Watlow EZ-ZONE
®
PM Integrated Controller
•
5
•
Chapter 1 Overview
Heat-Cool Operation
•
Provides application flexibility with accurate temperature and process control
Optional Features and Benefits
High-amperage Power Control Output
•
Drives 15 amp resistive loads directly
•
Reduces component count
•
Saves panel space and simplifies wiring
•
Reduces the cost of ownership
Integrated PID and Limit Controller
•
Reduces wiring time and termination complexity compared to connecting discrete products
•
Decreases required panel space
•
Lowers installation costs
•
Increases user ad equipment safety for over/under temperature conditions
Current Monitoring
•
Detects heater current flow and provides alarm indication of a failed output device or heater load
Serial Communications Capabilities
•
Provides a wide range of protocol choices including Modbus
®
RTU, EtherNet/IP
TM
, PCCC (Programmable
Controller Communications Commands),
DeviceNet
TM
, Modbus
®
TCP, and Profibus DP
•
Supports network connectivity to a PC or PLC
Dual Channel Controller
•
For selected models provides two PID controllers in one space saving package
Enhanced Control Capabilities
•
Easily handle complex process problems such as cascade, ratio, differential, square-root, motorized valve
control without slidewire feedback, wet-bulb/dry-bulb and compressor control
Full-featured Alarms
•
Improves operator recognition of system faults
•
Control of auxiliary devices
Ten Point Linearization Curve
•
Improves sensor accuracy
Remote Set Point Operation
•
Supports efficient set point manipulation via a master control or PLC
Retransmit Output
•
Supports industry needs for product process recording
Profile Capability
•
Preprogrammed process control
•
Ramp and soak programming with four files and 40 total steps