Watlow PM PLUS™ PID & Limit Controller

• Reduces menu structure to a list of lists allowing the
controller to be easily configured
• Offers easy to read characters and color coding making
the display visible from many angles

• Eliminates contamination points on the front of the
controller
• No mechanical components will wear out
• Creates a better seal on front panel
• Easy to clean

• Provides full descriptions of parameters and error codes
• Allows remote access capabilities without the use of cables
or converters
• Provides the ability to configure the product and save
parameter sets

• Reduces wiring time and termination complexity compared
with connecting discrete products
• Decreases required panel space
• Lowers installation costs
• Increases user and equipment safety for over/under
temperature conditions

• Drives 15 ampere resistive loads directly
• Reduces component count
• Decreases cost of ownership
Current monitoring
• Detects heater current flow and provides alarm indication
of a failed output device or heater load
• Drives output on open or shorted heater

• Provides a wide range of protocol choices including
Modbus® RTU, EtherNet/IP™, Modbus® TCP, PROFIBUS DP,
DeviceNet™ and J1939 CAN bus
• Supports network connectivity to a PC or PLC
Enhanced control options
• Easily handles complex process problems such as ratio,
differential, square-root, motorized valve control without
slidewire feedback, wet-bulb/dry-bulb, compressor control
and peltier loads

• Provides batch process control
• Supports set point change during countdown
10-point linearization curve
• Improves sensor accuracy

• Expedites controller setup with intuitive navigation
• Simplifies setting parameters with plain text names
and descriptions
• Connects quickly and easily via Bluetooth® wireless
communications

• Includes Watlow standard bus communications used by
COMPOSER® or EZ-ZONE configurator software
Advanced PID control algorithm
• Offers TRU-TUNE®+ adaptive control to provide tighter
control for demanding applications
• Provides auto-tune for fast, efficient start-up

• Saves cost of buying compensated sensors
• Includes Vaisala RH and altitude (pressure) curves
Remote set point operation
• Supports convenient set point manipulation from a remote
device such as a master control or PLC

• Offers pre-programmed process control
• Allows ramp/soak programming with 40 total steps

• Supports industry needs for recording
Factory Mutual (FM) approved over/under limit with
auxiliary outputs
• Increases user and equipment safety for over/under
temperature conditions

• Decreases service calls and time down

• Assures prompt product acceptance
• Reduces end product documentation costs

• Increases safety for installer/operator
• Complies with IP2X requirements

• Enables simple, one-touch operation of user-defined,
repetitive activities

• Reduces setup time and increases operator efficiency

• Provides product support and reliability