Process controlling and protection

Early detection protects your process.

In order to avoid costly process interruptions and system downtimes, process control devices serve as early warning systems. They detect flow problems, blockages, screening disturbances, speed changes and filter cracks. Due to their robust construction, these devices are insensitive to dust, dirt, deposits and moisture.

Intelligent process monitoring

Process monitoring is a prerequisite for safe, high-availability processes. Siemens offers the necessary equipment for highly reliable process control. Process monitoring enables early recognition of flow problems, blockages, screen and filter faults, or cavitation in pumps. This avoids unplanned, costly process interruptions and plant downtimes.

SIPART DR Process Controllers

The proven, flexible and high-performance family for controlling process engineering technology.

A suitable controller is available for every area of application - from fixed setpoint control all the way to complex control tasks.

In addition to its ease of use, the SIPART-DR controller is characterized by its reliability. Functional extensions can be realized quickly and easily with plug-in option modules.

SIREC D - Process recorder

Comprehensive spectrum for all requirements

SIREC D process recorders are used in many sectors. The spectrum includes all important industries and sectors, including environmental protection. For the continuous monitoring of process quantities, plant maintenance and process optimization or troubleshooting, the broad product range can handle any task. These devices provide convincing results with varying quantities along the entire production line.

Process monitoring: Acoustic sensors

Pump and material flow monitoring

• With the SITRANS DA acoustic sensors for pump monitoring, leakages on the conveying valves of oscillating positive displacement pumps can be detected by acoustic emissions.
• The SITRANS AS 100 is an acoustic sensor for material flow monitoring.
• The SITRANS AS 100 can be coupled with a SITRANS CU02 that processes signals from the sensor. SITRANS CU02 offers relay and analog outputs for connection to the process or can be connected directly to the analog input of a PLC.

Process monitoring: Motion sensors

All motion sensing probes can be installed at a distance of up to 100 mm (4 inches) from the metallic object. This reduces the risk of damage to the probe and system. The probes are insensitive to moisture or dust formation.

• MFA 4p is mainly used for motion monitoring in rotary, piston or conveyor systems.
• MSP‑7 is a heavy-duty three-wire motion probe with an open collector output NPN to a PLC.
• SITRANS WM100 is a heavy-duty motion/zero speed switch. The contact-free device offers cost-effective process monitoring, even under the toughest conditions.
• SITRANS WM300 MFA is mainly used for motion monitoring in rotary, piston or conveyor systems. As soon as a speed reduction or malfunction occurs, the user is notified to stop the system. Thanks to its reliability, the device is a cost-effective solution for protecting expensive process equipment.