WATLOW EZ-ZONE® RM


The EZ-ZONE® RM controller simplifies thermal system management. The EZ-ZONE RM integrated controller family is comprised of six module types.

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Product Description

Product Description

An integrated on-off or PID control, monitoring and over/under temperature limit controller module, a high-density on-off or PID control module, a high-density limit-only module, an input/output (I/O) expansion module, a high-density monitor/scanner module and a data logging and field communications access module. A system is configured by connecting any combination of module types to address specific application needs. The EZ-ZONE RM is extremely flexible and scalable allowing mixing and matching of I/O to configure 1 to 152 control loops and up to 256 monitor points.

Specification Highlight

Specification Highlight

Description: Multi-loop controller with data logging ability
Control / Limit Loop: 152 / 192
Max Monitor Channels: 256
Alarms: Up to 24 per module
Mounting: DIN-rail
Profiling: Yes
Max Output: 15A
Phase Configuration: 1
Ambient Operating Range: -18 to 65°C (0 to 149°F)
Agency Approvals: UL® , CSA, CE, RoHS, W.E.E.E. FM (limit feature), SEMI F47-0200, Class 1, Div. 2 on select models
Communication Protocols: Standard Bus, EtherNet/IP™, DeviceNet™, PROFIBUS DP, Modbus® TCP, Modbus® RTU
Adaptive Tuning TRU-TUNE+: Yes
Remote Limit Reset: Yes, if digital inputs are ordered
Display Height: Optional RUI: 0.84in. (21mm)
Dimensions: 2.03 in. H (51.56 mm) x 4.41 in. W (44.45 mm) x 5.8 in D (148 mm)
Warranty (years): 3
Features & Benefits

Features & Benefits

Features Benefits
Multiple inputs; from 1 to 152 PID loops of control or monitor up to 256 analog inputs
  • Mix and match I/O to fit any application; from 1 input with 2 outputs to 152 analog inputs with 152 outputs, or monitor up to as many as 256 analog inputs all in one system
  • Reduce cost because only required loops are purchased
  • Allows a common controller platform across many design applications as both loops and outputs can be ordered in single increments
  • Offers TRU-TUNE®+ adaptive control to provide tighter control for demanding applications
  • Enables auto-tune for fast, efficient start-up
  • Communication capabilities
  • Provides a range of protocol options including universal serial bus (USB) device port, Modbus® RTU, EtherNet/IP™, Modbus® TCP, DeviceNet™ and PROFIBUS DP
  • USB Port
  • Provides data log retrieval
  • SPLIT-RAIL control
  • Enables modules mounted in separate high-voltage and low-voltage cabinets to function as an integrated system
  • Minimizes the length and cost of wire runs and improves system reliability by locating inputs closer to sensors and outputs closer to load
  • AUTO CLONE
  • Reduces time and configuration complexity by automatically building a new module with the same parameter settings as the replaced module
  • SENSOR GUARD
  • Prevents unplanned process shutdowns and product loss by switching to a backup sensor if the primary sensor fails
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