Temperature Control System
Integrate with PLC Controller
Download Extrusion System
Modbus, DeviceNet, Profibus, Modbus TCP, Ethernet IP
Until now, machine builders requiring implementation of both digital control logic and PID temperature control loops had to face a problem having only imperfect solutions. PLC process control allows use of a single Human Machine Interface, but performance of the PID loop is usually marginal, not to mention what it does to overall PLC performance.
The simple fact is that the PLC manufacturers have not provided adequate process control solutions with configurable universal inputs, fast scan times, autotune, input/output isolation, and fuzzy logic. These are functions that process control engineers take for granted.
The MLC9000, temperature control system ends the compromise with a flexible system solution incorporating DIN rail mounted modules. It provides the same level of performance as panel mount controllers and seamlessly integrates with PLC (or PC based) logic control.
In a typical configuration, information such as setpoint, process value, alarm value, etc. is transmitted between a PLC and the MLC9000 via an open industrial bus such as Modbus, DeviceNet, Profibus, CAN, Modbus/TCP, Ethernet/IP..
These values are stored as registers within the PLC, easily accessible to your existing HMI. Partlow offers prewritten communication routines for a variety of PLC platforms, which further simplify system startup.
While a PID block implemented in your PLC may be adequate for some applications, it simply can't match the performance of a dedicated temperature controller. MLC9000 offers state of the art functions such as:
Additionally, by removing the burdensome PID function block from your PLC, you can greatly improve the PLC's scan times and possibly downsize to a smaller, less expensive processor.
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