP65) Front Panel: Offers excellent protection against dust and water ingress, making it suitable for use in harsh industrial environments.
Compact 1/4 DIN Size: Standard panel mount dimensions (96x96mm) allow for easy integration into existing control panels, saving valuable space.
User-Friendly Interface: Intuitive menu navigation and easy-to-understand parameters simplify configuration and operation, reducing setup time.
Robust Industrial Design: Engineered for durability and long-term reliability in demanding manufacturing and processing applications.

Applications:

Industrial Ovens, Furnaces, and Kilns
Plastics Processing Machinery (Extrusion, Injection Molding, Thermoforming)
Packaging Equipment and Sealing Machines
Food and Beverage Processing and Sterilization
Environmental Chambers and Test Equipment
Semiconductor Manufacturing Processes
Laboratory and Scientific Instruments
Heat Treating and Annealing Systems
HVAC and Refrigeration Systems
General Process Control and Automation

Technical Specifications:

Part Number: WATLOW 935A-1CD0-000G
Alternative Part Number: WATLOW 935A1CD0000G
Input Type: Universal (Thermocouple: J, K, T, E, N, R, S, B, C, D; RTD: 100 Ohm Pt, 2-wire/3-wire; Process: 0-20mA, 4-20mA, 0-5VDC, 1-5VDC, 0-10VDC)
Output 1: SSR Drive (10VDC @ 20mA max)
Output 2: Relay (SPDT, 2A @ 240VAC resistive)
Control Modes: PID, On/Off
Display: Dual 4-digit LED (Process Value and Setpoint)
Accuracy: +/- 0.1% of span
Sampling Rate: 10 samples per second
Power Supply: 100-240VAC, 50/60Hz
Operating Temperature: 0 to 65°C (32 to 149°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Front Panel Rating: NEMA 4X (IP65)
Mounting: Panel Mount, 1/4 DIN
Dimensions: 96mm x 96mm x 100mm (3.78" x 3.78" x 3.94")
Weight: Approximately 0.45 kg (1.0 lbs)
Agency Approvals: UL, CUL, CE