Description

The Watlow ANAFAZE CLS216 is an advanced multi-loop temperature and process controller designed for precision thermal management in industrial automation. As part of Watlow’s ANAFAZE® Compact Loop Station series, this standalone unit integrates dual control loops with high-resolution I/O, enabling simultaneous management of complex heating/cooling processes. The CLS216 features a 1/16 DIN form factor and combines PID control, data logging, and communication capabilities in a ruggedized package. Its 4.3-inch color touchscreen simplifies configuration and real-time monitoring, while supporting thermocouple, RTD, analog, and digital inputs for versatile sensor integration.

Engineered for reliability in harsh environments, the Watlow ANAFAZE CLS216 executes adaptive PID algorithms with autotuning to maintain ±0.1°C stability in critical applications like semiconductor manufacturing or chemical reactors. It supports cascade control, ramping/soaking profiles, and alarm escalation logic via its embedded scripting engine. With dual Ethernet ports (Modbus TCP/IP) and USB host functionality, the CLS216 seamlessly integrates into SCADA systems or Watlow’s EZ-ZONE® PM thermal platforms. This controller delivers unmatched flexibility for OEMs and end-users requiring compact yet powerful thermal regulation in space-constrained installations.

WATLOW ANAFAZE CLS216

Technical Specifications

Parameter Name	Parameter Value
Product Model	ANAFAZE CLS216
Manufacturer	Watlow
Product Type	Multi-Loop Process Controller
Control Loops	2 Independent Loops
Input Types	J/K/T/E/S/R/T/C RTDs, mA/V, Digital
Output Types	4x SSR (10A), 2x Analog (0-10V/4-20mA)
Display	4.3″ Color Touchscreen (480 x 272 px)
Communication	Dual Ethernet (Modbus TCP/IP), USB 2.0
Sampling Rate	100 ms per Loop
Accuracy	±0.1% FS or ±0.1°C
Operating Temp	-10°C to 55°C
Enclosure Rating	IP65 (Front Panel)
Power Supply	24 VDC ±10%
Memory	2 GB Data Logging

Main Features and Advantages

Precision thermal regulation defines the Watlow ANAFAZE CLS216, featuring Adaptive PID with fuzzy logic autotuning that dynamically adjusts to process disturbances like load changes or ambient shifts. Its dual-loop architecture allows master/slave configurations for cascade control – critical for multi-zone furnaces or injection molding. The high-speed 100 ms sampling captures transient events, while 16 programmable alarms with relay actions mitigate process deviations.

Connectivity excels through dual Ethernet ports enabling daisy-chained networks without switches, reducing installation costs. The controller’s built-in web server provides remote access for configuration or data extraction, and USB ports support recipe uploads/backups. Security features include password-protected access tiers and audit trails compliant with FDA 21 CFR Part 11 for regulated industries.

Durability is engineered for harshness: IP65-rated front panel resists washdowns and particulates, while wide-temperature operation ensures stability in ovens or freeze-dryers. The CLS216 simplifies integration with pre-configured function blocks (timers, math ops, PLC-like logic) and supports Watlow’s EZ-ZONE® software for centralized fleet management.

Application Field

The Watlow ANAFAZE CLS216 dominates precision thermal applications across high-tech industries. In semiconductor manufacturing, it controls wafer etching baths and CVD chambers with sub-degree stability, leveraging its cascade functionality for multi-zone reactor tubes. Food processing lines deploy it for retort sterilization (140°C±0.5°C) and extrusion cooking, utilizing ramp/soak profiles for recipe automation.

Plastics OEMs integrate the CLS216 into injection molding machines for simultaneous nozzle and mold temperature management, while its Modbus TCP/IP interface feeds data to MES systems for quality traceability. Laboratory equipment manufacturers rely on its dual-loop design for freeze-dryers – one loop controlling shelf temperature, the other monitoring vacuum pressure. In energy storage, it governs lithium-ion battery formation ovens, with data logging capturing critical cure cycle metrics. The CLS216 also enables thermal validation in pharmaceutical cleanrooms via FDA-compliant audit trails.

WATLOW ANAFAZE CLS216

Related Products

ANAFAZE CLS208: Single-loop variant with 8 digital inputs for basic applications.

ANAFAZE CLS232: Expanded I/O model with 3 control loops and 32 digital points.

EZ-ZONE® PM Series: Rack-mounted controllers for integration with CLS216.

SERIES SD: Watlow power controllers compatible with CLS216 SSR outputs.

F4T® Touch Panel: HMI for visualizing CLS216 processes.

PM12D0A0A000: 24VDC power supply for CLS chassis.

STC 3A0: Watlow thermocouple for high-temp processes.

ANAFLEX® CM3: Flexible I/O modules expandable via CLS backplane.

Installation and Maintenance

Pre-installation preparation: Verify DIN rail (TS35) or panel cutout (92x92mm) compatibility. Ensure power supply (24VDC±10%) provides minimum 50W capacity. Disconnect mains before wiring. Use shielded cables for analog signals with grounding at one end to prevent noise. Configure IP addresses via touchscreen before network integration.

Maintenance recommendations: Calibrate inputs annually using traceable standards. Monitor heat dissipation – maintain 25mm clearance above/below the CLS216. Update firmware via USB during planned downtime; backup configurations to USB monthly. Clean touchscreen with isopropyl alcohol (no abrasives). Check terminal block torque (0.6 N·m) biannually to prevent connection drift. Replace cooling fans every 3 years in high-dust environments.