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MAQ20 ReDAQ Shape Software

PID Loop Control in ReDAQ® Shape and Configuration Software for MAQ®20

The powerful Dataforth MAQ20 communications module is capable of autonomously running up to 32 PID control loops; faceplates within ReDAQ Shape software enable an engineer or operator to configure the many features of loop control and monitor processes.

With proportional and derivative modes that can act on error or a process variable, the controller can eliminate process bumps from set point changes. Gap control provides improved loop stability near the set point while retaining high response speed. The ability to change tuning settings without disturbing the process when the controller is in automatic mode and the option to track the set points of process variables during manual operation are both key features that enable smooth operation in both manual and automatic modes.

To ensure sensitive equipment is well protected, the controller's output range can be limited. The anti-reset windup feature both minimizes overshoot and improves stability after output saturation conditions.

The integrated auto tuner simplifies the complex task of control loop tuning with separate methods for integrating and self-regulating loops.

Typical PID Applications
- Steam, water, and chemical flow control
- Tank level control
- Heat-exchanger / reactor temperature control
- Pressure control

There is no limit to the types of processes that can be controlled with the Dataforth PID controller, and its features are paralleled only by state-of-the-art distributed control systems.

Model Description
MAQ20-940 ReDAQ Shape Software for MAQ20
Developer Version
MAQ20-941 ReDAQ Shape Software for MAQ20
User Version
MAQ20-945 MAQ20 Configuration Software Tool

MAQ20 ReDAQ Shape Software image
PID Faceplate in ReDAQ Shape Software

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  • Separate Panels for Setting Basic, Advanced, and Alarm Items
  • Noninteracting and Parallel PID Control Algorithms
  • Up to 32 Loops of PID Control
  • Controller Runs in Real Time
  • Controller Accessed through Faceplates
  • Proportional and Derivative Modes can Act on Error or Process Variable
  • Gap Control
  • Built-in Process Variable Filtering
  • Bumpless Manual to Automatic Control Mode Transfer
  • Change Tuning Settings Easily in Automatic Mode
  • Optional Process Variable Set Point Tracking in Manual Mode
  • Limit Controller Output Range
  • Anti-reset Windup
  • Four Process Alarms
  • Full-featured Faceplate for Numeric and Visual Feedback
  • Integrated Auto Tuner